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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkImage_Base.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkData.h"
#include "../images/SkImageDecoder.h"
class SkImage_Codec : public SkImage_Base {
public:
static SkImage* NewEmpty();
SkImage_Codec(SkData* encodedData, int width, int height);
virtual ~SkImage_Codec();
virtual void onDraw(SkCanvas*, SkScalar, SkScalar, const SkPaint*) SK_OVERRIDE;
private:
SkData* fEncodedData;
SkBitmap fBitmap;
typedef SkImage_Base INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
SkImage_Codec::SkImage_Codec(SkData* data, int width, int height) : INHERITED(width, height) {
fEncodedData = data;
fEncodedData->ref();
}
SkImage_Codec::~SkImage_Codec() {
fEncodedData->unref();
}
void SkImage_Codec::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint* paint) {
if (!fBitmap.pixelRef()) {
if (!SkImageDecoder::DecodeMemory(fEncodedData->bytes(), fEncodedData->size(),
&fBitmap)) {
return;
}
}
canvas->drawBitmap(fBitmap, x, y, paint);
}
///////////////////////////////////////////////////////////////////////////////
SkImage* SkImage::NewEncodedData(SkData* data) {
if (NULL == data) {
return NULL;
}
SkBitmap bitmap;
if (!SkImageDecoder::DecodeMemory(data->bytes(), data->size(), &bitmap,
SkBitmap::kNo_Config,
SkImageDecoder::kDecodeBounds_Mode)) {
return NULL;
}
return SkNEW_ARGS(SkImage_Codec, (data, bitmap.width(), bitmap.height()));
}
///////////////////////////////////////////////////////////////////////////////
// FIXME: Temporarily move this here so chromium can still build until we truly
// fix the core/images dependency issue (https://code.google.com/p/skia/issues/detail?id=1275)
#include "SkImage.h"
#include "../images/SkImageEncoder.h"
static const SkImage_Base* asIB(const SkImage* image) {
return static_cast<const SkImage_Base*>(image);
}
static const struct {
SkImageEncoder::Type fIE;
SkImage::EncodeType fET;
} gTable[] = {
{ SkImageEncoder::kBMP_Type, SkImage::kBMP_EncodeType },
{ SkImageEncoder::kGIF_Type, SkImage::kGIF_EncodeType },
{ SkImageEncoder::kICO_Type, SkImage::kICO_EncodeType },
{ SkImageEncoder::kJPEG_Type, SkImage::kJPEG_EncodeType },
{ SkImageEncoder::kPNG_Type, SkImage::kPNG_EncodeType },
{ SkImageEncoder::kWBMP_Type, SkImage::kWBMP_EncodeType },
{ SkImageEncoder::kWEBP_Type, SkImage::kWEBP_EncodeType },
};
SkData* SkImage::encode(EncodeType et, int quality) const {
for (size_t i = 0; i < SK_ARRAY_COUNT(gTable); ++i) {
if (gTable[i].fET == et) {
SkBitmap bm;
if (asIB(this)->getROPixels(&bm)) {
return SkImageEncoder::EncodeData(bm, gTable[i].fIE, quality);
}
break;
}
}
return NULL;
}
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