senorblanco | 2aec4e9 | 2015-08-31 10:28:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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/SkCanvas.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 10 | #include "include/core/SkColor.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 11 | #include "include/core/SkFilterQuality.h" |
| 12 | #include "include/core/SkImageFilter.h" |
| 13 | #include "include/core/SkMatrix.h" |
| 14 | #include "include/core/SkPaint.h" |
| 15 | #include "include/core/SkRect.h" |
| 16 | #include "include/core/SkRefCnt.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 17 | #include "include/core/SkScalar.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 18 | #include "include/core/SkSize.h" |
| 19 | #include "include/core/SkString.h" |
| 20 | #include "include/core/SkTypes.h" |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 21 | #include "include/effects/SkImageFilters.h" |
senorblanco | 2aec4e9 | 2015-08-31 10:28:49 -0700 | [diff] [blame] | 22 | |
| 23 | #define RESIZE_FACTOR_X SkIntToScalar(2) |
| 24 | #define RESIZE_FACTOR_Y SkIntToScalar(5) |
| 25 | |
| 26 | namespace skiagm { |
| 27 | |
| 28 | class ImageFiltersStrokedGM : public GM { |
| 29 | public: |
| 30 | ImageFiltersStrokedGM() { |
| 31 | this->setBGColor(0x00000000); |
| 32 | } |
| 33 | |
| 34 | protected: |
| 35 | |
| 36 | SkString onShortName() override { |
| 37 | return SkString("imagefiltersstroked"); |
| 38 | } |
| 39 | |
| 40 | SkISize onISize() override { |
| 41 | return SkISize::Make(860, 500); |
| 42 | } |
| 43 | |
| 44 | static void draw_circle(SkCanvas* canvas, const SkRect& r, const SkPaint& paint) { |
| 45 | canvas->drawCircle(r.centerX(), r.centerY(), |
| 46 | r.width() * 2 / 5, paint); |
| 47 | } |
| 48 | |
| 49 | static void draw_line(SkCanvas* canvas, const SkRect& r, const SkPaint& paint) { |
| 50 | canvas->drawLine(r.fLeft, r.fBottom, r.fRight, r.fTop, paint); |
| 51 | } |
| 52 | |
| 53 | static void draw_rect(SkCanvas* canvas, const SkRect& r, const SkPaint& paint) { |
| 54 | canvas->drawRect(r, paint); |
| 55 | } |
| 56 | |
| 57 | void onDraw(SkCanvas* canvas) override { |
| 58 | void (*drawProc[])(SkCanvas*, const SkRect&, const SkPaint&) = { |
| 59 | draw_line, draw_rect, draw_circle, |
| 60 | }; |
| 61 | |
| 62 | canvas->clear(SK_ColorBLACK); |
| 63 | |
| 64 | SkMatrix resizeMatrix; |
| 65 | resizeMatrix.setScale(RESIZE_FACTOR_X, RESIZE_FACTOR_Y); |
| 66 | |
robertphillips | ae8c933 | 2016-04-05 15:09:00 -0700 | [diff] [blame] | 67 | sk_sp<SkImageFilter> filters[] = { |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 68 | SkImageFilters::Blur(5, 5, nullptr), |
| 69 | SkImageFilters::DropShadow(10, 10, 3, 3, SK_ColorGREEN, nullptr), |
| 70 | SkImageFilters::Offset(-16, 32, nullptr), |
| 71 | SkImageFilters::MatrixTransform(resizeMatrix, kNone_SkFilterQuality, nullptr), |
senorblanco | 2aec4e9 | 2015-08-31 10:28:49 -0700 | [diff] [blame] | 72 | }; |
| 73 | |
| 74 | SkRect r = SkRect::MakeWH(64, 64); |
| 75 | SkScalar margin = 32; |
| 76 | SkPaint paint; |
| 77 | paint.setColor(SK_ColorWHITE); |
| 78 | paint.setAntiAlias(true); |
| 79 | paint.setStrokeWidth(10); |
| 80 | paint.setStyle(SkPaint::kStroke_Style); |
senorblanco | 2aec4e9 | 2015-08-31 10:28:49 -0700 | [diff] [blame] | 81 | |
| 82 | for (size_t i = 0; i < SK_ARRAY_COUNT(drawProc); ++i) { |
| 83 | canvas->translate(0, margin); |
| 84 | canvas->save(); |
| 85 | for (size_t j = 0; j < SK_ARRAY_COUNT(filters); ++j) { |
| 86 | canvas->translate(margin, 0); |
| 87 | canvas->save(); |
| 88 | if (2 == j) { |
| 89 | canvas->translate(16, -32); |
| 90 | } else if (3 == j) { |
| 91 | canvas->scale(SkScalarInvert(RESIZE_FACTOR_X), |
| 92 | SkScalarInvert(RESIZE_FACTOR_Y)); |
| 93 | } |
| 94 | paint.setImageFilter(filters[j]); |
| 95 | drawProc[i](canvas, r, paint); |
| 96 | canvas->restore(); |
| 97 | canvas->translate(r.width() + margin, 0); |
| 98 | } |
| 99 | canvas->restore(); |
| 100 | canvas->translate(0, r.height()); |
| 101 | } |
senorblanco | 2aec4e9 | 2015-08-31 10:28:49 -0700 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | private: |
| 105 | typedef GM INHERITED; |
| 106 | }; |
| 107 | |
| 108 | ////////////////////////////////////////////////////////////////////////////// |
| 109 | |
| 110 | DEF_GM(return new ImageFiltersStrokedGM;) |
| 111 | |
| 112 | } |