reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2011 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | #include "gm.h" |
| 9 | #include "SkCanvas.h" |
| 10 | #include "SkGradientShader.h" |
| 11 | #include "SkGraphics.h" |
| 12 | #include "SkPath.h" |
| 13 | #include "SkRegion.h" |
| 14 | #include "SkShader.h" |
| 15 | |
| 16 | static void make_bitmap(SkBitmap* bitmap) { |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 17 | bitmap->allocN32Pixels(64, 64); |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 18 | |
mike@reedtribe.org | 3bd2173 | 2012-09-26 02:45:10 +0000 | [diff] [blame] | 19 | SkCanvas canvas(*bitmap); |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 20 | |
| 21 | canvas.drawColor(SK_ColorRED); |
| 22 | SkPaint paint; |
| 23 | paint.setAntiAlias(true); |
| 24 | const SkPoint pts[] = { { 0, 0 }, { 64, 64 } }; |
| 25 | const SkColor colors[] = { SK_ColorWHITE, SK_ColorBLUE }; |
| 26 | paint.setShader(SkGradientShader::CreateLinear(pts, colors, NULL, 2, |
| 27 | SkShader::kClamp_TileMode))->unref(); |
| 28 | canvas.drawCircle(32, 32, 32, paint); |
| 29 | } |
| 30 | |
| 31 | class DrawBitmapRect2 : public skiagm::GM { |
| 32 | bool fUseIRect; |
| 33 | public: |
| 34 | DrawBitmapRect2(bool useIRect) : fUseIRect(useIRect) { |
| 35 | } |
| 36 | |
| 37 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 38 | SkString onShortName() override { |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 39 | SkString str; |
| 40 | str.printf("bitmaprect_%s", fUseIRect ? "i" : "s"); |
| 41 | return str; |
| 42 | } |
| 43 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 44 | SkISize onISize() override { |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 45 | return SkISize::Make(640, 480); |
| 46 | } |
| 47 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 48 | void onDraw(SkCanvas* canvas) override { |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 49 | canvas->drawColor(0xFFCCCCCC); |
| 50 | |
| 51 | const SkIRect src[] = { |
| 52 | { 0, 0, 32, 32 }, |
| 53 | { 0, 0, 80, 80 }, |
| 54 | { 32, 32, 96, 96 }, |
| 55 | { -32, -32, 32, 32, } |
| 56 | }; |
| 57 | |
| 58 | SkPaint paint; |
| 59 | paint.setStyle(SkPaint::kStroke_Style); |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 60 | |
| 61 | SkBitmap bitmap; |
| 62 | make_bitmap(&bitmap); |
| 63 | |
| 64 | SkRect dstR = { 0, 200, 128, 380 }; |
| 65 | |
| 66 | canvas->translate(16, 40); |
| 67 | for (size_t i = 0; i < SK_ARRAY_COUNT(src); i++) { |
| 68 | SkRect srcR; |
| 69 | srcR.set(src[i]); |
| 70 | |
| 71 | canvas->drawBitmap(bitmap, 0, 0, &paint); |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 72 | if (!fUseIRect) { |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 73 | canvas->drawBitmapRectToRect(bitmap, &srcR, dstR, &paint); |
| 74 | } else { |
| 75 | canvas->drawBitmapRect(bitmap, &src[i], dstR, &paint); |
| 76 | } |
| 77 | |
| 78 | canvas->drawRect(dstR, paint); |
| 79 | canvas->drawRect(srcR, paint); |
| 80 | |
| 81 | canvas->translate(160, 0); |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | private: |
| 86 | typedef skiagm::GM INHERITED; |
| 87 | }; |
| 88 | |
| 89 | ////////////////////////////////////////////////////////////////////////////// |
reed | 776c0cd | 2015-01-27 07:26:51 -0800 | [diff] [blame] | 90 | |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 91 | static void make_3x3_bitmap(SkBitmap* bitmap) { |
reed | 776c0cd | 2015-01-27 07:26:51 -0800 | [diff] [blame] | 92 | const int xSize = 3; |
| 93 | const int ySize = 3; |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 94 | |
reed | 776c0cd | 2015-01-27 07:26:51 -0800 | [diff] [blame] | 95 | const SkColor textureData[xSize][ySize] = { |
