senorblanco@chromium.org | ccf225c | 2013-07-22 20:03:22 +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" |
| 15 | #include "SkColorFilterImageFilter.h" |
| 16 | #include "SkTestImageFilters.h" |
| 17 | |
| 18 | /////////////////////////////////////////////////////////////////////////////// |
| 19 | |
| 20 | static void draw_paint(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { |
| 21 | SkPaint paint; |
| 22 | paint.setImageFilter(imf); |
| 23 | paint.setColor(SK_ColorBLACK); |
| 24 | canvas->save(); |
| 25 | canvas->clipRect(r); |
| 26 | canvas->drawPaint(paint); |
| 27 | canvas->restore(); |
| 28 | } |
| 29 | |
| 30 | static void draw_path(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { |
| 31 | SkPaint paint; |
| 32 | paint.setColor(SK_ColorMAGENTA); |
| 33 | paint.setImageFilter(imf); |
| 34 | paint.setAntiAlias(true); |
| 35 | canvas->save(); |
| 36 | canvas->clipRect(r); |
| 37 | canvas->drawCircle(r.centerX(), r.centerY(), r.width()*2/5, paint); |
| 38 | canvas->restore(); |
| 39 | } |
| 40 | |
| 41 | static void draw_text(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { |
| 42 | SkPaint paint; |
| 43 | paint.setImageFilter(imf); |
| 44 | paint.setColor(SK_ColorGREEN); |
| 45 | paint.setAntiAlias(true); |
| 46 | paint.setTextSize(r.height()/2); |
| 47 | paint.setTextAlign(SkPaint::kCenter_Align); |
| 48 | canvas->save(); |
| 49 | canvas->clipRect(r); |
| 50 | canvas->drawText("Text", 4, r.centerX(), r.centerY(), paint); |
| 51 | canvas->restore(); |
| 52 | } |
| 53 | |
| 54 | static void draw_bitmap(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { |
| 55 | SkPaint paint; |
| 56 | |
| 57 | SkIRect bounds; |
| 58 | r.roundOut(&bounds); |
| 59 | |
| 60 | SkBitmap bm; |
| 61 | bm.setConfig(SkBitmap::kARGB_8888_Config, bounds.width(), bounds.height()); |
| 62 | bm.allocPixels(); |
| 63 | bm.eraseColor(SK_ColorTRANSPARENT); |
| 64 | SkCanvas c(bm); |
| 65 | draw_path(&c, r, NULL); |
| 66 | |
| 67 | paint.setImageFilter(imf); |
| 68 | canvas->save(); |
| 69 | canvas->clipRect(r); |
| 70 | canvas->drawBitmap(bm, 0, 0, &paint); |
| 71 | canvas->restore(); |
| 72 | } |
| 73 | |
| 74 | static void draw_sprite(SkCanvas* canvas, const SkRect& r, SkImageFilter* imf) { |
| 75 | SkPaint paint; |
| 76 | |
| 77 | SkIRect bounds; |
| 78 | r.roundOut(&bounds); |
| 79 | |
| 80 | SkBitmap bm; |
| 81 | bm.setConfig(SkBitmap::kARGB_8888_Config, bounds.width(), bounds.height()); |
| 82 | bm.allocPixels(); |
| 83 | bm.eraseColor(SK_ColorRED); |
| 84 | SkCanvas c(bm); |
| 85 | |
| 86 | SkIRect cropRect = SkIRect::MakeXYWH(10, 10, 44, 44); |
| 87 | paint.setColor(SK_ColorGREEN); |
| 88 | c.drawRect(SkRect::Make(cropRect), paint); |
| 89 | |
| 90 | paint.setImageFilter(imf); |
| 91 | SkPoint loc = { r.fLeft, r.fTop }; |
| 92 | canvas->getTotalMatrix().mapPoints(&loc, 1); |
| 93 | canvas->drawSprite(bm, |
| 94 | SkScalarRoundToInt(loc.fX), SkScalarRoundToInt(loc.fY), |
| 95 | &paint); |
| 96 | } |
| 97 | |
| 98 | /////////////////////////////////////////////////////////////////////////////// |
