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Diffstat (limited to 'src/blitter/base.hpp')
-rw-r--r-- | src/blitter/base.hpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/blitter/base.hpp b/src/blitter/base.hpp index 6e59f4e2e..90e1dde03 100644 --- a/src/blitter/base.hpp +++ b/src/blitter/base.hpp @@ -139,6 +139,18 @@ public: virtual void MoveBuffer(void *video_dst, const void *video_src, int width, int height) = 0; /** + * Scroll the videobuffer some 'x' and 'y' value. + * @param video The buffer to scroll into. + * @param left The left value of the screen to scroll. + * @param top The top value of the screen to scroll. + * @param width The width of the screen to scroll. + * @param height The height of the screen to scroll. + * @param scroll_x How much to scroll in X. + * @param scroll_y How much to scroll in Y. + */ + virtual void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y) = 0; + + /** * Calculate how much memory there is needed for an image of this size in the video-buffer. * @param width The width of the buffer-to-be. * @param height The height of the buffer-to-be. |