nr-arena-glyphs.cpp revision 6864a204fac56a032f9187b482b4de6c64f06cef
#define __NR_ARENA_GLYPHS_C__
/*
* RGBA display list system for inkscape
*
* Author:
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 2002 Lauris Kaplinski
*
* Released under GNU GPL
*
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <libnr/nr-blit.h>
#include <libnr/nr-path.h>
#include <libnr/n-art-bpath.h>
#include <libnr/nr-matrix-ops.h>
#include <libnr/nr-matrix-fns.h>
#include "../style.h"
#include "nr-arena.h"
#include "nr-arena-glyphs.h"
#include <cairo.h>
#include "inkscape-cairo.h"
#ifdef test_glyph_liv
#include "../display/canvas-bpath.h"
#include <libnrtype/font-instance.h>
#include <libnrtype/raster-glyph.h>
#include <libnrtype/RasterFont.h>
// defined in nr-arena-shape.cpp
void nr_pixblock_render_shape_mask_or(NRPixBlock &m, Shape *theS);
#endif
#ifdef ENABLE_SVG_FONTS
#include "nr-svgfonts.h"
#endif //#ifdef ENABLE_SVG_FONTS
static void nr_arena_glyphs_class_init(NRArenaGlyphsClass *klass);
static void nr_arena_glyphs_init(NRArenaGlyphs *glyphs);
static void nr_arena_glyphs_finalize(NRObject *object);
static guint nr_arena_glyphs_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset);
static guint nr_arena_glyphs_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb);
static NRArenaItem *nr_arena_glyphs_pick(NRArenaItem *item, NR::Point p, double delta, unsigned int sticky);
static NRArenaItemClass *glyphs_parent_class;
NRType
nr_arena_glyphs_get_type(void)
{
static NRType type = 0;
if (!type) {
type = nr_object_register_type(NR_TYPE_ARENA_ITEM,
"NRArenaGlyphs",
sizeof(NRArenaGlyphsClass),
sizeof(NRArenaGlyphs),
(void (*)(NRObjectClass *)) nr_arena_glyphs_class_init,
(void (*)(NRObject *)) nr_arena_glyphs_init);
}
return type;
}
static void
nr_arena_glyphs_class_init(NRArenaGlyphsClass *klass)
{
NRObjectClass *object_class;
NRArenaItemClass *item_class;
object_class = (NRObjectClass *) klass;
item_class = (NRArenaItemClass *) klass;
glyphs_parent_class = (NRArenaItemClass *) ((NRObjectClass *) klass)->parent;
object_class->finalize = nr_arena_glyphs_finalize;
object_class->cpp_ctor = NRObject::invoke_ctor<NRArenaGlyphs>;
item_class->update = nr_arena_glyphs_update;
item_class->clip = nr_arena_glyphs_clip;
item_class->pick = nr_arena_glyphs_pick;
}
static void
nr_arena_glyphs_init(NRArenaGlyphs *glyphs)
{
glyphs->style = NULL;
glyphs->g_transform.set_identity();
glyphs->font = NULL;
glyphs->glyph = 0;
glyphs->rfont = NULL;
glyphs->sfont = NULL;
glyphs->x = glyphs->y = 0.0;
}
static void
nr_arena_glyphs_finalize(NRObject *object)
{
NRArenaGlyphs *glyphs = static_cast<NRArenaGlyphs *>(object);
if (glyphs->rfont) {
glyphs->rfont->Unref();
glyphs->rfont=NULL;
}
if (glyphs->sfont) {
glyphs->sfont->Unref();
glyphs->sfont=NULL;
}
if (glyphs->font) {
glyphs->font->Unref();
glyphs->font=NULL;
}
if (glyphs->style) {
sp_style_unref(glyphs->style);
glyphs->style = NULL;
}
((NRObjectClass *) glyphs_parent_class)->finalize(object);
}
static guint
nr_arena_glyphs_update(NRArenaItem *item, NRRectL */*area*/, NRGC *gc, guint /*state*/, guint /*reset*/)
{
NRArenaGlyphs *glyphs;
raster_font *rfont;
glyphs = NR_ARENA_GLYPHS(item);
