lib/pdf: make startPage() upstream compatible

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

diff --git a/lib/pdf/BitmapOutputDev.cc b/lib/pdf/BitmapOutputDev.cc
index 7b7b6a5..96e0d33 100644 (file)
--- a/lib/pdf/BitmapOutputDev.cc
+++ b/lib/pdf/BitmapOutputDev.cc
@@ -848,12 +848,24 @@ GBool BitmapOutputDev::intersection(SplashBitmap*boolpoly, SplashBitmap*booltext
     }
 }
 
+GBool BitmapOutputDev::checkPageSlice(Page *page, double hDPI, double vDPI,
+             int rotate, GBool useMediaBox, GBool crop,
+             int sliceX, int sliceY, int sliceW, int sliceH,
+             GBool printing, Catalog *catalog,
+             GBool (*abortCheckCbk)(void *data),
+             void *abortCheckCbkData)
+{
+    this->setPage(page);
+    gfxdev->setPage(page);
+    return gTrue;
+}
 
-void BitmapOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, double crop_y1, double crop_x2, double crop_y2)
+void BitmapOutputDev::startPage(int pageNum, GfxState *state)
 {
+    PDFRectangle *r = this->page->getCropBox();
     double x1,y1,x2,y2;
-    state->transform(crop_x1,crop_y1,&x1,&y1);
-    state->transform(crop_x2,crop_y2,&x2,&y2);
+    state->transform(r->x1,r->y1,&x1,&y1);
+    state->transform(r->x2,r->y2,&x2,&y2);
     if(x2<x1) {double x3=x1;x1=x2;x2=x3;}
     if(y2<y1) {double y3=y1;y1=y2;y2=y3;}
     
@@ -869,12 +881,12 @@ void BitmapOutputDev::startPage(int pageNum, GfxState *state, double crop_x1, do
     this->width = (int)(x2-x1);
     this->height = (int)(y2-y1);
 
-    rgbdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
-    boolpolydev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
-    booltextdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
-    clip0dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
-    clip1dev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
-    gfxdev->startPage(pageNum, state, crop_x1, crop_y1, crop_x2, crop_y2);
+    rgbdev->startPage(pageNum, state);
+    boolpolydev->startPage(pageNum, state);
+    booltextdev->startPage(pageNum, state);
+    clip0dev->startPage(pageNum, state);
+    clip1dev->startPage(pageNum, state);
+    gfxdev->startPage(pageNum, state);
 
     boolpolybitmap = boolpolydev->getBitmap();
     stalepolybitmap = new SplashBitmap(boolpolybitmap->getWidth(), boolpolybitmap->getHeight(), 1, boolpolybitmap->getMode(), 0);
@@ -987,15 +999,6 @@ GBool BitmapOutputDev::needNonText()
     clip1dev->needNonText();
     return rgbdev->needNonText();
 }
-/*GBool BitmapOutputDev::checkPageSlice(Page *page, double hDPI, double vDPI,
-                          int rotate, GBool useMediaBox, GBool crop,
-                          int sliceX, int sliceY, int sliceW, int sliceH,
-                          GBool printing, Catalog *catalog,
-                          GBool (*abortCheckCbk)(void *data),
-                          void *abortCheckCbkData)
-{
-    return gTrue;
-}*/
 void BitmapOutputDev::setDefaultCTM(double *ctm) 
 {
     boolpolydev->setDefaultCTM(ctm);
@@ -1699,11 +1702,20 @@ gfxbbox_t BitmapOutputDev::getImageBBox(GfxState*state)
     bbox.ymax=max(bbox.ymax,y);
     return bbox;
 }
+
+GBool invalid_size(int width, int height)
+{
+    if((U64)width*(U64)height > 0x7fffffffll)
+       return 1;
+    return 0;
+}
+
 void BitmapOutputDev::drawImageMask(GfxState *state, Object *ref, Stream *str,
                           int width, int height, GBool invert,
                           GBool inlineImg)
 {
     msg("<debug> drawImageMask streamkind=%d", str->getKind());
+    if(invalid_size(width,height)) return;
 
     CopyStream*cpystr = new CopyStream(str, height * ((width + 7) / 8));
     str = cpystr->getStream();
@@ -1720,6 +1732,7 @@ void BitmapOutputDev::drawImage(GfxState *state, Object *ref, Stream *str,
                       int *maskColors, GBool inlineImg)
 {
     msg("<debug> drawImage streamkind=%d", str->getKind());
+    if(invalid_size(width,height)) return;
        
     CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
     str = cpystr->getStream();
@@ -1738,6 +1751,7 @@ void BitmapOutputDev::drawMaskedImage(GfxState *state, Object *ref, Stream *str,
                             GBool maskInvert)
 {
     msg("<debug> drawMaskedImage streamkind=%d", str->getKind());
+    if(invalid_size(width,height)) return;
     
     CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
     str = cpystr->getStream();
@@ -1757,6 +1771,7 @@ void BitmapOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *
                                 GfxImageColorMap *maskColorMap)
 {
     msg("<debug> drawSoftMaskedImage %dx%d (%dx%d) streamkind=%d", width, height, maskWidth, maskHeight, str->getKind());
+    if(invalid_size(width,height)) return;
 
     CopyStream*cpystr = new CopyStream(str, height * ((width * colorMap->getNumPixelComps() * colorMap->getBits() + 7) / 8));
     str = cpystr->getStream();