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 "SkImageFilter.h"
10#include "SkRandom.h"
11
12#define WIDTH 640
13#define HEIGHT 480
14
15#define RESIZE_FACTOR SkIntToScalar(2)
16
17DEF_SIMPLE_GM(imageresizetiled, canvas, WIDTH, HEIGHT) {
18        SkPaint paint;
19        SkMatrix matrix;
20        matrix.setScale(RESIZE_FACTOR, RESIZE_FACTOR);
21        SkAutoTUnref<SkImageFilter> imageFilter(
22            SkImageFilter::CreateMatrixFilter(matrix, kNone_SkFilterQuality));
23        paint.setImageFilter(imageFilter.get());
24        const SkScalar tile_size = SkIntToScalar(100);
25        SkRect bounds;
26        canvas->getClipBounds(&bounds);
27        for (SkScalar y = 0; y < HEIGHT; y += tile_size) {
28            for (SkScalar x = 0; x < WIDTH; x += tile_size) {
29                canvas->save();
30                canvas->clipRect(SkRect::MakeXYWH(x, y, tile_size, tile_size));
31                canvas->scale(SkScalarInvert(RESIZE_FACTOR),
32                              SkScalarInvert(RESIZE_FACTOR));
33                canvas->saveLayer(nullptr, &paint);
34                const char* str[] = {
35                    "The quick",
36                    "brown fox",
37                    "jumped over",
38                    "the lazy dog.",
39                };
40                SkPaint textPaint;
41                textPaint.setAntiAlias(true);
42                sk_tool_utils::set_portable_typeface(&textPaint);
43                textPaint.setTextSize(SkIntToScalar(100));
44                int posY = 0;
45                for (unsigned i = 0; i < SK_ARRAY_COUNT(str); i++) {
46                    posY += 100;
47                    canvas->drawText(str[i], strlen(str[i]), SkIntToScalar(0),
48                                     SkIntToScalar(posY), textPaint);
49                }
50                canvas->restore();
51                canvas->restore();
52            }
53        }
54}
55