added comments about maskcolors

[swftools.git] / pdf2swf / SWFOutputDev.cc

diff --git a/pdf2swf/SWFOutputDev.cc b/pdf2swf/SWFOutputDev.cc
index 001c137..b14e633 100644 (file)
--- a/pdf2swf/SWFOutputDev.cc
+++ b/pdf2swf/SWFOutputDev.cc
@@ -213,7 +213,7 @@ public:
   private:
   void drawGeneralImage(GfxState *state, Object *ref, Stream *str,
                                   int width, int height, GfxImageColorMap*colorMap, GBool invert,
-                                  GBool inlineImg, int mask);
+                                  GBool inlineImg, int mask, int *maskColors);
   int clipping[64];
   int clippos;
 
@@ -634,6 +634,21 @@ gfxline_t* gfxPath_to_gfxline(GfxState*state, GfxPath*path, int closed)
     return (gfxline_t*)draw.result(&draw);
 }
 
+
+void dump_outline(gfxline_t*line)
+{
+    while(line) {
+       if(line->type == gfx_moveTo) {
+           msg("<debug> |     moveTo %.2f %.2f", line->x,line->y);
+       } else if(line->type == gfx_lineTo) {
+           msg("<debug> |     lineTo %.2f %.2f", line->x,line->y);
+       } else if(line->type == gfx_splineTo) {
+           msg("<debug> |     splineTo (%.2f %.2f) %.2f %.2f", line->sx,line->sy, line->x, line->y);
+       }
+       line = line->next;
+    }
+}
+
 /*----------------------------------------------------------------------------
  * Primitive Graphic routines
  *----------------------------------------------------------------------------*/
@@ -668,21 +683,30 @@ void SWFOutputDev::stroke(GfxState *state)
     gfxline_t*line= gfxPath_to_gfxline(state, path, 0);
     
     int dashnum = 0;
-    double dashstart = 0;
+    double dashphase = 0;
     double * ldash = 0;
-    state->getLineDash(&ldash, &dashnum, &dashstart);
+    state->getLineDash(&ldash, &dashnum, &dashphase);
+
     if(dashnum && ldash) {
-       float * dash = (float*)malloc(sizeof(float)*(dashnum+2));
-       dash[0] = dashstart;
+       float * dash = (float*)malloc(sizeof(float)*(dashnum+1));
        int t;
+       double cut = 0;
+       int fixzero = 0;
+       msg("<trace> %d dashes", dashnum);
+       msg("<trace> |  phase: %f", dashphase);
        for(t=0;t<dashnum;t++) {
-           dash[t+1] = ldash[t];
+           dash[t] = ldash[t];
+           msg("<trace> |  d%-3d: %f", t, ldash[t]);
+       }
+       dash[dashnum] = -1;
+       if(getLogLevel() >= LOGLEVEL_TRACE) {
+           dump_outline(line);
        }
-       dash[dashnum+1] = 0;
 
-       gfxline_t*line2 = gfxtool_dash_line(line, dash);
+       gfxline_t*line2 = gfxtool_dash_line(line, dash, dashphase);
        gfxline_free(line);
        line = line2;
+       msg("<trace> After dashing:");
     }
     
     if(getLogLevel() >= LOGLEVEL_TRACE)  {
@@ -692,7 +716,7 @@ void SWFOutputDev::stroke(GfxState *state)
                lineCap==0?"butt": (lineJoin==1?"round":"square"),
                dashnum
                );
-        //gfxline_show(line, stdout);
+        dump_outline(line);
     }
    
     swfoutput_drawgfxline(&output, line, width, &col, capType, joinType, miterLimit);
@@ -713,8 +737,8 @@ void SWFOutputDev::fill(GfxState *state)
     gfxline_t*line= gfxPath_to_gfxline(state, path, 1);
 
     if(getLogLevel() >= LOGLEVEL_TRACE)  {
-        msg("<trace> fill\n");
-        //dump_outline(line);
+        msg("<trace> fill %02x%02x%02x%02x\n", col.r, col.g, col.b, col.a);
+        dump_outline(line);
     }
 
     swfoutput_fillgfxline(&output, line, &col);
@@ -736,7 +760,7 @@ void SWFOutputDev::eoFill(GfxState *state)
 
     if(getLogLevel() >= LOGLEVEL_TRACE)  {
         msg("<trace> eofill\n");
-        //dump_outline(line);
+        dump_outline(line);
     }
 
