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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 
8 #include "gm.h"
9 #include "SkBlurImageFilter.h"
10 #include "SkRandom.h"
11 
12 #define WIDTH 500
13 #define HEIGHT 500
14 
imageblurgm_draw(SkScalar fSigmaX,SkScalar fSigmaY,SkCanvas * canvas)15 void imageblurgm_draw(SkScalar fSigmaX, SkScalar fSigmaY, SkCanvas* canvas) {
16         SkPaint paint;
17         SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(fSigmaX, fSigmaY));
18         paint.setImageFilter(blur);
19         canvas->saveLayer(nullptr, &paint);
20         const char* str = "The quick brown fox jumped over the lazy dog.";
21 
22         SkRandom rand;
23         SkPaint textPaint;
24         textPaint.setAntiAlias(true);
25         sk_tool_utils::set_portable_typeface(&textPaint);
26         for (int i = 0; i < 25; ++i) {
27             int x = rand.nextULessThan(WIDTH);
28             int y = rand.nextULessThan(HEIGHT);
29             textPaint.setColor(sk_tool_utils::color_to_565(rand.nextBits(24) | 0xFF000000));
30             textPaint.setTextSize(rand.nextRangeScalar(0, 300));
31             canvas->drawText(str, strlen(str), SkIntToScalar(x),
32                              SkIntToScalar(y), textPaint);
33         }
34         canvas->restore();
35 }
DEF_SIMPLE_GM_BG(imageblur,canvas,WIDTH,HEIGHT,SK_ColorBLACK)36 DEF_SIMPLE_GM_BG(imageblur,       canvas, WIDTH, HEIGHT, SK_ColorBLACK) {
37     imageblurgm_draw(24.0f, 0.0f, canvas);
38 }
DEF_SIMPLE_GM_BG(imageblur_large,canvas,WIDTH,HEIGHT,SK_ColorBLACK)39 DEF_SIMPLE_GM_BG(imageblur_large, canvas, WIDTH, HEIGHT, SK_ColorBLACK) {
40     imageblurgm_draw(80.0f, 80.0f, canvas);
41 }
42