if (!glyphs->font || !glyphs->style)
return NR_ARENA_ITEM_STATE_ALL;
if ((glyphs->style->fill.isNone()) && (glyphs->style->stroke.isNone()))
return NR_ARENA_ITEM_STATE_ALL;
NRRect bbox;
bbox.x0 = bbox.y0 = NR_HUGE;
bbox.x1 = bbox.y1 = -NR_HUGE;
float const scale = NR::expansion(gc->transform);
if (!glyphs->style->fill.isNone()) {
NR::Matrix t;
t = glyphs->g_transform * gc->transform;
glyphs->x = t[4];
glyphs->y = t[5];
t[4]=0;
t[5]=0;
rfont = glyphs->font->RasterFont(t, 0);
if (glyphs->rfont) glyphs->rfont->Unref();
glyphs->rfont = rfont;
if (glyphs->style->stroke.isNone() || fabs(glyphs->style->stroke_width.computed * scale) <= 0.01) { // Optimization: do fill bbox only if there's no stroke
NRRect narea;
if ( glyphs->rfont ) glyphs->rfont->BBox(glyphs->glyph, &narea);
bbox.x0 = narea.x0 + glyphs->x;
bbox.y0 = narea.y0 + glyphs->y;
bbox.x1 = narea.x1 + glyphs->x;
bbox.y1 = narea.y1 + glyphs->y;
}
}
if (!glyphs->style->stroke.isNone()) {
/* Build state data */
NR::Matrix t;
t = glyphs->g_transform * gc->transform;
glyphs->x = t[4];
glyphs->y = t[5];
t[4]=0;
t[5]=0;
if ( fabs(glyphs->style->stroke_width.computed * scale) > 0.01 ) { // sinon c'est 0=oon veut pas de bord
font_style nstyl;
nstyl.transform = t;
nstyl.stroke_width=MAX(0.125, glyphs->style->stroke_width.computed * scale);
if ( glyphs->style->stroke_linecap.computed == SP_STROKE_LINECAP_BUTT ) nstyl.stroke_cap=butt_straight;
if ( glyphs->style->stroke_linecap.computed == SP_STROKE_LINECAP_ROUND ) nstyl.stroke_cap=butt_round;
if ( glyphs->style->stroke_linecap.computed == SP_STROKE_LINECAP_SQUARE ) nstyl.stroke_cap=butt_square;
if ( glyphs->style->stroke_linejoin.computed == SP_STROKE_LINEJOIN_MITER ) nstyl.stroke_join=join_pointy;
if ( glyphs->style->stroke_linejoin.computed == SP_STROKE_LINEJOIN_ROUND ) nstyl.stroke_join=join_round;
if ( glyphs->style->stroke_linejoin.computed == SP_STROKE_LINEJOIN_BEVEL ) nstyl.stroke_join=join_straight;
nstyl.stroke_miter_limit = glyphs->style->stroke_miterlimit.value;
nstyl.nbDash=0;
nstyl.dash_offset = 0;
nstyl.dashes=NULL;
if ( glyphs->style->stroke_dash.n_dash > 0 ) {
nstyl.dash_offset = glyphs->style->stroke_dash.offset * scale;
nstyl.nbDash=glyphs->style->stroke_dash.n_dash;
nstyl.dashes=(double*)malloc(nstyl.nbDash*sizeof(double));
for (int i = 0; i < nstyl.nbDash; i++) nstyl.dashes[i]= glyphs->style->stroke_dash.dash[i] * scale;
}
rfont = glyphs->font->RasterFont( nstyl);
if ( nstyl.dashes ) free(nstyl.dashes);
if (glyphs->sfont) glyphs->sfont->Unref();
glyphs->sfont = rfont;
NRRect narea;
if ( glyphs->sfont ) glyphs->sfont->BBox(glyphs->glyph, &narea);
narea.x0-=nstyl.stroke_width;
narea.y0-=nstyl.stroke_width;
narea.x1+=nstyl.stroke_width;
narea.y1+=nstyl.stroke_width;
bbox.x0 = narea.x0 + glyphs->x;
bbox.y0 = narea.y0 + glyphs->y;
bbox.x1 = narea.x1 + glyphs->x;
bbox.y1 = narea.y1 + glyphs->y;
}
}
if (nr_rect_d_test_empty(&bbox)) return NR_ARENA_ITEM_STATE_ALL;
item->bbox.x0 = (gint32)(bbox.x0 - 1.0);
item->bbox.y0 = (gint32)(bbox.y0 - 1.0);
item->bbox.x1 = (gint32)(bbox.x1 + 1.0);
item->bbox.y1 = (gint32)(bbox.y1 + 1.0);
nr_arena_request_render_rect(item->arena, &item->bbox);
return NR_ARENA_ITEM_STATE_ALL;
}
static guint
