senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 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 | #include "SkCanvas.h" |
| 10 | #include "SkColorFilter.h" |
| 11 | #include "SkColorPriv.h" |
| 12 | #include "SkShader.h" |
| 13 | |
| 14 | #include "SkBlurImageFilter.h" |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 15 | #include "SkMorphologyImageFilter.h" |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 16 | #include "SkColorFilterImageFilter.h" |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 17 | #include "SkBitmapSource.h" |
senorblanco@chromium.org | 962c886 | 2013-09-19 17:26:47 +0000 | [diff] [blame] | 18 | #include "SkMergeImageFilter.h" |
| 19 | #include "SkOffsetImageFilter.h" |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 20 | #include "SkTestImageFilters.h" |
| 21 | |
| 22 | /////////////////////////////////////////////////////////////////////////////// |
| 23 | |
| 24 | static void draw_paint(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { |
| 25 | SkPaint paint; |
| 26 | paint.setImageFilter(imf); |
| 27 | paint.setColor(SK_ColorBLACK); |
| 28 | canvas->save(); |
| 29 | canvas->clipRect(r); |
| 30 | canvas->drawPaint(paint); |
| 31 | canvas->restore(); |
| 32 | } |
| 33 | |
| 34 | static void draw_path(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { |
| 35 | SkPaint paint; |
| 36 | paint.setColor(SK_ColorMAGENTA); |
| 37 | paint.setImageFilter(imf); |
| 38 | paint.setAntiAlias(true); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 39 | canvas->drawCircle(r.centerX(), r.centerY(), r.width()*2/5, paint); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 40 | } |
| 41 | |
| 42 | static void draw_text(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { |
| 43 | SkPaint paint; |
| 44 | paint.setImageFilter(imf); |
| 45 | paint.setColor(SK_ColorGREEN); |
| 46 | paint.setAntiAlias(true); |
Cary Clark | 992c7b0 | 2014-07-31 08:58:44 -0400 | [diff] [blame] | 47 | sk_tool_utils::set_portable_typeface(&paint); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 48 | paint.setTextSize(r.height()/2); |
| 49 | paint.setTextAlign(SkPaint::kCenter_Align); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 50 | canvas->drawText("Text", 4, r.centerX(), r.centerY(), paint); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 51 | } |
| 52 | |
| 53 | static void draw_bitmap(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { |
| 54 | SkPaint paint; |
| 55 | |
| 56 | SkIRect bounds; |
| 57 | r.roundOut(&bounds); |
| 58 | |
| 59 | SkBitmap bm; |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 60 | bm.allocN32Pixels(bounds.width(), bounds.height()); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 61 | bm.eraseColor(SK_ColorTRANSPARENT); |
| 62 | SkCanvas c(bm); |
| 63 | draw_path(&c, r, NULL); |
| 64 | |
| 65 | paint.setImageFilter(imf); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 66 | canvas->drawBitmap(bm, 0, 0, &paint); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | static void draw_sprite(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { |
| 70 | SkPaint paint; |
| 71 | |
| 72 | SkIRect bounds; |
| 73 | r.roundOut(&bounds); |
| 74 | |
| 75 | SkBitmap bm; |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 76 | bm.allocN32Pixels(bounds.width(), bounds.height()); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 77 | bm.eraseColor(SK_ColorRED); |
| 78 | SkCanvas c(bm); |
| 79 | |
| 80 | SkIRect cropRect = SkIRect::MakeXYWH(10, 10, 44, 44); |
| 81 | paint.setColor(SK_ColorGREEN); |
| 82 | c.drawRect(SkRect::Make(cropRect), paint); |
| 83 | |
| 84 | paint.setImageFilter(imf); |
| 85 | SkPoint loc = { r.fLeft, r.fTop }; |
| 86 | canvas->getTotalMatrix().mapPoints(&loc, 1); |
| 87 | canvas->drawSprite(bm, |
| 88 | SkScalarRoundToInt(loc.fX), SkScalarRoundToInt(loc.fY), |
| 89 | &paint); |
| 90 | } |
| 91 | |
| 92 | /////////////////////////////////////////////////////////////////////////////// |
| 93 | |
| 94 | class ImageFiltersCroppedGM : public skiagm::GM { |
| 95 | public: |
| 96 | ImageFiltersCroppedGM () {} |
| 97 | |
| 98 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 99 | virtual SkString onShortName() override { |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 100 | return SkString("imagefilterscropped"); |
| 101 | } |
| 102 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 103 | virtual SkISize onISize() override { return SkISize::Make(400, 880); } |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 104 | |
| 105 | void make_checkerboard() { |
| 106 | fCheckerboard.allocN32Pixels(80, 80); |
| 107 | SkCanvas canvas(fCheckerboard); |
| 108 | canvas.clear(SK_ColorTRANSPARENT); |
| 109 | SkPaint darkPaint; |
| 110 | darkPaint.setColor(0xFF404040); |
| 111 | SkPaint lightPaint; |
| 112 | lightPaint.setColor(0xFFA0A0A0); |
| 113 | for (int y = 0; y < 80; y += 16) { |
| 114 | for (int x = 0; x < 80; x += 16) { |
| 115 | canvas.save(); |
| 116 | canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); |
| 117 | canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); |
| 118 | canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); |
| 119 | canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); |
