7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#ifdef HAVE_CONFIG_H

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh# include "config.h"

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#ifndef PANGO_ENABLE_BACKEND

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#define PANGO_ENABLE_BACKEND

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#ifndef PANGO_ENABLE_ENGINE

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#define PANGO_ENABLE_ENGINE

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include <signal.h>

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include <errno.h>

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include <2geom/pathvector.h>

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include <glib.h>

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include <glibmm/i18n.h>

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include "display/drawing.h"

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include "display/curve.h"

fba63a357654d8b3e84c60007e40aa698cd45d19miklosh#include "display/canvas-bpath.h"

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include "display/cairo-utils.h"

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include "sp-item.h"

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include "sp-item-group.h"

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include "style.h"

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include "sp-linear-gradient.h"

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include "sp-radial-gradient.h"

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include "sp-pattern.h"

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include "sp-mask.h"

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include "sp-clippath.h"

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include "util/units.h"

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#ifdef WIN32

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include "libnrtype/FontFactory.h" // USE_PANGO_WIN32

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include "cairo-render-context.h"

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include "cairo-renderer.h"

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include "extension/system.h"

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include "io/sys.h"

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include "svg/stringstream.h"

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include <cairo.h>

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#ifdef CAIRO_HAS_PDF_SURFACE

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include <cairo-pdf.h>

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#endif

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#ifdef CAIRO_HAS_PS_SURFACE

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include <cairo-ps.h>

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#endif

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#ifdef CAIRO_HAS_FT_FONT

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include <cairo-ft.h>

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#endif

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#ifdef CAIRO_HAS_WIN32_FONT

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include <cairo-win32.h>

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#include <pango/pangowin32.h>

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#include <pango/pangofc-fontmap.h>

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#define TRACE(_args)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#define TEST(_args)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshnamespace Inkscape {

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshnamespace Extension {

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshnamespace Internal {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshstatic cairo_status_t _write_callback(void *closure, const unsigned char *data, unsigned int length);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::CairoRenderContext(CairoRenderer *parent) :

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _dpi(72),

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _pdf_level(1),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _ps_level(1),

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _eps(false),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _is_texttopath(FALSE),

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _is_omittext(FALSE),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _is_filtertobitmap(FALSE),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _bitmapresolution(72),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _stream(NULL),

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _is_valid(FALSE),

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _vector_based_target(FALSE),

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _cr(NULL), // Cairo context

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _surface(NULL),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _target(CAIRO_SURFACE_TYPE_IMAGE),

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _target_format(CAIRO_FORMAT_ARGB32),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _layout(NULL),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _state(NULL),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _renderer(parent),

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _render_mode(RENDER_MODE_NORMAL),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _clip_mode(CLIP_MODE_MASK),

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _omittext_state(EMPTY)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh font_table = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, font_data_free);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

fba63a357654d8b3e84c60007e40aa698cd45d19miklosh

fba63a357654d8b3e84c60007e40aa698cd45d19mikloshCairoRenderContext::~CairoRenderContext(void)

fba63a357654d8b3e84c60007e40aa698cd45d19miklosh{

fba63a357654d8b3e84c60007e40aa698cd45d19miklosh if(font_table != NULL) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_hash_table_remove_all(font_table);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (_cr) cairo_destroy(_cr);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (_surface) cairo_surface_destroy(_surface);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (_layout) g_object_unref(_layout);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshvoid CairoRenderContext::font_data_free(gpointer data)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_font_face_t *font_face = (cairo_font_face_t *)data;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (font_face) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_font_face_destroy(font_face);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderer* CairoRenderContext::getRenderer(void) const

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return _renderer;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderState* CairoRenderContext::getCurrentState(void) const

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return _state;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderState* CairoRenderContext::getParentState(void) const

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh // if this is the root node just return it

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (g_slist_length(_state_stack) == 1) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return _state;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return static_cast<CairoRenderState *>(g_slist_nth_data(_state_stack, 1));

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshvoid CairoRenderContext::setStateForStyle(SPStyle const *style)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh // only opacity & overflow is stored for now

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _state->opacity = SP_SCALE24_TO_FLOAT(style->opacity.value);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _state->has_overflow = (style->overflow.set && style->overflow.value != SP_CSS_OVERFLOW_VISIBLE);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _state->has_filtereffect = (style->filter.set != 0) ? TRUE : FALSE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (style->fill.isPaintserver() || style->stroke.isPaintserver())

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _state->merge_opacity = FALSE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh // disable rendering of opacity if there's a stroke on the fill

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (_state->merge_opacity

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh && !style->fill.isNone()

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh && !style->stroke.isNone())

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _state->merge_opacity = FALSE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext*

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext::cloneMe(double width, double height) const

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh g_assert( _is_valid );

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh g_assert( width > 0.0 && height > 0.0 );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh CairoRenderContext *new_context = _renderer->createContext();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_surface_t *surface = cairo_surface_create_similar(cairo_get_target(_cr), CAIRO_CONTENT_COLOR_ALPHA,

