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-rw-r--r--Build/source/libs/xpdf/xpdf-src/splash/SplashBitmap.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/Build/source/libs/xpdf/xpdf-src/splash/SplashBitmap.h b/Build/source/libs/xpdf/xpdf-src/splash/SplashBitmap.h
index d03f44c0884..44980833668 100644
--- a/Build/source/libs/xpdf/xpdf-src/splash/SplashBitmap.h
+++ b/Build/source/libs/xpdf/xpdf-src/splash/SplashBitmap.h
@@ -44,7 +44,7 @@ public:
// upside-down, i.e., with the last row first in memory.
SplashBitmap(int widthA, int heightA, int rowPad,
SplashColorMode modeA, GBool alphaA,
- GBool topDown = gTrue);
+ GBool topDown, SplashBitmap *parentA);
~SplashBitmap();
@@ -79,6 +79,14 @@ private:
Guchar *alpha; // pointer to row zero of the alpha data
// (always top-down)
+ // save the last-allocated (large) bitmap data and reuse if possible
+ SplashBitmap *parent;
+ SplashColorPtr oldData;
+ Guchar *oldAlpha;
+ SplashBitmapRowSize oldRowSize;
+ size_t oldAlphaRowSize;
+ int oldHeight;
+
friend class Splash;
};