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 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "gm/gm.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 9 | #include "include/core/SkBitmap.h" |
| 10 | #include "include/core/SkBlendMode.h" |
| 11 | #include "include/core/SkCanvas.h" |
| 12 | #include "include/core/SkColor.h" |
| 13 | #include "include/core/SkColorFilter.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 14 | #include "include/core/SkImage.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 15 | #include "include/core/SkImageFilter.h" |
| 16 | #include "include/core/SkPaint.h" |
| 17 | #include "include/core/SkRect.h" |
| 18 | #include "include/core/SkRefCnt.h" |
| 19 | #include "include/core/SkScalar.h" |
| 20 | #include "include/core/SkSize.h" |
| 21 | #include "include/core/SkString.h" |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 22 | #include "include/effects/SkImageFilters.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 23 | #include "tools/ToolUtils.h" |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 24 | |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 25 | #include <stddef.h> |
| 26 | #include <utility> |
| 27 | |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 28 | #define WIDTH 400 |
senorblanco | f270029 | 2016-04-01 09:24:48 -0700 | [diff] [blame] | 29 | #define HEIGHT 200 |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 30 | #define MARGIN 12 |
| 31 | |
| 32 | namespace skiagm { |
| 33 | |
| 34 | class TileImageFilterGM : public GM { |
| 35 | public: |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 36 | TileImageFilterGM() { |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 37 | this->setBGColor(0xFF000000); |
| 38 | } |
| 39 | |
| 40 | protected: |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 41 | SkString onShortName() override { |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 42 | return SkString("tileimagefilter"); |
| 43 | } |
| 44 | |
Hal Canary | fa3305a | 2019-07-18 12:36:54 -0400 | [diff] [blame] | 45 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 46 | return SkISize::Make(WIDTH, HEIGHT); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 47 | } |
| 48 | |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 49 | void onOnceBeforeDraw() override { |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 50 | fBitmap = SkImage::MakeFromBitmap( |
Mike Klein | ea3f014 | 2019-03-20 11:12:10 -0500 | [diff] [blame] | 51 | ToolUtils::create_string_bitmap(50, 50, 0xD000D000, 10, 45, 50, "e")); |
halcanary | 878fa02 | 2015-01-26 11:24:32 -0800 | [diff] [blame] | 52 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 53 | fCheckerboard = SkImage::MakeFromBitmap( |
Mike Klein | ea3f014 | 2019-03-20 11:12:10 -0500 | [diff] [blame] | 54 | ToolUtils::create_checkerboard_bitmap(80, 80, 0xFFA0A0A0, 0xFF404040, 8)); |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 55 | } |
halcanary | 878fa02 | 2015-01-26 11:24:32 -0800 | [diff] [blame] | 56 | |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 57 | void onDraw(SkCanvas* canvas) override { |
senorblanco | 16b254a | 2015-04-09 11:13:24 -0700 | [diff] [blame] | 58 | canvas->clear(SK_ColorBLACK); |
senorblanco | a9fbd16 | 2016-01-11 14:09:09 -0800 | [diff] [blame] | 59 | SkPaint red; |
| 60 | red.setColor(SK_ColorRED); |
| 61 | red.setStyle(SkPaint::kStroke_Style); |
| 62 | SkPaint blue; |
| 63 | blue.setColor(SK_ColorBLUE); |
| 64 | blue.setStyle(SkPaint::kStroke_Style); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 65 | |
| 66 | int x = 0, y = 0; |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 67 | |
| 68 | { |
| 69 | for (size_t i = 0; i < 4; i++) { |
| 70 | sk_sp<SkImage> image = (i & 0x01) ? fCheckerboard : fBitmap; |
| 71 | SkRect srcRect = SkRect::MakeXYWH(SkIntToScalar(image->width()/4), |
| 72 | SkIntToScalar(image->height()/4), |
| 73 | SkIntToScalar(image->width()/(i+1)), |
| 74 | SkIntToScalar(image->height()/(i+1))); |
| 75 | SkRect dstRect = SkRect::MakeXYWH(SkIntToScalar(i * 8), |
| 76 | SkIntToScalar(i * 4), |
| 77 | SkIntToScalar(image->width() - i * 12), |
| 78 | SkIntToScalar(image->height()) - i * 12); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 79 | sk_sp<SkImageFilter> tileInput(SkImageFilters::Image(image)); |
| 80 | sk_sp<SkImageFilter> filter(SkImageFilters::Tile(srcRect, dstRect, |