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh (int)ceil(width), (int)ceil(height));

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh new_context->_cr = cairo_create(surface);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh new_context->_surface = surface;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh new_context->_width = width;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh new_context->_height = height;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh new_context->_is_valid = TRUE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return new_context;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext* CairoRenderContext::cloneMe(void) const

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh g_assert( _is_valid );

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return cloneMe(_width, _height);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshbool CairoRenderContext::setImageTarget(cairo_format_t format)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh // format cannot be set on an already initialized surface

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (_is_valid)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return false;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh switch (format) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh case CAIRO_FORMAT_ARGB32:

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh case CAIRO_FORMAT_RGB24:

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh case CAIRO_FORMAT_A8:

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh case CAIRO_FORMAT_A1:

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _target_format = format;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _target = CAIRO_SURFACE_TYPE_IMAGE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return true;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh break;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh default:

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh break;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return false;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshbool CairoRenderContext::setPdfTarget(gchar const *utf8_fn)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#ifndef CAIRO_HAS_PDF_SURFACE

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return false;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#else

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _target = CAIRO_SURFACE_TYPE_PDF;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _vector_based_target = TRUE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh FILE *osf = NULL;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh FILE *osp = NULL;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh gsize bytesRead = 0;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh gsize bytesWritten = 0;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh GError *error = NULL;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh gchar *local_fn = g_filename_from_utf8(utf8_fn,

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh -1, &bytesRead, &bytesWritten, &error);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh gchar const *fn = local_fn;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh /* TODO: Replace the below fprintf's with something that does the right thing whether in

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (fn != NULL) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (*fn == '|') {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh fn += 1;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh while (isspace(*fn)) fn += 1;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#ifndef WIN32

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh osp = popen(fn, "w");

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#else

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh osp = _popen(fn, "w");

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (!osp) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh fprintf(stderr, "inkscape: popen(%s): %s\n",

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh fn, strerror(errno));

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return false;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _stream = osp;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh } else if (*fn == '>') {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh fn += 1;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh while (isspace(*fn)) fn += 1;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh Inkscape::IO::dump_fopen_call(fn, "K");

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh osf = Inkscape::IO::fopen_utf8name(fn, "w+");

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (!osf) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh fprintf(stderr, "inkscape: fopen(%s): %s\n",

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh fn, strerror(errno));

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return false;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _stream = osf;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh /* put cwd stuff in here */

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh gchar *qn = ( *fn

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh ? g_strdup_printf("lpr -P %s", fn) /* FIXME: quote fn */

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh : g_strdup("lpr") );

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#ifndef WIN32

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh osp = popen(qn, "w");

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#else

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh osp = _popen(qn, "w");

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (!osp) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh fprintf(stderr, "inkscape: popen(%s): %s\n",

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh qn, strerror(errno));

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return false;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh g_free(qn);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _stream = osp;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh g_free(local_fn);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (_stream) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh /* fixme: this is kinda icky */

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#if !defined(_WIN32) && !defined(__WIN32__)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh (void) signal(SIGPIPE, SIG_IGN);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return true;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshbool CairoRenderContext::setPsTarget(gchar const *utf8_fn)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#ifndef CAIRO_HAS_PS_SURFACE

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return false;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#else

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _target = CAIRO_SURFACE_TYPE_PS;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _vector_based_target = TRUE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh FILE *osf = NULL;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh FILE *osp = NULL;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh gsize bytesRead = 0;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh gsize bytesWritten = 0;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh GError *error = NULL;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh gchar *local_fn = g_filename_from_utf8(utf8_fn,

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh -1, &bytesRead, &bytesWritten, &error);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh gchar const *fn = local_fn;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh /* TODO: Replace the below fprintf's with something that does the right thing whether in

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (fn != NULL) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (*fn == '|') {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh fn += 1;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh while (isspace(*fn)) fn += 1;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#ifndef WIN32

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh osp = popen(fn, "w");

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#else

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh osp = _popen(fn, "w");

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#endif

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (!osp) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh fprintf(stderr, "inkscape: popen(%s): %s\n",

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh fn, strerror(errno));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return false;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _stream = osp;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh } else if (*fn == '>') {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh fn += 1;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh while (isspace(*fn)) fn += 1;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh Inkscape::IO::dump_fopen_call(fn, "K");

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh osf = Inkscape::IO::fopen_utf8name(fn, "w+");

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (!osf) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh fprintf(stderr, "inkscape: fopen(%s): %s\n",

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh fn, strerror(errno));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return false;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _stream = osf;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh } else {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh /* put cwd stuff in here */

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh gchar *qn = ( *fn

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh ? g_strdup_printf("lpr -P %s", fn) /* FIXME: quote fn */

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh : g_strdup("lpr") );

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#ifndef WIN32

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh osp = popen(qn, "w");

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#else

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh osp = _popen(qn, "w");

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (!osp) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh fprintf(stderr, "inkscape: popen(%s): %s\n",

