96fcdcc219
DOCS_PREVIEW= https://skia.org/?cl=1316233002 Review URL: https://codereview.chromium.org/1316233002
103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/*
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* Copyright 2014 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 "gm.h"
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#include "Resources.h"
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#include "SkCanvas.h"
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#include "SkData.h"
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#include "SkImageGenerator.h"
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#include "SkImageDecoder.h"
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#include "SkOSFile.h"
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#include "SkTextureCompressor.h"
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static const char *kASTCFilenames[] = {
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"mandrill_128x128_4x4.astc", // kASTC_4x4_Format
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"mandrill_130x128_5x4.astc", // kASTC_5x4_Format
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"mandrill_130x130_5x5.astc", // kASTC_5x5_Format
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"mandrill_132x130_6x5.astc", // kASTC_6x5_Format
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"mandrill_132x132_6x6.astc", // kASTC_6x6_Format
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"mandrill_128x130_8x5.astc", // kASTC_8x5_Format
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"mandrill_128x132_8x6.astc", // kASTC_8x6_Format
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"mandrill_128x128_8x8.astc", // kASTC_8x8_Format
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"mandrill_130x130_10x5.astc", // kASTC_10x5_Format
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"mandrill_130x132_10x6.astc", // kASTC_10x6_Format
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"mandrill_130x128_10x8.astc", // kASTC_10x8_Format
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"mandrill_130x130_10x10.astc", // kASTC_10x10_Format
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"mandrill_132x130_12x10.astc", // kASTC_12x10_Format
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"mandrill_132x132_12x12.astc", // kASTC_12x12_Format
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};
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static const int kNumASTCFilenames = SK_ARRAY_COUNT(kASTCFilenames);
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static inline const char *get_astc_filename(int idx) {
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if (idx < 0 || kNumASTCFilenames <= idx) {
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return "";
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}
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return kASTCFilenames[idx];
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}
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namespace skiagm {
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/**
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* Test decoding an image from an ASTC file and then from compressed ASTC data.
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*/
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class ASTCBitmapGM : public GM {
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public:
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ASTCBitmapGM() { }
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virtual ~ASTCBitmapGM() { }
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protected:
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SkString onShortName() override {
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return SkString("astcbitmap");
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}
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SkISize onISize() override {
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return SkISize::Make(kGMDimension, kGMDimension);
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}
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void onDraw(SkCanvas* canvas) override {
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for (int j = 0; j < 4; ++j) {
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for (int i = 0; i < 4; ++i) {
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SkString filename = GetResourcePath(get_astc_filename(j*4+i));
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if (filename == GetResourcePath("")) {
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continue;
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}
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SkAutoTUnref<SkData> fileData(SkData::NewFromFileName(filename.c_str()));
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if (nullptr == fileData) {
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SkDebugf("Could not open the file. Did you forget to set the resourcePath?\n");
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return;
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}
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SkBitmap bm;
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if (!SkInstallDiscardablePixelRef(fileData, &bm)) {
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SkDebugf("Could not install discardable pixel ref.\n");
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return;
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}
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const SkScalar bmX = static_cast<SkScalar>(i*kBitmapDimension);
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const SkScalar bmY = static_cast<SkScalar>(j*kBitmapDimension);
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canvas->drawBitmap(bm, bmX, bmY);
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}
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}
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}
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private:
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static const int kGMDimension = 600;
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static const int kBitmapDimension = kGMDimension/4;
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typedef GM INHERITED;
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};
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} // namespace skiagm
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new skiagm::ASTCBitmapGM;)
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