along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
-#ifdef USE_FREETYPE
+#include <stdio.h>
+#include <stdlib.h>
+#include "../rfxswf.h"
+static int loadfont_scale = 4;
+static int skip_unused = 1;
+static int full_unicode = 0;
+
+void swf_SetLoadFontParameters(int _scale, int _skip_unused, int _full_unicode)
+{
+ if(_scale) loadfont_scale = _scale;
+ skip_unused = _skip_unused;
+ full_unicode = _full_unicode;
+}
+
+#ifdef HAVE_FREETYPE
+
+#ifdef HAVE_FT2BUILD_H
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include FT_GLYPH_H
+#include FT_SIZES_H
+#include FT_SFNT_NAMES_H
+#include FT_TRUETYPE_IDS_H
+#include FT_OUTLINE_H
+#else
#include <freetype/freetype.h>
#include <freetype/ftglyph.h>
+#include <freetype/ftsizes.h>
#include <freetype/ftsnames.h>
#include <freetype/ttnameid.h>
#include <freetype/ftoutln.h>
+#endif
+
+/* Setting subpixels to 64 also means that the "point size" of the
+ font outlines will be 64. So the font, when rendered at original
+ size (i.e., the swf fontsize is 1024) will have the same size as
+ if it was rendered at 64pt */
#define FT_SCALE 1
#define FT_SUBPIXELS 64
-static int ft_move_to(FT_Vector* _to, void* user)
+static int ft_move_to(const FT_Vector* _to, void* user)
{
drawer_t* draw = (drawer_t*)user;
FPOINT to;
draw->moveTo(draw, &to);
return 0;
}
-static int ft_line_to(FT_Vector* _to, void* user)
+static int ft_line_to(const FT_Vector* _to, void* user)
{
drawer_t* draw = (drawer_t*)user;
FPOINT to;
draw->lineTo(draw, &to);
return 0;
}
-static int ft_cubic_to(FT_Vector* _c1, FT_Vector* _c2, FT_Vector* _to, void* user)
+static int ft_conic_to(const FT_Vector* _c, const FT_Vector* _to, void* user)
{
drawer_t* draw = (drawer_t*)user;
- FPOINT c1,c2,to;
+ FPOINT c,to;
to.x = _to->x*FT_SCALE/(float)FT_SUBPIXELS;
to.y = -_to->y*FT_SCALE/(float)FT_SUBPIXELS;
- c1.x = _c1->x*FT_SCALE/(float)FT_SUBPIXELS;
- c1.y = -_c1->y*FT_SCALE/(float)FT_SUBPIXELS;
- c2.x = _c2->x*FT_SCALE/(float)FT_SUBPIXELS;
- c2.y = -_c2->y*FT_SCALE/(float)FT_SUBPIXELS;
- draw_cubicTo(draw, &c1, &c2, &to);
+ c.x = _c->x*FT_SCALE/(float)FT_SUBPIXELS;
+ c.y = -_c->y*FT_SCALE/(float)FT_SUBPIXELS;
+ draw_conicTo(draw, &c, &to);
return 0;
}
-static int ft_conic_to(FT_Vector* _c, FT_Vector* _to, void* user)
+static int ft_cubic_to(const FT_Vector* _c1, const FT_Vector* _c2, const FT_Vector* _to, void* user)
{
drawer_t* draw = (drawer_t*)user;
- FPOINT c,to;
+ FPOINT c1,c2,to;
to.x = _to->x*FT_SCALE/(float)FT_SUBPIXELS;
to.y = -_to->y*FT_SCALE/(float)FT_SUBPIXELS;
- c.x = _c->x*FT_SCALE/(float)FT_SUBPIXELS;
- c.y = -_c->y*FT_SCALE/(float)FT_SUBPIXELS;
- draw_conicTo(draw, &c, &to);
+ c1.x = _c1->x*FT_SCALE/(float)FT_SUBPIXELS;
+ c1.y = -_c1->y*FT_SCALE/(float)FT_SUBPIXELS;
+ c2.x = _c2->x*FT_SCALE/(float)FT_SUBPIXELS;
+ c2.y = -_c2->y*FT_SCALE/(float)FT_SUBPIXELS;
+ draw_cubicTo(draw, &c1, &c2, &to);
return 0;
}
