reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +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" |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 13 | |
| 14 | #include "SkBlurImageFilter.h" |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 15 | #include "SkTestImageFilters.h" |
| 16 | |
| 17 | #define FILTER_WIDTH SkIntToScalar(150) |
| 18 | #define FILTER_HEIGHT SkIntToScalar(200) |
| 19 | |
| 20 | static SkImageFilter* make0() { return new SkDownSampleImageFilter(SK_Scalar1 / 5); } |
| 21 | static SkImageFilter* make1() { return new SkOffsetImageFilter(SkIntToScalar(16), SkIntToScalar(16)); } |
| 22 | static SkImageFilter* make2() { |
| 23 | SkColorFilter* cf = SkColorFilter::CreateModeFilter(SK_ColorBLUE, |
| 24 | SkXfermode::kSrcIn_Mode); |
| 25 | SkAutoUnref aur(cf); |
| 26 | return new SkColorFilterImageFilter(cf); |
| 27 | } |
| 28 | static SkImageFilter* make3() { |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 29 | return new SkBlurImageFilter(8, 0); |
| 30 | } |
| 31 | |
| 32 | static SkImageFilter* make4() { |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 33 | SkImageFilter* outer = new SkOffsetImageFilter(SkIntToScalar(16), SkIntToScalar(16)); |
| 34 | SkImageFilter* inner = new SkDownSampleImageFilter(SK_Scalar1 / 5); |
| 35 | SkAutoUnref aur0(outer); |
| 36 | SkAutoUnref aur1(inner); |
| 37 | return new SkComposeImageFilter(outer, inner); |
| 38 | } |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 39 | static SkImageFilter* make5() { |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 40 | SkImageFilter* first = new SkOffsetImageFilter(SkIntToScalar(16), SkIntToScalar(16)); |
| 41 | SkImageFilter* second = new SkDownSampleImageFilter(SK_Scalar1 / 5); |
| 42 | SkAutoUnref aur0(first); |
| 43 | SkAutoUnref aur1(second); |
| 44 | return new SkMergeImageFilter(first, second); |
| 45 | } |
| 46 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 47 | static SkImageFilter* make6() { |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 48 | SkImageFilter* outer = new SkOffsetImageFilter(SkIntToScalar(16), SkIntToScalar(16)); |
| 49 | SkImageFilter* inner = new SkDownSampleImageFilter(SK_Scalar1 / 5); |
| 50 | SkAutoUnref aur0(outer); |
| 51 | SkAutoUnref aur1(inner); |
| 52 | SkImageFilter* compose = new SkComposeImageFilter(outer, inner); |
| 53 | SkAutoUnref aur2(compose); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 54 | |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 55 | SkColorFilter* cf = SkColorFilter::CreateModeFilter(0x880000FF, |
| 56 | SkXfermode::kSrcIn_Mode); |
| 57 | SkAutoUnref aur3(cf); |
| 58 | SkImageFilter* blue = new SkColorFilterImageFilter(cf); |
| 59 | SkAutoUnref aur4(blue); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 60 | |
| 61 | return new SkMergeImageFilter(compose, blue); |
| 62 | } |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 63 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 64 | static SkImageFilter* make7() { |
| 65 | SkImageFilter* outer = new SkOffsetImageFilter(SkIntToScalar(16), SkIntToScalar(16)); |
| 66 | SkImageFilter* inner = make3(); |
| 67 | SkAutoUnref aur0(outer); |
| 68 | SkAutoUnref aur1(inner); |
| 69 | SkImageFilter* compose = new SkComposeImageFilter(outer, inner); |
| 70 | SkAutoUnref aur2(compose); |
| 71 | |
| 72 | SkColorFilter* cf = SkColorFilter::CreateModeFilter(0x880000FF, |
| 73 | SkXfermode::kSrcIn_Mode); |
| 74 | SkAutoUnref aur3(cf); |
| 75 | SkImageFilter* blue = new SkColorFilterImageFilter(cf); |
| 76 | SkAutoUnref aur4(blue); |
| 77 | |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 78 | return new SkMergeImageFilter(compose, blue); |
| 79 | } |
| 80 | |
| 81 | static void draw0(SkCanvas* canvas) { |
| 82 | SkPaint p; |
| 83 | p.setAntiAlias(true); |
| 84 | SkRect r = SkRect::MakeWH(FILTER_WIDTH, FILTER_HEIGHT); |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 85 | r.inset(SK_Scalar1 * 12, SK_Scalar1 * 12); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 86 | p.setColor(SK_ColorRED); |
| 87 | canvas->drawOval(r, p); |
| 88 | } |
| 89 | |
| 90 | class TestImageFiltersGM : public skiagm::GM { |
| 91 | public: |
| 92 | TestImageFiltersGM () {} |
| 93 | |
| 94 | protected: |
| 95 | |
| 96 | virtual SkString onShortName() { |
| 97 | return SkString("testimagefilters"); |
| 98 | } |
| 99 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 100 | virtual SkISize onISize() { return SkISize::Make(700, 460); } |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 101 | |
| 102 | virtual void onDraw(SkCanvas* canvas) { |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 103 | // this->drawSizeBounds(canvas, 0xFFCCCCCC); |
| 104 | |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 105 | static SkImageFilter* (*gFilterProc[])() = { |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 106 | make0, make1, make2, make3, make4, make5, make6, make7 |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 107 | }; |
| 108 | |
| 109 | const SkRect bounds = SkRect::MakeWH(FILTER_WIDTH, FILTER_HEIGHT); |
| 110 | |
| 111 | const SkScalar dx = bounds.width() * 8 / 7; |
| 112 | const SkScalar dy = bounds.height() * 8 / 7; |
| 113 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 114 | canvas->translate(SkIntToScalar(8), SkIntToScalar(8)); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 115 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 116 | for (size_t i = 0; i < SK_ARRAY_COUNT(gFilterProc); ++i) { |
| 117 | int ix = i % 4; |
| 118 | int iy = i / 4; |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 119 | |
| 120 | SkAutoCanvasRestore acr(canvas, true); |
| 121 | canvas->translate(ix * dx, iy * dy); |
| 122 | |
| 123 | SkPaint p; |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 124 | p.setStyle(SkPaint::kStroke_Style); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 125 | canvas->drawRect(bounds, p); |
| 126 | |
reed@google.com | 76dd277 | 2012-01-05 21:15:07 +0000 | [diff] [blame] | 127 | SkPaint paint; |
| 128 | paint.setImageFilter(gFilterProc[i]())->unref(); |
reed@google.com | 32d25b6 | 2011-12-20 16:19:00 +0000 | [diff] [blame] | 129 | canvas->saveLayer(&bounds, &paint); |
| 130 | draw0(canvas); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | private: |
| 135 | typedef GM INHERITED; |
| 136 | }; |
| 137 | |
| 138 | ////////////////////////////////////////////////////////////////////////////// |
| 139 | |
| 140 | static skiagm::GM* MyFactory(void*) { return new TestImageFiltersGM; } |
| 141 | static skiagm::GMRegistry reg(MyFactory); |
| 142 | |
| 143 | |