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Diffstat (limited to 'src/codec/SkCodec_libgif.cpp')
-rw-r--r--src/codec/SkCodec_libgif.cpp31
1 files changed, 9 insertions, 22 deletions
diff --git a/src/codec/SkCodec_libgif.cpp b/src/codec/SkCodec_libgif.cpp
index 3e78f23322..5f1bec0dde 100644
--- a/src/codec/SkCodec_libgif.cpp
+++ b/src/codec/SkCodec_libgif.cpp
@@ -382,14 +382,6 @@ SkCodec::Result SkGifCodec::onGetPixels(const SkImageInfo& dstInfo,
}
}
- // Check if we can skip filling the background of the image. We
- // may be able to if the memory is zero initialized.
- bool skipBackground =
- ((kN32_SkColorType == dstColorType && colorTable[fillIndex] == 0) ||
- (kIndex_8_SkColorType == dstColorType && fillIndex == 0)) &&
- kYes_ZeroInitialized == zeroInit;
-
-
// Fill in the color table for indices greater than color count.
// This allows for predictable, safe behavior.
for (uint32_t i = colorCount; i < maxColors; i++) {
@@ -407,9 +399,8 @@ SkCodec::Result SkGifCodec::onGetPixels(const SkImageInfo& dstInfo,
// FIXME: This may not be the behavior that we want for
// animated gifs where we draw on top of the
// previous frame.
- if (!skipBackground) {
- SkSwizzler::Fill(dst, dstInfo, dstRowBytes, height, fillIndex, colorTable);
- }
+ SkSwizzler::Fill(dst, dstInfo, dstRowBytes, height, fillIndex, colorTable,
+ zeroInit);
// Modify the dst pointer
const int32_t dstBytesPerPixel = SkColorTypeBytesPerPixel(dstColorType);
@@ -436,13 +427,11 @@ SkCodec::Result SkGifCodec::onGetPixels(const SkImageInfo& dstInfo,
for (int32_t y = 0; y < innerHeight; y++) {
if (GIF_ERROR == DGifGetLine(fGif, buffer.get(), innerWidth)) {
// Recover from error by filling remainder of image
- if (!skipBackground) {
- memset(buffer.get(), fillIndex, innerWidth);
- for (; y < innerHeight; y++) {
- void* dstRow = SkTAddOffset<void>(dst, dstRowBytes *
- get_output_row_interlaced(y, innerHeight));
- swizzler->swizzle(dstRow, buffer.get());
- }
+ memset(buffer.get(), fillIndex, innerWidth);
+ for (; y < innerHeight; y++) {
+ void* dstRow = SkTAddOffset<void>(dst, dstRowBytes *
+ get_output_row_interlaced(y, innerHeight));
+ swizzler->swizzle(dstRow, buffer.get());
}
return gif_error(SkStringPrintf(
"Could not decode line %d of %d.\n",
@@ -457,10 +446,8 @@ SkCodec::Result SkGifCodec::onGetPixels(const SkImageInfo& dstInfo,
void* dstRow = dst;
for (int32_t y = 0; y < innerHeight; y++) {
if (GIF_ERROR == DGifGetLine(fGif, buffer.get(), innerWidth)) {
- if (!skipBackground) {
- SkSwizzler::Fill(dstRow, dstInfo, dstRowBytes,
- innerHeight - y, fillIndex, colorTable);
- }
+ SkSwizzler::Fill(dstRow, dstInfo, dstRowBytes, innerHeight - y,
+ fillIndex, colorTable, zeroInit);
return gif_error(SkStringPrintf(
"Could not decode line %d of %d.\n",
y, height - 1).c_str(), kIncompleteInput);