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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 #ifndef REMOTING_IOS_UI_CURSOR_TEXTURE_H_ | |
6 #define REMOTING_IOS_UI_CURSOR_TEXTURE_H_ | |
7 | |
8 #import <Foundation/Foundation.h> | |
9 #import <GLKit/GLKit.h> | |
10 | |
11 #import "base/memory/scoped_ptr.h" | |
12 | |
13 #import "remoting/ios/utility.h" | |
14 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" | |
15 #include "third_party/webrtc/modules/desktop_capture/mouse_cursor.h" | |
16 | |
17 @interface CursorTexture : NSObject { | |
18 @private | |
19 // GL name | |
20 GLuint _textureId; | |
21 webrtc::DesktopSize _textureSize; | |
22 BOOL _needInitialize; | |
23 | |
24 // The current cursor | |
25 scoped_ptr<webrtc::MouseCursor> _cursor; | |
26 | |
27 BOOL _needCursorRedraw; | |
28 | |
29 // Rectangle of the most recent cursor drawn to a GL Texture. On each | |
30 // successive frame when a new cursor is available this region is cleared on | |
31 // the GL Texture, so that the GL Texture is completely transparent again, and | |
32 // the cursor is then redrawn. | |
33 webrtc::DesktopRect _cursorDrawnToGL; | |
34 } | |
35 | |
36 - (const webrtc::DesktopSize&)textureSize; | |
37 | |
38 - (void)setTextureSize:(const webrtc::DesktopSize&)size; | |
39 | |
40 - (const webrtc::MouseCursor&)cursor; | |
41 | |
42 - (void)setCursor:(webrtc::MouseCursor*)cursor; | |
43 | |
44 // bind this object to an effect's via the effects properties | |
45 - (void)bindToEffect:(GLKEffectPropertyTexture*)effectProperty; | |
46 | |
47 // True if the cursor has changed in a way that requires it to be redrawn | |
48 - (BOOL)needDrawAtPosition:(const webrtc::DesktopVector&)position; | |
49 | |
50 // needDrawAtPosition must be checked prior to calling drawWithMousePosition. | |
51 // Draw mouse at the new position. | |
52 - (void)drawWithMousePosition:(const webrtc::DesktopVector&)position; | |
53 | |
54 - (void)releaseTexture; | |
55 | |
56 @end | |
57 | |
58 #endif // REMOTING_IOS_UI_CURSOR_TEXTURE_H_ | |
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