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_