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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"
9 #include "SkMagnifierImageFilter.h"
10 #include "SkRandom.h"
11 
12 #define WIDTH 500
13 #define HEIGHT 500
14 
DEF_SIMPLE_GM_BG(imagemagnifier,canvas,WIDTH,HEIGHT,SK_ColorBLACK)15 DEF_SIMPLE_GM_BG(imagemagnifier, canvas, WIDTH, HEIGHT, SK_ColorBLACK) {
16         SkPaint filterPaint;
17         filterPaint.setImageFilter(
18             SkMagnifierImageFilter::Create(
19                 SkRect::MakeXYWH(SkIntToScalar(100), SkIntToScalar(100),
20                                  SkIntToScalar(WIDTH / 2),
21                                  SkIntToScalar(HEIGHT / 2)),
22                 100))->unref();
23         canvas->saveLayer(nullptr, &filterPaint);
24         const char* str = "The quick brown fox jumped over the lazy dog.";
25         SkRandom rand;
26         for (int i = 0; i < 25; ++i) {
27             int x = rand.nextULessThan(WIDTH);
28             int y = rand.nextULessThan(HEIGHT);
29             SkPaint paint;
30             sk_tool_utils::set_portable_typeface(&paint);
31             paint.setColor(sk_tool_utils::color_to_565(rand.nextBits(24) | 0xFF000000));
32             paint.setTextSize(rand.nextRangeScalar(0, 300));
33             paint.setAntiAlias(true);
34             canvas->drawText(str, strlen(str), SkIntToScalar(x),
35                              SkIntToScalar(y), paint);
36         }
37         canvas->restore();
38 }
39