moved ../../pdf2swf/xpdf to .

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

diff --git a/lib/xpdf/InfoOutputDev.cc b/lib/xpdf/InfoOutputDev.cc
new file mode 100644 (file)
index 0000000..6574d76
--- /dev/null
+++ b/lib/xpdf/InfoOutputDev.cc
@@ -0,0 +1,112 @@
+#include "InfoOutputDev.h"
+#include "GfxState.h"
+#include "../log.h"
+#include <math.h>
+
+InfoOutputDev::InfoOutputDev() 
+{
+    num_links = 0;
+    num_images = 0;
+    num_fonts = 0;
+    id2font = new GHash();
+}
+InfoOutputDev::~InfoOutputDev() 
+{
+    delete id2font;
+}
+GBool InfoOutputDev::upsideDown() {return gTrue;}
+GBool InfoOutputDev::useDrawChar() {return gTrue;}
+GBool InfoOutputDev::interpretType3Chars() {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;
+    state->transform(crop_x1,crop_y1,&x1,&y1);
+    state->transform(crop_x2,crop_y2,&x2,&y2);
+    if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
+    if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
+    this->x1 = (int)x1;
+    this->y1 = (int)y1;
+    this->x2 = (int)x2;
+    this->y2 = (int)y2;
+}
+void InfoOutputDev::drawLink(Link *link, Catalog *catalog) 
+{
+    num_links++;
+}
+double InfoOutputDev::getMaximumFontSize(char*id)
+{
+    FontInfo*info = (FontInfo*)id2font->lookup(id);
+    if(!info) {
+       msg("<error> Unknown font id: %s", id);
+       return 0.0;
+    }
+    return info->max_size;
+}
+
+static char*getFontID(GfxFont*font)
+{
+    Ref*ref = font->getID();
+    GString*gstr = font->getName();
+    char* fname = gstr==0?0:gstr->getCString();
+    char buf[128];
+    if(fname==0) {
+       sprintf(buf, "font-%d-%d", ref->num, ref->gen);
+    } else {
+       sprintf(buf, "%s-%d-%d", fname, ref->num, ref->gen);
+    }
+    return strdup(buf);
+}
+
+
+void InfoOutputDev::updateFont(GfxState *state) 
+{
+    GfxFont*font = state->getFont();
+    if(!font)
+       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++;
+    }
+    currentfont = info;
+}
+
+void InfoOutputDev::drawChar(GfxState *state, double x, double y,
+                     double dx, double dy,
+                     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();
+    m21 *= state->getHorizScaling();
+    double lenx = sqrt(m11*m11 + m12*m12);
+    double leny = sqrt(m21*m21 + m22*m22);
+    double len = lenx>leny?lenx:leny;
+    if(currentfont && currentfont->max_size < len) {
+       currentfont->max_size = len;
+    }
+}
+void InfoOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
+                          int width, int height, GBool invert,
+                          GBool inlineImg) 
+{
+    num_images++;
+}
+void InfoOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
+                      int width, int height, GfxImageColorMap *colorMap,
+                      int *maskColors, GBool inlineImg)
+{
+    num_images++;
+}
+