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh qn, strerror(errno));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return false;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_free(qn);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _stream = osp;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh g_free(local_fn);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (_stream) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh /* fixme: this is kinda icky */

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#if !defined(_WIN32) && !defined(__WIN32__)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh (void) signal(SIGPIPE, SIG_IGN);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh#endif

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return true;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshvoid CairoRenderContext::setPSLevel(unsigned int level)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _ps_level = level;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshvoid CairoRenderContext::setEPS(bool eps)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _eps = eps;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshunsigned int CairoRenderContext::getPSLevel(void)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return _ps_level;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshvoid CairoRenderContext::setPDFLevel(unsigned int level)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _pdf_level = level;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshvoid CairoRenderContext::setTextToPath(bool texttopath)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _is_texttopath = texttopath;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshvoid CairoRenderContext::setOmitText(bool omittext)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _is_omittext = omittext;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshbool CairoRenderContext::getOmitText(void)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return _is_omittext;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshvoid CairoRenderContext::setFilterToBitmap(bool filtertobitmap)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _is_filtertobitmap = filtertobitmap;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshbool CairoRenderContext::getFilterToBitmap(void)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return _is_filtertobitmap;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshvoid CairoRenderContext::setBitmapResolution(int resolution)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _bitmapresolution = resolution;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshint CairoRenderContext::getBitmapResolution(void)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return _bitmapresolution;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshcairo_surface_t*

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext::getSurface(void)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh g_assert( _is_valid );

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return _surface;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext::saveAsPng(const char *file_name)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_status_t status = cairo_surface_write_to_png(_surface, file_name);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (status)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return false;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh else

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return true;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext::setRenderMode(CairoRenderMode mode)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh switch (mode) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh case RENDER_MODE_NORMAL:

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh case RENDER_MODE_CLIP:

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _render_mode = mode;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh break;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh default:

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _render_mode = RENDER_MODE_NORMAL;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh break;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext::CairoRenderMode

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext::getRenderMode(void) const

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return _render_mode;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext::setClipMode(CairoClipMode mode)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh switch (mode) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh case CLIP_MODE_PATH: // Clip is rendered as a path for vector output

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh case CLIP_MODE_MASK: // Clip is rendered as a bitmap for raster output.

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _clip_mode = mode;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh break;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh default:

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _clip_mode = CLIP_MODE_PATH;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh break;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::CairoClipMode

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext::getClipMode(void) const

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return _clip_mode;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderState* CairoRenderContext::_createState(void)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh CairoRenderState *state = static_cast<CairoRenderState*>(g_try_malloc(sizeof(CairoRenderState)));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( state != NULL );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh state->has_filtereffect = FALSE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh state->merge_opacity = TRUE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh state->opacity = 1.0;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh state->need_layer = FALSE;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh state->has_overflow = FALSE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh state->parent_has_userspace = FALSE;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh state->clip_path = NULL;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh state->mask = NULL;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return state;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshvoid CairoRenderContext::pushLayer(void)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( _is_valid );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh TRACE(("--pushLayer\n"));

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_push_group(_cr);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // clear buffer

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (!_vector_based_target) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_save(_cr);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_set_operator(_cr, CAIRO_OPERATOR_CLEAR);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_paint(_cr);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_restore(_cr);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::popLayer(void)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh g_assert( _is_valid );

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh float opacity = _state->opacity;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh TRACE(("--popLayer w/ opacity %f\n", opacity));

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh /*

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh SPClipPath *clip_path = _state->clip_path;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh SPMask *mask = _state->mask;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (clip_path || mask) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh CairoRenderContext *clip_ctx = 0;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_surface_t *clip_mask = 0;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // Apply any clip path first

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (clip_path) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh TRACE((" Applying clip\n"));

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (_render_mode == RENDER_MODE_CLIP)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh mask = NULL; // disable mask when performing nested clipping

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (_vector_based_target) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh setClipMode(CLIP_MODE_PATH); // Vector

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (!mask) {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_pop_group_to_source(_cr);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _renderer->applyClipPath(this, clip_path); // Uses cairo_clip()

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (opacity == 1.0)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_paint(_cr);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh else

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_paint_with_alpha(_cr, opacity);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh // the clipPath will be applied before masking

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else {

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // setup a new rendering context

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh clip_ctx = _renderer->createContext();

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh clip_ctx->setImageTarget(CAIRO_FORMAT_A8);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh clip_ctx->setClipMode(CLIP_MODE_MASK); // Raster

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh // This code ties the clipping to the document coordinates. It doesn't allow

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh // for a clipped object intially drawn off the page and then translated onto

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // the page.

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (!clip_ctx->setupSurface(_width, _height)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh TRACE(("clip: setupSurface failed\n"));

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh _renderer->destroyContext(clip_ctx);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // clear buffer

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_save(clip_ctx->_cr);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_set_operator(clip_ctx->_cr, CAIRO_OPERATOR_CLEAR);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_paint(clip_ctx->_cr);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_restore(clip_ctx->_cr);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh // If a mask won't be applied set opacity too. (The clip is represented by a solid Cairo mask.)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh if (!mask)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_set_source_rgba(clip_ctx->_cr, 1.0, 1.0, 1.0, opacity);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh else

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_set_source_rgba(clip_ctx->_cr, 1.0, 1.0, 1.0, 1.0);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // copy over the correct CTM

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // It must be stored in item_transform of current state after pushState.

