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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <Cocoa/Cocoa.h>
#include "base/logging.h"
#include "base/memory/scoped_nsobject.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/image.h"
#include "ui/gfx/image_unittest_util.h"
namespace {
class ImageMacTest : public testing::Test {
public:
size_t GetRepCount(const gfx::Image& image) {
return image.representations_.size();
}
void CreateBitmapImageRep(int width, int height, NSImageRep** image_rep) {
scoped_nsobject<NSImage> image([[NSImage alloc]
initWithSize:NSMakeSize(width, height)]);
[image lockFocus];
[[NSColor redColor] set];
NSRectFill(NSMakeRect(0, 0, width, height));
[image unlockFocus];
EXPECT_TRUE([[[image representations] lastObject]
isKindOfClass:[NSImageRep class]]);
*image_rep = [[image representations] lastObject];
}
};
namespace gt = gfx::test;
TEST_F(ImageMacTest, MultiResolutionNSImageToSkBitmap) {
const int width1 = 10;
const int height1 = 12;
const int width2 = 20;
const int height2 = 24;
NSImageRep* image_rep_1;
CreateBitmapImageRep(width1, height1, &image_rep_1);
NSImageRep* image_rep_2;
CreateBitmapImageRep(width2, height2, &image_rep_2);
scoped_nsobject<NSImage> ns_image([[NSImage alloc]
initWithSize:NSMakeSize(width1, height1)]);
[ns_image addRepresentation:image_rep_1];
[ns_image addRepresentation:image_rep_2];
gfx::Image image(ns_image.release());
EXPECT_EQ(1u, GetRepCount(image));
EXPECT_EQ(2u, image.GetNumberOfSkBitmaps());
const SkBitmap* bitmap1 = image.GetSkBitmapAtIndex(0);
EXPECT_TRUE(bitmap1);
const SkBitmap* bitmap2 = image.GetSkBitmapAtIndex(1);
EXPECT_TRUE(bitmap2);
if (bitmap1->width() == width1) {
EXPECT_EQ(bitmap1->height(), height1);
EXPECT_EQ(bitmap2->width(), width2);
EXPECT_EQ(bitmap2->height(), height2);
} else {
EXPECT_EQ(bitmap1->width(), width2);
EXPECT_EQ(bitmap1->height(), height2);
EXPECT_EQ(bitmap2->width(), width1);
EXPECT_EQ(bitmap2->height(), height1);
}
// GetNumberOfSkBitmaps and GetSkBitmapAtIndex should create a second
// representation.
EXPECT_EQ(2u, GetRepCount(image));
}
TEST_F(ImageMacTest, MultiResolutionSkBitmapToNSImage) {
const int width1 = 10;
const int height1 = 12;
const int width2 = 20;
const int height2 = 24;
std::vector<const SkBitmap*> bitmaps;
bitmaps.push_back(gt::CreateBitmap(width1, height1));
bitmaps.push_back(gt::CreateBitmap(width2, height2));
gfx::Image image(bitmaps);
EXPECT_EQ(1u, GetRepCount(image));
EXPECT_EQ(2u, image.GetNumberOfSkBitmaps());
NSImage* ns_image = image;
EXPECT_TRUE(ns_image);
EXPECT_EQ(2u, [[image representations] count]);
NSImageRep* image_rep_1 = [[image representations] objectAtIndex:0];
NSImageRep* image_rep_2 = [[image representations] objectAtIndex:1];
if ([image_rep_1 size].width == width1) {
EXPECT_EQ([image_rep_1 size].height, height1);
EXPECT_EQ([image_rep_2 size].width, width2);
EXPECT_EQ([image_rep_2 size].height, height2);
} else {
EXPECT_EQ([image_rep_1 size].width, width2);
EXPECT_EQ([image_rep_1 size].height, height2);
EXPECT_EQ([image_rep_2 size].width, width1);
EXPECT_EQ([image_rep_2 size].height, height1);
}
// Cast to NSImage* should create a second representation.
EXPECT_EQ(2u, GetRepCount(image));
}
} // namespace
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