new parameter "rawtext"
[swftools.git] / lib / pdf / GFXOutputDev.cc
index 210f88d..b1f392f 100644 (file)
@@ -70,6 +70,7 @@
 #include "../devices/arts.h"
 #include "../devices/render.h"
 #include "../png.h"
+#include "fonts.h"
 
 #include <math.h>
 
@@ -87,24 +88,30 @@ static int fontnum = 0;
 
 static char* lastfontdir = 0;
 
-struct mapping {
+struct fontentry {
     char*pdffont;
     char*filename;
+    char*afm;
+    int afmlen;
+    char*pfb;
+    int pfblen;
+    char*fullfilename;
 } pdf2t1map[] ={
-{"Times-Roman",           "n021003l"},
-{"Times-Italic",          "n021023l"},
-{"Times-Bold",            "n021004l"},
-{"Times-BoldItalic",      "n021024l"},
-{"Helvetica",             "n019003l"},
-{"Helvetica-Oblique",     "n019023l"},
-{"Helvetica-Bold",        "n019004l"},
-{"Helvetica-BoldOblique", "n019024l"},
-{"Courier",               "n022003l"},
-{"Courier-Oblique",       "n022023l"},
-{"Courier-Bold",          "n022004l"},
-{"Courier-BoldOblique",   "n022024l"},
-{"Symbol",                "s050000l"},
-{"ZapfDingbats",          "d050000l"}};
+{"Times-Roman",           "n021003l", n021003l_afm, n021003l_afm_len, n021003l_pfb, n021003l_pfb_len},
+{"Times-Italic",          "n021023l", n021023l_afm, n021023l_afm_len, n021023l_pfb, n021023l_pfb_len},
+{"Times-Bold",            "n021004l", n021004l_afm, n021004l_afm_len, n021004l_pfb, n021004l_pfb_len},
+{"Times-BoldItalic",      "n021024l", n021024l_afm, n021024l_afm_len, n021024l_pfb, n021024l_pfb_len},
+{"Helvetica",             "n019003l", n019003l_afm, n019003l_afm_len, n019003l_pfb, n019003l_pfb_len},
+{"Helvetica-Oblique",     "n019023l", n019023l_afm, n019023l_afm_len, n019023l_pfb, n019023l_pfb_len},
+{"Helvetica-Bold",        "n019004l", n019004l_afm, n019004l_afm_len, n019004l_pfb, n019004l_pfb_len},
+{"Helvetica-BoldOblique", "n019024l", n019024l_afm, n019024l_afm_len, n019024l_pfb, n019024l_pfb_len},
+{"Courier",               "n022003l", n022003l_afm, n022003l_afm_len, n022003l_pfb, n022003l_pfb_len},
+{"Courier-Oblique",       "n022023l", n022023l_afm, n022023l_afm_len, n022023l_pfb, n022023l_pfb_len},
+{"Courier-Bold",          "n022004l", n022004l_afm, n022004l_afm_len, n022004l_pfb, n022004l_pfb_len},
+{"Courier-BoldOblique",   "n022024l", n022024l_afm, n022024l_afm_len, n022024l_pfb, n022024l_pfb_len},
+{"Symbol",                "s050000l", s050000l_afm, s050000l_afm_len, s050000l_pfb, s050000l_pfb_len},
+{"ZapfDingbats",          "d050000l", d050000l_afm, d050000l_afm_len, d050000l_pfb, d050000l_pfb_len}};
+
 
 static int verbose = 0;
 static int dbgindent = 0;
@@ -179,11 +186,12 @@ GFXOutputState::GFXOutputState() {
     this->transparencygroup = 0;
     this->softmask = 0;
     this->grouprecording = 0;
+    this->isolated = 0;
 }
 
 GBool GFXOutputDev::interpretType3Chars() 
 {
-    return gTrue;
+    return this->do_interpretType3Chars;
 }
 
 typedef struct _drawnchar
@@ -261,19 +269,31 @@ GFXOutputDev::GFXOutputDev(parameter_t*p)
     this->pagepos = 0;
     this->config_use_fontconfig=1;
     this->config_break_on_warning=0;
+    this->do_interpretType3Chars = gTrue;
 
     this->parameters = p;
+  
+    memset(states, 0, sizeof(states));
 