nr_arena_glyphs_clip(NRArenaItem *item, NRRectL */*area*/, NRPixBlock */*pb*/)
{
NRArenaGlyphs *glyphs;
glyphs = NR_ARENA_GLYPHS(item);
if (!glyphs->font ) return item->state;
/* TODO : render to greyscale pixblock provided for clipping */
return item->state;
}
static NRArenaItem *
nr_arena_glyphs_pick(NRArenaItem *item, NR::Point p, gdouble /*delta*/, unsigned int /*sticky*/)
{
NRArenaGlyphs *glyphs;
glyphs = NR_ARENA_GLYPHS(item);
if (!glyphs->font ) return NULL;
if (!glyphs->style) return NULL;
double const x = p[NR::X];
double const y = p[NR::Y];
/* With text we take a simple approach: pick if the point is in a characher bbox */
if ((x >= item->bbox.x0) && (y >= item->bbox.y0) && (x <= item->bbox.x1) && (y <= item->bbox.y1)) return item;
return NULL;
}
void
nr_arena_glyphs_set_path(NRArenaGlyphs *glyphs, SPCurve */*curve*/, unsigned int /*lieutenant*/, font_instance *font, gint glyph, NR::Matrix const *transform)
{
nr_return_if_fail(glyphs != NULL);
nr_return_if_fail(NR_IS_ARENA_GLYPHS(glyphs));
nr_arena_item_request_render(NR_ARENA_ITEM(glyphs));
if (transform) {
glyphs->g_transform = *transform;
} else {
glyphs->g_transform.set_identity();
}
if (font) font->Ref();
if (glyphs->font) glyphs->font->Unref();
glyphs->font=font;
glyphs->glyph = glyph;
nr_arena_item_request_update(NR_ARENA_ITEM(glyphs), NR_ARENA_ITEM_STATE_ALL, FALSE);
}
void
nr_arena_glyphs_set_style(NRArenaGlyphs *glyphs, SPStyle *style)
{
nr_return_if_fail(glyphs != NULL);
nr_return_if_fail(NR_IS_ARENA_GLYPHS(glyphs));
if (style) sp_style_ref(style);
if (glyphs->style) sp_style_unref(glyphs->style);
glyphs->style = style;
nr_arena_item_request_update(NR_ARENA_ITEM(glyphs), NR_ARENA_ITEM_STATE_ALL, FALSE);
}
static guint
nr_arena_glyphs_fill_mask(NRArenaGlyphs *glyphs, NRRectL *area, NRPixBlock *m)
{
/* fixme: area == m->area, so merge these */
NRArenaItem *item = NR_ARENA_ITEM(glyphs);
if (glyphs->rfont && nr_rect_l_test_intersect(area, &item->bbox)) {
raster_glyph *g = glyphs->rfont->GetGlyph(glyphs->glyph);
if ( g ) g->Blit(NR::Point(glyphs->x, glyphs->y), *m);
}
return item->state;
}
static guint
nr_arena_glyphs_stroke_mask(NRArenaGlyphs *glyphs, NRRectL *area, NRPixBlock *m)
{
NRArenaItem *item = NR_ARENA_ITEM(glyphs);
if (glyphs->sfont && nr_rect_l_test_intersect(area, &item->bbox)) {
raster_glyph *g=glyphs->sfont->GetGlyph(glyphs->glyph);
if ( g ) g->Blit(NR::Point(glyphs->x, glyphs->y),*m);
}
return item->state;
}
static void nr_arena_glyphs_group_class_init(NRArenaGlyphsGroupClass *klass);
static void nr_arena_glyphs_group_init(NRArenaGlyphsGroup *group);
static void nr_arena_glyphs_group_finalize(NRObject *object);
static guint nr_arena_glyphs_group_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset);
static unsigned int nr_arena_glyphs_group_render(cairo_t *ct, NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int flags);
static unsigned int nr_arena_glyphs_group_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb);
static NRArenaItem *nr_arena_glyphs_group_pick(NRArenaItem *item, NR::Point p, gdouble delta, unsigned int sticky);
static NRArenaGroupClass *group_parent_class;
NRType
nr_arena_glyphs_group_get_type(void)
{
static NRType type = 0;