| 99 | |
| 100 | class ImageFiltersCroppedGM : public skiagm::GM { |
| 101 | public: |
| 102 | ImageFiltersCroppedGM () {} |
| 103 | |
| 104 | protected: |
| 105 | |
| 106 | virtual SkString onShortName() { |
| 107 | return SkString("imagefilterscropped"); |
| 108 | } |
| 109 | |
| 110 | virtual SkISize onISize() { return SkISize::Make(700, 460); } |
| 111 | |
| 112 | void draw_frame(SkCanvas* canvas, const SkRect& r) { |
| 113 | SkPaint paint; |
| 114 | paint.setStyle(SkPaint::kStroke_Style); |
| 115 | paint.setColor(SK_ColorRED); |
| 116 | canvas->drawRect(r, paint); |
| 117 | } |
| 118 | |
| 119 | virtual uint32_t onGetFlags() const { |
| 120 | // Because of the use of drawSprite, this test is excluded |
| 121 | // from scaled replay tests because drawSprite ignores the |
| 122 | // reciprocal scale that is applied at record time, which is |
| 123 | // the intended behavior of drawSprite. |
| 124 | return kSkipScaledReplay_Flag; |
| 125 | } |
| 126 | |
| 127 | virtual void onDraw(SkCanvas* canvas) { |
| 128 | void (*drawProc[])(SkCanvas*, const SkRect&, SkImageFilter*) = { |
| 129 | draw_sprite, draw_bitmap, draw_path, draw_paint, draw_text |
| 130 | }; |
| 131 | |
| 132 | SkColorFilter* cf = SkColorFilter::CreateModeFilter(SK_ColorRED, |
| 133 | SkXfermode::kSrcIn_Mode); |
| 134 | SkIRect cropRect = SkIRect::MakeXYWH(10, 10, 44, 44); |
| 135 | SkIRect bogusRect = SkIRect::MakeXYWH(-100, -100, 10, 10); |
| 136 | |
| 137 | SkImageFilter* filters[] = { |
| 138 | NULL, |
| 139 | SkColorFilterImageFilter::Create(cf, NULL, &cropRect), |
| 140 | new SkBlurImageFilter(8.0f, 0.0f, NULL, &cropRect), |
| 141 | new SkBlurImageFilter(0.0f, 8.0f, NULL, &cropRect), |
| 142 | new SkBlurImageFilter(8.0f, 8.0f, NULL, &cropRect), |
| 143 | new SkBlurImageFilter(8.0f, 8.0f, NULL, &bogusRect), |
| 144 | SkColorFilterImageFilter::Create(cf, NULL, &bogusRect), |
| 145 | }; |
| 146 | cf->unref(); |
| 147 | |
| 148 | SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64)); |
| 149 | SkScalar MARGIN = SkIntToScalar(16); |
| 150 | SkScalar DX = r.width() + MARGIN; |
| 151 | SkScalar DY = r.height() + MARGIN; |
| 152 | |
| 153 | canvas->translate(MARGIN, MARGIN); |
| 154 | for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
| 155 | canvas->save(); |
| 156 | for (size_t j = 0; j < SK_ARRAY_COUNT(drawProc); ++j) { |
| 157 | drawProc[j](canvas, r, filters[i]); |
| 158 | canvas->translate(0, DY); |
| 159 | } |
| 160 | canvas->restore(); |
| 161 | canvas->translate(DX, 0); |
| 162 | } |
| 163 | |
| 164 | for(size_t j = 0; j < SK_ARRAY_COUNT(filters); ++j) { |
| 165 | SkSafeUnref(filters[j]); |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | private: |
| 170 | typedef GM INHERITED; |
| 171 | }; |
| 172 | |
| 173 | /////////////////////////////////////////////////////////////////////////////// |
| 174 | |
| 175 | static skiagm::GM* MyFactory(void*) { return new ImageFiltersCroppedGM; } |
| 176 | static skiagm::GMRegistry reg(MyFactory); |