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1 /*
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"
13 #include "SkImageGenerator.h"
14 #include "SkImageDecoder.h"
15 #include "SkOSFile.h"
16 #include "SkTextureCompressor.h"
17 
18 static 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 
35 static const int kNumASTCFilenames = SK_ARRAY_COUNT(kASTCFilenames);
36 
get_astc_filename(int idx)37 static inline const char *get_astc_filename(int idx) {
38     if (idx < 0 || kNumASTCFilenames <= idx) {
39         return "";
40     }
41     return kASTCFilenames[idx];
42 }
43 
44 namespace {
45 const int kGMDimension = 600;
46 const int kBitmapDimension = kGMDimension / 4;
47 }  // namespace
48 
DEF_SIMPLE_GM(astcbitmap,canvas,kGMDimension,kGMDimension)49 DEF_SIMPLE_GM(astcbitmap, canvas, kGMDimension, kGMDimension) {
50     for (int j = 0; j < 4; ++j) {
51         for (int i = 0; i < 4; ++i) {
52             SkBitmap bm;
53             if (GetResourceAsBitmap(get_astc_filename(j*4+i), &bm)) {
54                 const SkScalar bmX = static_cast<SkScalar>(i*kBitmapDimension);
55                 const SkScalar bmY = static_cast<SkScalar>(j*kBitmapDimension);
56                 canvas->drawBitmap(bm, bmX, bmY);
57             }
58         }
59     }
60 }
61 
DEF_SIMPLE_GM(astc_image,canvas,kGMDimension,kGMDimension)62 DEF_SIMPLE_GM(astc_image, canvas, kGMDimension, kGMDimension) {
63     for (int j = 0; j < 4; ++j) {
64         for (int i = 0; i < 4; ++i) {
65             SkAutoTUnref<SkImage> image(GetResourceAsImage(get_astc_filename(j*4+i)));
66             if (image) {
67                 const SkScalar bmX = static_cast<SkScalar>(i*kBitmapDimension);
68                 const SkScalar bmY = static_cast<SkScalar>(j*kBitmapDimension);
69                 canvas->drawImage(image, bmX, bmY);
70             }
71         }
72     }
73 }
74