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Affine item_transform;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (_state->parent_has_userspace)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh item_transform = getParentState()->transform * _state->item_transform;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh else

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh item_transform = _state->item_transform;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // apply the clip path

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh clip_ctx->pushState();

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh clip_ctx->getCurrentState()->item_transform = item_transform;

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh _renderer->applyClipPath(clip_ctx, clip_path);

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh clip_ctx->popState();

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh clip_mask = clip_ctx->getSurface();

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh TEST(clip_ctx->saveAsPng("clip_mask.png"));

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh if (!mask) {

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh cairo_pop_group_to_source(_cr);

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh cairo_mask_surface(_cr, clip_mask, 0, 0);

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh _renderer->destroyContext(clip_ctx);

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh }

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh }

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh }

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // Apply any mask second

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh if (mask) {

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh TRACE((" Applying mask\n"));

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // create rendering context for mask

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh CairoRenderContext *mask_ctx = _renderer->createContext();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // Fix Me: This is a kludge. PDF and PS output is set to 72 dpi but the

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // Cairo surface is expecting the mask to be 90 dpi.

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh float surface_width = _width;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh float surface_height = _height;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if( _vector_based_target ) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh surface_width *= 1.25;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh surface_height *= 1.25;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (!mask_ctx->setupSurface( surface_width, surface_height )) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh TRACE(("mask: setupSurface failed\n"));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _renderer->destroyContext(mask_ctx);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh TRACE(("mask surface: %f x %f at %i dpi\n", surface_width, surface_height, _dpi ));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // Mask should start black, but it is created white.

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_set_source_rgba(mask_ctx->_cr, 0.0, 0.0, 0.0, 1.0);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_rectangle(mask_ctx->_cr, 0, 0, surface_width, surface_height);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_fill(mask_ctx->_cr);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // set rendering mode to normal

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh setRenderMode(RENDER_MODE_NORMAL);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // copy the correct CTM to mask context

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh /*

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // This is probably not correct... but it seems to do the trick.

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh mask_ctx->setTransform(_state->item_transform);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // render mask contents to mask_ctx

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _renderer->applyMask(mask_ctx, mask);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh TEST(mask_ctx->saveAsPng("mask.png"));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // composite with clip mask

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (clip_path && _clip_mode == CLIP_MODE_MASK) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_mask_surface(mask_ctx->_cr, clip_mask, 0, 0);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _renderer->destroyContext(clip_ctx);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_surface_t *mask_image = mask_ctx->getSurface();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh int width = cairo_image_surface_get_width(mask_image);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh int height = cairo_image_surface_get_height(mask_image);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh int stride = cairo_image_surface_get_stride(mask_image);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh unsigned char *pixels = cairo_image_surface_get_data(mask_image);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // In SVG, the rgb channels as well as the alpha channel is used in masking.

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // In Cairo, only the alpha channel is used thus requiring this conversion.

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // SVG specifies that RGB be converted to alpha using luminance-to-alpha.

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // Notes: This calculation assumes linear RGB values. VERIFY COLOR SPACE!

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // The incoming pixel values already include alpha, fill-opacity, etc.,

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // however, opacity must still be applied.

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh TRACE(("premul w/ %f\n", opacity));

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh const float coeff_r = 0.2125 / 255.0;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh const float coeff_g = 0.7154 / 255.0;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh const float coeff_b = 0.0721 / 255.0;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh for (int row = 0 ; row < height; row++) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh unsigned char *row_data = pixels + (row * stride);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh for (int i = 0 ; i < width; i++) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh guint32 *pixel = reinterpret_cast<guint32 *>(row_data) + i;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh float lum_alpha = (((*pixel & 0x00ff0000) >> 16) * coeff_r +

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ((*pixel & 0x0000ff00) >> 8) * coeff_g +

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ((*pixel & 0x000000ff) ) * coeff_b );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // lum_alpha can be slightly greater than 1 due to rounding errors...

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // but this should be OK since it doesn't matter what the lower

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // six hexadecimal numbers of *pixel are.

