senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 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" |
senorblanco@chromium.org | 3bc16c8 | 2012-10-04 17:18:20 +0000 | [diff] [blame] | 9 | #include "SkColor.h" |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 10 | #include "SkMatrixConvolutionImageFilter.h" |
senorblanco@chromium.org | 3bc16c8 | 2012-10-04 17:18:20 +0000 | [diff] [blame] | 11 | #include "SkGradientShader.h" |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 12 | |
| 13 | namespace skiagm { |
| 14 | |
| 15 | class MatrixConvolutionGM : public GM { |
| 16 | public: |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 17 | MatrixConvolutionGM() { |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 18 | this->setBGColor(0x00000000); |
| 19 | } |
| 20 | |
| 21 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 22 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 23 | SkString onShortName() override { |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 24 | return SkString("matrixconvolution"); |
| 25 | } |
| 26 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 27 | void makeBitmap() { |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 28 | fBitmap.allocN32Pixels(80, 80); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 29 | SkCanvas canvas(fBitmap); |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 30 | canvas.clear(0x00000000); |
| 31 | SkPaint paint; |
| 32 | paint.setAntiAlias(true); |
caryclark | 1818acb | 2015-07-24 12:09:25 -0700 | [diff] [blame] | 33 | sk_tool_utils::set_portable_typeface(&paint); |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 34 | paint.setColor(0xFFFFFFFF); |
| 35 | paint.setTextSize(SkIntToScalar(180)); |
senorblanco@chromium.org | 3bc16c8 | 2012-10-04 17:18:20 +0000 | [diff] [blame] | 36 | SkPoint pts[2] = { SkPoint::Make(0, 0), |
| 37 | SkPoint::Make(0, SkIntToScalar(80)) }; |
| 38 | SkColor colors[2] = { 0xFFFFFFFF, 0x40404040 }; |
| 39 | SkScalar pos[2] = { 0, SkIntToScalar(80) }; |
| 40 | paint.setShader(SkGradientShader::CreateLinear( |
| 41 | pts, colors, pos, 2, SkShader::kClamp_TileMode))->unref(); |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 42 | const char* str = "e"; |
| 43 | canvas.drawText(str, strlen(str), SkIntToScalar(-10), SkIntToScalar(80), paint); |
| 44 | } |
| 45 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 46 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 47 | return SkISize::Make(500, 300); |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 48 | } |
| 49 | |
commit-bot@chromium.org | 84cd099 | 2014-03-12 16:36:08 +0000 | [diff] [blame] | 50 | void draw(SkCanvas* canvas, int x, int y, const SkIPoint& kernelOffset, |
senorblanco@chromium.org | 7938bae | 2013-10-18 20:08:14 +0000 | [diff] [blame] | 51 | SkMatrixConvolutionImageFilter::TileMode tileMode, bool convolveAlpha, |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 52 | const SkImageFilter::CropRect* cropRect = nullptr) { |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 53 | SkScalar kernel[9] = { |
| 54 | SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), |
| 55 | SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1), |
| 56 | SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), |
| 57 | }; |
| 58 | SkISize kernelSize = SkISize::Make(3, 3); |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 59 | SkScalar gain = 0.3f, bias = SkIntToScalar(100); |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 60 | SkPaint paint; |
senorblanco@chromium.org | 7938bae | 2013-10-18 20:08:14 +0000 | [diff] [blame] | 61 | SkAutoTUnref<SkImageFilter> filter( |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 62 | SkMatrixConvolutionImageFilter::Create(kernelSize, |
| 63 | kernel, |
| 64 | gain, |
| 65 | bias, |
