reworked font backend

[swftools.git] / lib / pdf / InfoOutputDev.cc

diff --git a/lib/pdf/InfoOutputDev.cc b/lib/pdf/InfoOutputDev.cc
index 6574d76..ec54572 100644 (file)
--- a/lib/pdf/InfoOutputDev.cc
+++ b/lib/pdf/InfoOutputDev.cc
@@ -1,22 +1,59 @@
+#include "SplashTypes.h"
+#include "SplashOutputDev.h"
+#include "SplashPath.h"
 #include "InfoOutputDev.h"
 #include "GfxState.h"
 #include "../log.h"
 #include <math.h>
 
-InfoOutputDev::InfoOutputDev() 
+InfoOutputDev::InfoOutputDev(XRef*xref) 
 {
     num_links = 0;
     num_images = 0;
     num_fonts = 0;
-    id2font = new GHash();
+    id2font = new GHash(1);
+    SplashColor white = {255,255,255};
+    splash = new SplashOutputDev(splashModeRGB8,320,0,white,0,0);
+    splash->startDoc(xref);
 }
 InfoOutputDev::~InfoOutputDev() 
 {
+    GHashIter*i;
+    id2font->startIter(&i);
+    GString*key;
+    FontInfo*fontinfo;
+    while(id2font->getNext(&i, &key, (void**)&fontinfo)) {
+       delete fontinfo;
+    }
+    id2font->killIter(&i);
+
     delete id2font;
+    delete splash;
+}
+FontInfo::FontInfo()
+{
+    this->charid2glyph = 0;
+}
+FontInfo::~FontInfo()
+{
+    this->font = 0;
+    if(this->charid2glyph) {
+       free(this->charid2glyph);
+       this->charid2glyph = 0;
+    }
+    int t;
+    for(t=0;t<num_glyphs;t++) {
+       if(glyphs[t]) {
+           delete glyphs[t]->path;glyphs[t]->path = 0;
+           delete glyphs[t];
+           glyphs[t]=0;
+       }
+    }
 }
 GBool InfoOutputDev::upsideDown() {return gTrue;}
 GBool InfoOutputDev::useDrawChar() {return gTrue;}
 GBool InfoOutputDev::interpretType3Chars() {return gTrue;}
+GBool InfoOutputDev::useTilingPatternFill() {return gTrue;}
 void InfoOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
 {
     double x1,y1,x2,y2;
@@ -28,6 +65,7 @@ void InfoOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, doub
     this->y1 = (int)y1;
     this->x2 = (int)x2;
     this->y2 = (int)y2;
+    msg("<verbose> Generating info structure for page %d", pageNum);
 }
 void InfoOutputDev::drawLink(Link *link, Catalog *catalog) 
 {
@@ -43,7 +81,7 @@ double InfoOutputDev::getMaximumFontSize(char*id)
     return info->max_size;
 }
 
-static char*getFontID(GfxFont*font)
+char*getFontID(GfxFont*font)
 {
     Ref*ref = font->getID();
     GString*gstr = font->getName();
@@ -57,25 +95,51 @@ static char*getFontID(GfxFont*font)
     return strdup(buf);
 }
 
-
 void InfoOutputDev::updateFont(GfxState *state) 
 {
     GfxFont*font = state->getFont();
     if(!font)
        return;
+    if(font->getType() == fontType3) {
+       return;
+    }
     char*id = getFontID(font);
-    
+
     FontInfo*info = (FontInfo*)id2font->lookup(id);
-    if(!info) {
-      GString* idStr = new GString(id);
-      info = new FontInfo;
-      info->font = font;
-      info->max_size = 0;
-      id2font->add(idStr, (void*)info);
-      free(id);
-      num_fonts++;
+    if(info) {
+       /* font already known */
+       free(id);
+       currentfont = info;
+       return;
+    }
+
+    info = new FontInfo;
+    info->font = font;
+    info->max_size = 0;
+
+    state->setCTM(1.0,0,0,1.0,0,0);
+    splash->updateCTM(state, 0,0,0,0,0,0);
+    state->setTextMat(1.0,0,0,-1.0,0,0);
+    state->setFont(font, 1024.0);
+    splash->doUpdateFont(state);
+    info->splash_font = splash->getCurrentFont();
+    info->num_glyphs = 0;
+    info->glyphs = 0;
+
+    if(!info->splash_font) {
+       delete info;
+       return;
     }
+ 
+    GString* idStr = new GString(id);
+    id2font->add(idStr, (void*)info);
+    num_fonts++;
     currentfont = info;
+    free(id);
+}
+FontInfo* InfoOutputDev::getFont(char*id)
+{
+    return (FontInfo*)id2font->lookup(id);
 }
 
 void InfoOutputDev::drawChar(GfxState *state, double x, double y,
@@ -83,9 +147,6 @@ void InfoOutputDev::drawChar(GfxState *state, double x, double y,
                      double originX, double originY,
                      CharCode code, int nBytes, Unicode *u, int uLen)
 {
-    int render = state->getRender();
-    if (render == 3)
-       return;
     double m11,m21,m12,m22;
     state->getFontTransMat(&m11, &m12, &m21, &m22);
     m11 *= state->getHorizScaling();
@@ -96,17 +157,52 @@ void InfoOutputDev::drawChar(GfxState *state, double x, double y,
     if(currentfont && currentfont->max_size < len) {
        currentfont->max_size = len;
     }
+    if(code >= currentfont->num_glyphs) {
+       currentfont->glyphs = (GlyphInfo**)realloc(currentfont->glyphs, sizeof(GlyphInfo*)*(code+1));
+       memset(&currentfont->glyphs[currentfont->num_glyphs], 0, sizeof(SplashPath*)*((code+1)-currentfont->num_glyphs));
+       currentfont->num_glyphs = code+1;
+    }
+    GlyphInfo*g = currentfont->glyphs[code];
+    if(!g) {
+       g = currentfont->glyphs[code] = new GlyphInfo();
+       g->path = currentfont->splash_font->getGlyphPath(code);
+       g->unicode = 0;
+    }
+    if(uLen && (u[0]>=32 && u[0]<g->unicode || !g->unicode)) {
+       g->unicode = u[0];
+    }
+
 }
 void InfoOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
                           int width, int height, GBool invert,
                           GBool inlineImg) 
 {
     num_images++;
+    OutputDev::drawImageMask(state,ref,str,width,height,invert,inlineImg);
 }
 void InfoOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
                       int width, int height, GfxImageColorMap *colorMap,
                       int *maskColors, GBool inlineImg)
 {
     num_images++;
+    OutputDev::drawImage(state,ref,str,width,height,colorMap,maskColors,inlineImg);
+}
+void InfoOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
+                               int width, int height,
+                               GfxImageColorMap *colorMap,
+                               Stream *maskStr,
+                               int maskWidth, int maskHeight,
+                               GBool maskInvert) 
+{
+    OutputDev::drawMaskedImage(state,ref,str,width,height,colorMap,maskStr,maskWidth,maskHeight,maskInvert);
 }
 
+void InfoOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *str,
+                                   int width, int height,
+                                   GfxImageColorMap *colorMap,
+                                   Stream *maskStr,
+                                   int maskWidth, int maskHeight,
+                                   GfxImageColorMap *maskColorMap) 
+{
+    OutputDev::drawSoftMaskedImage(state,ref,str,width,height,colorMap,maskStr,maskWidth,maskHeight,maskColorMap);
+}