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh *pixel = (guint32)(0xff000000 * lum_alpha * opacity);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pop_group_to_source(_cr);

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh if (_clip_mode == CLIP_MODE_PATH) {

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // we have to do the clipping after cairo_pop_group_to_source

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh _renderer->applyClipPath(this, clip_path);

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh }

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // apply the mask onto the layer

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh cairo_mask_surface(_cr, mask_image, 0, 0);

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh _renderer->destroyContext(mask_ctx);

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh }

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh } else {

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh // No clip path or mask

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh cairo_pop_group_to_source(_cr);

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh if (opacity == 1.0)

c4723fe0caa2096d00cb31a7d1506351ba8102dbmiklosh cairo_paint(_cr);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh else

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_paint_with_alpha(_cr, opacity);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::addClipPath(Geom::PathVector const &pv, SPIEnum const *fill_rule)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( _is_valid );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // here it should be checked whether the current clip winding changed

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // so we could switch back to masked clipping

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (fill_rule->value == SP_WIND_RULE_EVENODD) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_set_fill_rule(_cr, CAIRO_FILL_RULE_EVEN_ODD);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_set_fill_rule(_cr, CAIRO_FILL_RULE_WINDING);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh addPathVector(pv);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::addClippingRect(double x, double y, double width, double height)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( _is_valid );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_rectangle(_cr, x, y, width, height);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_clip(_cr);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::setupSurface(double width, double height)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // Is the surface already set up?

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (_is_valid)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return true;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (_vector_based_target && _stream == NULL)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return false;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _width = width;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _height = height;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Inkscape::SVGOStringStream os_bbox;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Inkscape::SVGOStringStream os_pagebbox;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh os_bbox.setf(std::ios::fixed); // don't use scientific notation

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh os_pagebbox.setf(std::ios::fixed); // don't use scientific notation

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh os_bbox << "%%BoundingBox: 0 0 " << (int)ceil(width) << (int)ceil(height); // apparently, the numbers should be integers. (see bug 380501)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh os_pagebbox << "%%PageBoundingBox: 0 0 " << (int)ceil(width) << (int)ceil(height);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_surface_t *surface = NULL;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_t ctm;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_init_identity (&ctm);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh switch (_target) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh case CAIRO_SURFACE_TYPE_IMAGE:

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh surface = cairo_image_surface_create(_target_format, (int)ceil(width), (int)ceil(height));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh break;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#ifdef CAIRO_HAS_PDF_SURFACE

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh case CAIRO_SURFACE_TYPE_PDF:

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh surface = cairo_pdf_surface_create_for_stream(Inkscape::Extension::Internal::_write_callback, _stream, width, height);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pdf_surface_restrict_to_version(surface, (cairo_pdf_version_t)_pdf_level);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh break;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#endif

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#ifdef CAIRO_HAS_PS_SURFACE

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh case CAIRO_SURFACE_TYPE_PS:

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh surface = cairo_ps_surface_create_for_stream(Inkscape::Extension::Internal::_write_callback, _stream, width, height);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if(CAIRO_STATUS_SUCCESS != cairo_surface_status(surface)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return FALSE;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_ps_surface_restrict_to_level(surface, (cairo_ps_level_t)_ps_level);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_ps_surface_set_eps(surface, (cairo_bool_t) _eps);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // Cairo calculates the bounding box itself, however we want to override this. See Launchpad bug #380501

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#if (CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 11, 2))

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#endif

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh break;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#endif

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh default:

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return false;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh break;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return _finishSurfaceSetup (surface, &ctm);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::setSurfaceTarget(cairo_surface_t *surface, bool is_vector, cairo_matrix_t *ctm)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (_is_valid || !surface)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return false;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _vector_based_target = is_vector;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh bool ret = _finishSurfaceSetup (surface, ctm);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (ret)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_surface_reference (surface);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return ret;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::_finishSurfaceSetup(cairo_surface_t *surface, cairo_matrix_t *ctm)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if(surface == NULL) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return false;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if(CAIRO_STATUS_SUCCESS != cairo_surface_status(surface)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return false;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _cr = cairo_create(surface);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if(CAIRO_STATUS_SUCCESS != cairo_status(_cr)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return false;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (ctm)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_set_matrix(_cr, ctm);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _surface = surface;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (_vector_based_target) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_scale(_cr, Inkscape::Util::Quantity::convert(1, "px", "pt"), Inkscape::Util::Quantity::convert(1, "px", "pt"));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else if (cairo_surface_get_content(_surface) != CAIRO_CONTENT_ALPHA) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // set background color on non-alpha surfaces

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // TODO: bgcolor should be derived from SPDocument

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_set_source_rgb(_cr, 1.0, 1.0, 1.0);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_rectangle(_cr, 0, 0, _width, _height);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_fill(_cr);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _is_valid = TRUE;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return true;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::finish(void)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( _is_valid );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (_vector_based_target)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_show_page(_cr);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_destroy(_cr);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_surface_finish(_surface);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_status_t status = cairo_surface_status(_surface);

d0b0b05662fc5cb6d734420166562b4d84dcbc75miklosh cairo_surface_destroy(_surface);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _cr = NULL;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _surface = NULL;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (_layout)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_object_unref(_layout);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _is_valid = FALSE;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (_vector_based_target && _stream) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh /* Flush stream to be sure. */

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh (void) fflush(_stream);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh fclose(_stream);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _stream = NULL;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (status == CAIRO_STATUS_SUCCESS)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return true;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh else

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return false;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::transform(Geom::Affine const &transform)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( _is_valid );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_t matrix;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _initCairoMatrix(&matrix, transform);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_transform(_cr, &matrix);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // store new CTM