     /* configure device */
     while(p) {
-       if(!strcmp(p->name,"fontconfig")) {
-           this->config_use_fontconfig = atoi(p->value);
-       } else if(!strcmp(p->name,"breakonwarning")) {
-           this->config_break_on_warning = atoi(p->value);
-       }
+        setParameter(p->name, p->value);
        p = p->next;
     }
 };
+
+void GFXOutputDev::setParameter(char*key, char*value)
+{
+    if(!strcmp(key,"rawtext")) {
+        this->do_interpretType3Chars = atoi(value)^1;
+    } else if(!strcmp(key,"breakonwarning")) {
+       this->config_break_on_warning = atoi(value);
+    } else if(!strcmp(key,"fontconfig")) {
+        this->config_use_fontconfig = atoi(value);
+    } else {
+        msg("<warning> Ignored parameter: %s=%s", key, value);
+    }
+}
   
 void GFXOutputDev::setDevice(gfxdevice_t*dev)
 {
@@ -781,8 +801,6 @@ void GFXOutputDev::endframe()
        device->endclip(device);
        outer_clip_box = 0;
     }
-
-    device->endpage(device);
 }
 
 void GFXOutputDev::finish()
@@ -862,6 +880,8 @@ char* makeStringPrintable(char*str)
 int getGfxCharID(gfxfont_t*font, int charnr, char *charname, int u)
 {
     char*uniname = 0;
+    if(!font)
+        return charnr;
     if(u>0) {
        int t;
        /* find out char name from unicode index 
@@ -972,7 +992,7 @@ void GFXOutputDev::drawChar(GfxState *state, double x, double y,
     Gushort *CIDToGIDMap = 0;
     GfxFont*font = state->getFont();
 
-    if(font->getType() == fontType3) {
+    if(font->getType() == fontType3 && do_interpretType3Chars) {
        /* type 3 chars are passed as graphics */
        msg("<debug> type3 char at %f/%f", x, y);
        return;
@@ -1117,6 +1137,16 @@ GBool GFXOutputDev::beginType3Char(GfxState *state, double x, double y, double d
 {
     msg("<debug> beginType3Char %d, %08x, %d", code, *u, uLen);
     type3active = 1;
+
+    /*int t;
+
+    gfxcolor_t col={255,0,0,0};
+    gfxmatrix_t m = {1,0,0, 0,1,0};
+
+    for(t=0;t<uLen;t++) {
+       device->drawchar(device, 0, u[t], &col, &m);
+    }*/
+
     /* the character itself is going to be passed using the draw functions */
     return gFalse; /* gTrue= is_in_cache? */
 }
@@ -1200,7 +1230,8 @@ void GFXOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, doubl
     device->fill(device, clippath, &white);
 }
 
-void GFXOutputDev::processLink(Link *link, Catalog *catalog) 
+
+void GFXOutputDev::processLink(Link *link, Catalog *catalog)
 {
     double x1, y1, x2, y2, w;
     gfxline_t points[5];
@@ -1419,35 +1450,57 @@ void GFXOutputDev::restoreState(GfxState *state) {
   statepos--;
 }
 
+char* writeOutStdFont(fontentry* f)
+{
+    FILE*fi;
+    char namebuf1[512];
+    char namebuf2[512];
+    char* tmpFileName = mktmpname(namebuf1);
+
+    sprintf(namebuf2, "%s.afm", tmpFileName);
+    fi = fopen(namebuf2, "wb");
+    if(!fi)
+        return 0;
+    fwrite(f->afm, 1, f->afmlen, fi);
+    fclose(fi);
+
+    sprintf(namebuf2, "%s.pfb", tmpFileName);
+    fi = fopen(namebuf2, "wb");
+    if(!fi)
+        return 0;
+    fwrite(f->pfb, 1, f->pfblen, fi);
+    fclose(fi);
+
+    return strdup(namebuf2);
+}
+
 char* GFXOutputDev::searchFont(char*name) 
 {      
     int i;
     char*filename=0;
-    int is_standard_font = 0;
        
     msg("<verbose> SearchFont(%s)", name);
 
