skia2/samplecode/SampleDecode.cpp
rmistry@google.com ae933ce0ea Result of running tools/sanitize_source_files.py (which was added in https://codereview.appspot.com/6465078/)
This CL is part III of IV (I broke down the 1280 files into 4 CLs).
Review URL: https://codereview.appspot.com/6475053

git-svn-id: http://skia.googlecode.com/svn/trunk@5264 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-08-23 18:19:56 +00:00

78 lines
2.1 KiB
C++

/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SampleCode.h"
#include "SkView.h"
#include "SkCanvas.h"
#include "SkImageDecoder.h"
#include "SkStream.h"
static const struct {
SkBitmap::Config fPrefConfig;
bool fDither;
} gRec[] = {
{ SkBitmap::kIndex8_Config, false },
{ SkBitmap::kARGB_8888_Config, false },
{ SkBitmap::kARGB_4444_Config, false },
{ SkBitmap::kARGB_4444_Config, true },
{ SkBitmap::kRGB_565_Config, false },
{ SkBitmap::kRGB_565_Config, true },
};
class DecodeView : public SkView {
public:
SkBitmap fBitmap[SK_ARRAY_COUNT(gRec)];
DecodeView() {
SkFILEStream stream("/skimages/index.png");
SkImageDecoder* codec = SkImageDecoder::Factory(&stream);
if (codec) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {
stream.rewind();
codec->setDitherImage(gRec[i].fDither);
codec->decode(&stream, &fBitmap[i], gRec[i].fPrefConfig,
SkImageDecoder::kDecodePixels_Mode);
}
SkDELETE(codec);
}
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "ImageDecoder");
return true;
}
return this->INHERITED::onQuery(evt);
}
void drawBG(SkCanvas* canvas) {
canvas->drawColor(0xFFDDDDDD);
// canvas->drawColor(SK_ColorWHITE);
}
virtual void onDraw(SkCanvas* canvas) {
this->drawBG(canvas);
canvas->translate(SkIntToScalar(10), SkIntToScalar(20));
for (size_t i = 0; i < SK_ARRAY_COUNT(fBitmap); i++) {
canvas->drawBitmap(fBitmap[i], 0, 0);
canvas->translate(SkIntToScalar(fBitmap[i].width()), 0);
}
}
private:
typedef SkView INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new DecodeView; }
static SkViewRegister reg(MyFactory);