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Side by Side Diff: gm/imagefilters.cpp

Issue 1565203002: Revert of add backdrop option to SaveLayerRec (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 11 months ago
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1 /* 1 /*
2 * Copyright 2015 Google Inc. 2 * Copyright 2015 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "gm.h" 8 #include "gm.h"
9 #include "SkBlurImageFilter.h" 9 #include "SkBlurImageFilter.h"
10 #include "SkColorMatrixFilter.h" 10 #include "SkColorMatrixFilter.h"
(...skipping 86 matching lines...) Expand 10 before | Expand all | Expand 10 after
97 canvas->save(); 97 canvas->save();
98 canvas->clipRect(r.makeOutset(outset, outset)); 98 canvas->clipRect(r.makeOutset(outset, outset));
99 canvas->drawImage(image, 0, 0, &paint); 99 canvas->drawImage(image, 0, 0, &paint);
100 canvas->restore(); 100 canvas->restore();
101 canvas->translate(0, r.height() + 20); 101 canvas->translate(0, r.height() + 20);
102 } 102 }
103 canvas->restore(); 103 canvas->restore();
104 canvas->translate(r.width() + 20, 0); 104 canvas->translate(r.width() + 20, 0);
105 } 105 }
106 } 106 }
107
108 //////////////////////////////////////////////////////////////////////////////// ///////////////////
109 #include "Resources.h"
110 #include "SkBlurImageFilter.h"
111 #include "SkMatrixConvolutionImageFilter.h"
112 #include "SkMorphologyImageFilter.h"
113 #include "SkColorMatrixFilter.h"
114 #include "SkColorFilterImageFilter.h"
115 #include "SkRRect.h"
116
117 static void draw_set(SkCanvas* canvas, SkImageFilter* filters[], int count) {
118 const SkRect r = SkRect::MakeXYWH(30, 30, 200, 200);
119 const SkScalar offset = 250;
120 SkScalar dx = 0, dy = 0;
121
122 for (int i = 0; i < count; ++i) {
123 canvas->save();
124 SkRRect rr = SkRRect::MakeRectXY(r.makeOffset(dx, dy), 20, 20);
125 canvas->clipRRect(rr, SkRegion::kIntersect_Op, true);
126 canvas->saveLayer({ &rr.getBounds(), nullptr, filters[i], 0 });
127 canvas->drawColor(0x40FFFFFF);
128 canvas->restore();
129 canvas->restore();
130
131 if (0 == dx) {
132 dx = offset;
133 } else {
134 dx = 0;
135 dy = offset;
136 }
137 }
138 }
139
140 DEF_SIMPLE_GM(savelayer_with_backdrop, canvas, 830, 550) {
141 SkColorMatrix cm;
142 cm.setSaturation(10);
143 SkAutoTUnref<SkColorFilter> cf(SkColorMatrixFilter::Create(cm));
144 const SkScalar kernel[] = { 4, 0, 4, 0, -15, 0, 4, 0, 4 };
145 SkImageFilter* filters[] = {
146 SkBlurImageFilter::Create(10, 10),
147 SkDilateImageFilter::Create(8, 8),
148 SkMatrixConvolutionImageFilter::Create({ 3, 3 }, kernel, 1, 0, { 0, 0 },
149 SkMatrixConvolutionImageFilter::kClam pToBlack_TileMode,
150 true),
151 SkColorFilterImageFilter::Create(cf),
152 };
153
154 const struct {
155 SkScalar fSx, fSy, fTx, fTy;
156 } xforms[] = {
157 { 1, 1, 0, 0 },
158 { 0.5f, 0.5f, 530, 0 },
159 { 0.25f, 0.25f, 530, 275 },
160 { 0.125f, 0.125f, 530, 420 },
161 };
162
163 SkPaint paint;
164 paint.setFilterQuality(kMedium_SkFilterQuality);
165 SkAutoTUnref<SkImage> image(GetResourceAsImage("mandrill_512.png"));
166
167 canvas->translate(20, 20);
168 for (const auto& xform : xforms) {
169 canvas->save();
170 canvas->translate(xform.fTx, xform.fTy);
171 canvas->scale(xform.fSx, xform.fSy);
172 canvas->drawImage(image, 0, 0, &paint);
173 draw_set(canvas, filters, SK_ARRAY_COUNT(filters));
174 canvas->restore();
175 }
176
177 for (auto& filter : filters) {
178 filter->unref();
179 }
180 }
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