     /* see if it is a pdf standard font */
-    for(i=0;i<sizeof(pdf2t1map)/sizeof(mapping);i++) 
+    for(i=0;i<sizeof(pdf2t1map)/sizeof(fontentry);i++) 
     {
        if(!strcmp(name, pdf2t1map[i].pdffont))
        {
-           name = pdf2t1map[i].filename;
-           is_standard_font = 1;
-           break;
+            if(!pdf2t1map[i].fullfilename) {
+                pdf2t1map[i].fullfilename = writeOutStdFont(&pdf2t1map[i]);
+                if(!pdf2t1map[i].fullfilename) {
+                    msg("<error> Couldn't save default font- is the Temp Directory writable?");
+                } else {
+                    msg("<verbose> Storing standard PDF font %s at %s", name, pdf2t1map[i].fullfilename);
+                }
+            }
+           return strdup(pdf2t1map[i].fullfilename);
        }
     }
-    /* look in all font files */
+    /* else look in all font files */
     for(i=0;i<fontnum;i++) 
     {
-       if(strstr(fonts[i].filename, name))
-       {
-           if(!fonts[i].used) {
-
-               fonts[i].used = 1;
-               if(!is_standard_font)
-                   msg("<notice> Using %s for %s", fonts[i].filename, name);
-           }
+       if(strstr(fonts[i].filename, name)) {
            return strdup(fonts[i].filename);
        }
     }
@@ -1558,7 +1611,7 @@ char*GFXOutputDev::writeEmbeddedFontToFile(XRef*ref, GfxFont*font)
       }
       FoFiType1C *cvt = FoFiType1C::make(fontBuf, fontLen);
       if(!cvt) return 0;
-      cvt->convertToType1(NULL, gTrue, FoFiWrite, f);
+      cvt->convertToType1(0, NULL, gTrue, FoFiWrite, f);
       //cvt->convertToCIDType0("test", f);
       //cvt->convertToType0("test", f);
       delete cvt;
@@ -2396,7 +2449,8 @@ void GFXOutputDev::stroke(GfxState *state)
 
 void GFXOutputDev::fill(GfxState *state) 
 {
-    dbg("fill");
+    gfxcolor_t col = getFillColor(state);
+    dbg("fill %02x%02x%02x%02x",col.r,col.g,col.b,col.a);
 
     GfxPath * path = state->getPath();
     gfxline_t*line= gfxPath_to_gfxline(state, path, 1, user_movex + clipmovex, user_movey + clipmovey);
@@ -2406,19 +2460,12 @@ void GFXOutputDev::fill(GfxState *state)
 
 void GFXOutputDev::eoFill(GfxState *state) 
 {
-    dbg("eofill");
-
-    GfxPath * path = state->getPath();
     gfxcolor_t col = getFillColor(state);
+    dbg("eofill %02x%02x%02x%02x",col.r,col.g,col.b,col.a);
 
+    GfxPath * path = state->getPath();
     gfxline_t*line= gfxPath_to_gfxline(state, path, 1, user_movex + clipmovex, user_movey + clipmovey);
-
-    if(getLogLevel() >= LOGLEVEL_TRACE)  {
-        msg("<trace> eofill\n");
-        dump_outline(line);
-    }
-
-    device->fill(device, line, &col);
+    fillGfxLine(state, line);
     gfxline_free(line);
 }
 
@@ -2615,7 +2662,6 @@ BBox mkBBox(GfxState*state, double*bbox, double width, double height)
     return nbbox;
 }
 
