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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "Resources.h"
#include "SkCanvas.h"
#include "SkData.h"
#include "SkImageGenerator.h"
#include "SkImageDecoder.h"
#include "SkOSFile.h"
#include "SkTextureCompressor.h"
static const char *kASTCFilenames[] = {
"mandrill_128x128_4x4.astc", // kASTC_4x4_Format
"mandrill_130x128_5x4.astc", // kASTC_5x4_Format
"mandrill_130x130_5x5.astc", // kASTC_5x5_Format
"mandrill_132x130_6x5.astc", // kASTC_6x5_Format
"mandrill_132x132_6x6.astc", // kASTC_6x6_Format
"mandrill_128x130_8x5.astc", // kASTC_8x5_Format
"mandrill_128x132_8x6.astc", // kASTC_8x6_Format
"mandrill_128x128_8x8.astc", // kASTC_8x8_Format
"mandrill_130x130_10x5.astc", // kASTC_10x5_Format
"mandrill_130x132_10x6.astc", // kASTC_10x6_Format
"mandrill_130x128_10x8.astc", // kASTC_10x8_Format
"mandrill_130x130_10x10.astc", // kASTC_10x10_Format
"mandrill_132x130_12x10.astc", // kASTC_12x10_Format
"mandrill_132x132_12x12.astc", // kASTC_12x12_Format
};
static const int kNumASTCFilenames = SK_ARRAY_COUNT(kASTCFilenames);
static inline const char *get_astc_filename(int idx) {
if (idx < 0 || kNumASTCFilenames <= idx) {
return "";
}
return kASTCFilenames[idx];
}
namespace skiagm {
/**
* Test decoding an image from an ASTC file and then from compressed ASTC data.
*/
class ASTCBitmapGM : public GM {
public:
ASTCBitmapGM() { }
virtual ~ASTCBitmapGM() { }
protected:
SkString onShortName() SK_OVERRIDE {
return SkString("astcbitmap");
}
SkISize onISize() SK_OVERRIDE {
return SkISize::Make(kGMDimension, kGMDimension);
}
void onDraw(SkCanvas* canvas) SK_OVERRIDE {
for (int j = 0; j < 4; ++j) {
for (int i = 0; i < 4; ++i) {
SkString filename = GetResourcePath(get_astc_filename(j*4+i));
if (filename == GetResourcePath("")) {
continue;
}
SkAutoTUnref<SkData> fileData(SkData::NewFromFileName(filename.c_str()));
if (NULL == fileData) {
SkDebugf("Could not open the file. Did you forget to set the resourcePath?\n");
return;
}
SkBitmap bm;
if (!SkInstallDiscardablePixelRef(fileData, &bm)) {
SkDebugf("Could not install discardable pixel ref.\n");
return;
}
const SkScalar bmX = static_cast<SkScalar>(i*kBitmapDimension);
const SkScalar bmY = static_cast<SkScalar>(j*kBitmapDimension);
canvas->drawBitmap(bm, bmX, bmY);
}
}
}
private:
static const int kGMDimension = 600;
static const int kBitmapDimension = kGMDimension/4;
typedef GM INHERITED;
};
} // namespace skiagm
//////////////////////////////////////////////////////////////////////////////
DEF_GM( return SkNEW(skiagm::ASTCBitmapGM); )
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