static FT_Outline_Funcs outline_functions =
static FT_Library ftlibrary = 0;
-SWFFONT* swf_LoadTrueTypeFont(char*filename)
+SWFFONT* swf_LoadTrueTypeFont(const char*filename, char flashtype)
{
FT_Face face;
FT_Error error;
FT_UInt gindex;
SWFFONT* font;
int t;
-
+ int*glyph2glyph;
+ int max_unicode = 0;
+ int charmap = -1;
+
if(ftlibrary == 0) {
if(FT_Init_FreeType(&ftlibrary)) {
fprintf(stderr, "Couldn't init freetype library!\n");
}
}
error = FT_New_Face(ftlibrary, filename, 0, &face);
- if(error) {
+
+ if(error || !face) {
fprintf(stderr, "Couldn't load file %s- not a TTF file?\n", filename);
return 0;
}
- if(face->num_glyphs <= 0)
+
+ int scale = flashtype?20:1;
+ FT_Set_Pixel_Sizes (face, 16*loadfont_scale*scale, 16*loadfont_scale*scale);
+
+ if(face->num_glyphs <= 0) {
+ fprintf(stderr, "File %s contains %d glyphs\n", filename, (int)face->num_glyphs);
return 0;
+ }
- font = malloc(sizeof(SWFFONT));
- memset(font, 0, sizeof(SWFFONT));
+ font = (SWFFONT*)rfx_calloc(sizeof(SWFFONT));
font->id = -1;
- font->version = 2;
- font->layout = malloc(sizeof(SWFLAYOUT));
- memset(font->layout, 0, sizeof(SWFLAYOUT));
- font->layout->bounds = malloc(face->num_glyphs*sizeof(SRECT));
- font->numchars = face->num_glyphs;
+ font->version = flashtype?3:2;
+
+ font->layout = (SWFLAYOUT*)rfx_calloc(sizeof(SWFLAYOUT));
+ font->layout->bounds = (SRECT*)rfx_calloc(face->num_glyphs*sizeof(SRECT));
font->style = ((face->style_flags&FT_STYLE_FLAG_ITALIC)?FONT_STYLE_ITALIC:0)
|((face->style_flags&FT_STYLE_FLAG_BOLD)?FONT_STYLE_BOLD:0);
font->encoding = FONT_ENCODING_UNICODE;
- font->glyph2ascii = malloc(face->num_glyphs*sizeof(U16));
- memset(font->glyph2ascii, 0, face->num_glyphs*sizeof(U16));
+ font->glyph2ascii = (U16*)rfx_calloc(face->num_glyphs*sizeof(U16));
font->maxascii = 0;
- memset(font->ascii2glyph, -1, font->maxascii*sizeof(int));
- font->glyph = malloc(face->num_glyphs*sizeof(SWFGLYPH));
- memset(font->glyph, 0, face->num_glyphs*sizeof(U16));
+ font->glyph = (SWFGLYPH*)rfx_calloc(face->num_glyphs*sizeof(SWFGLYPH));
if(FT_HAS_GLYPH_NAMES(face)) {
- font->glyphnames = malloc(face->num_glyphs*sizeof(char*));
+ font->glyphnames = (char**)rfx_calloc(face->num_glyphs*sizeof(char*));
}
-
- font->layout->ascent = face->ascender; //face->bbox.xMin;
- font->layout->descent = face->descender; //face->bbox.xMax;
- font->layout->leading = -face->bbox.xMin;
+
font->layout->kerningcount = 0;
- name = FT_Get_Postscript_Name(face);
+ name = face->family_name;
+ if(!(name && *name))
+ name = FT_Get_Postscript_Name(face);
if(name && *name)
font->name = (U8*)strdup(name);
-/* // Map Glyphs to Unicode, version 1 (quick and dirty):
- int t;
- for(t=0;t<65536;t++) {
- int index = FT_Get_Char_Index(face, t);
- if(index>=0 && index<face->num_glyphs) {
- if(font->glyph2ascii[index]<0)
- font->glyph2ascii[index] = t;
- }
- }*/
-
