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Side by Side Diff: tests/ScaledImageCache.cpp

Issue 516923003: manual revert of bitmap scale change while I investigate failures (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 3 months ago
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1 /* 1 /*
2 * Copyright 2014 Google Inc. 2 * Copyright 2014 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 #include "Test.h" 7 #include "Test.h"
8 #include "SkCanvas.h" 8 #include "SkCanvas.h"
9 #include "SkGraphics.h" 9 #include "SkGraphics.h"
10 #include "SkBitmapCache.h" 10 #include "SkBitmapCache.h"
11 11
12 static const int kCanvasSize = 1; 12 static const int kCanvasSize = 1;
13 static const int kBitmapSize = 16; 13 static const int kBitmapSize = 16;
14 static const int kScale = 8; 14 static const int kScale = 8;
15 15
16 static bool is_in_scaled_image_cache(const SkBitmap& orig, 16 static bool is_in_scaled_image_cache(const SkBitmap& orig,
17 SkScalar xScale, 17 SkScalar xScale,
18 SkScalar yScale) { 18 SkScalar yScale) {
19 SkBitmap scaled; 19 SkBitmap scaled;
20 float roundedImageWidth = SkScalarRoundToScalar(orig.width() * xScale); 20 return SkBitmapCache::Find(orig, SkScalarInvert(xScale), SkScalarInvert(ySca le), &scaled);
21 float roundedImageHeight = SkScalarRoundToScalar(orig.height() * xScale);
22 return SkBitmapCache::Find(orig, roundedImageWidth, roundedImageHeight, &sca led);
23 } 21 }
24 22
25 // Draw a scaled bitmap, then return true iff it has been cached. 23 // Draw a scaled bitmap, then return true iff it has been cached.
26 static bool test_scaled_image_cache_useage() { 24 static bool test_scaled_image_cache_useage() {
27 SkAutoTUnref<SkCanvas> canvas( 25 SkAutoTUnref<SkCanvas> canvas(
28 SkCanvas::NewRasterN32(kCanvasSize, kCanvasSize)); 26 SkCanvas::NewRasterN32(kCanvasSize, kCanvasSize));
29 SkBitmap bitmap; 27 SkBitmap bitmap;
30 SkAssertResult(bitmap.allocN32Pixels(kBitmapSize, kBitmapSize)); 28 SkAssertResult(bitmap.allocN32Pixels(kBitmapSize, kBitmapSize));
31 bitmap.eraseColor(0xFFFFFFFF); 29 bitmap.eraseColor(0xFFFFFFFF);
32 SkScalar scale = SkIntToScalar(kScale); 30 SkScalar scale = SkIntToScalar(kScale);
(...skipping 32 matching lines...) Expand 10 before | Expand all | Expand 10 after
65 63
66 SkGraphics::SetImageCacheTotalByteLimit(0); // clear cache 64 SkGraphics::SetImageCacheTotalByteLimit(0); // clear cache
67 SkGraphics::SetImageCacheTotalByteLimit(2 * size); 65 SkGraphics::SetImageCacheTotalByteLimit(2 * size);
68 SkGraphics::SetImageCacheSingleAllocationByteLimit(size / 2); // too small 66 SkGraphics::SetImageCacheSingleAllocationByteLimit(size / 2); // too small
69 67
70 REPORTER_ASSERT(reporter, !test_scaled_image_cache_useage()); 68 REPORTER_ASSERT(reporter, !test_scaled_image_cache_useage());
71 69
72 SkGraphics::SetImageCacheSingleAllocationByteLimit(originalAllocationLimit); 70 SkGraphics::SetImageCacheSingleAllocationByteLimit(originalAllocationLimit);
73 SkGraphics::SetImageCacheTotalByteLimit(originalByteLimit); 71 SkGraphics::SetImageCacheTotalByteLimit(originalByteLimit);
74 } 72 }
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