robertphillips@google.com | 93f0332 | 2012-12-03 17:35:19 +0000 | [diff] [blame] | 96 | { SK_ColorRED, SK_ColorWHITE, SK_ColorBLUE }, |
| 97 | { SK_ColorGREEN, SK_ColorBLACK, SK_ColorCYAN }, |
| 98 | { SK_ColorYELLOW, SK_ColorGRAY, SK_ColorMAGENTA } |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 99 | }; |
| 100 | |
reed | 776c0cd | 2015-01-27 07:26:51 -0800 | [diff] [blame] | 101 | bitmap->allocN32Pixels(xSize, ySize, true); |
| 102 | SkCanvas canvas(*bitmap); |
| 103 | SkPaint paint; |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 104 | |
reed | 776c0cd | 2015-01-27 07:26:51 -0800 | [diff] [blame] | 105 | for (int y = 0; y < ySize; y++) { |
| 106 | for (int x = 0; x < xSize; x++) { |
| 107 | paint.setColor(textureData[x][y]); |
| 108 | canvas.drawIRect(SkIRect::MakeXYWH(x, y, 1, 1), paint); |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 109 | } |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | // This GM attempts to make visible any issues drawBitmapRectToRect may have |
| 114 | // with partial source rects. In this case the eight pixels on the border |
| 115 | // should be half the width/height of the central pixel, i.e.: |
| 116 | // __|____|__ |
| 117 | // | | |
| 118 | // __|____|__ |
| 119 | // | | |
| 120 | class DrawBitmapRect3 : public skiagm::GM { |
| 121 | public: |
| 122 | DrawBitmapRect3() { |
| 123 | this->setBGColor(SK_ColorBLACK); |
| 124 | } |
| 125 | |
| 126 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 127 | SkString onShortName() override { |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 128 | SkString str; |
| 129 | str.printf("3x3bitmaprect"); |
| 130 | return str; |
| 131 | } |
| 132 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 133 | SkISize onISize() override { |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 134 | return SkISize::Make(640, 480); |
| 135 | } |
| 136 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 137 | void onDraw(SkCanvas* canvas) override { |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 138 | |
| 139 | SkBitmap bitmap; |
| 140 | make_3x3_bitmap(&bitmap); |
| 141 | |
| 142 | SkRect srcR = { 0.5f, 0.5f, 2.5f, 2.5f }; |
| 143 | SkRect dstR = { 100, 100, 300, 200 }; |
| 144 | |
| 145 | canvas->drawBitmapRectToRect(bitmap, &srcR, dstR, NULL); |
| 146 | } |
| 147 | |
| 148 | private: |
| 149 | typedef skiagm::GM INHERITED; |
| 150 | }; |
| 151 | |
| 152 | ////////////////////////////////////////////////////////////////////////////// |
| 153 | static void make_big_bitmap(SkBitmap* bitmap) { |
| 154 | |
| 155 | static const int gXSize = 4096; |
| 156 | static const int gYSize = 4096; |
| 157 | static const int gBorderWidth = 10; |
| 158 | |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 159 | bitmap->allocN32Pixels(gXSize, gYSize); |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 160 | for (int y = 0; y < gYSize; ++y) { |
| 161 | for (int x = 0; x < gXSize; ++x) { |
skia.committer@gmail.com | 44d4988 | 2012-09-27 02:01:04 +0000 | [diff] [blame] | 162 | if (x <= gBorderWidth || x >= gXSize-gBorderWidth || |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 163 | y <= gBorderWidth || y >= gYSize-gBorderWidth) { |
reed | c6e13d7 | 2015-04-02 05:43:09 -0700 | [diff] [blame] | 164 | *bitmap->getAddr32(x, y) = SkPreMultiplyColor(0x88FFFFFF); |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 165 | } else { |
reed | c6e13d7 | 2015-04-02 05:43:09 -0700 | [diff] [blame] | 166 | *bitmap->getAddr32(x, y) = SkPreMultiplyColor(0x88FF0000); |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 167 | } |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | // This GM attempts to reveal any issues we may have when the GPU has to |