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _state->transform = getTransform();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::setTransform(Geom::Affine const &transform)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( _is_valid );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_t matrix;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _initCairoMatrix(&matrix, transform);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_set_matrix(_cr, &matrix);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _state->transform = transform;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshGeom::Affine CairoRenderContext::getTransform() const

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( _is_valid );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_t ctm;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_get_matrix(_cr, &ctm);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Affine ret;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ret[0] = ctm.xx;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ret[1] = ctm.yx;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ret[2] = ctm.xy;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ret[3] = ctm.yy;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ret[4] = ctm.x0;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ret[5] = ctm.y0;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return ret;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshGeom::Affine CairoRenderContext::getParentTransform() const

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( _is_valid );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh CairoRenderState *parent_state = getParentState();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return parent_state->transform;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshvoid CairoRenderContext::pushState(void)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( _is_valid );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_save(_cr);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh CairoRenderState *new_state = _createState();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // copy current state's transform

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh new_state->transform = _state->transform;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _state_stack = g_slist_prepend(_state_stack, new_state);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _state = new_state;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshvoid CairoRenderContext::popState(void)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( _is_valid );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_restore(_cr);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_free(_state_stack->data);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _state_stack = g_slist_remove_link(_state_stack, _state_stack);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _state = static_cast<CairoRenderState*>(_state_stack->data);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( g_slist_length(_state_stack) > 0 );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshstatic bool pattern_hasItemChildren(SPPattern *pat)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh bool hasItems = false;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh for ( SPObject *child = pat->firstChild() ; child && !hasItems; child = child->getNext() ) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (SP_IS_ITEM (child)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh hasItems = true;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return hasItems;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshcairo_pattern_t*

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::_createPatternPainter(SPPaintServer const *const paintserver, Geom::OptRect const &pbox)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g_assert( SP_IS_PATTERN(paintserver) );

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh SPPattern *pat = SP_PATTERN (paintserver);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Affine ps2user, pcs2dev;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ps2user = Geom::identity();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pcs2dev = Geom::identity();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double x = pattern_x(pat);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double y = pattern_y(pat);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double width = pattern_width(pat);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double height = pattern_height(pat);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double bbox_width_scaler;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double bbox_height_scaler;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh TRACE(("%f x %f pattern\n", width, height));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (pbox && pattern_patternUnits(pat) == SP_PATTERN_UNITS_OBJECTBOUNDINGBOX) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh //Geom::Affine bbox2user (pbox->x1 - pbox->x0, 0.0, 0.0, pbox->y1 - pbox->y0, pbox->x0, pbox->y0);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh bbox_width_scaler = pbox->width();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh bbox_height_scaler = pbox->height();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ps2user[4] = x * bbox_width_scaler + pbox->left();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ps2user[5] = y * bbox_height_scaler + pbox->top();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh bbox_width_scaler = 1.0;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh bbox_height_scaler = 1.0;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ps2user[4] = x;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ps2user[5] = y;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // apply pattern transformation

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Affine pattern_transform(pattern_patternTransform(pat));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ps2user *= pattern_transform;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Point ori (ps2user[4], ps2user[5]);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // create pattern contents coordinate system

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (pat->viewBox_set) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Rect view_box = *pattern_viewBox(pat);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double x, y, w, h;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh x = 0;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh y = 0;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh w = width * bbox_width_scaler;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh h = height * bbox_height_scaler;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh //calculatePreserveAspectRatio(pat->aspect_align, pat->aspect_clip, view_width, view_height, &x, &y, &w, &h);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pcs2dev[0] = w / view_box.width();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pcs2dev[3] = h / view_box.height();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pcs2dev[4] = x - view_box.left() * pcs2dev[0];

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pcs2dev[5] = y - view_box.top() * pcs2dev[3];

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else if (pbox && pattern_patternContentUnits(pat) == SP_PATTERN_UNITS_OBJECTBOUNDINGBOX) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pcs2dev[0] = pbox->width();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pcs2dev[3] = pbox->height();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // Calculate the size of the surface which has to be created

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh#define SUBPIX_SCALE 100

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // Cairo requires an integer pattern surface width/height.

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // Subtract 0.5 to prevent small rounding errors from increasing pattern size by one pixel.

