senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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/SkBitmap.h" |
| 10 | #include "include/core/SkCanvas.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 11 | #include "include/core/SkColor.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 12 | #include "include/core/SkFilterQuality.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 13 | #include "include/core/SkImageFilter.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 14 | #include "include/core/SkMatrix.h" |
| 15 | #include "include/core/SkPaint.h" |
| 16 | #include "include/core/SkRect.h" |
| 17 | #include "include/core/SkScalar.h" |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 18 | |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 19 | static void draw(SkCanvas* canvas, const SkRect& rect, const SkBitmap& bitmap, |
| 20 | const SkMatrix& matrix, SkFilterQuality filter) { |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 21 | SkPaint paint; |
robertphillips | ae8c933 | 2016-04-05 15:09:00 -0700 | [diff] [blame] | 22 | paint.setImageFilter(SkImageFilter::MakeMatrixFilter(matrix, filter, nullptr)); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 23 | canvas->saveLayer(&rect, &paint); |
| 24 | canvas->drawBitmap(bitmap, 0, 0); |
| 25 | canvas->restore(); |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 26 | } |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 27 | |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 28 | static void make_checkerboard(SkBitmap* bitmap) { |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 29 | bitmap->allocN32Pixels(64, 64); |
| 30 | SkCanvas canvas(*bitmap); |
| 31 | SkPaint darkPaint; |
Mike Klein | d46dce3 | 2018-08-16 10:17:03 -0400 | [diff] [blame] | 32 | darkPaint.setColor(0xFF404040); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 33 | SkPaint lightPaint; |
Mike Klein | d46dce3 | 2018-08-16 10:17:03 -0400 | [diff] [blame] | 34 | lightPaint.setColor(0xFFA0A0A0); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 35 | for (int y = 0; y < 64; y += 32) { |
| 36 | for (int x = 0; x < 64; x += 32) { |
| 37 | canvas.save(); |
| 38 | canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); |
| 39 | canvas.drawRect(SkRect::MakeXYWH(0, 0, 16, 16), darkPaint); |
| 40 | canvas.drawRect(SkRect::MakeXYWH(16, 0, 16, 16), lightPaint); |
| 41 | canvas.drawRect(SkRect::MakeXYWH(0, 16, 16, 16), lightPaint); |
| 42 | canvas.drawRect(SkRect::MakeXYWH(16, 16, 16, 16), darkPaint); |
| 43 | canvas.restore(); |
| 44 | } |
| 45 | } |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 46 | } |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 47 | |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 48 | DEF_SIMPLE_GM_BG(matriximagefilter, canvas, 420, 100, SK_ColorBLACK) { |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 49 | SkMatrix matrix; |
| 50 | SkScalar margin = SkIntToScalar(10); |
| 51 | matrix.setSkew(SkDoubleToScalar(0.5), SkDoubleToScalar(0.2)); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 52 | SkBitmap checkerboard; |
| 53 | make_checkerboard(&checkerboard); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 54 | |
| 55 | SkRect srcRect = SkRect::MakeWH(96, 96); |
| 56 | |
| 57 | canvas->translate(margin, margin); |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 58 | draw(canvas, srcRect, checkerboard, matrix, kNone_SkFilterQuality); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 59 | |
| 60 | canvas->translate(srcRect.width() + margin, 0); |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 61 | draw(canvas, srcRect, checkerboard, matrix, kLow_SkFilterQuality); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 62 | |
senorblanco@chromium.org | 6aeabb1 | 2014-03-25 21:12:18 +0000 | [diff] [blame] | 63 | #if 0 |
| 64 | // This may be causing Mac 10.6 to barf. |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 65 | canvas->translate(srcRect.width() + margin, 0); |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 66 | draw(canvas, srcRect, checkerboard, matrix, kMedium_SkFilterQuality); |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 67 | |
| 68 | canvas->translate(srcRect.width() + margin, 0); |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 69 | draw(canvas, srcRect, checkerboard, matrix, kHigh_SkFilterQuality); |
senorblanco@chromium.org | 6aeabb1 | 2014-03-25 21:12:18 +0000 | [diff] [blame] | 70 | #endif |
senorblanco@chromium.org | fd0ec2c | 2014-03-25 17:35:10 +0000 | [diff] [blame] | 71 | } |