1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "cc/output/overlay_candidate.h"
6
7 #include <algorithm>
8 #include "base/logging.h"
9 #include "ui/gfx/geometry/rect_conversions.h"
10
11 namespace cc {
12
OverlayCandidate()13 OverlayCandidate::OverlayCandidate()
14 : transform(gfx::OVERLAY_TRANSFORM_NONE),
15 format(RGBA_8888),
16 uv_rect(0.f, 0.f, 1.f, 1.f),
17 resource_id(0),
18 plane_z_order(0),
19 overlay_handled(false) {}
20
~OverlayCandidate()21 OverlayCandidate::~OverlayCandidate() {}
22
23 // static
GetOverlayTransform(const gfx::Transform & quad_transform,bool flipped)24 gfx::OverlayTransform OverlayCandidate::GetOverlayTransform(
25 const gfx::Transform& quad_transform,
26 bool flipped) {
27 if (!quad_transform.IsIdentityOrTranslation())
28 return gfx::OVERLAY_TRANSFORM_INVALID;
29
30 return flipped ? gfx::OVERLAY_TRANSFORM_FLIP_VERTICAL
31 : gfx::OVERLAY_TRANSFORM_NONE;
32 }
33
34 // static
GetOverlayRect(const gfx::Transform & quad_transform,const gfx::Rect & rect)35 gfx::Rect OverlayCandidate::GetOverlayRect(const gfx::Transform& quad_transform,
36 const gfx::Rect& rect) {
37 DCHECK(quad_transform.IsIdentityOrTranslation());
38
39 gfx::RectF float_rect(rect);
40 quad_transform.TransformRect(&float_rect);
41 return gfx::ToNearestRect(float_rect);
42 }
43
44 } // namespace cc
45