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // Multiply by SUBPIX_SCALE to allow for less than a pixel precision

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double surface_width = MAX(ceil(SUBPIX_SCALE * bbox_width_scaler * width - 0.5), 1);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double surface_height = MAX(ceil(SUBPIX_SCALE * bbox_height_scaler * height - 0.5), 1);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh TRACE(("pattern surface size: %f x %f\n", surface_width, surface_height));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // create new rendering context

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh CairoRenderContext *pattern_ctx = cloneMe(surface_width, surface_height);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // adjust the size of the painted pattern to fit exactly the created surface

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // this has to be done because of the rounding to obtain an integer pattern surface width/height

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double scale_width = surface_width / (bbox_width_scaler * width);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double scale_height = surface_height / (bbox_height_scaler * height);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (scale_width != 1.0 || scale_height != 1.0 || _vector_based_target) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh TRACE(("needed to scale with %f %f\n", scale_width, scale_height));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pcs2dev *= Geom::Scale(SUBPIX_SCALE,SUBPIX_SCALE);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ps2user *= Geom::Scale(1.0/SUBPIX_SCALE,1.0/SUBPIX_SCALE);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // despite scaling up/down by subpixel scaler, the origin point of the pattern must be the same

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ps2user[4] = ori[Geom::X];

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh ps2user[5] = ori[Geom::Y];

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pattern_ctx->setTransform(pcs2dev);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pattern_ctx->pushState();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // create drawing and group

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Inkscape::Drawing drawing;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh unsigned dkey = SPItem::display_key_new(1);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // show items and render them

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh for (SPPattern *pat_i = pat; pat_i != NULL; pat_i = pat_i->ref ? pat_i->ref->getObject() : NULL) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (pat_i && SP_IS_OBJECT(pat_i) && pattern_hasItemChildren(pat_i)) { // find the first one with item children

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh for ( SPObject *child = pat_i->firstChild() ; child; child = child->getNext() ) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (SP_IS_ITEM(child)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh SP_ITEM(child)->invoke_show(drawing, dkey, SP_ITEM_REFERENCE_FLAGS);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _renderer->renderItem(pattern_ctx, SP_ITEM(child));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh break; // do not go further up the chain if children are found

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pattern_ctx->popState();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // setup a cairo_pattern_t

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_surface_t *pattern_surface = pattern_ctx->getSurface();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh TEST(pattern_ctx->saveAsPng("pattern.png"));

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pattern_t *result = cairo_pattern_create_for_surface(pattern_surface);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pattern_set_extend(result, CAIRO_EXTEND_REPEAT);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // set pattern transformation

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_t pattern_matrix;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh _initCairoMatrix(&pattern_matrix, ps2user);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_invert(&pattern_matrix);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pattern_set_matrix(result, &pattern_matrix);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh delete pattern_ctx;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // hide all items

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh for (SPPattern *pat_i = pat; pat_i != NULL; pat_i = pat_i->ref ? pat_i->ref->getObject() : NULL) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (pat_i && SP_IS_OBJECT(pat_i) && pattern_hasItemChildren(pat_i)) { // find the first one with item children

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh for ( SPObject *child = pat_i->firstChild() ; child; child = child->getNext() ) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (SP_IS_ITEM(child)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh SP_ITEM(child)->invoke_hide(dkey);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh break; // do not go further up the chain if children are found

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return result;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh}

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshcairo_pattern_t*

3711b3e25395437ee0a09dbbb2a76d999c4ef322mikloshCairoRenderContext::_createPatternForPaintServer(SPPaintServer const *const paintserver,

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::OptRect const &pbox, float alpha)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh{

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pattern_t *pattern = NULL;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh bool apply_bbox2user = FALSE;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (SP_IS_LINEARGRADIENT (paintserver)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh SPLinearGradient *lg=SP_LINEARGRADIENT(paintserver);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh SP_GRADIENT(lg)->ensureVector(); // when exporting from commandline, vector is not built

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Point p1 (lg->x1.computed, lg->y1.computed);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Point p2 (lg->x2.computed, lg->y2.computed);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (pbox && SP_GRADIENT(lg)->getUnits() == SP_GRADIENT_UNITS_OBJECTBOUNDINGBOX) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // convert to userspace

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Affine bbox2user(pbox->width(), 0, 0, pbox->height(), pbox->left(), pbox->top());

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh p1 *= bbox2user;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh p2 *= bbox2user;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // create linear gradient pattern

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pattern = cairo_pattern_create_linear(p1[Geom::X], p1[Geom::Y], p2[Geom::X], p2[Geom::Y]);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // add stops

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh for (gint i = 0; unsigned(i) < lg->vector.stops.size(); i++) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh float rgb[3];

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh sp_color_get_rgb_floatv(&lg->vector.stops[i].color, rgb);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pattern_add_color_stop_rgba(pattern, lg->vector.stops[i].offset, rgb[0], rgb[1], rgb[2], lg->vector.stops[i].opacity * alpha);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else if (SP_IS_RADIALGRADIENT (paintserver)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh SPRadialGradient *rg=SP_RADIALGRADIENT(paintserver);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh SP_GRADIENT(rg)->ensureVector(); // when exporting from commandline, vector is not built

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Point c (rg->cx.computed, rg->cy.computed);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh Geom::Point f (rg->fx.computed, rg->fy.computed);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh double r = rg->r.computed;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (pbox && SP_GRADIENT(rg)->getUnits() == SP_GRADIENT_UNITS_OBJECTBOUNDINGBOX)

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh apply_bbox2user = true;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // create radial gradient pattern

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pattern = cairo_pattern_create_radial(f[Geom::X], f[Geom::Y], 0, c[Geom::X], c[Geom::Y], r);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // add stops

