565901db95
Make SkAutoTMalloc's interface look more like SkAutoMalloc: - add free(), which does what you expect - make reset() return a pointer fPtr No public API changes (SkAutoTMalloc is in include/private) BUG=skia:2148 Review URL: https://codereview.chromium.org/1516833003
63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkImageEncoder.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkStream.h"
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#include "SkTemplates.h"
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#include "Test.h"
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static SkColorType gColorTypes[] = {
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kRGB_565_SkColorType,
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kN32_SkColorType,
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};
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DEF_TEST(ARGBImageEncoder, reporter) {
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// Bytes we expect to get:
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const int kWidth = 3;
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const int kHeight = 5;
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const unsigned char comparisonBuffer[] = {
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// kHeight rows, each with kWidth pixels, premultiplied ARGB for each pixel
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0xff,0xff,0x00,0x00, 0xff,0xff,0x00,0x00, 0xff,0xff,0x00,0x00, // red
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0xff,0x00,0xff,0x00, 0xff,0x00,0xff,0x00, 0xff,0x00,0xff,0x00, // green
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0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, // blue
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0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, // blue
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0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, 0xff,0x00,0x00,0xff, // blue
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};
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SkAutoTDelete<SkImageEncoder> enc(CreateARGBImageEncoder());
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for (size_t ctIndex = 0; ctIndex < SK_ARRAY_COUNT(gColorTypes); ++ctIndex) {
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// A bitmap that should generate the above bytes:
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SkBitmap bitmap;
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{
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bitmap.allocPixels(SkImageInfo::Make(kWidth, kHeight, gColorTypes[ctIndex],
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kOpaque_SkAlphaType));
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bitmap.eraseColor(SK_ColorBLUE);
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// Change rows [0,1] from blue to [red,green].
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SkCanvas canvas(bitmap);
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SkPaint paint;
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paint.setColor(SK_ColorRED);
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canvas.drawIRect(SkIRect::MakeLTRB(0, 0, kWidth, 1), paint);
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paint.setColor(SK_ColorGREEN);
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canvas.drawIRect(SkIRect::MakeLTRB(0, 1, kWidth, 2), paint);
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}
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// Transform the bitmap.
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int bufferSize = bitmap.width() * bitmap.height() * 4;
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SkAutoTMalloc<char> pixelBufferManager(bufferSize);
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char* pixelBuffer = pixelBufferManager.get();
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SkMemoryWStream out(pixelBuffer, bufferSize);
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REPORTER_ASSERT(reporter, enc->encodeStream(&out, bitmap, SkImageEncoder::kDefaultQuality));
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// Confirm we got the expected results.
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REPORTER_ASSERT(reporter, bufferSize == sizeof(comparisonBuffer));
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REPORTER_ASSERT(reporter, memcmp(pixelBuffer, comparisonBuffer, bufferSize) == 0);
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}
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}
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