X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fmodules%2Fswffont.c;h=c8c3efa58b57d80fa4296e7a70a4b35178bdcf70;hb=6c3ab5574d31504d24710c2756899d49275c1a37;hp=825437456e364f19aa644558dc2c03a664874bd0;hpb=9908b4331b2bb6cc632e8f679586550142b53ff0;p=swftools.git

diff --git a/lib/modules/swffont.c b/lib/modules/swffont.c
index 8254374..c8c3efa 100644
--- a/lib/modules/swffont.c
+++ b/lib/modules/swffont.c
@@ -51,10 +51,15 @@ void swf_SetLoadFontParameters(int _scale, int _skip_unused, int _full_unicode)
 #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;
@@ -63,7 +68,7 @@ static int ft_move_to(FT_Vector* _to, void* user)
     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;
@@ -72,28 +77,28 @@ static int ft_line_to(FT_Vector* _to, void* user)
     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 =
@@ -120,7 +125,7 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
     FT_Size size;
     int max_unicode = 0;
     int charmap = -1;
-   
+
     if(ftlibrary == 0) {
 	if(FT_Init_FreeType(&ftlibrary)) {
 	    fprintf(stderr, "Couldn't init freetype library!\n");
@@ -128,35 +133,32 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
 	}
     }
     error = FT_New_Face(ftlibrary, filename, 0, &face);
-    FT_Set_Pixel_Sizes (face, 16*loadfont_scale, 16*loadfont_scale);
 
-    if(error) {
+    if(error || !face) {
 	fprintf(stderr, "Couldn't load file %s- not a TTF file?\n", filename);
 	return 0;
     }
+    
+    FT_Set_Pixel_Sizes (face, 16*loadfont_scale, 16*loadfont_scale);
+
     if(face->num_glyphs <= 0) {
 	fprintf(stderr, "File %s contains %d glyphs\n", 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->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;
-    font->glyph = malloc(face->num_glyphs*sizeof(SWFGLYPH));
-    memset(font->glyph, 0, face->num_glyphs*sizeof(SWFGLYPH));
+    font->glyph = (SWFGLYPH*)rfx_calloc(face->num_glyphs*sizeof(SWFGLYPH));
     if(FT_HAS_GLYPH_NAMES(face)) {
-	font->glyphnames = malloc(face->num_glyphs*sizeof(char*));
-	memset(font->glyphnames,0,face->num_glyphs*sizeof(char*));
+	font->glyphnames = (char**)rfx_calloc(face->num_glyphs*sizeof(char*));
     }
 
     font->layout->ascent = abs(face->ascender)*FT_SCALE*loadfont_scale*20/FT_SUBPIXELS/2; //face->bbox.xMin;
@@ -214,7 +216,7 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
     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++) {
 	int g = FT_Get_Char_Index(face, t);
@@ -232,7 +234,7 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
 
     font->numchars = 0;
 
-    glyph2glyph = (int*)malloc(face->num_glyphs*sizeof(int));
+    glyph2glyph = (int*)rfx_calloc(face->num_glyphs*sizeof(int));
 
     for(t=0; t < face->num_glyphs; t++) {
 	FT_Glyph glyph;
@@ -255,16 +257,26 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
 	}
 	error = FT_Load_Glyph(face, t, FT_LOAD_NO_BITMAP);
 	if(error) {
-	    fprintf(stderr, "Couldn't load glyph %d, error:%d\n", t, error);
-	    continue;
-	}
-	error = FT_Get_Glyph(face->glyph, &glyph);
-	if(error) {
-	    fprintf(stderr, "Couldn't get glyph %d, error:%d\n", t, error);
-	    continue;
+	    //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;
+	    }
 	}
 
-	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) {
@@ -283,7 +295,10 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
 	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(glyph)
+	    error = FT_Outline_Decompose(&face->glyph->outline, &outline_functions, &draw);
+	else
+	    error = 0;
 	draw.finish(&draw);
 	
 	if(error) {
@@ -294,12 +309,15 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
 
 #if 0
 	if(bbox.xMin > 0) {
-	    font->glyph[font->numchars].advance = (bbox.xMax*FT_SCALE)/FT_SUBPIXELS;
+	    font->glyph[font->numchars].advance = (bbox.xMax*20*FT_SCALE)/FT_SUBPIXELS;
 	} else {
-	    font->glyph[font->numchars].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[font->numchars].advance = glyph->advance.x*20/65536;
+	if(glyph)
+	    font->glyph[font->numchars].advance = glyph->advance.x*20/65536;
+	else
+	    font->glyph[font->numchars].advance = 0;
 #endif
 	
 	font->glyph[font->numchars].shape = swf_ShapeDrawerToShape(&draw);
@@ -311,7 +329,8 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
 
 	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++;
@@ -325,7 +344,7 @@ SWFFONT* swf_LoadTrueTypeFont(char*filename)
 	    font->ascii2glyph[t] = glyph2glyph[font->ascii2glyph[t]];
 	}
     }
-    free(glyph2glyph);
+    rfx_free(glyph2glyph);
 
     FT_Done_Face(face);
     FT_Done_FreeType(ftlibrary);ftlibrary=0;
@@ -388,16 +407,14 @@ SWFFONT* swf_LoadT1Font(char*filename)
     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;
     if(fontname) 
 	font->name = (U8*)strdup(fontname);
     else 
 	font->name = 0;
-    font->layout = (SWFLAYOUT*)malloc(sizeof(SWFLAYOUT));
-    memset(font->layout, 0, sizeof(SWFLAYOUT));
+    font->layout = (SWFLAYOUT*)rfx_calloc(sizeof(SWFLAYOUT));
 
     num = 0;
     charname = charnames;
@@ -419,23 +436,18 @@ SWFFONT* swf_LoadT1Font(char*filename)
     
     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;
 
@@ -483,9 +495,7 @@ SWFFONT* swf_LoadT1Font(char*filename)
 	    }
 	    last = pos;
 	    outline = outline->link;
-	    printf("(%f,%f) ", pos.x, pos.y);
 	}
-	printf("\n");
 	
 	draw.finish(&draw);
 
@@ -503,7 +513,7 @@ SWFFONT* swf_LoadT1Font(char*filename)
     T1_DeleteFont(nr);
 
     for(t=0;t<256;t++)
-	free(encoding[t]);
+	rfx_free(encoding[t]);
     return font;
 }
 
@@ -519,8 +529,7 @@ SWFFONT* swf_LoadT1Font(char*filename)
 
 SWFFONT* swf_DummyFont()
 {
-    SWFFONT*font = (SWFFONT*)malloc(sizeof(SWFFONT));
-    memset(font, 0, sizeof(SWFFONT));
+    SWFFONT*font = (SWFFONT*)rfx_calloc(sizeof(SWFFONT));
     return font;
 }