     swfoutput_fillgfxline(&output, line, &col);
@@ -749,7 +773,7 @@ void SWFOutputDev::clip(GfxState *state)
 
     if(getLogLevel() >= LOGLEVEL_TRACE)  {
         msg("<trace> clip\n");
-        //dump_outline(line);
+        dump_outline(line);
     }
 
     swfoutput_startclip(&output, line);
@@ -763,7 +787,7 @@ void SWFOutputDev::eoClip(GfxState *state)
 
     if(getLogLevel() >= LOGLEVEL_TRACE)  {
         msg("<trace> eoclip\n");
-        //dump_outline(line);
+        dump_outline(line);
     }
 
     swfoutput_startclip(&output, line);
@@ -1622,7 +1646,7 @@ unsigned char* antialize(unsigned char*data, int width, int height, int newwidth
 
 void SWFOutputDev::drawGeneralImage(GfxState *state, Object *ref, Stream *str,
                                   int width, int height, GfxImageColorMap*colorMap, GBool invert,
-                                  GBool inlineImg, int mask)
+                                  GBool inlineImg, int mask, int*maskColors)
 {
   FILE *fi;
   int c;
@@ -1749,7 +1773,7 @@ void SWFOutputDev::drawGeneralImage(GfxState *state, Object *ref, Stream *str,
   } 
 
   int x,y;
-  
+
   if(colorMap->getNumPixelComps()!=1 || str->getKind()==strDCT) {
       RGBA*pic=new RGBA[width*height];
       for (y = 0; y < height; ++y) {
@@ -1776,10 +1800,32 @@ void SWFOutputDev::drawGeneralImage(GfxState *state, Object *ref, Stream *str,
       for(t=0;t<256;t++) {
          pixBuf[0] = t;
          colorMap->getRGB(pixBuf, &rgb);
-         pal[t].r = (U8)(rgb.r * 255 + 0.5);
-         pal[t].g = (U8)(rgb.g * 255 + 0.5);
-         pal[t].b = (U8)(rgb.b * 255 + 0.5);
-         pal[t].a = 255;//(U8)(rgb.b * 255 + 0.5);
+         /*if(maskColors && *maskColors==t) {
+             msg("<notice> Color %d is transparent", t);
+             if (imgData->maskColors) {
+               *alpha = 0;
+               for (i = 0; i < imgData->colorMap->getNumPixelComps(); ++i) {
+                 if (pix[i] < imgData->maskColors[2*i] ||
+                     pix[i] > imgData->maskColors[2*i+1]) {
+                   *alpha = 1;
+                   break;
+                 }
+               }
+             } else {
+               *alpha = 1;
+             }
+             if(!*alpha) {
+                   pal[t].r = 0;
+                   pal[t].g = 0;
+                   pal[t].b = 0;
+                   pal[t].a = 0;
+             }
+         } else*/ {
+             pal[t].r = (U8)(rgb.r * 255 + 0.5);
+             pal[t].g = (U8)(rgb.g * 255 + 0.5);
+             pal[t].b = (U8)(rgb.b * 255 + 0.5);
+             pal[t].a = 255;//(U8)(rgb.b * 255 + 0.5);
+         }
       }
       for (y = 0; y < height; ++y) {
        for (x = 0; x < width; ++x) {
@@ -1800,7 +1846,7 @@ void SWFOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
                                   GBool inlineImg) 
 {
   msg("<verbose> drawImageMask %dx%d, invert=%d inline=%d", width, height, invert, inlineImg);
-  drawGeneralImage(state,ref,str,width,height,0,invert,inlineImg,1);
+  drawGeneralImage(state,ref,str,width,height,0,invert,inlineImg,1, 0);
 }
 
 void SWFOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
@@ -1814,7 +1860,7 @@ void SWFOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
   if(colorMap)
       msg("<verbose> colorMap pixcomps:%d bits:%d mode:%d\n", colorMap->getNumPixelComps(),
              colorMap->getBits(),colorMap->getColorSpace()->getMode());
-  drawGeneralImage(state,ref,str,width,height,colorMap,0,inlineImg,0);
+  drawGeneralImage(state,ref,str,width,height,colorMap,0,inlineImg,0,maskColors);
 }
 
 SWFOutputDev*output = 0;