8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#define PANGO_ENABLE_ENGINE

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifdef HAVE_CONFIG_H

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster# include "config.h"

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include <ft2build.h>

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include FT_OUTLINE_H

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include FT_BBOX_H

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include FT_TRUETYPE_TAGS_H

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include FT_TRUETYPE_TABLES_H

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include <pango/pangoft2.h>

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include <2geom/pathvector.h>

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include <2geom/path-sink.h>

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include "libnrtype/font-glyph.h"

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include "libnrtype/font-instance.h"

c3299845f8822f637c7ff3455a52bcf249597158Sachiko Wallace#include "livarot/Path.h"

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#include "util/unordered-containers.h"

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstruct font_style_hash : public std::unary_function<font_style, size_t> {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster size_t operator()(font_style const &x) const;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster};

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstruct font_style_equal : public std::binary_function<font_style, font_style, bool> {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster bool operator()(font_style const &a, font_style const &b) const;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster};

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstatic const double STROKE_WIDTH_THREASHOLD = 0.01;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

f6d3e8d6653f14cfd38ebbbeac75a12a8536f0c7James Phillpotts

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fostersize_t font_style_hash::operator()(const font_style &x) const {

f6d3e8d6653f14cfd38ebbbeac75a12a8536f0c7James Phillpotts int h = 0;

669362f1b4a40a59cfe461728c8765dbdf63159fPhill Cunnington int n = static_cast<int>(floor(100 * x.stroke_width));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h *= 12186;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h += n;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n = (x.vertical) ? 1:0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h *= 12186;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h += n;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( x.stroke_width >= STROKE_WIDTH_THREASHOLD ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n = x.stroke_cap * 10 + x.stroke_join + static_cast<int>(x.stroke_miter_limit * 100);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h *= 12186;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h += n;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( x.nbDash > 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n = x.nbDash;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h *= 12186;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h += n;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n = static_cast<int>(floor(100 * x.dash_offset));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h *= 12186;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h += n;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster for (int i = 0; i < x.nbDash; i++) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n = static_cast<int>(floor(100 * x.dashes[i]));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h *= 12186;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster h += n;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return h;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterbool font_style_equal::operator()(const font_style &a,const font_style &b) const {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster bool same = true;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster for (int i = 0; (i < 6) && same; i++) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster same = ( static_cast<int>(100 * a.transform[i]) == static_cast<int>(100 * b.transform[i]) );

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster same &= ( a.vertical == b.vertical )

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster && ( a.stroke_width > STROKE_WIDTH_THREASHOLD ) == ( b.stroke_width > STROKE_WIDTH_THREASHOLD );

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( same && ( a.stroke_width > STROKE_WIDTH_THREASHOLD ) ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster same = ( a.stroke_cap == b.stroke_cap )

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster && ( a.stroke_join == b.stroke_join )

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster && ( static_cast<int>(a.stroke_miter_limit * 100) == static_cast<int>(b.stroke_miter_limit * 100) )

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster && ( a.nbDash == b.nbDash );

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( same && ( a.nbDash > 0 ) ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster same = ( static_cast<int>(floor(100 * a.dash_offset)) == static_cast<int>(floor(100 * b.dash_offset)) );

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster for (int i = 0; (i < a.nbDash) && same; i++) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster same = ( static_cast<int>(floor(100 * a.dashes[i])) == static_cast<int>(floor(100 * b.dashes[i])) );

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return same;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifndef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstruct FT2GeomData {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FT2GeomData(Geom::PathBuilder &b, double s)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster : builder(b)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster , last(0, 0)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster , scale(s)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster {}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::PathBuilder &builder;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point last;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster double scale;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster};

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#if FREETYPE_MAJOR == 2 && FREETYPE_MINOR >= 2

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fostertypedef FT_Vector const FREETYPE_VECTOR;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#else

