1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
static void test_isDrawingToLayer(skiatest::Reporter* reporter) {
SkBitmap bm;
bm.setConfig(SkBitmap::kARGB_8888_Config, 256, 256);
bm.allocPixels();
SkCanvas canvas(bm);
REPORTER_ASSERT(reporter, !canvas.isDrawingToLayer());
canvas.save();
REPORTER_ASSERT(reporter, !canvas.isDrawingToLayer());
const SkRect* bounds = NULL; // null means include entire bounds
const SkPaint* paint = NULL;
canvas.saveLayer(bounds, paint);
REPORTER_ASSERT(reporter, canvas.isDrawingToLayer());
canvas.restore();
REPORTER_ASSERT(reporter, !canvas.isDrawingToLayer());
canvas.saveLayer(bounds, paint);
canvas.saveLayer(bounds, paint);
REPORTER_ASSERT(reporter, canvas.isDrawingToLayer());
canvas.restore();
REPORTER_ASSERT(reporter, canvas.isDrawingToLayer());
canvas.restore();
// now layer count should be 0
REPORTER_ASSERT(reporter, !canvas.isDrawingToLayer());
}
static void TestCanvas(skiatest::Reporter* reporter) {
SkBitmap bm;
bm.setConfig(SkBitmap::kARGB_8888_Config, 256, 256);
bm.allocPixels();
SkCanvas canvas(bm);
int n;
REPORTER_ASSERT(reporter, 1 == canvas.getSaveCount());
n = canvas.save();
REPORTER_ASSERT(reporter, 1 == n);
REPORTER_ASSERT(reporter, 2 == canvas.getSaveCount());
canvas.save();
canvas.save();
REPORTER_ASSERT(reporter, 4 == canvas.getSaveCount());
canvas.restoreToCount(2);
REPORTER_ASSERT(reporter, 2 == canvas.getSaveCount());
// should this pin to 1, or be a no-op, or crash?
canvas.restoreToCount(0);
REPORTER_ASSERT(reporter, 1 == canvas.getSaveCount());
test_isDrawingToLayer(reporter);
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("Canvas", TestCanvasClass, TestCanvas)
|