SkImage_Codec is Lazy
R=reed@google.com
Author: halcanary@google.com
Review URL: https://codereview.chromium.org/460823002
diff --git a/gyp/core.gyp b/gyp/core.gyp
index 64cc79b..afbc78a 100644
--- a/gyp/core.gyp
+++ b/gyp/core.gyp
@@ -20,6 +20,7 @@
'../include/ports',
'../include/utils',
'../include/xml',
+ '../include/images',
'../src/core',
'../src/sfnt',
'../src/image',
diff --git a/gyp/core.gypi b/gyp/core.gypi
index a6d5635..7a8d0ac 100644
--- a/gyp/core.gypi
+++ b/gyp/core.gypi
@@ -222,7 +222,6 @@
'<(skia_src_path)/image/SkImage.cpp',
'<(skia_src_path)/image/SkImagePriv.cpp',
- '<(skia_src_path)/image/SkImage_Codec.cpp',
# '<(skia_src_path)/image/SkImage_Gpu.cpp',
'<(skia_src_path)/image/SkImage_Raster.cpp',
'<(skia_src_path)/image/SkSurface.cpp',
diff --git a/src/image/SkImage_Codec.cpp b/src/image/SkImage_Codec.cpp
deleted file mode 100644
index 21c844d..0000000
--- a/src/image/SkImage_Codec.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * 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 "SkImageDecoder.h"
-#include "SkImage_Base.h"
-#include "SkBitmap.h"
-#include "SkCanvas.h"
-#include "SkData.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*) const SK_OVERRIDE;
- virtual void onDrawRectToRect(SkCanvas*, const SkRect*, const SkRect&,
- const SkPaint*) const 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) const {
- if (!fBitmap.pixelRef()) {
- // todo: this needs to be thread-safe
- SkBitmap* bitmap = const_cast<SkBitmap*>(&fBitmap);
- if (!SkImageDecoder::DecodeMemory(fEncodedData->bytes(), fEncodedData->size(), bitmap)) {
- return;
- }
- }
- canvas->drawBitmap(fBitmap, x, y, paint);
-}
-
-void SkImage_Codec::onDrawRectToRect(SkCanvas* canvas, const SkRect* src, const SkRect& dst,
- const SkPaint* paint) const {
- if (!fBitmap.pixelRef()) {
- // todo: this needs to be thread-safe
- SkBitmap* bitmap = const_cast<SkBitmap*>(&fBitmap);
- if (!SkImageDecoder::DecodeMemory(fEncodedData->bytes(), fEncodedData->size(), bitmap)) {
- return;
- }
- }
- canvas->drawBitmapRectToRect(fBitmap, src, dst, paint);
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-SkImage* SkImage::NewEncodedData(SkData* data) {
- if (NULL == data) {
- return NULL;
- }
-
- SkBitmap bitmap;
- if (!SkImageDecoder::DecodeMemory(data->bytes(), data->size(), &bitmap, kUnknown_SkColorType,
- SkImageDecoder::kDecodeBounds_Mode)) {
- return NULL;
- }
-
- return SkNEW_ARGS(SkImage_Codec, (data, bitmap.width(), bitmap.height()));
-}
diff --git a/src/image/SkImage_Raster.cpp b/src/image/SkImage_Raster.cpp
index e4768af..4841dae 100644
--- a/src/image/SkImage_Raster.cpp
+++ b/src/image/SkImage_Raster.cpp
@@ -10,6 +10,7 @@
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkData.h"
+#include "SkDecodingImageGenerator.h"
#include "SkMallocPixelRef.h"
class SkImage_Raster : public SkImage_Base {
@@ -69,6 +70,10 @@
SkShader::TileMode,
const SkMatrix* localMatrix) const SK_OVERRIDE;
+ SkImage_Raster(const SkBitmap& bitmap)
+ :INHERITED(bitmap.width(), bitmap.height())
+ , fBitmap(bitmap) { }
+
private:
SkImage_Raster() : INHERITED(0, 0) {}
@@ -206,3 +211,17 @@
SkPixelRef* SkBitmapImageGetPixelRef(SkImage* image) {
return ((SkImage_Raster*)image)->getPixelRef();
}
+
+SkImage* SkImage::NewEncodedData(SkData* data) {
+ if (NULL == data) {
+ return NULL;
+ }
+ SkBitmap bitmap;
+ if (!SkInstallDiscardablePixelRef(
+ SkDecodingImageGenerator::Create(
+ data, SkDecodingImageGenerator::Options()),
+ &bitmap)) {
+ return NULL;
+ }
+ return SkNEW_ARGS(SkImage_Raster, (bitmap));
+}