| 173 | // break up a large texture in order to draw it. The XOR transfer mode will |
| 174 | // create stripes in the image if there is imprecision in the destination |
| 175 | // tile placement. |
| 176 | class DrawBitmapRect4 : public skiagm::GM { |
| 177 | bool fUseIRect; |
commit-bot@chromium.org | 9a558d4 | 2014-05-30 15:06:24 +0000 | [diff] [blame] | 178 | SkBitmap fBigBitmap; |
| 179 | |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 180 | public: |
| 181 | DrawBitmapRect4(bool useIRect) : fUseIRect(useIRect) { |
| 182 | this->setBGColor(0x88444444); |
| 183 | } |
| 184 | |
| 185 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 186 | SkString onShortName() override { |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 187 | SkString str; |
| 188 | str.printf("bigbitmaprect_%s", fUseIRect ? "i" : "s"); |
| 189 | return str; |
| 190 | } |
| 191 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 192 | SkISize onISize() override { |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 193 | return SkISize::Make(640, 480); |
| 194 | } |
| 195 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 196 | void onOnceBeforeDraw() override { |
commit-bot@chromium.org | 9a558d4 | 2014-05-30 15:06:24 +0000 | [diff] [blame] | 197 | make_big_bitmap(&fBigBitmap); |
| 198 | } |
| 199 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 200 | void onDraw(SkCanvas* canvas) override { |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 201 | |
| 202 | SkXfermode* mode = SkXfermode::Create(SkXfermode::kXor_Mode); |
| 203 | |
| 204 | SkPaint paint; |
| 205 | paint.setAlpha(128); |
robertphillips@google.com | 8fdb4c1 | 2012-10-02 11:47:16 +0000 | [diff] [blame] | 206 | paint.setXfermode(mode)->unref(); |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 207 | |
robertphillips@google.com | ffad46b | 2012-10-01 14:32:51 +0000 | [diff] [blame] | 208 | SkRect srcR1 = { 0.0f, 0.0f, 4096.0f, 2040.0f }; |
| 209 | SkRect dstR1 = { 10.1f, 10.1f, 629.9f, 400.9f }; |
| 210 | |
| 211 | SkRect srcR2 = { 4085.0f, 10.0f, 4087.0f, 12.0f }; |
| 212 | SkRect dstR2 = { 10, 410, 30, 430 }; |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 213 | |
| 214 | if (!fUseIRect) { |
commit-bot@chromium.org | 9a558d4 | 2014-05-30 15:06:24 +0000 | [diff] [blame] | 215 | canvas->drawBitmapRectToRect(fBigBitmap, &srcR1, dstR1, &paint); |
| 216 | canvas->drawBitmapRectToRect(fBigBitmap, &srcR2, dstR2, &paint); |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 217 | } else { |
robertphillips@google.com | ffad46b | 2012-10-01 14:32:51 +0000 | [diff] [blame] | 218 | SkIRect iSrcR1, iSrcR2; |
| 219 | |
| 220 | srcR1.roundOut(&iSrcR1); |
| 221 | srcR2.roundOut(&iSrcR2); |
| 222 | |
commit-bot@chromium.org | 9a558d4 | 2014-05-30 15:06:24 +0000 | [diff] [blame] | 223 | canvas->drawBitmapRect(fBigBitmap, &iSrcR1, dstR1, &paint); |
| 224 | canvas->drawBitmapRect(fBigBitmap, &iSrcR2, dstR2, &paint); |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 225 | } |
| 226 | } |
| 227 | |
| 228 | private: |
| 229 | typedef skiagm::GM INHERITED; |
| 230 | }; |
| 231 | |
reed | f786901 | 2014-12-01 13:54:01 -0800 | [diff] [blame] | 232 | class BitmapRectRounding : public skiagm::GM { |
| 233 | SkBitmap fBM; |
| 234 | |
| 235 | public: |
| 236 | BitmapRectRounding() {} |
| 237 | |
| 238 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 239 | SkString onShortName() override { |
reed | f786901 | 2014-12-01 13:54:01 -0800 | [diff] [blame] | 240 | SkString str; |
| 241 | str.printf("bitmaprect_rounding"); |