-#if xpdfUpdateVersion >= 16
 void GFXOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
                                      GfxColorSpace *blendingColorSpace,
                                      GBool isolated, GBool knockout,
@@ -2630,10 +2676,12 @@ void GFXOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
     dbg("beginTransparencyGroup %.1f/%.1f/%.1f/%.1f %s isolated=%d knockout=%d forsoftmask=%d", bbox[0],bbox[1],bbox[2],bbox[3], colormodename, isolated, knockout, forSoftMask);
     dbg("using clipping rect %f/%f/%f/%f\n", rect.posx,rect.posy,rect.width,rect.height);
     msg("<verbose> beginTransparencyGroup %.1f/%.1f/%.1f/%.1f %s isolated=%d knockout=%d forsoftmask=%d", bbox[0],bbox[1],bbox[2],bbox[3], colormodename, isolated, knockout, forSoftMask);
+    
     states[statepos].createsoftmask |= forSoftMask;
     states[statepos].transparencygroup = !forSoftMask;
-    states[statepos].olddevice = this->device;
+    states[statepos].isolated = isolated;
 
+    states[statepos].olddevice = this->device;
     this->device = (gfxdevice_t*)rfx_calloc(sizeof(gfxdevice_t));
 
     gfxdevice_record_init(this->device);
@@ -2715,6 +2763,11 @@ void GFXOutputDev::setSoftMask(GfxState *state, double *bbox, GBool alpha, Funct
     dbg("softmaskrecording is %08x at statepos %d\n", states[statepos].softmaskrecording, statepos);
     
     states[statepos].softmask = 1;
+    states[statepos].softmask_alpha = alpha;
+}
+
+static inline Guchar div255(int x) {
+  return (Guchar)((x + (x >> 8) + 0x80) >> 8);
 }
 
 void GFXOutputDev::clearSoftMask(GfxState *state)
@@ -2751,15 +2804,21 @@ void GFXOutputDev::clearSoftMask(GfxState *state)
 #endif
     
     int width = (int)bbox.xmax,height = (int)bbox.ymax;
+    if(width<=0 || height<=0)
+        return;
 
     gfxdevice_t belowrender;
     gfxdevice_render_init(&belowrender);
+    if(states[statepos+1].isolated) {
+       belowrender.setparameter(&belowrender, "fillwhite", "1");
+    }
     belowrender.setparameter(&belowrender, "antialize", "2");
     belowrender.startpage(&belowrender, width, height);
     gfxresult_record_replay(below, &belowrender);
     belowrender.endpage(&belowrender);
     gfxresult_t* belowresult = belowrender.finish(&belowrender);
     gfximage_t* belowimg = (gfximage_t*)belowresult->get(belowresult,"page0");
+    //writePNG("below.png", (unsigned char*)belowimg->data, belowimg->width, belowimg->height);
 
     gfxdevice_t maskrender;
     gfxdevice_render_init(&maskrender);
@@ -2779,14 +2838,18 @@ void GFXOutputDev::clearSoftMask(GfxState *state)
        gfxcolor_t* l1 = &maskimg->data[maskimg->width*y];
        gfxcolor_t* l2 = &belowimg->data[belowimg->width*y];
        for(x=0;x<width;x++) {
-           l1->a = 255;
-           l2->a = (77*l1->r + 151*l1->g + 28*l1->b) >> 8;
+           int alpha;
+           if(states[statepos].softmask_alpha) {
+               alpha = l1->a;
+           } else {
+               alpha = (77*l1->r + 151*l1->g + 28*l1->b) >> 8;
+           }
 
-           /* premultiply alpha... do we need this? (depends on output device)
-           l2->r = (l2->a*l2->r) >> 8;
-           l2->g = (l2->a*l2->g) >> 8;
-           l2->b = (l2->a*l2->b) >> 8;
-           */
+           /* premultiply alpha */
+           l2->a = div255(alpha*l2->a);
+           l2->r = div255(alpha*l2->r);
+           l2->g = div255(alpha*l2->g);
+           l2->b = div255(alpha*l2->b);
 
            l1++;
            l2++;
@@ -2807,8 +2870,6 @@ void GFXOutputDev::clearSoftMask(GfxState *state)
     states[statepos].softmaskrecording = 0;
 }
   
-#endif
-
 /*class MemCheck
 {
     public: ~MemCheck()