| 81 | std::move(tileInput))); |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 82 | canvas->save(); |
| 83 | canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
| 84 | SkPaint paint; |
| 85 | paint.setImageFilter(std::move(filter)); |
| 86 | canvas->drawImage(fBitmap.get(), 0, 0, &paint); |
| 87 | canvas->drawRect(srcRect, red); |
| 88 | canvas->drawRect(dstRect, blue); |
| 89 | canvas->restore(); |
| 90 | x += image->width() + MARGIN; |
| 91 | if (x + image->width() > WIDTH) { |
| 92 | x = 0; |
| 93 | y += image->height() + MARGIN; |
| 94 | } |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 95 | } |
| 96 | } |
senorblanco@chromium.org | 0a5c233 | 2014-04-29 15:20:39 +0000 | [diff] [blame] | 97 | |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 98 | { |
Mike Reed | e869a1e | 2019-04-30 12:18:54 -0400 | [diff] [blame] | 99 | float matrix[20] = { 1, 0, 0, 0, 0, |
| 100 | 0, 1, 0, 0, 0, |
| 101 | 0, 0, 1, 0, 0, |
| 102 | 0, 0, 0, 1, 0 }; |
senorblanco@chromium.org | 0a5c233 | 2014-04-29 15:20:39 +0000 | [diff] [blame] | 103 | |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 104 | SkRect srcRect = SkRect::MakeWH(SkIntToScalar(fBitmap->width()), |
| 105 | SkIntToScalar(fBitmap->height())); |
| 106 | SkRect dstRect = SkRect::MakeWH(SkIntToScalar(fBitmap->width() * 2), |
| 107 | SkIntToScalar(fBitmap->height() * 2)); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 108 | sk_sp<SkImageFilter> tile(SkImageFilters::Tile(srcRect, dstRect, nullptr)); |
Mike Reed | e869a1e | 2019-04-30 12:18:54 -0400 | [diff] [blame] | 109 | sk_sp<SkColorFilter> cf(SkColorFilters::Matrix(matrix)); |
senorblanco@chromium.org | 0a5c233 | 2014-04-29 15:20:39 +0000 | [diff] [blame] | 110 | |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 111 | SkPaint paint; |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 112 | paint.setImageFilter(SkImageFilters::ColorFilter(std::move(cf), std::move(tile))); |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 113 | canvas->save(); |
| 114 | canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
| 115 | canvas->clipRect(dstRect); |
| 116 | canvas->saveLayer(&dstRect, &paint); |
| 117 | canvas->drawImage(fBitmap.get(), 0, 0); |
| 118 | canvas->restore(); |
| 119 | canvas->drawRect(srcRect, red); |
| 120 | canvas->drawRect(dstRect, blue); |
| 121 | canvas->restore(); |
| 122 | } |
senorblanco | f270029 | 2016-04-01 09:24:48 -0700 | [diff] [blame] | 123 | |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 124 | // test that the crop rect properly applies to the tile image filter |
| 125 | { |
| 126 | canvas->translate(0, SkIntToScalar(100)); |
senorblanco | f270029 | 2016-04-01 09:24:48 -0700 | [diff] [blame] | 127 | |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 128 | SkRect srcRect = SkRect::MakeXYWH(0, 0, 50, 50); |
| 129 | SkRect dstRect = SkRect::MakeXYWH(0, 0, 100, 100); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 130 | SkIRect cropRect = SkIRect::MakeXYWH(5, 5, 40, 40); |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 131 | sk_sp<SkColorFilter> greenCF = SkColorFilters::Blend(SK_ColorGREEN, SkBlendMode::kSrc); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 132 | sk_sp<SkImageFilter> green(SkImageFilters::ColorFilter(std::move(greenCF), |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 133 | nullptr, |
| 134 | &cropRect)); |
| 135 | SkPaint paint; |
| 136 | paint.setColor(SK_ColorRED); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 137 | paint.setImageFilter(SkImageFilters::Tile(srcRect, dstRect, std::move(green))); |
Robert Phillips | 3966738 | 2019-04-17 16:03:30 -0400 | [diff] [blame] | 138 | canvas->drawRect(dstRect, paint); |
| 139 | } |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 140 | } |
| 141 | private: |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 142 | sk_sp<SkImage> fBitmap, fCheckerboard; |
robertphillips | 6319518 | 2015-06-08 06:21:14 -0700 | [diff] [blame] | 143 | |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 144 | typedef GM INHERITED; |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 145 | }; |
| 146 | |
| 147 | ////////////////////////////////////////////////////////////////////////////// |
| 148 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 149 | DEF_GM(return new TileImageFilterGM;) |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 150 | } |