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reed@google.com12fa9ba2013-01-16 18:54:15 +00001/*
2 * Copyright 2013 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 "SkCanvas.h"
10#include "SkBlurImageFilter.h"
reed71c3c762015-06-24 10:29:17 -070011#include "SkRSXform.h"
12#include "SkSurface.h"
reed@google.com12fa9ba2013-01-16 18:54:15 +000013
14static void make_bm(SkBitmap* bm) {
reed@google.comeb9a46c2014-01-25 16:46:20 +000015 bm->allocN32Pixels(100, 100);
reed@google.com12fa9ba2013-01-16 18:54:15 +000016 bm->eraseColor(SK_ColorBLUE);
17
18 SkCanvas canvas(*bm);
19 SkPaint paint;
20 paint.setAntiAlias(true);
21 paint.setColor(SK_ColorRED);
22 canvas.drawCircle(50, 50, 50, paint);
23}
24
25static void draw_2_bitmaps(SkCanvas* canvas, const SkBitmap& bm, bool doClip,
halcanary96fcdcc2015-08-27 07:41:13 -070026 int dx, int dy, SkImageFilter* filter = nullptr) {
reed@google.com12fa9ba2013-01-16 18:54:15 +000027 SkAutoCanvasRestore acr(canvas, true);
28 SkPaint paint;
29
skia.committer@gmail.com4d28d982013-01-17 07:06:06 +000030 SkRect clipR = SkRect::MakeXYWH(SkIntToScalar(dx),
robertphillips@google.com914a2f22013-01-16 19:57:02 +000031 SkIntToScalar(dy),
reed@google.com1c711ca2013-01-16 19:24:15 +000032 SkIntToScalar(bm.width()),
33 SkIntToScalar(bm.height()));
reed@google.com12fa9ba2013-01-16 18:54:15 +000034
35 paint.setImageFilter(filter);
36 clipR.inset(5, 5);
37
38 if (doClip) {
39 canvas->save();
40 canvas->clipRect(clipR);
41 }
42 canvas->drawSprite(bm, dx, dy, &paint);
43 if (doClip) {
44 canvas->restore();
45 }
46
reed@google.com1c711ca2013-01-16 19:24:15 +000047 canvas->translate(SkIntToScalar(bm.width() + 20), 0);
reed@google.com12fa9ba2013-01-16 18:54:15 +000048
49 if (doClip) {
50 canvas->save();
51 canvas->clipRect(clipR);
52 }
reed@google.com1c711ca2013-01-16 19:24:15 +000053 canvas->drawBitmap(bm, SkIntToScalar(dx), SkIntToScalar(dy), &paint);
reed@google.com12fa9ba2013-01-16 18:54:15 +000054 if (doClip) {
55 canvas->restore();
56 }
57}
58
59/**
60 * Compare output of drawSprite and drawBitmap (esp. clipping and imagefilters)
61 */
62class SpriteBitmapGM : public skiagm::GM {
63public:
64 SpriteBitmapGM() {}
65
66protected:
commit-bot@chromium.orga90c6802014-04-30 13:20:45 +000067
mtklein36352bf2015-03-25 18:17:31 -070068 SkString onShortName() override {
reed@google.com12fa9ba2013-01-16 18:54:15 +000069 return SkString("spritebitmap");
70 }
71
mtklein36352bf2015-03-25 18:17:31 -070072 SkISize onISize() override {
reed@google.com12fa9ba2013-01-16 18:54:15 +000073 return SkISize::Make(640, 480);
74 }
75
mtklein36352bf2015-03-25 18:17:31 -070076 void onDraw(SkCanvas* canvas) override {
reed@google.com12fa9ba2013-01-16 18:54:15 +000077 SkBitmap bm;
78 make_bm(&bm);
79
80 int dx = 10;
81 int dy = 10;
82
83 SkScalar sigma = 8;
commit-bot@chromium.orgcac5fd52014-03-10 10:51:58 +000084 SkAutoTUnref<SkImageFilter> filter(SkBlurImageFilter::Create(sigma, sigma));
reed@google.com12fa9ba2013-01-16 18:54:15 +000085
86 draw_2_bitmaps(canvas, bm, false, dx, dy);
87 dy += bm.height() + 20;
88 draw_2_bitmaps(canvas, bm, false, dx, dy, filter);
89 dy += bm.height() + 20;
90 draw_2_bitmaps(canvas, bm, true, dx, dy);
91 dy += bm.height() + 20;
92 draw_2_bitmaps(canvas, bm, true, dx, dy, filter);
93 }
94
95private:
96 typedef GM INHERITED;
97};
reed@google.com12fa9ba2013-01-16 18:54:15 +000098DEF_GM( return new SpriteBitmapGM; )
reed71c3c762015-06-24 10:29:17 -070099