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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 
8 #include "gm.h"
9 #include "sk_tool_utils.h"
10 #include "SkImageFilter.h"
11 #include "SkRandom.h"
12 
13 #define WIDTH 640
14 #define HEIGHT 480
15 
16 #define RESIZE_FACTOR SkIntToScalar(2)
17 
DEF_SIMPLE_GM(imageresizetiled,canvas,WIDTH,HEIGHT)18 DEF_SIMPLE_GM(imageresizetiled, canvas, WIDTH, HEIGHT) {
19         SkPaint paint;
20         SkMatrix matrix;
21         matrix.setScale(RESIZE_FACTOR, RESIZE_FACTOR);
22         paint.setImageFilter(SkImageFilter::MakeMatrixFilter(matrix,
23                                                              kNone_SkFilterQuality,
24                                                              nullptr));
25 
26         SkFont font(sk_tool_utils::create_portable_typeface(), 100);
27         const SkScalar tile_size = SkIntToScalar(100);
28         for (SkScalar y = 0; y < HEIGHT; y += tile_size) {
29             for (SkScalar x = 0; x < WIDTH; x += tile_size) {
30                 canvas->save();
31                 canvas->clipRect(SkRect::MakeXYWH(x, y, tile_size, tile_size));
32                 canvas->scale(SkScalarInvert(RESIZE_FACTOR),
33                               SkScalarInvert(RESIZE_FACTOR));
34                 canvas->saveLayer(nullptr, &paint);
35                 const char* str[] = {
36                     "The quick",
37                     "brown fox",
38                     "jumped over",
39                     "the lazy dog.",
40                 };
41                 float posY = 0;
42                 for (unsigned i = 0; i < SK_ARRAY_COUNT(str); i++) {
43                     posY += 100.0f;
44                     canvas->drawString(str[i], 0.0f, posY, font, SkPaint());
45                 }
46                 canvas->restore();
47                 canvas->restore();
48             }
49         }
50 }
51