commit-bot@chromium.org | 84cd099 | 2014-03-12 16:36:08 +0000 | [diff] [blame] | 66 | kernelOffset, |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 67 | tileMode, |
| 68 | convolveAlpha, |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 69 | nullptr, |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 70 | cropRect)); |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 71 | paint.setImageFilter(filter); |
junov@chromium.org | ff06af2 | 2013-01-14 16:27:50 +0000 | [diff] [blame] | 72 | canvas->save(); |
senorblanco@chromium.org | 7938bae | 2013-10-18 20:08:14 +0000 | [diff] [blame] | 73 | canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
| 74 | canvas->clipRect(SkRect::MakeWH(SkIntToScalar(fBitmap.width()), |
| 75 | SkIntToScalar(fBitmap.height()))); |
| 76 | canvas->drawBitmap(fBitmap, 0, 0, &paint); |
junov@chromium.org | ff06af2 | 2013-01-14 16:27:50 +0000 | [diff] [blame] | 77 | canvas->restore(); |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 78 | } |
| 79 | |
senorblanco@chromium.org | 7938bae | 2013-10-18 20:08:14 +0000 | [diff] [blame] | 80 | typedef SkMatrixConvolutionImageFilter MCIF; |
| 81 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 82 | void onOnceBeforeDraw() override { |
| 83 | this->makeBitmap(); |
| 84 | } |
| 85 | |
| 86 | void onDraw(SkCanvas* canvas) override { |
senorblanco | 16b254a | 2015-04-09 11:13:24 -0700 | [diff] [blame] | 87 | canvas->clear(SK_ColorBLACK); |
commit-bot@chromium.org | 84cd099 | 2014-03-12 16:36:08 +0000 | [diff] [blame] | 88 | SkIPoint kernelOffset = SkIPoint::Make(1, 0); |
senorblanco | a544eda | 2015-12-07 07:48:34 -0800 | [diff] [blame] | 89 | SkImageFilter::CropRect rect(SkRect::Make(fBitmap.bounds())); |
senorblanco@chromium.org | 3bc16c8 | 2012-10-04 17:18:20 +0000 | [diff] [blame] | 90 | for (int x = 10; x < 310; x += 100) { |
senorblanco | a544eda | 2015-12-07 07:48:34 -0800 | [diff] [blame] | 91 | this->draw(canvas, x, 10, kernelOffset, MCIF::kClamp_TileMode, true, &rect); |
| 92 | this->draw(canvas, x, 110, kernelOffset, MCIF::kClampToBlack_TileMode, true, &rect); |
| 93 | this->draw(canvas, x, 210, kernelOffset, MCIF::kRepeat_TileMode, true, &rect); |
commit-bot@chromium.org | 84cd099 | 2014-03-12 16:36:08 +0000 | [diff] [blame] | 94 | kernelOffset.fY++; |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 95 | } |
commit-bot@chromium.org | 84cd099 | 2014-03-12 16:36:08 +0000 | [diff] [blame] | 96 | kernelOffset.fY = 1; |
senorblanco | a544eda | 2015-12-07 07:48:34 -0800 | [diff] [blame] | 97 | SkImageFilter::CropRect smallRect(SkRect::MakeXYWH(10, 5, 60, 60)); |
| 98 | this->draw(canvas, 310, 10, kernelOffset, MCIF::kClamp_TileMode, true, &smallRect); |
| 99 | this->draw(canvas, 310, 110, kernelOffset, MCIF::kClampToBlack_TileMode, true, &smallRect); |
| 100 | this->draw(canvas, 310, 210, kernelOffset, MCIF::kRepeat_TileMode, true, &smallRect); |
senorblanco@chromium.org | 7938bae | 2013-10-18 20:08:14 +0000 | [diff] [blame] | 101 | |
senorblanco | a544eda | 2015-12-07 07:48:34 -0800 | [diff] [blame] | 102 | this->draw(canvas, 410, 10, kernelOffset, MCIF::kClamp_TileMode, false, &rect); |
| 103 | this->draw(canvas, 410, 110, kernelOffset, MCIF::kClampToBlack_TileMode, false, &rect); |
| 104 | this->draw(canvas, 410, 210, kernelOffset, MCIF::kRepeat_TileMode, false, &rect); |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | private: |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 108 | SkBitmap fBitmap; |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 109 | |
| 110 | typedef GM INHERITED; |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 111 | }; |
| 112 | |
| 113 | ////////////////////////////////////////////////////////////////////////////// |
| 114 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 115 | DEF_GM(return new MatrixConvolutionGM;) |
senorblanco@chromium.org | 5faa2dc | 2012-09-18 20:32:34 +0000 | [diff] [blame] | 116 | |
| 117 | } |