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 "ui/gfx/rect_conversions.h"
8
9 namespace cc {
10
OverlayCandidate()11 OverlayCandidate::OverlayCandidate()
12 : transform(gfx::OVERLAY_TRANSFORM_NONE),
13 format(RGBA_8888),
14 uv_rect(0.f, 0.f, 1.f, 1.f),
15 resource_id(0),
16 plane_z_order(0),
17 overlay_handled(false) {}
18
~OverlayCandidate()19 OverlayCandidate::~OverlayCandidate() {}
20
21 // static
GetOverlayTransform(const gfx::Transform & quad_transform,bool flipped)22 gfx::OverlayTransform OverlayCandidate::GetOverlayTransform(
23 const gfx::Transform& quad_transform,
24 bool flipped) {
25 if (!quad_transform.IsIdentityOrTranslation())
26 return gfx::OVERLAY_TRANSFORM_INVALID;
27
28 return flipped ? gfx::OVERLAY_TRANSFORM_FLIP_VERTICAL
29 : gfx::OVERLAY_TRANSFORM_NONE;
30 }
31
32 // static
GetOverlayRect(const gfx::Transform & quad_transform,const gfx::Rect & rect)33 gfx::Rect OverlayCandidate::GetOverlayRect(const gfx::Transform& quad_transform,
34 const gfx::Rect& rect) {
35 DCHECK(quad_transform.IsIdentityOrTranslation());
36
37 gfx::RectF float_rect(rect);
38 quad_transform.TransformRect(&float_rect);
39 return gfx::ToNearestRect(float_rect);
40 }
41
42 } // namespace cc
43