+ int width = rgbdev->getBitmapWidth();
+ int height = rgbdev->getBitmapHeight();
+
+ if(sizeof(SplashColor)!=3) {
+ msg("<error> sizeof(SplashColor)!=3");
+ return;
+ }
+
+ /*static int counter=0;
+ if(!counter) {
+ writeBitmap(rgbdev->getBitmap(), "test.png");
+ } counter++;*/
+
+ /*static int counter=0;
+ char filename[160];
+ sprintf(filename, "test%d.png", counter++);
+ writeBitmap(rgbbitmap, filename);*/
+
+ SplashColorPtr rgb = rgbbitmap->getDataPtr();
+ Guchar*alpha = rgbbitmap->getAlphaPtr();
+
+ Guchar*alpha2 = stalepolybitmap->getDataPtr();
+ int width8 = (stalepolybitmap->getWidth()+7)/8;
+
+ /*char filename[80];
+ sprintf(filename, "flush%d_mask.png", dbg_btm_counter);
+ writeAlpha(stalepolybitmap, filename);
+ sprintf(filename, "flush%d_alpha.png", dbg_btm_counter);
+ writeAlpha(rgbbitmap, filename);
+ sprintf(filename, "flush%d_bitmap.png", dbg_btm_counter);
+ writeBitmap(rgbbitmap, filename);*/
+
+ ibbox_t* boxes = get_bitmap_bboxes((unsigned char*)alpha, width, height);
+ ibbox_t*b;
+
+ for(b=boxes;b;b=b->next) {
+ int xmin = b->xmin;
+ int ymin = b->ymin;
+ int xmax = b->xmax;
+ int ymax = b->ymax;
+
+ /* clip against (-movex, -movey, -movex+width, -movey+height) */
+ if(xmin < -this->movex) xmin = -this->movex;
+ if(ymin < -this->movey) ymin = -this->movey;
+ if(xmax > -this->movex + width) xmax = -this->movex+this->width;
+ if(ymax > -this->movey + height) ymax = -this->movey+this->height;
+
+ msg("<verbose> Flushing bitmap (bbox: %d,%d,%d,%d)", xmin,ymin,xmax,ymax);
+
+ if((xmax-xmin)<=0 || (ymax-ymin)<=0) // no bitmap, nothing to do
+ continue;
+
+ int rangex = xmax-xmin;
+ int rangey = ymax-ymin;
+ gfximage_t*img = (gfximage_t*)malloc(sizeof(gfximage_t));
+ img->data = (gfxcolor_t*)malloc(rangex * rangey * 4);
+ img->width = rangex;
+ img->height = rangey;
+ int x,y;
+ for(y=0;y<rangey;y++) {
+ SplashColorPtr in=&rgb[((y+ymin)*width+xmin)*sizeof(SplashColor)];
+ gfxcolor_t*out = &img->data[y*rangex];
+ Guchar*ain = &alpha[(y+ymin)*width+xmin];
+ Guchar*ain2 = &alpha2[(y+ymin)*width8];
+ if(this->emptypage) {
+ for(x=0;x<rangex;x++) {
+ /* the first bitmap on the page doesn't need to have an alpha channel-
+ blend against a white background*/
+ out[x].r = (in[x*3+0]*ain[x])/255 + 255-ain[x];
+ out[x].g = (in[x*3+1]*ain[x])/255 + 255-ain[x];
+ out[x].b = (in[x*3+2]*ain[x])/255 + 255-ain[x];
+ out[x].a = 255;
+ }
+ } else {
+ for(x=0;x<rangex;x++) {
+ if(!(ain2[(x+xmin)/8]&(0x80>>((x+xmin)&7)))) {
+ /* cut away pixels that we don't remember drawing (i.e., that are
+ not in the monochrome bitmap). Prevents some "hairlines" showing
+ up to the left and right of bitmaps. */
+ out[x].r = 0;out[x].g = 0;out[x].b = 0;out[x].a = 0;
+ } else {
+ /* according to endPage()/compositeBackground() in xpdf/SplashOutputDev.cc, we
+ have to premultiply alpha (mix background and pixel according to the alpha channel).
+ */
+ out[x].r = (in[x*3+0]*ain[x])/255;
+ out[x].g = (in[x*3+1]*ain[x])/255;
+ out[x].b = (in[x*3+2]*ain[x])/255;
+ out[x].a = ain[x];
+ }
+ }
+ }
+ }
+
+ /* transform bitmap rectangle to "device space" */
+ xmin += movex;
+ ymin += movey;
+ xmax += movex;
+ ymax += movey;
+
+ gfxmatrix_t m;
+ m.tx = xmin;
+ m.ty = ymin;
+ m.m00 = m.m11 = 1;
+ m.m10 = m.m01 = 0;
+ m.tx -= 0.5;
+ m.ty -= 0.5;
+
+ gfxline_t* line = gfxline_makerectangle(xmin, ymin, xmax, ymax);
+ dev->fillbitmap(dev, line, img, &m, 0);
+ gfxline_free(line);
+
+ free(img->data);img->data=0;free(img);img=0;
+ }
+ ibbox_destroy(boxes);
+
+ memset(rgbbitmap->getAlphaPtr(), 0, rgbbitmap->getWidth()*rgbbitmap->getHeight());
+ memset(rgbbitmap->getDataPtr(), 0, rgbbitmap->getRowSize()*rgbbitmap->getHeight());
+
+ this->emptypage = 0;
+}
+
+void BitmapOutputDev::flushText()
+{
+ msg("<verbose> Flushing text");
+ gfxdevice_record_flush(this->gfxoutput, this->dev);
+
+ this->emptypage = 0;
+}
+
+void writeMonoBitmap(SplashBitmap*btm, char*filename)
+{
+ int width8 = (btm->getWidth()+7)/8;
+ int width = btm->getWidth();
+ int height = btm->getHeight();
+ gfxcolor_t*b = (gfxcolor_t*)malloc(sizeof(gfxcolor_t)*width*height);
+ unsigned char*data = btm->getDataPtr();