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Side by Side Diff: gm/bitmappremul.cpp

Issue 169913003: replace SkBitmap::Config with SkColorType in gms (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 6 years, 10 months ago
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1 /* 1 /*
2 * Copyright 2013 Google Inc. 2 * Copyright 2013 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "gm.h" 8 #include "gm.h"
9 #include "SkBitmap.h" 9 #include "SkBitmap.h"
10 #include "SkCanvas.h" 10 #include "SkCanvas.h"
11 #include "SkColorPriv.h" 11 #include "SkColorPriv.h"
12 12
13 /** 13 /**
14 * This GM checks that bitmap pixels are unpremultiplied before being exported 14 * This GM checks that bitmap pixels are unpremultiplied before being exported
15 * to other formats. If unpremultiplication is implemented properly, this 15 * to other formats. If unpremultiplication is implemented properly, this
16 * GM should come out completely white. If not, this GM looks like a row of two 16 * GM should come out completely white. If not, this GM looks like a row of two
17 * greyscale gradients above a row of grey lines. 17 * greyscale gradients above a row of grey lines.
18 * This tests both the ARGB4444 and ARGB8888 bitmap configurations. 18 * This tests both the ARGB4444 and ARGB8888 bitmap configurations.
19 */ 19 */
20 20
21 static const int SLIDE_SIZE = 256; 21 static const int SLIDE_SIZE = 256;
22 static const int PIXEL_SIZE_8888 = SLIDE_SIZE / 256; 22 static const int PIXEL_SIZE_8888 = SLIDE_SIZE / 256;
23 static const int PIXEL_SIZE_4444 = SLIDE_SIZE / 16; 23 static const int PIXEL_SIZE_4444 = SLIDE_SIZE / 16;
24 24
25 static void init_bitmap(SkBitmap::Config config, SkBitmap* bitmap) { 25 static void init_bitmap(SkColorType ct, SkBitmap* bitmap) {
26 bitmap->allocConfigPixels(config, SLIDE_SIZE, SLIDE_SIZE); 26 bitmap->allocPixels(SkImageInfo::Make(SLIDE_SIZE, SLIDE_SIZE, ct,
27 kPremul_SkAlphaType));
27 bitmap->eraseColor(SK_ColorWHITE); 28 bitmap->eraseColor(SK_ColorWHITE);
28 } 29 }
29 30
30 static SkBitmap make_argb8888_gradient() { 31 static SkBitmap make_argb8888_gradient() {
31 SkBitmap bitmap; 32 SkBitmap bitmap;
32 init_bitmap(SkBitmap::kARGB_8888_Config, &bitmap); 33 init_bitmap(kPMColor_SkColorType, &bitmap);
33 uint8_t rowColor = 0; 34 uint8_t rowColor = 0;
34 for (int y = 0; y < SLIDE_SIZE; y++) { 35 for (int y = 0; y < SLIDE_SIZE; y++) {
35 uint32_t* dst = bitmap.getAddr32(0, y); 36 uint32_t* dst = bitmap.getAddr32(0, y);
36 for (int x = 0; x < SLIDE_SIZE; x++) { 37 for (int x = 0; x < SLIDE_SIZE; x++) {
37 dst[x] = SkPackARGB32(rowColor, rowColor, 38 dst[x] = SkPackARGB32(rowColor, rowColor,
38 rowColor, rowColor); 39 rowColor, rowColor);
39 } 40 }
40 if (y % PIXEL_SIZE_8888 == PIXEL_SIZE_8888 - 1) { 41 if (y % PIXEL_SIZE_8888 == PIXEL_SIZE_8888 - 1) {
41 rowColor++; 42 rowColor++;
42 } 43 }
43 } 44 }
44 return bitmap; 45 return bitmap;
45 } 46 }
46 47
47 static SkBitmap make_argb4444_gradient() { 48 static SkBitmap make_argb4444_gradient() {
48 SkBitmap bitmap; 49 SkBitmap bitmap;
