commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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" |
senorblanco@chromium.org | 0a5c233 | 2014-04-29 15:20:39 +0000 | [diff] [blame] | 9 | #include "SkColorMatrixFilter.h" |
| 10 | #include "SkColorFilterImageFilter.h" |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 11 | #include "SkTileImageFilter.h" |
| 12 | #include "SkBitmapSource.h" |
| 13 | |
| 14 | #define WIDTH 400 |
| 15 | #define HEIGHT 100 |
| 16 | #define MARGIN 12 |
| 17 | |
| 18 | namespace skiagm { |
| 19 | |
| 20 | class TileImageFilterGM : public GM { |
| 21 | public: |
| 22 | TileImageFilterGM() : fInitialized(false) { |
| 23 | this->setBGColor(0xFF000000); |
| 24 | } |
| 25 | |
| 26 | protected: |
| 27 | virtual SkString onShortName() { |
| 28 | return SkString("tileimagefilter"); |
| 29 | } |
| 30 | |
| 31 | void make_bitmap() { |
senorblanco@chromium.org | 0a5c233 | 2014-04-29 15:20:39 +0000 | [diff] [blame] | 32 | fBitmap.allocN32Pixels(50, 50); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 33 | SkCanvas canvas(fBitmap); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 34 | canvas.clear(0xFF000000); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 35 | SkPaint paint; |
| 36 | paint.setAntiAlias(true); |
Cary Clark | 992c7b0 | 2014-07-31 08:58:44 -0400 | [diff] [blame] | 37 | sk_tool_utils::set_portable_typeface(&paint); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 38 | paint.setColor(0xD000D000); |
senorblanco@chromium.org | 0a5c233 | 2014-04-29 15:20:39 +0000 | [diff] [blame] | 39 | paint.setTextSize(SkIntToScalar(50)); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 40 | const char* str = "e"; |
senorblanco@chromium.org | 0a5c233 | 2014-04-29 15:20:39 +0000 | [diff] [blame] | 41 | canvas.drawText(str, strlen(str), SkIntToScalar(10), SkIntToScalar(45), paint); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | void make_checkerboard() { |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 45 | fCheckerboard.allocN32Pixels(80, 80); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 46 | SkCanvas canvas(fCheckerboard); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 47 | canvas.clear(0x00000000); |
| 48 | SkPaint darkPaint; |
| 49 | darkPaint.setColor(0xFF404040); |
| 50 | SkPaint lightPaint; |
| 51 | lightPaint.setColor(0xFFA0A0A0); |
| 52 | for (int y = 0; y < 80; y += 16) { |
| 53 | for (int x = 0; x < 80; x += 16) { |
| 54 | canvas.save(); |
| 55 | canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); |
| 56 | canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); |
| 57 | canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); |
| 58 | canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); |
| 59 | canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); |
| 60 | canvas.restore(); |
| 61 | } |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | virtual SkISize onISize() { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 66 | return SkISize::Make(WIDTH, HEIGHT); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 67 | } |
| 68 | |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 69 | virtual void onDraw(SkCanvas* canvas) { |
| 70 | if (!fInitialized) { |
| 71 | make_bitmap(); |
| 72 | make_checkerboard(); |
| 73 | fInitialized = true; |
| 74 | } |
| 75 | canvas->clear(0x00000000); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 76 | |
| 77 | int x = 0, y = 0; |
| 78 | for (size_t i = 0; i < 4; i++) { |
| 79 | SkBitmap* bitmap = (i & 0x01) ? &fCheckerboard : &fBitmap; |
| 80 | SkRect srcRect = SkRect::MakeXYWH(SkIntToScalar(bitmap->width()/4), |
| 81 | SkIntToScalar(bitmap->height()/4), |
| 82 | SkIntToScalar(bitmap->width()/(i+1)), |
| 83 | SkIntToScalar(bitmap->height()/(i+1))); |
| 84 | SkRect dstRect = SkRect::MakeXYWH(SkIntToScalar(i * 8), |
| 85 | SkIntToScalar(i * 4), |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 86 | SkIntToScalar(bitmap->width() - i * 12), |
| 87 | SkIntToScalar(bitmap->height()) - i * 12); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 88 | SkAutoTUnref<SkImageFilter> tileInput(SkBitmapSource::Create(*bitmap)); |
| 89 | SkAutoTUnref<SkImageFilter> filter( |
| 90 | SkTileImageFilter::Create(srcRect, dstRect, tileInput)); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 91 | canvas->save(); |
| 92 | canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
senorblanco@chromium.org | 0a5c233 | 2014-04-29 15:20:39 +0000 | [diff] [blame] | 93 | SkPaint paint; |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 94 | paint.setImageFilter(filter); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 95 | canvas->drawBitmap(fBitmap, 0, 0, &paint); |
| 96 | canvas->restore(); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 97 | x += bitmap->width() + MARGIN; |
| 98 | if (x + bitmap->width() > WIDTH) { |
| 99 | x = 0; |
| 100 | y += bitmap->height() + MARGIN; |
| 101 | } |
| 102 | } |
senorblanco@chromium.org | 0a5c233 | 2014-04-29 15:20:39 +0000 | [diff] [blame] | 103 | |
| 104 | SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0, |
| 105 | 0, SK_Scalar1, 0, 0, 0, |
| 106 | 0, 0, SK_Scalar1, 0, 0, |
| 107 | 0, 0, 0, SK_Scalar1, 0 }; |
| 108 | |
| 109 | SkRect srcRect = SkRect::MakeWH(SkIntToScalar(fBitmap.width()), |
| 110 | SkIntToScalar(fBitmap.height())); |
| 111 | SkRect dstRect = SkRect::MakeWH(SkIntToScalar(fBitmap.width() * 2), |
| 112 | SkIntToScalar(fBitmap.height() * 2)); |
| 113 | SkAutoTUnref<SkImageFilter> tile(SkTileImageFilter::Create(srcRect, dstRect, NULL)); |
| 114 | SkAutoTUnref<SkColorFilter> cf(SkColorMatrixFilter::Create(matrix)); |
| 115 | |
| 116 | SkAutoTUnref<SkImageFilter> cfif(SkColorFilterImageFilter::Create(cf, tile.get())); |
| 117 | SkPaint paint; |
| 118 | paint.setImageFilter(cfif); |
| 119 | canvas->save(); |
| 120 | canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
| 121 | canvas->clipRect(dstRect); |
| 122 | canvas->saveLayer(&dstRect, &paint); |
| 123 | canvas->drawBitmap(fBitmap, 0, 0); |
| 124 | canvas->restore(); |
| 125 | canvas->restore(); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 126 | } |
| 127 | private: |
| 128 | typedef GM INHERITED; |
| 129 | SkBitmap fBitmap, fCheckerboard; |
| 130 | bool fInitialized; |
| 131 | }; |
| 132 | |
| 133 | ////////////////////////////////////////////////////////////////////////////// |
| 134 | |
| 135 | static GM* MyFactory(void*) { return new TileImageFilterGM; } |
| 136 | static GMRegistry reg(MyFactory); |
| 137 | |
| 138 | } |