blob: 579af3476991b2b3fbb234bb73cef0af65f0fdd8 (
plain)
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
|
// Copyright 2012 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 "cc/contents_scaling_layer.h"
#include "ui/gfx/size_conversions.h"
namespace cc {
gfx::Size ContentsScalingLayer::computeContentBoundsForScale(float scaleX, float scaleY) const {
return gfx::ToCeiledSize(gfx::ScaleSize(bounds(), scaleX, scaleY));
}
ContentsScalingLayer::ContentsScalingLayer() {
}
ContentsScalingLayer::~ContentsScalingLayer() {
}
void ContentsScalingLayer::calculateContentsScale(
float ideal_contents_scale,
float* contents_scale_x,
float* contents_scale_y,
gfx::Size* content_bounds) {
*contents_scale_x = ideal_contents_scale;
*contents_scale_y = ideal_contents_scale;
*content_bounds = computeContentBoundsForScale(
ideal_contents_scale,
ideal_contents_scale);
}
void ContentsScalingLayer::didUpdateBounds() {
drawProperties().content_bounds = computeContentBoundsForScale(
contentsScaleX(),
contentsScaleY());
}
} // namespace cc
|