| 120 | canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); |
| 121 | canvas.restore(); |
| 122 | } |
| 123 | } |
| 124 | } |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 125 | |
| 126 | void draw_frame(SkCanvas* canvas, const SkRect& r) { |
| 127 | SkPaint paint; |
| 128 | paint.setStyle(SkPaint::kStroke_Style); |
| 129 | paint.setColor(SK_ColorRED); |
| 130 | canvas->drawRect(r, paint); |
| 131 | } |
| 132 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 133 | virtual void onOnceBeforeDraw() override{ |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 134 | make_checkerboard(); |
| 135 | } |
| 136 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 137 | virtual void onDraw(SkCanvas* canvas) override { |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 138 | void (*drawProc[])(SkCanvas*, const SkRect&, SkImageFilter*) = { |
| 139 | draw_sprite, draw_bitmap, draw_path, draw_paint, draw_text |
| 140 | }; |
| 141 | |
senorblanco@chromium.org | 962c886 | 2013-09-19 17:26:47 +0000 | [diff] [blame] | 142 | SkAutoTUnref<SkColorFilter> cf( |
| 143 | SkColorFilter::CreateModeFilter(SK_ColorBLUE, SkXfermode::kSrcIn_Mode)); |
senorblanco@chromium.org | b295fb6 | 2013-10-10 13:51:19 +0000 | [diff] [blame] | 144 | SkImageFilter::CropRect cropRect(SkRect::Make(SkIRect::MakeXYWH(10, 10, 44, 44)), SkImageFilter::CropRect::kHasAll_CropEdge); |
| 145 | SkImageFilter::CropRect bogusRect(SkRect::Make(SkIRect::MakeXYWH(-100, -100, 10, 10)), SkImageFilter::CropRect::kHasAll_CropEdge); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 146 | |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 147 | SkAutoTUnref<SkImageFilter> offset(SkOffsetImageFilter::Create( |
senorblanco@chromium.org | 962c886 | 2013-09-19 17:26:47 +0000 | [diff] [blame] | 148 | SkIntToScalar(-10), SkIntToScalar(-10))); |
| 149 | |
| 150 | SkAutoTUnref<SkImageFilter> cfOffset(SkColorFilterImageFilter::Create(cf.get(), offset.get())); |
mtklein | 1eea9fc | 2015-01-23 16:09:32 -0800 | [diff] [blame] | 151 | |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 152 | SkAutoTUnref<SkImageFilter> erodeX(SkErodeImageFilter::Create(8, 0, NULL, &cropRect)); |
| 153 | SkAutoTUnref<SkImageFilter> erodeY(SkErodeImageFilter::Create(0, 8, NULL, &cropRect)); |
| 154 | |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 155 | SkImageFilter* filters[] = { |
| 156 | NULL, |
senorblanco@chromium.org | 962c886 | 2013-09-19 17:26:47 +0000 | [diff] [blame] | 157 | SkColorFilterImageFilter::Create(cf.get(), NULL, &cropRect), |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 158 | SkBlurImageFilter::Create(1.0f, 1.0f, NULL, &cropRect), |
| 159 | SkBlurImageFilter::Create(8.0f, 0.0f, NULL, &cropRect), |
| 160 | SkBlurImageFilter::Create(0.0f, 8.0f, NULL, &cropRect), |
| 161 | SkBlurImageFilter::Create(8.0f, 8.0f, NULL, &cropRect), |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 162 | SkErodeImageFilter::Create(1, 1, NULL, &cropRect), |
| 163 | SkErodeImageFilter::Create(8, 0, erodeY, &cropRect), |
| 164 | SkErodeImageFilter::Create(0, 8, erodeX, &cropRect), |
| 165 | SkErodeImageFilter::Create(8, 8, NULL, &cropRect), |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 166 | SkMergeImageFilter::Create(NULL, cfOffset.get(), SkXfermode::kSrcOver_Mode, &cropRect), |
| 167 | SkBlurImageFilter::Create(8.0f, 8.0f, NULL, &bogusRect), |
senorblanco@chromium.org | 962c886 | 2013-09-19 17:26:47 +0000 | [diff] [blame] | 168 | SkColorFilterImageFilter::Create(cf.get(), NULL, &bogusRect), |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 169 | }; |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 170 | |
| 171 | SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64)); |
| 172 | SkScalar MARGIN = SkIntToScalar(16); |
| 173 | SkScalar DX = r.width() + MARGIN; |
| 174 | SkScalar DY = r.height() + MARGIN; |
| 175 | |
| 176 | canvas->translate(MARGIN, MARGIN); |
senorblanco@chromium.org | 7168ecc | 2013-07-25 18:08:13 +0000 | [diff] [blame] | 177 | for (size_t j = 0; j < SK_ARRAY_COUNT(drawProc); ++j) { |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 178 | canvas->save(); |
senorblanco@chromium.org | 7168ecc | 2013-07-25 18:08:13 +0000 | [diff] [blame] | 179 | for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 180 | SkPaint paint; |
| 181 | canvas->drawBitmap(fCheckerboard, 0, 0); |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 182 | drawProc[j](canvas, r, filters[i]); |
| 183 | canvas->translate(0, DY); |
| 184 | } |
| 185 | canvas->restore(); |
| 186 | canvas->translate(DX, 0); |
| 187 | } |
| 188 | |
| 189 | for(size_t j = 0; j < SK_ARRAY_COUNT(filters); ++j) { |
| 190 | SkSafeUnref(filters[j]); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | private: |
cwallez | 80a61df | 2015-01-26 12:20:14 -0800 | [diff] [blame] | 195 | SkBitmap fCheckerboard; |
senorblanco@chromium.org | 194d775 | 2013-07-24 22:19:24 +0000 | [diff] [blame] | 196 | typedef GM INHERITED; |
| 197 | }; |
| 198 | |
| 199 | /////////////////////////////////////////////////////////////////////////////// |
| 200 | |
| 201 | static skiagm::GM* MyFactory(void*) { return new ImageFiltersCroppedGM; } |
| 202 | static skiagm::GMRegistry reg(MyFactory); |