- // Map Glyphs to Unicode, version 2 (much nicer):
- // (The third way would be the AGL algorithm, as proposed
- // by Werner Lemberg on freetype@freetype.org)
-
- charcode = FT_Get_First_Char(face, &gindex);
- while(gindex != 0)
+ while(1)
{
- if(gindex >= 0 && gindex<face->num_glyphs) {
- if(!font->glyph2ascii[gindex]) {
- font->glyph2ascii[gindex] = charcode;
- if(charcode + 1 > font->maxascii) {
- font->maxascii = charcode + 1;
+ /* // Map Glyphs to Unicode, version 1 (quick and dirty):
+ int t;
+ for(t=0;t<65536;t++) {
+ int index = FT_Get_Char_Index(face, t);
+ if(index>=0 && index<face->num_glyphs) {
+ if(font->glyph2ascii[index]<0)
+ font->glyph2ascii[index] = t;
+ }
+ }*/
+
+ // Map Glyphs to Unicode, version 2 (much nicer):
+ // (The third way would be the AGL algorithm, as proposed
+ // by Werner Lemberg on freetype@freetype.org)
+
+ charcode = FT_Get_First_Char(face, &gindex);
+ while(gindex != 0)
+ {
+ if(gindex >= 0 && gindex<face->num_glyphs) {
+ if(!font->glyph2ascii[gindex]) {
+ font->glyph2ascii[gindex] = charcode;
+ if(charcode + 1 > font->maxascii) {
+ font->maxascii = charcode + 1;
+ }
}
}
+ charcode = FT_Get_Next_Char(face, charcode, &gindex);
}
- charcode = FT_Get_Next_Char(face, charcode, &gindex);
+
+ /* if we didn't find a single encoding character, try
+ the font's charmaps instead. That usually means that
+ the encoding is no longer unicode.
+ TODO: find a way to convert the encoding to unicode
+ */
+ if(font->maxascii == 0 && charmap < face->num_charmaps - 1) {
+ charmap++;
+ FT_Set_Charmap(face, face->charmaps[charmap]);
+ font->encoding = 0;//anything but unicode FIXME
+ } else
+ break;
}
+
+ if(full_unicode)
+ font->maxascii = 65535;
- font->ascii2glyph = malloc(font->maxascii*sizeof(int));
+ font->ascii2glyph = (int*)rfx_calloc(font->maxascii*sizeof(int));
for(t=0;t<font->maxascii;t++) {
- font->ascii2glyph[t] = FT_Get_Char_Index(face, t);
- if(!font->ascii2glyph[t])
- font->ascii2glyph[t] = -1;
+ int g = FT_Get_Char_Index(face, t);
+ if(!g || g>=face->num_glyphs)
+ g = -1;
+ font->ascii2glyph[t] = g;
+ if(g>=0) {
+ max_unicode = t+1;
+ if(!font->glyph2ascii[g]) {
+ font->glyph2ascii[g] = t;
+ }
+ }
}
+ font->maxascii = max_unicode;
+
+ font->numchars = 0;
+
+ glyph2glyph = (int*)rfx_calloc(face->num_glyphs*sizeof(int));
+
+ SRECT fontbbox = {0,0,0,0};
for(t=0; t < face->num_glyphs; t++) {
FT_Glyph glyph;
FT_BBox bbox;
- FT_Matrix matrix;
char name[128];
drawer_t draw;
- int ret;
+ char hasname = 0;
name[0]=0;
if(FT_HAS_GLYPH_NAMES(face)) {
error = FT_Get_Glyph_Name(face, t, name, 127);
- if(!error)
- font->glyphnames[t] = strdup(name);
+ if(!error && name[0] && !strstr(name, "notdef")) {
+ font->glyphnames[font->numchars] = strdup(name);
+ hasname = 1;
+ }
+ }
+ if(!font->glyph2ascii[t] && !hasname && skip_unused) {
+ continue;
+ }
+ error = FT_Load_Glyph(face, t, FT_LOAD_NO_BITMAP);
+ if(error) {