if (!type) {
type = nr_object_register_type(NR_TYPE_ARENA_GROUP,
"NRArenaGlyphsGroup",
sizeof(NRArenaGlyphsGroupClass),
sizeof(NRArenaGlyphsGroup),
(void (*)(NRObjectClass *)) nr_arena_glyphs_group_class_init,
(void (*)(NRObject *)) nr_arena_glyphs_group_init);
}
return type;
}
static void
nr_arena_glyphs_group_class_init(NRArenaGlyphsGroupClass *klass)
{
NRObjectClass *object_class;
NRArenaItemClass *item_class;
object_class = (NRObjectClass *) klass;
item_class = (NRArenaItemClass *) klass;
group_parent_class = (NRArenaGroupClass *) ((NRObjectClass *) klass)->parent;
object_class->finalize = nr_arena_glyphs_group_finalize;
object_class->cpp_ctor = NRObject::invoke_ctor<NRArenaGlyphsGroup>;
item_class->update = nr_arena_glyphs_group_update;
item_class->render = nr_arena_glyphs_group_render;
item_class->clip = nr_arena_glyphs_group_clip;
item_class->pick = nr_arena_glyphs_group_pick;
}
static void
nr_arena_glyphs_group_init(NRArenaGlyphsGroup *group)
{
group->style = NULL;
group->paintbox.x0 = group->paintbox.y0 = 0.0F;
group->paintbox.x1 = group->paintbox.y1 = 1.0F;
group->fill_painter = NULL;
group->stroke_painter = NULL;
}
static void
nr_arena_glyphs_group_finalize(NRObject *object)
{
NRArenaGlyphsGroup *group=static_cast<NRArenaGlyphsGroup *>(object);
if (group->fill_painter) {
sp_painter_free(group->fill_painter);
group->fill_painter = NULL;
}
if (group->stroke_painter) {
sp_painter_free(group->stroke_painter);
group->stroke_painter = NULL;
}
if (group->style) {
sp_style_unref(group->style);
group->style = NULL;
}
((NRObjectClass *) group_parent_class)->finalize(object);
}
static guint
nr_arena_glyphs_group_update(NRArenaItem *item, NRRectL *area, NRGC *gc, guint state, guint reset)
{
NRArenaGlyphsGroup *group = NR_ARENA_GLYPHS_GROUP(item);
if (group->fill_painter) {
sp_painter_free(group->fill_painter);
group->fill_painter = NULL;
}
if (group->stroke_painter) {
sp_painter_free(group->stroke_painter);
group->stroke_painter = NULL;
}
item->render_opacity = TRUE;
if (group->style->fill.isPaintserver()) {
group->fill_painter = sp_paint_server_painter_new(SP_STYLE_FILL_SERVER(group->style),
gc->transform, gc->parent->transform,
&group->paintbox);
item->render_opacity = FALSE;
}
if (group->style->stroke.isPaintserver()) {
group->stroke_painter = sp_paint_server_painter_new(SP_STYLE_STROKE_SERVER(group->style),
gc->transform, gc->parent->transform,
&group->paintbox);
item->render_opacity = FALSE;
}
if ( item->render_opacity == TRUE && !group->style->stroke.isNone() && !group->style->fill.isNone() ) {
item->render_opacity=FALSE;
}
if (((NRArenaItemClass *) group_parent_class)->update)
return ((NRArenaItemClass *) group_parent_class)->update(item, area, gc, state, reset);
return NR_ARENA_ITEM_STATE_ALL;
}
static unsigned int
nr_arena_glyphs_group_render(cairo_t *ct, NRArenaItem *item, NRRectL *area, NRPixBlock *pb, unsigned int /*flags*/)
{
NRArenaItem *child;
NRArenaGroup *group = NR_ARENA_GROUP(item);
NRArenaGlyphsGroup *ggroup = NR_ARENA_GLYPHS_GROUP(item);
SPStyle const *style = ggroup->style;
guint ret = item->state;
if (item->arena->rendermode == Inkscape::RENDERMODE_OUTLINE) {
if (!ct)
return item->state;