49 init_bitmap(SkBitmap::kARGB_4444_Config, &bitmap); 50 init_bitmap(kARGB_4444_SkColorType, &bitmap);
50 uint8_t rowColor = 0; 51 uint8_t rowColor = 0;
51 for (int y = 0; y < SLIDE_SIZE; y++) { 52 for (int y = 0; y < SLIDE_SIZE; y++) {
52 uint16_t* dst = bitmap.getAddr16(0, y); 53 uint16_t* dst = bitmap.getAddr16(0, y);
53 for (int x = 0; x < SLIDE_SIZE; x++) { 54 for (int x = 0; x < SLIDE_SIZE; x++) {
54 dst[x] = SkPackARGB4444(rowColor, rowColor, 55 dst[x] = SkPackARGB4444(rowColor, rowColor,
55 rowColor, rowColor); 56 rowColor, rowColor);
56 } 57 }
57 if (y % PIXEL_SIZE_4444 == PIXEL_SIZE_4444 - 1) { 58 if (y % PIXEL_SIZE_4444 == PIXEL_SIZE_4444 - 1) {
58 rowColor++; 59 rowColor++;
59 } 60 }
60 } 61 }
61 return bitmap; 62 return bitmap;
62 } 63 }
63 64
64 static SkBitmap make_argb8888_stripes() { 65 static SkBitmap make_argb8888_stripes() {
65 SkBitmap bitmap; 66 SkBitmap bitmap;
66 init_bitmap(SkBitmap::kARGB_8888_Config, &bitmap); 67 init_bitmap(kPMColor_SkColorType, &bitmap);
67 uint8_t rowColor = 0; 68 uint8_t rowColor = 0;
68 for (int y = 0; y < SLIDE_SIZE; y++) { 69 for (int y = 0; y < SLIDE_SIZE; y++) {
69 uint32_t* dst = bitmap.getAddr32(0, y); 70 uint32_t* dst = bitmap.getAddr32(0, y);
70 for (int x = 0; x < SLIDE_SIZE; x++) { 71 for (int x = 0; x < SLIDE_SIZE; x++) {
71 dst[x] = SkPackARGB32(rowColor, rowColor, 72 dst[x] = SkPackARGB32(rowColor, rowColor,
72 rowColor, rowColor); 73 rowColor, rowColor);
73 } 74 }
74 if (rowColor == 0) { 75 if (rowColor == 0) {
75 rowColor = 255; 76 rowColor = 255;
76 } else { 77 } else {
77 rowColor = 0; 78 rowColor = 0;
78 } 79 }
79 } 80 }
80 return bitmap; 81 return bitmap;
81 } 82 }
82 83
83 static SkBitmap make_argb4444_stripes() { 84 static SkBitmap make_argb4444_stripes() {
84 SkBitmap bitmap; 85 SkBitmap bitmap;
85 init_bitmap(SkBitmap::kARGB_4444_Config, &bitmap); 86 init_bitmap(kARGB_4444_SkColorType, &bitmap);
86 uint8_t rowColor = 0;; 87 uint8_t rowColor = 0;;
87 for (int y = 0; y < SLIDE_SIZE; y++) { 88 for (int y = 0; y < SLIDE_SIZE; y++) {
88 uint16_t* dst = bitmap.getAddr16(0, y); 89 uint16_t* dst = bitmap.getAddr16(0, y);
89 for (int x = 0; x < SLIDE_SIZE; x++) { 90 for (int x = 0; x < SLIDE_SIZE; x++) {
90 dst[x] = SkPackARGB4444(rowColor, rowColor, 91 dst[x] = SkPackARGB4444(rowColor, rowColor,
91 rowColor, rowColor); 92 rowColor, rowColor);
92 } 93 }
93 if (rowColor == 0) { 94 if (rowColor == 0) {
94 rowColor = 15; 95 rowColor = 15;
95 } else { 96 } else {
(...skipping 27 matching lines...) Expand all
123 canvas->drawBitmap(make_argb8888_stripes(), 0, slideSize); 124 canvas->drawBitmap(make_argb8888_stripes(), 0, slideSize);
124 canvas->drawBitmap(make_argb4444_stripes(), slideSize, slideSize); 125 canvas->drawBitmap(make_argb4444_stripes(), slideSize, slideSize);
125 } 126 }
126 127
127 private: 128 private:
128 typedef GM INHERITED; 129 typedef GM INHERITED;
129 }; 130 };
130 131
131 DEF_GM( return new BitmapPremulGM; ) 132 DEF_GM( return new BitmapPremulGM; )
132 } 133 }
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