+ //tends to happen with some pdfs
+ fprintf(stderr, "Warning: Glyph %d has return code %d\n", t, error);
+ glyph=0;
+ if(skip_unused)
+ continue;
+ } else {
+ error = FT_Get_Glyph(face->glyph, &glyph);
+ if(error) {
+ fprintf(stderr, "Couldn't get glyph %d, error:%d\n", t, error);
+ glyph=0;
+ if(skip_unused)
+ continue;
+ }
}
- error = FT_Load_Glyph(face, t, FT_LOAD_NO_BITMAP|FT_LOAD_NO_SCALE);
- if(error) return 0;
- error = FT_Get_Glyph(face->glyph, &glyph);
- if(error) return 0;
- FT_Glyph_Get_CBox(glyph, ft_glyph_bbox_unscaled, &bbox);
+ if(glyph)
+ FT_Glyph_Get_CBox(glyph, ft_glyph_bbox_unscaled, &bbox);
+ else
+ memset(&bbox, 0, sizeof(bbox));
+
bbox.yMin = -bbox.yMin;
bbox.yMax = -bbox.yMax;
if(bbox.xMax < bbox.xMin) {
swf_Shape01DrawerInit(&draw, 0);
//error = FT_Outline_Decompose(&face->glyph->outline, &outline_functions, &draw);
- error = FT_Outline_Decompose(&face->glyph->outline, &outline_functions, &draw);
- if(error) return 0;
-
+ if(glyph)
+ error = FT_Outline_Decompose(&face->glyph->outline, &outline_functions, &draw);
+ else
+ error = 0;
draw.finish(&draw);
+
+ if(error) {
+ fprintf(stderr, "Couldn't decompose glyph %d\n", t);
+ draw.dealloc(&draw);
+ continue;
+ }
#if 0
if(bbox.xMin > 0) {
- font->glyph[t].advance = (bbox.xMax*FT_SCALE)/FT_SUBPIXELS;
+ font->glyph[font->numchars].advance = (bbox.xMax*20*FT_SCALE)/FT_SUBPIXELS;
} else {
- font->glyph[t].advance = ((bbox.xMax - bbox.xMin)*FT_SCALE)/FT_SUBPIXELS;
+ font->glyph[font->numchars].advance = ((bbox.xMax - bbox.xMin)*20*FT_SCALE)/FT_SUBPIXELS;
}
#else
- font->glyph[t].advance = glyph->advance.x/65536;
+ if(glyph)
+ font->glyph[font->numchars].advance = glyph->advance.x*20/65536;
+ else
+ font->glyph[font->numchars].advance = 0;
#endif
- font->glyph[t].shape = swf_ShapeDrawerToShape(&draw);
-
- font->layout->bounds[t].xmin = (bbox.xMin*FT_SCALE*20)/FT_SUBPIXELS;
- font->layout->bounds[t].ymin = (bbox.yMin*FT_SCALE*20)/FT_SUBPIXELS;
- font->layout->bounds[t].xmax = (bbox.xMax*FT_SCALE*20)/FT_SUBPIXELS;
- font->layout->bounds[t].ymax = (bbox.yMax*FT_SCALE*20)/FT_SUBPIXELS;
+ SRECT b = swf_ShapeDrawerGetBBox(&draw);
+
+ //font->layout->bounds[font->numchars].xmin = (bbox.xMin*FT_SCALE*20)/FT_SUBPIXELS;
+ //font->layout->bounds[font->numchars].ymin = (bbox.yMin*FT_SCALE*20)/FT_SUBPIXELS;
+ //font->layout->bounds[font->numchars].xmax = (bbox.xMax*FT_SCALE*20)/FT_SUBPIXELS;
+ //font->layout->bounds[font->numchars].ymax = (bbox.yMax*FT_SCALE*20)/FT_SUBPIXELS;
+
+ font->layout->bounds[font->numchars] = b;
+ font->glyph[font->numchars].shape = swf_ShapeDrawerToShape(&draw);
+
+ swf_ExpandRect2(&fontbbox, &font->layout->bounds[font->numchars]);
draw.dealloc(&draw);
- FT_Done_Glyph(glyph);
+ if(glyph)
+ FT_Done_Glyph(glyph);
+ font->glyph2ascii[font->numchars] = font->glyph2ascii[t];
+ glyph2glyph[t] = font->numchars;
+ font->numchars++;
}
+