guint32 rgba = item->arena->outlinecolor;
// FIXME: we use RGBA buffers but cairo writes BGRA (on i386), so we must cheat
// by setting color channels in the "wrong" order
cairo_set_source_rgba(ct, SP_RGBA32_B_F(rgba), SP_RGBA32_G_F(rgba), SP_RGBA32_R_F(rgba), SP_RGBA32_A_F(rgba));
cairo_set_tolerance(ct, 1.25); // low quality, but good enough for outline mode
for (child = group->children; child != NULL; child = child->next) {
NRArenaGlyphs *g = NR_ARENA_GLYPHS(child);
NArtBpath *bpath = (NArtBpath *) g->font->ArtBPath(g->glyph);
cairo_new_path(ct);
NR::Matrix g_t(g->g_transform);
feed_curve_to_cairo (ct, bpath, g_t * group->ctm, (pb->area).upgrade(), false, 0);
cairo_fill(ct);
pb->empty = FALSE;
}
return ret;
}
/* Fill */
if (!style->fill.isNone() || item->arena->rendermode == Inkscape::RENDERMODE_OUTLINE) {
NRPixBlock m;
nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
// if memory allocation failed, abort
if (m.size != NR_PIXBLOCK_SIZE_TINY && m.data.px == NULL) {
nr_pixblock_release (&m);
return (item->state);
}
m.visible_area = pb->visible_area;
/* Render children fill mask */
for (child = group->children; child != NULL; child = child->next) {
ret = nr_arena_glyphs_fill_mask(NR_ARENA_GLYPHS(child), area, &m);
if (!(ret & NR_ARENA_ITEM_STATE_RENDER)) {
nr_pixblock_release(&m);
return ret;
}
}
/* Composite into buffer */
if (style->fill.isPaintserver()) {
if (ggroup->fill_painter) {
nr_arena_render_paintserver_fill(pb, area, ggroup->fill_painter, SP_SCALE24_TO_FLOAT(style->fill_opacity.value), &m);
}
} else if (style->fill.isColor() || item->arena->rendermode == Inkscape::RENDERMODE_OUTLINE) {
guint32 rgba;
if (item->arena->rendermode == Inkscape::RENDERMODE_OUTLINE) {
// In outline mode, render fill only, using outlinecolor
rgba = item->arena->outlinecolor;
} else if ( item->render_opacity ) {
rgba = style->fill.value.color.toRGBA32( SP_SCALE24_TO_FLOAT(style->fill_opacity.value) *
SP_SCALE24_TO_FLOAT(style->opacity.value) );
} else {
rgba = style->fill.value.color.toRGBA32( SP_SCALE24_TO_FLOAT(style->fill_opacity.value) );
}
nr_blit_pixblock_mask_rgba32(pb, &m, rgba);
pb->empty = FALSE;
}
nr_pixblock_release(&m);
}
/* Stroke */
if (!style->stroke.isNone() && !(item->arena->rendermode == Inkscape::RENDERMODE_OUTLINE)) {
NRPixBlock m;
guint32 rgba;
nr_pixblock_setup_fast(&m, NR_PIXBLOCK_MODE_A8, area->x0, area->y0, area->x1, area->y1, TRUE);
// if memory allocation failed, abort
if (m.size != NR_PIXBLOCK_SIZE_TINY && m.data.px == NULL) {
nr_pixblock_release (&m);
return (item->state);
}
m.visible_area = pb->visible_area;
/* Render children stroke mask */
for (child = group->children; child != NULL; child = child->next) {
ret = nr_arena_glyphs_stroke_mask(NR_ARENA_GLYPHS(child), area, &m);
if (!(ret & NR_ARENA_ITEM_STATE_RENDER)) {
nr_pixblock_release(&m);
return ret;
}
}
/* Composite into buffer */
if (style->stroke.isPaintserver()) {
if (ggroup->stroke_painter) {
nr_arena_render_paintserver_fill(pb, area, ggroup->stroke_painter, SP_SCALE24_TO_FLOAT(style->stroke_opacity.value), &m);
}
} else if (style->stroke.isColor()) {
if ( item->render_opacity ) {
rgba = style->stroke.value.color.toRGBA32( SP_SCALE24_TO_FLOAT(style->stroke_opacity.value) *
