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1 /* | |
2 * Copyright 2015 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 "sk_tool_utils.h" | |
9 #include "SkSurface.h" | |
10 #include "Resources.h" | |
11 #include "gm.h" | |
12 | |
13 DEF_SIMPLE_GM(all_bitmap_configs, canvas, 128, 640) { | |
14 SkPaint p; | |
15 p.setColor(SK_ColorBLACK); | |
16 sk_tool_utils::set_portable_typeface(&p); | |
17 | |
18 sk_tool_utils::draw_checkerboard(canvas, SK_ColorLTGRAY, SK_ColorWHITE, 8); | |
19 | |
20 SkBitmap bitmap; | |
21 if (GetResourceAsBitmap("color_wheel.png", &bitmap)) { | |
22 bitmap.setImmutable(); | |
23 SkASSERT(bitmap.colorType() == kN32_SkColorType); | |
24 canvas->drawBitmap(bitmap, 0.0f, 0.0f); | |
25 const char kN32[] = "Native 32"; | |
26 canvas->drawText(kN32, strlen(kN32), 0, 12, p); | |
27 | |
28 SkAutoTUnref<SkSurface> surf565(SkSurface::NewRaster(SkImageInfo::Make( | |
mtklein
2015/02/23 14:26:52
Why not use SkBitmap::copyTo() here too?
hal.canary
2015/03/20 01:09:45
Done.
| |
29 128, 128, kRGB_565_SkColorType, kOpaque_SkAlphaType))); | |
30 SkCanvas* canvas565 = surf565->getCanvas(); | |
31 canvas565->drawColor(SK_ColorLTGRAY); | |
32 canvas565->drawBitmap(bitmap, 0.0f, 0.0f); | |
33 surf565->draw(canvas, 0.0f, 128.0f, NULL); | |
34 const char kRGB565[] = "RGB 565"; | |
35 canvas->drawText(kRGB565, strlen(kRGB565), 0, 140, p); | |
36 | |
37 SkBitmap copy4444; | |
38 bitmap.copyTo(©4444, kARGB_4444_SkColorType); | |
39 copy4444.setImmutable(); | |
40 SkASSERT(copy4444.colorType() == kARGB_4444_SkColorType); | |
41 canvas->drawBitmap(copy4444, 0.0f, 256.0f); | |
42 const char kARGB4444[] = "ARGB 4444"; | |
43 canvas->drawText(kARGB4444, strlen(kARGB4444), 0, 268, p); | |
44 } | |
45 | |
46 SkBitmap bitmapIndexed; | |
47 if (GetResourceAsBitmap("color_wheel.gif", &bitmapIndexed)) { | |
48 bitmapIndexed.setImmutable(); | |
49 SkASSERT(bitmapIndexed.colorType() == kIndex_8_SkColorType); | |
50 canvas->drawBitmap(bitmapIndexed, 0.0f, 384.0f); | |
51 const char kIndex8[] = "Index 8"; | |
52 canvas->drawText(kIndex8, strlen(kIndex8), 0, 396, p); | |
53 } | |
54 | |
55 SkBitmap bitmapA8; | |
56 bitmapA8.allocPixels(SkImageInfo::MakeA8(128, 128)); | |
57 SkAutoLockPixels autoLockPixels(bitmapA8); | |
58 uint8_t spectrum[256]; | |
mtklein
2015/02/23 14:26:52
Seems fine, but we really only need 128, right?
hal.canary
2015/03/20 01:09:45
I'm shifting it over one pixel for each scanline.
| |
59 for (int y = 0; y < 256; ++y) { | |
60 spectrum[y] = y; | |
61 } | |
62 for (int y = 0; y < 128; ++y) { | |
63 memcpy(bitmapA8.getAddr8(0, y), &spectrum[y], 128); | |
64 } | |
65 bitmapA8.setImmutable(); | |
66 SkASSERT(bitmapA8.colorType() == kAlpha_8_SkColorType); | |
67 canvas->drawBitmap(bitmapA8, 0.0f, 512.0f); | |
68 const char kAlpha8[] = "Alpha 8"; | |
69 canvas->drawText(kAlpha8, strlen(kAlpha8), 0, 524, p); | |
70 } | |
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