+ //font->layout->ascent = abs(face->ascender)*FT_SCALE*loadfont_scale*20/FT_SUBPIXELS/2; //face->bbox.xMin;
+ //font->layout->descent = abs(face->descender)*FT_SCALE*loadfont_scale*20/FT_SUBPIXELS/2; //face->bbox.xMax;
+ //font->layout->leading = font->layout->ascent + font->layout->descent;
+
+ if(-fontbbox.ymin < 0)
+ font->layout->ascent = 0;
+ else
+ font->layout->ascent = -fontbbox.ymin;
+
+ if(fontbbox.ymax < 0)
+ font->layout->descent = 0;
+ else
+ font->layout->descent = fontbbox.ymax;
+
+ int leading = fontbbox.ymax - fontbbox.ymin;
+ font->layout->leading = leading>0x7fff?0x7fff:leading;
+
+ /* notice: if skip_unused is true, font->glyph2ascii, font->glyphnames and font->layout->bounds will
+ have more memory allocated than just font->numchars, but only the first font->numchars
+ are used/valid */
+
+ for(t=0;t<font->maxascii;t++) {
+ if(font->ascii2glyph[t]>=0) {
+ font->ascii2glyph[t] = glyph2glyph[font->ascii2glyph[t]];
+ }
+ }
+ rfx_free(glyph2glyph);
FT_Done_Face(face);
FT_Done_FreeType(ftlibrary);ftlibrary=0;
return font;
}
-#else //USE_FREETYPE
+#else //HAVE_FREETYPE
-SWFFONT* swf_LoadTrueTypeFont(char*filename)
+SWFFONT* swf_LoadTrueTypeFont(const char*filename, char flashtype)
{
fprintf(stderr, "Warning: no freetype library- not able to load %s\n", filename);
return 0;
static int t1lib_initialized = 0;
-SWFFONT* swf_LoadT1Font(char*filename)
+static int counter = 0;
+
+SWFFONT* swf_LoadT1Font(const char*filename)
{
SWFFONT * font;
int nr;
char*fontname,*fullname,*familyname;
BBox bbox;
int s,num;
- char*encoding[256];
char**charnames;
char**charname;
+ char*encoding[256];
int c;
+ int t;
if(!t1lib_initialized) {
T1_SetBitmapPad(16);
nr = T1_AddFont(filename);
T1_LoadFont(nr);
- num = T1_SetDefaultEncoding(encoding);
- for(;num<256;num++) encoding[num] = 0;
-
charnames = T1_GetAllCharNames(nr);
+ if(!charnames) {
+ fprintf(stderr, "No Charnames record- not a Type1 Font?\n");
+ return 0;
+ }
angle = T1_GetItalicAngle(nr);
fontname = T1_GetFontName(nr);
underline = T1_GetUnderlinePosition(nr);
bbox = T1_GetFontBBox(nr);
- font = (SWFFONT*)malloc(sizeof(SWFFONT));
- memset(font, 0, sizeof(SWFFONT));
+ font = (SWFFONT*)rfx_calloc(sizeof(SWFFONT));
font->version = 2;
- font->name = (U8*)strdup(fontname);
- font->layout = (SWFLAYOUT*)malloc(sizeof(SWFLAYOUT));
- memset(font->layout, 0, sizeof(SWFLAYOUT));
+ if(fontname)
+ font->name = (U8*)strdup(fontname);
+ else
+ font->name = 0;
+ font->layout = (SWFLAYOUT*)rfx_calloc(sizeof(SWFLAYOUT));
num = 0;
charname = charnames;
while(*charname) {
charname++;
+ if(num<256) {
+ if(*charname) encoding[num] = strdup(*charname);
+ else encoding[num] = strdup(".notdef");
+ }
num++;
}
+ for(t=num;t<256;t++)
+ encoding[t] = strdup(".notdef");
+
+ //T1_ReencodeFont(nr, encoding);
font->maxascii = num;
font->numchars = num;
font->style = (/*bold*/0?FONT_STYLE_BOLD:0) + (angle>0.05?FONT_STYLE_ITALIC:0);
