blob: bc640bc6aa5b4e1ab613943faa8b1b25dad4151e [file] [log] [blame]
senorblanco@chromium.org897b73f2014-02-19 22:10:12 +00001/*
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"
senorblanco8c874ee2015-03-20 06:38:17 -07009#include "SkImageFilter.h"
senorblanco@chromium.org897b73f2014-02-19 22:10:12 +000010#include "SkRandom.h"
11
12#define WIDTH 640
13#define HEIGHT 480
14
15#define RESIZE_FACTOR SkIntToScalar(2)
16
17namespace skiagm {
18
19class ImageResizeTiledGM : public GM {
20public:
21 ImageResizeTiledGM() {
22 }
23
24protected:
mtkleine4636aa2014-07-09 13:10:58 -070025
mtklein36352bf2015-03-25 18:17:31 -070026 SkString onShortName() override {
senorblanco@chromium.org897b73f2014-02-19 22:10:12 +000027 return SkString("imageresizetiled");
28 }
29
mtklein36352bf2015-03-25 18:17:31 -070030 SkISize onISize() override {
tfarinaf5393182014-06-09 23:59:03 -070031 return SkISize::Make(WIDTH, HEIGHT);
senorblanco@chromium.org897b73f2014-02-19 22:10:12 +000032 }
33
mtklein36352bf2015-03-25 18:17:31 -070034 void onDraw(SkCanvas* canvas) override {
senorblanco@chromium.org897b73f2014-02-19 22:10:12 +000035 SkPaint paint;
senorblanco@chromium.orgfd0ec2c2014-03-25 17:35:10 +000036 SkMatrix matrix;
37 matrix.setScale(RESIZE_FACTOR, RESIZE_FACTOR);
senorblanco@chromium.org897b73f2014-02-19 22:10:12 +000038 SkAutoTUnref<SkImageFilter> imageFilter(
senorblanco8c874ee2015-03-20 06:38:17 -070039 SkImageFilter::CreateMatrixFilter(matrix, kNone_SkFilterQuality));
senorblanco@chromium.org897b73f2014-02-19 22:10:12 +000040 paint.setImageFilter(imageFilter.get());
41 const SkScalar tile_size = SkIntToScalar(100);
42 SkRect bounds;
43 canvas->getClipBounds(&bounds);
44 for (SkScalar y = 0; y < HEIGHT; y += tile_size) {
45 for (SkScalar x = 0; x < WIDTH; x += tile_size) {
46 canvas->save();
47 canvas->clipRect(SkRect::MakeXYWH(x, y, tile_size, tile_size));
48 canvas->scale(SkScalarInvert(RESIZE_FACTOR),
49 SkScalarInvert(RESIZE_FACTOR));
50 canvas->saveLayer(NULL, &paint);
51 const char* str[] = {
52 "The quick",
53 "brown fox",
54 "jumped over",
55 "the lazy dog.",
56 };
57 SkPaint textPaint;
58 textPaint.setAntiAlias(true);
Cary Clark992c7b02014-07-31 08:58:44 -040059 sk_tool_utils::set_portable_typeface(&textPaint);
senorblanco@chromium.org897b73f2014-02-19 22:10:12 +000060 textPaint.setTextSize(SkIntToScalar(100));
61 int posY = 0;
62 for (unsigned i = 0; i < SK_ARRAY_COUNT(str); i++) {
63 posY += 100;
64 canvas->drawText(str[i], strlen(str[i]), SkIntToScalar(0),
65 SkIntToScalar(posY), textPaint);
66 }
67 canvas->restore();
68 canvas->restore();
69 }
70 }
71 }
72
73private:
74 typedef GM INHERITED;
75};
76
77//////////////////////////////////////////////////////////////////////////////
78
79DEF_GM(return new ImageResizeTiledGM(); )
80
81}