skia2/bench/BitmapRegionDecoderBench.cpp
msarett 35e5d1b449 Refactor SkBitmapRegionDecoderInterface for Android
The result SkBitmap, the pixel allocator, and the alpha
preference need to be communicated from the client to
the region decoder.

BUG=skia:

Review URL: https://codereview.chromium.org/1418093006
2015-10-27 12:50:25 -07:00

69 lines
2.1 KiB
C++

/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "BitmapRegionDecoderBench.h"
#include "CodecBenchPriv.h"
#include "SkBitmap.h"
#include "SkCodecTools.h"
#include "SkOSFile.h"
BitmapRegionDecoderBench::BitmapRegionDecoderBench(const char* baseName, SkData* encoded,
SkBitmapRegionDecoderInterface::Strategy strategy, SkColorType colorType,
uint32_t sampleSize, const SkIRect& subset)
: fBRD(nullptr)
, fData(SkRef(encoded))
, fStrategy(strategy)
, fColorType(colorType)
, fSampleSize(sampleSize)
, fSubset(subset)
{
// Choose a useful name for the region decoding strategy
const char* strategyName;
switch (strategy) {
case SkBitmapRegionDecoderInterface::kOriginal_Strategy:
strategyName = "Original";
break;
case SkBitmapRegionDecoderInterface::kCanvas_Strategy:
strategyName = "Canvas";
break;
case SkBitmapRegionDecoderInterface::kAndroidCodec_Strategy:
strategyName = "AndroidCodec";
break;
default:
SkASSERT(false);
strategyName = "";
break;
}
// Choose a useful name for the color type
const char* colorName = color_type_to_str(colorType);
fName.printf("BRD_%s_%s_%s", baseName, strategyName, colorName);
if (1 != sampleSize) {
fName.appendf("_%.3f", get_scale_from_sample_size(sampleSize));
}
}
const char* BitmapRegionDecoderBench::onGetName() {
return fName.c_str();
}
bool BitmapRegionDecoderBench::isSuitableFor(Backend backend) {
return kNonRendering_Backend == backend;
}
void BitmapRegionDecoderBench::onDelayedSetup() {
fBRD.reset(SkBitmapRegionDecoderInterface::CreateBitmapRegionDecoder(fData, fStrategy));
}
void BitmapRegionDecoderBench::onDraw(int n, SkCanvas* canvas) {
for (int i = 0; i < n; i++) {
SkBitmap bm;
SkAssertResult(fBRD->decodeRegion(&bm, nullptr, fSubset, fSampleSize, fColorType, false));
}
}