#include "SkImageDecoder.h"
#include "SkScaledBitmapSampler.h"
#include "SkStream.h"
-#include "SkStreamHelpers.h"
+#include "SkStreamPriv.h"
+#include "SkTextureCompressor.h"
#include "SkTypes.h"
#include "etc1.h"
}
protected:
- virtual bool onDecode(SkStream* stream, SkBitmap* bm, Mode) SK_OVERRIDE;
+ virtual Result onDecode(SkStream* stream, SkBitmap* bm, Mode) SK_OVERRIDE;
private:
typedef SkImageDecoder INHERITED;
/////////////////////////////////////////////////////////////////////////////////////////
-bool SkPKMImageDecoder::onDecode(SkStream* stream, SkBitmap* bm, Mode mode) {
+SkImageDecoder::Result SkPKMImageDecoder::onDecode(SkStream* stream, SkBitmap* bm, Mode mode) {
SkAutoMalloc autoMal;
- const size_t length = CopyStreamToStorage(&autoMal, stream);
+ const size_t length = SkCopyStreamToStorage(&autoMal, stream);
if (0 == length) {
- return false;
+ return kFailure;
}
unsigned char* buf = (unsigned char*)autoMal.get();
#ifdef SK_SUPPORT_LEGACY_IMAGEDECODER_CHOOSER
// should we allow the Chooser (if present) to pick a config for us???
if (!this->chooseFromOneChoice(kN32_SkColorType, width, height)) {
- return false;
+ return kFailure;
}
#endif
bm->setInfo(SkImageInfo::MakeN32(sampler.scaledWidth(), sampler.scaledHeight(),
kOpaque_SkAlphaType));
if (SkImageDecoder::kDecodeBounds_Mode == mode) {
- return true;
+ return kSuccess;
}
if (!this->allocPixelRef(bm, NULL)) {
- return false;
+ return kFailure;
}
// Lock the pixels, since we're about to write to them...
SkAutoLockPixels alp(*bm);
if (!sampler.begin(bm, SkScaledBitmapSampler::kRGB, *this)) {
- return false;
+ return kFailure;
}
// Advance buffer past the header
// ETC1 Data is encoded as RGB pixels, so we should extract it as such
int nPixels = width * height;
SkAutoMalloc outRGBData(nPixels * 3);
- etc1_byte *outRGBDataPtr = reinterpret_cast<etc1_byte *>(outRGBData.get());
+ uint8_t *outRGBDataPtr = reinterpret_cast<uint8_t *>(outRGBData.get());
// Decode ETC1
- if (etc1_decode_image(buf, outRGBDataPtr, width, height, 3, width*3)) {
- return false;
+ if (!SkTextureCompressor::DecompressBufferFromFormat(
+ outRGBDataPtr, width*3, buf, width, height, SkTextureCompressor::kETC1_Format)) {
+ return kFailure;
}
// Set each of the pixels...
srcRow += sampler.srcDY() * srcRowBytes;
}
- return true;
+ return kSuccess;
}
/////////////////////////////////////////////////////////////////////////////////////////