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh for (gint i = 0; unsigned(i) < rg->vector.stops.size(); i++) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh float rgb[3];

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh sp_color_get_rgb_floatv(&rg->vector.stops[i].color, rgb);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pattern_add_color_stop_rgba(pattern, rg->vector.stops[i].offset, rgb[0], rgb[1], rgb[2], rg->vector.stops[i].opacity * alpha);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else if (SP_IS_PATTERN (paintserver)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh pattern = _createPatternPainter(paintserver, pbox);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh return NULL;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (pattern && SP_IS_GRADIENT(paintserver)) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh SPGradient *g = SP_GRADIENT(paintserver);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // set extend type

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh SPGradientSpread spread = g->fetchSpread();

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh switch (spread) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh case SP_GRADIENT_SPREAD_REPEAT: {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REPEAT);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh break;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh case SP_GRADIENT_SPREAD_REFLECT: { // not supported by cairo-pdf yet

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pattern_set_extend(pattern, CAIRO_EXTEND_REFLECT);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh break;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh case SP_GRADIENT_SPREAD_PAD: { // not supported by cairo-pdf yet

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pattern_set_extend(pattern, CAIRO_EXTEND_PAD);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh break;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh default: {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_pattern_set_extend(pattern, CAIRO_EXTEND_NONE);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh break;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_t pattern_matrix;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (g->gradientTransform_set) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // apply gradient transformation

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_init(&pattern_matrix,

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g->gradientTransform[0], g->gradientTransform[1],

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g->gradientTransform[2], g->gradientTransform[3],

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh g->gradientTransform[4], g->gradientTransform[5]);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh } else {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_init_identity (&pattern_matrix);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh if (apply_bbox2user) {

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh // convert to userspace

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_t bbox2user;

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_init (&bbox2user, pbox->width(), 0, 0, pbox->height(), pbox->left(), pbox->top());

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh cairo_matrix_multiply (&pattern_matrix, &bbox2user, &pattern_matrix);

3711b3e25395437ee0a09dbbb2a76d999c4ef322miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_matrix_invert(&pattern_matrix); // because Cairo expects a userspace->patternspace matrix

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh cairo_pattern_set_matrix(pattern, &pattern_matrix);

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh }

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh return pattern;

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh}

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh

7a7fa095a483e8b652af9f00e5169f62c84f09b9mikloshCairoRenderContext::_setFillStyle(SPStyle const *const style, Geom::OptRect const &pbox)

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh{

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh g_return_if_fail( !style->fill.set

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh || style->fill.isColor()

7a7fa095a483e8b652af9f00e5169f62c84f09b9miklosh || style->fill.isPaintserver() );

float alpha = SP_SCALE24_TO_FLOAT(style->fill_opacity.value);

if (_state->merge_opacity) {

alpha *= _state->opacity;

TRACE(("merged op=%f\n", alpha));

}

if (style->fill.isColor()) {

float rgb[3];

sp_color_get_rgb_floatv(&style->fill.value.color, rgb);

cairo_set_source_rgba(_cr, rgb[0], rgb[1], rgb[2], alpha);

} else if (!style->fill.set) { // unset fill is black

cairo_set_source_rgba(_cr, 0, 0, 0, alpha);

} else {

g_assert( style->fill.isPaintserver()

|| SP_IS_GRADIENT(SP_STYLE_FILL_SERVER(style))

|| SP_IS_PATTERN(SP_STYLE_FILL_SERVER(style)) );

cairo_pattern_t *pattern = _createPatternForPaintServer(SP_STYLE_FILL_SERVER(style), pbox, alpha);

if (pattern) {

cairo_set_source(_cr, pattern);

cairo_pattern_destroy(pattern);

}

}

}

CairoRenderContext::_setStrokeStyle(SPStyle const *style, Geom::OptRect const &pbox)

{

float alpha = SP_SCALE24_TO_FLOAT(style->stroke_opacity.value);

if (_state->merge_opacity)

alpha *= _state->opacity;

if (style->stroke.isColor()) {

float rgb[3];

sp_color_get_rgb_floatv(&style->stroke.value.color, rgb);

cairo_set_source_rgba(_cr, rgb[0], rgb[1], rgb[2], alpha);

} else {

g_assert( style->stroke.isPaintserver()

|| SP_IS_GRADIENT(SP_STYLE_STROKE_SERVER(style))

|| SP_IS_PATTERN(SP_STYLE_STROKE_SERVER(style)) );

cairo_pattern_t *pattern = _createPatternForPaintServer(SP_STYLE_STROKE_SERVER(style), pbox, alpha);

if (pattern) {

cairo_set_source(_cr, pattern);

cairo_pattern_destroy(pattern);

}

}

if (style->stroke_dash.n_dash &&

style->stroke_dash.dash )

{

cairo_set_dash(_cr, style->stroke_dash.dash, style->stroke_dash.n_dash, style->stroke_dash.offset);

} else {

cairo_set_dash(_cr, NULL, 0, 0.0); // disable dashing