CCGrabber.h 2.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475
  1. /****************************************************************************
  2. Copyright (c) 2009 On-Core
  3. Copyright (c) 2010-2012 cocos2d-x.org
  4. Copyright (c) 2013-2016 Chukong Technologies Inc.
  5. Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
  6. http://www.cocos2d-x.org
  7. Permission is hereby granted, free of charge, to any person obtaining a copy
  8. of this software and associated documentation files (the "Software"), to deal
  9. in the Software without restriction, including without limitation the rights
  10. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11. copies of the Software, and to permit persons to whom the Software is
  12. furnished to do so, subject to the following conditions:
  13. The above copyright notice and this permission notice shall be included in
  14. all copies or substantial portions of the Software.
  15. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21. THE SOFTWARE.
  22. ****************************************************************************/
  23. #ifndef __EFFECTS_CCGRABBER_H__
  24. #define __EFFECTS_CCGRABBER_H__
  25. #include "base/CCRef.h"
  26. #include "platform/CCGL.h"
  27. NS_CC_BEGIN
  28. class Texture2D;
  29. /**
  30. * @addtogroup _2d
  31. * @{
  32. */
  33. /** FBO class that grabs the contents of the screen */
  34. class Grabber : public Ref
  35. {
  36. public:
  37. /**
  38. Constructor.
  39. * @js ctor
  40. */
  41. Grabber(void);
  42. /**
  43. Destructor.
  44. * @js NA
  45. * @lua NA
  46. */
  47. ~Grabber(void);
  48. /**Init the grab structure, will set the texture as the FBO color attachment.*/
  49. void grab(Texture2D *texture);
  50. /**Begin capture the screen, which will save the old FBO, clear color, and set the new FBO, clear the background.*/
  51. void beforeRender(Texture2D *texture);
  52. /**After capture, will reset the old FBO and clear color.*/
  53. void afterRender(Texture2D *texture);
  54. protected:
  55. GLuint _FBO;
  56. GLint _oldFBO;
  57. GLfloat _oldClearColor[4];
  58. };
  59. // end of effects group
  60. /// @}
  61. NS_CC_END
  62. #endif // __EFFECTS_CCGRABBER_H__