commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +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 | |
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" |
| 11 | #include "include/core/SkFilterQuality.h" |
| 12 | #include "include/core/SkMatrix.h" |
| 13 | #include "include/core/SkPaint.h" |
| 14 | #include "include/core/SkRect.h" |
| 15 | #include "include/core/SkScalar.h" |
| 16 | #include "include/core/SkSize.h" |
| 17 | #include "include/core/SkString.h" |
| 18 | #include "include/core/SkTypes.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 19 | #include "tools/Resources.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 20 | #include "tools/ToolUtils.h" |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 21 | |
Hal Canary | 594fe85 | 2019-07-18 13:35:49 -0400 | [diff] [blame] | 22 | namespace { |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 23 | static SkSize computeSize(const SkBitmap& bm, const SkMatrix& mat) { |
| 24 | SkRect bounds = SkRect::MakeWH(SkIntToScalar(bm.width()), |
| 25 | SkIntToScalar(bm.height())); |
| 26 | mat.mapRect(&bounds); |
| 27 | return SkSize::Make(bounds.width(), bounds.height()); |
| 28 | } |
| 29 | |
Florin Malita | c54d8db | 2014-12-10 12:02:16 -0500 | [diff] [blame] | 30 | static void draw_cell(SkCanvas* canvas, const SkBitmap& bm, const SkMatrix& mat, SkScalar dx, |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 31 | SkFilterQuality lvl) { |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 32 | SkPaint paint; |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 33 | paint.setFilterQuality(lvl); |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 34 | |
| 35 | SkAutoCanvasRestore acr(canvas, true); |
| 36 | |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 37 | canvas->translate(dx, 0); |
Florin Malita | c54d8db | 2014-12-10 12:02:16 -0500 | [diff] [blame] | 38 | canvas->concat(mat); |
| 39 | canvas->drawBitmap(bm, 0, 0, &paint); |
| 40 | } |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 41 | |
Florin Malita | c54d8db | 2014-12-10 12:02:16 -0500 | [diff] [blame] | 42 | static void draw_row(SkCanvas* canvas, const SkBitmap& bm, const SkMatrix& mat, SkScalar dx) { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 43 | draw_cell(canvas, bm, mat, 0 * dx, kNone_SkFilterQuality); |
| 44 | draw_cell(canvas, bm, mat, 1 * dx, kLow_SkFilterQuality); |
| 45 | draw_cell(canvas, bm, mat, 2 * dx, kMedium_SkFilterQuality); |
| 46 | draw_cell(canvas, bm, mat, 3 * dx, kHigh_SkFilterQuality); |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | class FilterIndiaBoxGM : public skiagm::GM { |
Hal Canary | 594fe85 | 2019-07-18 13:35:49 -0400 | [diff] [blame] | 50 | SkBitmap fBM; |
| 51 | SkMatrix fMatrix[2]; |
| 52 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 53 | void onOnceBeforeDraw() override { |
Hal Canary | 594fe85 | 2019-07-18 13:35:49 -0400 | [diff] [blame] | 54 | constexpr char kResource[] = "images/box.gif"; |
| 55 | if (!GetResourceAsBitmap(kResource, &fBM)) { |
| 56 | fBM.allocN32Pixels(1, 1); |
| 57 | fBM.eraseARGB(255, 255, 0 , 0); // red == bad |
| 58 | } |
Michael Ludwig | b0cee9b | 2020-03-12 10:52:15 -0400 | [diff] [blame] | 59 | fBM.setImmutable(); |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 60 | |
| 61 | SkScalar cx = SkScalarHalf(fBM.width()); |
| 62 | SkScalar cy = SkScalarHalf(fBM.height()); |
| 63 | |
| 64 | float vertScale = 30.0f/55.0f; |
| 65 | float horizScale = 150.0f/200.0f; |
| 66 | |
| 67 | fMatrix[0].setScale(horizScale, vertScale); |
| 68 | fMatrix[1].setRotate(30, cx, cy); fMatrix[1].postScale(horizScale, vertScale); |
| 69 | } |
| 70 | |
Hal Canary | 594fe85 | 2019-07-18 13:35:49 -0400 | [diff] [blame] | 71 | SkString onShortName() override { return SkString("filterindiabox"); } |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 72 | |
Hal Canary | 594fe85 | 2019-07-18 13:35:49 -0400 | [diff] [blame] | 73 | SkISize onISize() override { return {680, 130}; } |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 74 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 75 | void onDraw(SkCanvas* canvas) override { |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 76 | canvas->translate(10, 10); |
| 77 | for (size_t i = 0; i < SK_ARRAY_COUNT(fMatrix); ++i) { |
| 78 | SkSize size = computeSize(fBM, fMatrix[i]); |
| 79 | size.fWidth += 20; |
| 80 | size.fHeight += 20; |
| 81 | |
| 82 | draw_row(canvas, fBM, fMatrix[i], size.fWidth); |
| 83 | canvas->translate(0, size.fHeight); |
| 84 | } |
| 85 | } |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 86 | }; |
Hal Canary | 594fe85 | 2019-07-18 13:35:49 -0400 | [diff] [blame] | 87 | } // namespace |
commit-bot@chromium.org | f449156 | 2014-05-28 17:30:02 +0000 | [diff] [blame] | 88 | |
Hal Canary | 594fe85 | 2019-07-18 13:35:49 -0400 | [diff] [blame] | 89 | DEF_GM( return new FilterIndiaBoxGM(); ) |