| 242 | return str; |
| 243 | } |
| 244 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 245 | SkISize onISize() override { |
reed | f786901 | 2014-12-01 13:54:01 -0800 | [diff] [blame] | 246 | return SkISize::Make(640, 480); |
| 247 | } |
| 248 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 249 | void onOnceBeforeDraw() override { |
reed | f786901 | 2014-12-01 13:54:01 -0800 | [diff] [blame] | 250 | fBM.allocN32Pixels(10, 10); |
| 251 | fBM.eraseColor(SK_ColorBLUE); |
| 252 | } |
| 253 | |
| 254 | // This choice of coordinates and matrix land the bottom edge of the clip (and bitmap dst) |
| 255 | // at exactly 1/2 pixel boundary. However, drawBitmapRect may lose precision along the way. |
| 256 | // If it does, we may see a red-line at the bottom, instead of the bitmap exactly matching |
| 257 | // the clip (in which case we should see all blue). |
| 258 | // The correct image should be all blue. |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 259 | void onDraw(SkCanvas* canvas) override { |
reed | f786901 | 2014-12-01 13:54:01 -0800 | [diff] [blame] | 260 | SkPaint paint; |
| 261 | paint.setColor(SK_ColorRED); |
| 262 | |
| 263 | const SkRect r = SkRect::MakeXYWH(1, 1, 110, 114); |
| 264 | canvas->scale(0.9f, 0.9f); |
| 265 | |
| 266 | // the drawRect shows the same problem as clipRect(r) followed by drawcolor(red) |
| 267 | canvas->drawRect(r, paint); |
| 268 | canvas->drawBitmapRect(fBM, NULL, r, NULL); |
| 269 | } |
mtklein | 1c40292 | 2015-01-23 11:07:07 -0800 | [diff] [blame] | 270 | |
reed | f786901 | 2014-12-01 13:54:01 -0800 | [diff] [blame] | 271 | private: |
| 272 | typedef skiagm::GM INHERITED; |
| 273 | }; |
reed | 0393912 | 2014-12-15 13:42:51 -0800 | [diff] [blame] | 274 | DEF_GM( return new BitmapRectRounding; ) |
reed | f786901 | 2014-12-01 13:54:01 -0800 | [diff] [blame] | 275 | |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 276 | ////////////////////////////////////////////////////////////////////////////// |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 277 | |
| 278 | static skiagm::GM* MyFactory0(void*) { return new DrawBitmapRect2(false); } |
| 279 | static skiagm::GM* MyFactory1(void*) { return new DrawBitmapRect2(true); } |
| 280 | |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 281 | static skiagm::GM* MyFactory2(void*) { return new DrawBitmapRect3(); } |
| 282 | |
robertphillips@google.com | 653b0d6 | 2012-09-26 15:28:04 +0000 | [diff] [blame] | 283 | #ifndef SK_BUILD_FOR_ANDROID |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 284 | static skiagm::GM* MyFactory3(void*) { return new DrawBitmapRect4(false); } |
| 285 | static skiagm::GM* MyFactory4(void*) { return new DrawBitmapRect4(true); } |
robertphillips@google.com | 653b0d6 | 2012-09-26 15:28:04 +0000 | [diff] [blame] | 286 | #endif |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 287 | |
reed@google.com | 7112173 | 2012-09-18 15:14:33 +0000 | [diff] [blame] | 288 | static skiagm::GMRegistry reg0(MyFactory0); |
| 289 | static skiagm::GMRegistry reg1(MyFactory1); |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 290 | |
| 291 | static skiagm::GMRegistry reg2(MyFactory2); |
| 292 | |
robertphillips@google.com | 653b0d6 | 2012-09-26 15:28:04 +0000 | [diff] [blame] | 293 | #ifndef SK_BUILD_FOR_ANDROID |
robertphillips@google.com | 21a95f1 | 2012-09-26 13:10:19 +0000 | [diff] [blame] | 294 | static skiagm::GMRegistry reg3(MyFactory3); |
| 295 | static skiagm::GMRegistry reg4(MyFactory4); |
robertphillips@google.com | 653b0d6 | 2012-09-26 15:28:04 +0000 | [diff] [blame] | 296 | #endif |
reed | f786901 | 2014-12-01 13:54:01 -0800 | [diff] [blame] | 297 | |