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fostertypedef FT_Vector FREETYPE_VECTOR;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstatic int ft2_move_to(FREETYPE_VECTOR *to, void * i_user)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FT2GeomData *user = (FT2GeomData*)i_user;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point p(to->x, to->y);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // printf("m t=%f %f\n",p[0],p[1]);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster user->builder.moveTo(p * user->scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster user->last = p;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstatic int ft2_line_to(FREETYPE_VECTOR *to, void *i_user)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FT2GeomData *user = (FT2GeomData*)i_user;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point p(to->x, to->y);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // printf("l t=%f %f\n",p[0],p[1]);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster user->builder.lineTo(p * user->scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster user->last = p;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstatic int ft2_conic_to(FREETYPE_VECTOR *control, FREETYPE_VECTOR *to, void *i_user)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FT2GeomData *user = (FT2GeomData*)i_user;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point p(to->x, to->y), c(control->x, control->y);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster user->builder.quadTo(c * user->scale, p * user->scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // printf("b c=%f %f t=%f %f\n",c[0],c[1],p[0],p[1]);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster user->last = p;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstatic int ft2_cubic_to(FREETYPE_VECTOR *control1, FREETYPE_VECTOR *control2, FREETYPE_VECTOR *to, void *i_user)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FT2GeomData *user = (FT2GeomData*)i_user;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point p(to->x, to->y);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point c1(control1->x, control1->y);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point c2(control2->x, control2->y);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // printf("c c1=%f %f c2=%f %f t=%f %f\n",c1[0],c1[1],c2[0],c2[1],p[0],p[1]);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster //user->theP->CubicTo(p,3*(c1-user->last),3*(p-c2));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster user->builder.curveTo(c1 * user->scale, c2 * user->scale, p * user->scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster user->last = p;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterfont_instance::font_instance(void) :

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pFont(0),

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster descr(0),

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster refCount(0),

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster daddy(0),

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster nbGlyph(0),

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster maxGlyph(0),

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster glyphs(0),

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster theFace(0)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster //printf("font instance born\n");

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterfont_instance::~font_instance(void)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( daddy ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster daddy->UnrefFace(this);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster daddy = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster //printf("font instance death\n");

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( pFont ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FreeTheFace();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster g_object_unref(pFont);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pFont = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( descr ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pango_font_description_free(descr);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster descr = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // if ( theFace ) FT_Done_Face(theFace); // owned by pFont. don't touch

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster theFace = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster for (int i=0;i<nbGlyph;i++) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( glyphs[i].pathvector ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster delete glyphs[i].pathvector;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( glyphs ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster free(glyphs);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster glyphs = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster nbGlyph = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster maxGlyph = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fostervoid font_instance::Ref(void)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster refCount++;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster //char *tc=pango_font_description_to_string(descr);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster //printf("font %x %s ref'd %i\n",this,tc,refCount);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster //free(tc);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fostervoid font_instance::Unref(void)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster refCount--;

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts //char *tc=pango_font_description_to_string(descr);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster //printf("font %x %s unref'd %i\n",this,tc,refCount);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster //free(tc);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( refCount <= 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster delete this;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterunsigned int font_instance::Name(gchar *str, unsigned int size)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return Attribute("name", str, size);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterunsigned int font_instance::Family(gchar *str, unsigned int size)

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return Attribute("family", str, size);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterunsigned int font_instance::PSName(gchar *str, unsigned int size)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return Attribute("psname", str, size);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterunsigned int font_instance::Attribute(const gchar *key, gchar *str, unsigned int size)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( descr == NULL ) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts if ( size > 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster str[0]=0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster char* res=NULL;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster bool free_res=false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( strcmp(key,"name") == 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster PangoFontDescription* td=pango_font_description_copy(descr);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pango_font_description_unset_fields (td, PANGO_FONT_MASK_SIZE);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=pango_font_description_to_string (td);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pango_font_description_free(td);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster free_res=true;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( strcmp(key,"psname") == 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifndef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res = (char *) FT_Get_Postscript_Name (theFace); // that's the main method, seems to always work

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster free_res=false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (res == NULL) { // a very limited workaround, only bold, italic, and oblique will work

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster PangoStyle style=pango_font_description_get_style(descr);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster bool i = (style == PANGO_STYLE_ITALIC);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster bool o = (style == PANGO_STYLE_OBLIQUE);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster PangoWeight weight=pango_font_description_get_weight(descr);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster bool b = (weight >= PANGO_WEIGHT_BOLD);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res = g_strdup_printf ("%s%s%s%s",

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster sp_font_description_get_family(descr),

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster (b || i || o) ? "-" : "",

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster (b) ? "Bold" : "",

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster (i) ? "Italic" : ((o) ? "Oblique" : "") );

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster free_res = true;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( strcmp(key,"family") == 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)sp_font_description_get_family(descr);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster free_res=false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( strcmp(key,"style") == 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster PangoStyle v=pango_font_description_get_style(descr);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( v == PANGO_STYLE_ITALIC ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"italic";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( v == PANGO_STYLE_OBLIQUE ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"oblique";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"normal";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster free_res=false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( strcmp(key,"weight") == 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster PangoWeight v=pango_font_description_get_weight(descr);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( v <= PANGO_WEIGHT_THIN ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"100";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( v <= PANGO_WEIGHT_ULTRALIGHT ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"200";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( v <= PANGO_WEIGHT_LIGHT ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"300";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( v <= PANGO_WEIGHT_BOOK ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"380";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( v <= PANGO_WEIGHT_NORMAL ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"normal";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( v <= PANGO_WEIGHT_MEDIUM ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"500";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( v <= PANGO_WEIGHT_SEMIBOLD ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"600";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( v <= PANGO_WEIGHT_BOLD ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"bold";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( v <= PANGO_WEIGHT_ULTRABOLD ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"800";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else { // HEAVY NB: Pango defines ULTRAHEAVY = 1000 but not CSS2

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"900";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster free_res=false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( strcmp(key,"stretch") == 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster PangoStretch v=pango_font_description_get_stretch(descr);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( v <= PANGO_STRETCH_EXTRA_CONDENSED ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"extra-condensed";

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( v <= PANGO_STRETCH_CONDENSED ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res=(char*)"condensed";

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts } else if ( v <= PANGO_STRETCH_SEMI_CONDENSED ) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts res=(char*)"semi-condensed";

f6d3e8d6653f14cfd38ebbbeac75a12a8536f0c7James Phillpotts } else if ( v <= PANGO_STRETCH_NORMAL ) {

f6d3e8d6653f14cfd38ebbbeac75a12a8536f0c7James Phillpotts res=(char*)"normal";

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts } else if ( v <= PANGO_STRETCH_SEMI_EXPANDED ) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts res=(char*)"semi-expanded";

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts } else if ( v <= PANGO_STRETCH_EXPANDED ) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts res=(char*)"expanded";

a2b64c9e3378d4d0127e550f5d19286f37d42011James Phillpotts } else {

a2b64c9e3378d4d0127e550f5d19286f37d42011James Phillpotts res=(char*)"extra-expanded";

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts }

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts free_res=false;

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts } else if ( strcmp(key,"variant") == 0 ) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts PangoVariant v=pango_font_description_get_variant(descr);

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts if ( v == PANGO_VARIANT_SMALL_CAPS ) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts res=(char*)"small-caps";

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts } else {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts res=(char*)"normal";

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts }

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts free_res=false;

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts } else {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts res = NULL;

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts free_res=false;

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts }

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts if ( res == NULL ) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts if ( size > 0 ) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts str[0] = 0;

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts }

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts return 0;

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts }

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts if (res) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts unsigned int len=strlen(res);

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts unsigned int rlen=(size-1<len)?size-1:len;

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts if ( str ) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts if ( rlen > 0 ) {

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts memcpy(str, res, rlen);

d135fba117a27e6d0de2f5518a274bba4c0a38efJames Phillpotts }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( size > 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster str[rlen] = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (free_res) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster g_free(res);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return len;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fostervoid font_instance::InitTheFace()

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (theFace == NULL && pFont != NULL) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifdef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( !theFace ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster LOGFONT *lf=pango_win32_font_logfont(pFont);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster g_assert(lf != NULL);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster theFace=pango_win32_font_cache_load(daddy->pangoFontCache,lf);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster g_free(lf);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster XFORM identity = {1.0, 0.0, 0.0, 1.0, 0.0, 0.0};

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster SetWorldTransform(daddy->hScreenDC, &identity);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster SetGraphicsMode(daddy->hScreenDC, GM_COMPATIBLE);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster SelectObject(daddy->hScreenDC,theFace);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#else

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster theFace=pango_fc_font_lock_face(PANGO_FC_FONT(pFont));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( theFace ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FT_Select_Charmap(theFace,ft_encoding_unicode) && FT_Select_Charmap(theFace,ft_encoding_symbol);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fostervoid font_instance::FreeTheFace()

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifdef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster SelectObject(daddy->hScreenDC,GetStockObject(SYSTEM_FONT));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pango_win32_font_cache_unload(daddy->pangoFontCache,theFace);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#else

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pango_fc_font_unlock_face(PANGO_FC_FONT(pFont));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster theFace=NULL;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fostervoid font_instance::InstallFace(PangoFont* iFace)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( !iFace ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pFont=iFace;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster iFace = NULL;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster InitTheFace();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( pFont && IsOutlineFont() == false ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FreeTheFace();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( pFont ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster g_object_unref(pFont);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pFont=NULL;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterbool font_instance::IsOutlineFont(void)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( pFont == NULL ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster InitTheFace();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifdef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster TEXTMETRIC tm;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return GetTextMetrics(daddy->hScreenDC,&tm) && tm.tmPitchAndFamily&(TMPF_TRUETYPE|TMPF_DEVICE);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#else

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return FT_IS_SCALABLE(theFace);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterint font_instance::MapUnicodeChar(gunichar c)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster int res = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( pFont ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifdef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res = pango_win32_font_get_glyph_index(pFont, c);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#else

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster theFace = pango_fc_font_lock_face(PANGO_FC_FONT(pFont));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( c > 0xf0000 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res = CLAMP(c, 0xf0000, 0x1fffff) - 0xf0000;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster res = FT_Get_Char_Index(theFace, c);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pango_fc_font_unlock_face(PANGO_FC_FONT(pFont));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return res;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifdef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterstatic inline Geom::Point pointfx_to_nrpoint(const POINTFX &p, double scale)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return Geom::Point(*(long*)&p.x / 65536.0 * scale,

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster *(long*)&p.y / 65536.0 * scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fostervoid font_instance::LoadGlyph(int glyph_id)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( pFont == NULL ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster InitTheFace();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifndef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( !FT_IS_SCALABLE(theFace) ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return; // bitmap font

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::PathBuilder path_builder;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( nbGlyph >= maxGlyph ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster maxGlyph=2*nbGlyph+1;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster glyphs=(font_glyph*)realloc(glyphs,maxGlyph*sizeof(font_glyph));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster font_glyph n_g;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.pathvector=NULL;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.bbox[0]=n_g.bbox[1]=n_g.bbox[2]=n_g.bbox[3]=0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.h_advance = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.v_advance = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.h_width = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.v_width = 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster bool doAdd=false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifdef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifndef GGO_UNHINTED // For compatibility with old SDKs.

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#define GGO_UNHINTED 0x0100

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster MAT2 identity = {{0,1},{0,0},{0,0},{0,1}};

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster OUTLINETEXTMETRIC otm;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster GetOutlineTextMetrics(daddy->hScreenDC, sizeof(otm), &otm);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster GLYPHMETRICS metrics;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster DWORD bufferSize=GetGlyphOutline (daddy->hScreenDC, glyph_id, GGO_GLYPH_INDEX | GGO_NATIVE | GGO_UNHINTED, &metrics, 0, NULL, &identity);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster double scale=1.0/daddy->fontSize;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.h_advance=metrics.gmCellIncX*scale;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.v_advance=otm.otmTextMetrics.tmHeight*scale;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.h_width=metrics.gmBlackBoxX*scale;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.v_width=metrics.gmBlackBoxY*scale;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( bufferSize == GDI_ERROR) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // shit happened

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else if ( bufferSize == 0) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // character has no visual representation, but is valid (eg whitespace)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster doAdd=true;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster char *buffer = new char[bufferSize];

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( GetGlyphOutline (daddy->hScreenDC, glyph_id, GGO_GLYPH_INDEX | GGO_NATIVE | GGO_UNHINTED, &metrics, bufferSize, buffer, &identity) <= 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // shit happened

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // Platform SDK is rubbish, read KB87115 instead

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster DWORD polyOffset=0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster while ( polyOffset < bufferSize ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster TTPOLYGONHEADER const *polyHeader=(TTPOLYGONHEADER const *)(buffer+polyOffset);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (polyOffset+polyHeader->cb > bufferSize) break;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (polyHeader->dwType == TT_POLYGON_TYPE) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster path_builder.moveTo(pointfx_to_nrpoint(polyHeader->pfxStart, scale));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster DWORD curveOffset=polyOffset+sizeof(TTPOLYGONHEADER);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster while ( curveOffset < polyOffset+polyHeader->cb ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster TTPOLYCURVE const *polyCurve=(TTPOLYCURVE const *)(buffer+curveOffset);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster POINTFX const *p=polyCurve->apfx;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster POINTFX const *endp=p+polyCurve->cpfx;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster switch (polyCurve->wType) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster case TT_PRIM_LINE:

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster while ( p != endp )

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster path_builder.lineTo(pointfx_to_nrpoint(*p++, scale));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster break;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster case TT_PRIM_QSPLINE:

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster g_assert(polyCurve->cpfx >= 2);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // The list of points specifies one or more control points and ends with the end point.

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // The intermediate points (on the curve) are the points between the control points.

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point this_control = pointfx_to_nrpoint(*p++, scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster while ( p+1 != endp ) { // Process all "midpoints" (all points except the last)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point new_control = pointfx_to_nrpoint(*p++, scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster path_builder.quadTo(this_control, (new_control+this_control)/2);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster this_control = new_control;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point end = pointfx_to_nrpoint(*p++, scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster path_builder.quadTo(this_control, end);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster break;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster case 3: // TT_PRIM_CSPLINE

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster g_assert(polyCurve->cpfx % 3 == 0);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster while ( p != endp ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster path_builder.curveTo(pointfx_to_nrpoint(p[0], scale),

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pointfx_to_nrpoint(p[1], scale),

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster pointfx_to_nrpoint(p[2], scale));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster p += 3;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster break;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster curveOffset += sizeof(TTPOLYCURVE)+sizeof(POINTFX)*(polyCurve->cpfx-1);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster polyOffset += polyHeader->cb;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster doAdd=true;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster delete [] buffer;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#else

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (FT_Load_Glyph (theFace, glyph_id, FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING | FT_LOAD_NO_BITMAP)) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // shit happened

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( FT_HAS_HORIZONTAL(theFace) ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.h_advance=((double)theFace->glyph->metrics.horiAdvance)/((double)theFace->units_per_EM);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.h_width=((double)theFace->glyph->metrics.width)/((double)theFace->units_per_EM);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.h_width=n_g.h_advance=((double)(theFace->bbox.xMax-theFace->bbox.xMin))/((double)theFace->units_per_EM);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( FT_HAS_VERTICAL(theFace) ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.v_advance=((double)theFace->glyph->metrics.vertAdvance)/((double)theFace->units_per_EM);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.v_width=((double)theFace->glyph->metrics.height)/((double)theFace->units_per_EM);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.v_width=n_g.v_advance=((double)theFace->height)/((double)theFace->units_per_EM);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( theFace->glyph->format == ft_glyph_format_outline ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FT_Outline_Funcs ft2_outline_funcs = {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster ft2_move_to,

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster ft2_line_to,

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster ft2_conic_to,

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster ft2_cubic_to,

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster 0, 0

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster };

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FT2GeomData user(path_builder, 1.0/((double)theFace->units_per_EM));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster FT_Outline_Decompose (&theFace->glyph->outline, &ft2_outline_funcs, &user);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster doAdd=true;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster path_builder.flush();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( doAdd ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::PathVector pv = path_builder.peek();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // close all paths

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster for (Geom::PathVector::iterator i = pv.begin(); i != pv.end(); ++i) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster i->close();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( !pv.empty() ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.pathvector = new Geom::PathVector(pv);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::OptRect bounds = bounds_exact(*n_g.pathvector);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (bounds) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.bbox[0] = bounds->left();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.bbox[1] = bounds->top();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.bbox[2] = bounds->right();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster n_g.bbox[3] = bounds->bottom();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster glyphs[nbGlyph]=n_g;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster id_to_no[glyph_id]=nbGlyph;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster nbGlyph++;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterbool font_instance::FontMetrics(double &ascent,double &descent,double &leading)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( pFont == NULL ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster InitTheFace();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( theFace == NULL ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifdef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster OUTLINETEXTMETRIC otm;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( !GetOutlineTextMetrics(daddy->hScreenDC,sizeof(otm),&otm) ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster double scale=1.0/daddy->fontSize;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster ascent=fabs(otm.otmAscent*scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster descent=fabs(otm.otmDescent*scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster leading=fabs(otm.otmLineGap*scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster //otmSubscriptSize, otmSubscriptOffset, otmSuperscriptSize, otmSuperscriptOffset,

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#else

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( theFace->units_per_EM == 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false; // bitmap font

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster ascent=fabs(((double)theFace->ascender)/((double)theFace->units_per_EM));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster descent=fabs(((double)theFace->descender)/((double)theFace->units_per_EM));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster leading=fabs(((double)theFace->height)/((double)theFace->units_per_EM));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster leading-=ascent+descent;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return true;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterbool font_instance::FontDecoration(

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster double &underline_position, double &underline_thickness,

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster double &linethrough_position, double &linethrough_thickness

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster){

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( pFont == NULL ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster InitTheFace();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( theFace == NULL ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifdef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster OUTLINETEXTMETRIC otm;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( !GetOutlineTextMetrics(daddy->hScreenDC,sizeof(otm),&otm) ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster double scale=1.0/daddy->fontSize;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster underline_position = fabs(otm.otmUnderscorePosition *scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster underline_thickness = fabs(otm.otmUnderscoreSize *scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster linethrough_position = fabs(otm.otmStrikeoutPosition *scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster linethrough_thickness = fabs(otm.otmStrikeoutSize *scale);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#else

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( theFace->units_per_EM == 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false; // bitmap font

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster underline_position = fabs(((double)theFace->underline_position )/((double)theFace->units_per_EM));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster underline_thickness = fabs(((double)theFace->underline_thickness)/((double)theFace->units_per_EM));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // there is no specific linethrough information, mock it up from other font fields

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster linethrough_position = fabs(((double)theFace->ascender / 3.0 )/((double)theFace->units_per_EM));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster linethrough_thickness = fabs(((double)theFace->underline_thickness)/((double)theFace->units_per_EM));

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return true;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterbool font_instance::FontSlope(double &run, double &rise)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster run = 0.0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster rise = 1.0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( pFont == NULL ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster InitTheFace();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( theFace == NULL ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#ifdef USE_PANGO_WIN32

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster OUTLINETEXTMETRIC otm;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( !GetOutlineTextMetrics(daddy->hScreenDC,sizeof(otm),&otm) ) return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster run=otm.otmsCharSlopeRun;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster rise=otm.otmsCharSlopeRise;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#else

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( !FT_IS_SCALABLE(theFace) ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false; // bitmap font

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster TT_HoriHeader *hhea = (TT_HoriHeader*)FT_Get_Sfnt_Table(theFace, ft_sfnt_hhea);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if (hhea == NULL) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return false;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster run = hhea->caret_Slope_Run;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster rise = hhea->caret_Slope_Rise;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster#endif

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return true;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan FosterGeom::OptRect font_instance::BBox(int glyph_id)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster int no = -1;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster LoadGlyph(glyph_id);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // didn't load

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster no = id_to_no[glyph_id];

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster no = id_to_no[glyph_id];

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( no < 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return Geom::OptRect();

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point rmin(glyphs[no].bbox[0],glyphs[no].bbox[1]);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster Geom::Point rmax(glyphs[no].bbox[2],glyphs[no].bbox[3]);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return Geom::Rect(rmin, rmax);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan FosterGeom::PathVector* font_instance::PathVector(int glyph_id)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster int no = -1;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster LoadGlyph(glyph_id);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // didn't load

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster no = id_to_no[glyph_id];

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster no = id_to_no[glyph_id];

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( no < 0 ) return NULL;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return glyphs[no].pathvector;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Fosterdouble font_instance::Advance(int glyph_id,bool vertical)

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster{

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster int no = -1;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster LoadGlyph(glyph_id);

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster // didn't load

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster no=id_to_no[glyph_id];

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster no = id_to_no[glyph_id];

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( no >= 0 ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster if ( vertical ) {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return glyphs[no].v_advance;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster } else {

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return glyphs[no].h_advance;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster }

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster return 0;

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster}

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster

8af80418ba1ec431c8027fa9668e5678658d3611Allan Foster