- font->glyph = (SWFGLYPH*)malloc(num*sizeof(SWFGLYPH));
- memset(font->glyph, 0, num*sizeof(SWFGLYPH));
- font->glyph2ascii = (U16*)malloc(num*sizeof(U16));
- memset(font->glyph2ascii, 0, num*sizeof(U16));
- font->ascii2glyph = (int*)malloc(font->maxascii*sizeof(int));
- memset(font->ascii2glyph, -1, font->maxascii*sizeof(int));
+ font->glyph = (SWFGLYPH*)rfx_calloc(num*sizeof(SWFGLYPH));
+ font->glyph2ascii = (U16*)rfx_calloc(num*sizeof(U16));
+ font->ascii2glyph = (int*)rfx_calloc(font->maxascii*sizeof(int));
font->layout->ascent = (U16)(underline - bbox.lly);
font->layout->descent = (U16)(bbox.ury - underline);
font->layout->leading = (U16)(font->layout->ascent -
font->layout->descent -
(bbox.lly - bbox.ury));
- font->layout->bounds = (SRECT*)malloc(sizeof(SRECT)*num);
- memset(font->layout->bounds, 0, sizeof(SRECT)*num);
+ font->layout->bounds = (SRECT*)rfx_calloc(sizeof(SRECT)*num);
font->layout->kerningcount = 0;
font->layout->kerning = 0;
- font->glyphnames = malloc(num*sizeof(char*));
- memset(font->glyphnames, 0, num*sizeof(char*));
+ font->glyphnames = rfx_calloc(num*sizeof(char*));
num = 0;
draw.dealloc(&draw);
font->layout->bounds[c] = bbox;
- font->glyph[c].advance = bbox.xmax/20;
+ font->glyph[c].advance = bbox.xmax;
if(!font->glyph[c].advance) {
font->glyph[c].advance = firstx;
}
charname++;
}
+ T1_DeleteFont(nr);
+
+ for(t=0;t<256;t++)
+ rfx_free(encoding[t]);
return font;
}
#else
-SWFFONT* swf_LoadT1Font(char*filename)
+SWFFONT* swf_LoadT1Font(const char*filename)
{
fprintf(stderr, "Warning: no t1lib- not able to load %s\n", filename);
return 0;
#endif
+SWFFONT* swf_DummyFont()
+{
+ SWFFONT*font = (SWFFONT*)rfx_calloc(sizeof(SWFFONT));
+ return font;
+}
+
static int isSWF(const char*filename)
{
FILE*fi = fopen(filename, "rb");
char a[8];
if(!fi) {
perror(filename);
- return 0;
+ return -1;
}
memset(a, 0, sizeof(a));
fread(a, 4, 1, fi);
return 0;
}
-SWFFONT* swf_LoadFont(char*filename)
+SWFFONT* swf_LoadFont(const char*filename, char flashtype)
{
- if(isSWF(filename)) {
- return swf_ReadFont(filename);
+ int is_swf;
+ if(filename == 0)
+ return swf_DummyFont();
+ is_swf = isSWF(filename);
+ if(is_swf<0)
+ return 0;
+ if(is_swf) {
+ SWFFONT*font = swf_ReadFont(filename);
+ if(flashtype && font->version==2)
+ fprintf(stderr, "Warning: Can't load font v2 file as flashtype (%s)\n", filename);
+ return font;
}
-#if defined(USE_FREETYPE)
- return swf_LoadTrueTypeFont(filename);
+
+#if defined(HAVE_FREETYPE)
+ return swf_LoadTrueTypeFont(filename, flashtype);
#elif defined(HAVE_T1LIB)
return swf_LoadT1Font(filename);
#else
- fprintf(stderr, "Error: Neither T1lib nor FreeType support compiled in. Could not load %s\n", infile);
+ fprintf(stderr, "Error: Neither T1lib nor FreeType support compiled in. Could not load %s\n", filename);
return 0;
#endif
}
git.asbjorn.biz / swftools.git / blobdiff