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krajcevski95b1b3d2014-08-07 12:58:38 -07001/*
2 * Copyright 2014 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "gm.h"
9
10#include "Resources.h"
11#include "SkCanvas.h"
12#include "SkData.h"
reed5965c8a2015-01-07 18:04:45 -080013#include "SkImageGenerator.h"
krajcevski95b1b3d2014-08-07 12:58:38 -070014#include "SkImageDecoder.h"
15#include "SkOSFile.h"
16#include "SkTextureCompressor.h"
17
18static const char *kASTCFilenames[] = {
19 "mandrill_128x128_4x4.astc", // kASTC_4x4_Format
20 "mandrill_130x128_5x4.astc", // kASTC_5x4_Format
21 "mandrill_130x130_5x5.astc", // kASTC_5x5_Format
22 "mandrill_132x130_6x5.astc", // kASTC_6x5_Format
23 "mandrill_132x132_6x6.astc", // kASTC_6x6_Format
24 "mandrill_128x130_8x5.astc", // kASTC_8x5_Format
25 "mandrill_128x132_8x6.astc", // kASTC_8x6_Format
26 "mandrill_128x128_8x8.astc", // kASTC_8x8_Format
27 "mandrill_130x130_10x5.astc", // kASTC_10x5_Format
28 "mandrill_130x132_10x6.astc", // kASTC_10x6_Format
29 "mandrill_130x128_10x8.astc", // kASTC_10x8_Format
30 "mandrill_130x130_10x10.astc", // kASTC_10x10_Format
31 "mandrill_132x130_12x10.astc", // kASTC_12x10_Format
32 "mandrill_132x132_12x12.astc", // kASTC_12x12_Format
33};
34
35static const int kNumASTCFilenames = SK_ARRAY_COUNT(kASTCFilenames);
36
37static inline const char *get_astc_filename(int idx) {
38 if (idx < 0 || kNumASTCFilenames <= idx) {
39 return "";
40 }
41
42 return kASTCFilenames[idx];
43}
44
45namespace skiagm {
46
47/**
48 * Test decoding an image from an ASTC file and then from compressed ASTC data.
49 */
50class ASTCBitmapGM : public GM {
51public:
52 ASTCBitmapGM() { }
53 virtual ~ASTCBitmapGM() { }
54
55protected:
mtklein36352bf2015-03-25 18:17:31 -070056 SkString onShortName() override {
krajcevski95b1b3d2014-08-07 12:58:38 -070057 return SkString("astcbitmap");
58 }
59
mtklein36352bf2015-03-25 18:17:31 -070060 SkISize onISize() override {
krajcevski95b1b3d2014-08-07 12:58:38 -070061 return SkISize::Make(kGMDimension, kGMDimension);
62 }
63
mtklein36352bf2015-03-25 18:17:31 -070064 void onDraw(SkCanvas* canvas) override {
krajcevski95b1b3d2014-08-07 12:58:38 -070065 for (int j = 0; j < 4; ++j) {
66 for (int i = 0; i < 4; ++i) {
67 SkString filename = GetResourcePath(get_astc_filename(j*4+i));
68 if (filename == GetResourcePath("")) {
69 continue;
70 }
71
72 SkAutoTUnref<SkData> fileData(SkData::NewFromFileName(filename.c_str()));
73 if (NULL == fileData) {
74 SkDebugf("Could not open the file. Did you forget to set the resourcePath?\n");
75 return;
76 }
77
78 SkBitmap bm;
reed5965c8a2015-01-07 18:04:45 -080079 if (!SkInstallDiscardablePixelRef(fileData, &bm)) {
krajcevski95b1b3d2014-08-07 12:58:38 -070080 SkDebugf("Could not install discardable pixel ref.\n");
81 return;
82 }
83
84 const SkScalar bmX = static_cast<SkScalar>(i*kBitmapDimension);
85 const SkScalar bmY = static_cast<SkScalar>(j*kBitmapDimension);
86 canvas->drawBitmap(bm, bmX, bmY);
87 }
88 }
89 }
90
91private:
92 static const int kGMDimension = 600;
93 static const int kBitmapDimension = kGMDimension/4;
94
95 typedef GM INHERITED;
96};
97
98} // namespace skiagm
99
100//////////////////////////////////////////////////////////////////////////////
101
102DEF_GM( return SkNEW(skiagm::ASTCBitmapGM); )