SP_SCALE24_TO_FLOAT(style->opacity.value) );
} else {
rgba = style->stroke.value.color.toRGBA32( SP_SCALE24_TO_FLOAT(style->stroke_opacity.value) );
}
nr_blit_pixblock_mask_rgba32(pb, &m, rgba);
pb->empty = FALSE;
} else {
// nothing
}
nr_pixblock_release(&m);
}
return ret;
}
static unsigned int
nr_arena_glyphs_group_clip(NRArenaItem *item, NRRectL *area, NRPixBlock *pb)
{
NRArenaGroup *group = NR_ARENA_GROUP(item);
guint ret = item->state;
/* Render children fill mask */
for (NRArenaItem *child = group->children; child != NULL; child = child->next) {
ret = nr_arena_glyphs_fill_mask(NR_ARENA_GLYPHS(child), area, pb);
if (!(ret & NR_ARENA_ITEM_STATE_RENDER)) return ret;
}
return ret;
}
static NRArenaItem *
nr_arena_glyphs_group_pick(NRArenaItem *item, NR::Point p, gdouble delta, unsigned int sticky)
{
NRArenaItem *picked = NULL;
if (((NRArenaItemClass *) group_parent_class)->pick)
picked = ((NRArenaItemClass *) group_parent_class)->pick(item, p, delta, sticky);
if (picked) picked = item;
return picked;
}
void
nr_arena_glyphs_group_clear(NRArenaGlyphsGroup *sg)
{
NRArenaGroup *group = NR_ARENA_GROUP(sg);
nr_arena_item_request_render(NR_ARENA_ITEM(group));
while (group->children) {
nr_arena_item_remove_child(NR_ARENA_ITEM(group), group->children);
}
}
void
nr_arena_glyphs_group_add_component(NRArenaGlyphsGroup *sg, font_instance *font, int glyph, NR::Matrix const *transform)
{
NRArenaGroup *group;
NRBPath bpath;
group = NR_ARENA_GROUP(sg);
bpath.path = ( font
? (NArtBpath *) font->ArtBPath(glyph)
: NULL );
if ( bpath.path ) {
nr_arena_item_request_render(NR_ARENA_ITEM(group));
NRArenaItem *new_arena = NRArenaGlyphs::create(group->arena);
nr_arena_item_append_child(NR_ARENA_ITEM(group), new_arena);
nr_arena_item_unref(new_arena);
nr_arena_glyphs_set_path(NR_ARENA_GLYPHS(new_arena), NULL, FALSE, font, glyph, transform);
nr_arena_glyphs_set_style(NR_ARENA_GLYPHS(new_arena), sg->style);
}
}
void
nr_arena_glyphs_group_set_style(NRArenaGlyphsGroup *sg, SPStyle *style)
{
nr_return_if_fail(sg != NULL);
nr_return_if_fail(NR_IS_ARENA_GLYPHS_GROUP(sg));
NRArenaGroup *group = NR_ARENA_GROUP(sg);
if (style) sp_style_ref(style);
if (sg->style) sp_style_unref(sg->style);
sg->style = style;
for (NRArenaItem *child = group->children; child != NULL; child = child->next) {
nr_return_if_fail(NR_IS_ARENA_GLYPHS(child));
nr_arena_glyphs_set_style(NR_ARENA_GLYPHS(child), sg->style);
}
nr_arena_item_request_update(NR_ARENA_ITEM(sg), NR_ARENA_ITEM_STATE_ALL, FALSE);
}
void
nr_arena_glyphs_group_set_paintbox(NRArenaGlyphsGroup *gg, NRRect const *pbox)
{
nr_return_if_fail(gg != NULL);
nr_return_if_fail(NR_IS_ARENA_GLYPHS_GROUP(gg));
nr_return_if_fail(pbox != NULL);
if ((pbox->x0 < pbox->x1) && (pbox->y0 < pbox->y1)) {
gg->paintbox.x0 = pbox->x0;
gg->paintbox.y0 = pbox->y0;
gg->paintbox.x1 = pbox->x1;
gg->paintbox.y1 = pbox->y1;
} else {
/* fixme: We kill warning, although not sure what to do here (Lauris) */
gg->paintbox.x0 = gg->paintbox.y0 = 0.0F;
gg->paintbox.x1 = gg->paintbox.y1 = 256.0F;
}
nr_arena_item_request_update(NR_ARENA_ITEM(gg), NR_ARENA_ITEM_STATE_ALL, FALSE);
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :