137 * @param height The height of the buffer to move. |
137 * @param height The height of the buffer to move. |
138 */ |
138 */ |
139 virtual void MoveBuffer(void *video_dst, const void *video_src, int width, int height) = 0; |
139 virtual void MoveBuffer(void *video_dst, const void *video_src, int width, int height) = 0; |
140 |
140 |
141 /** |
141 /** |
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142 * Scroll the videobuffer some 'x' and 'y' value. |
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143 * @param video The buffer to scroll into. |
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144 * @param left The left value of the screen to scroll. |
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145 * @param top The top value of the screen to scroll. |
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146 * @param width The width of the screen to scroll. |
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147 * @param height The height of the screen to scroll. |
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148 * @param scroll_x How much to scroll in X. |
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149 * @param scroll_y How much to scroll in Y. |
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150 */ |
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151 virtual void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y) = 0; |
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152 |
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153 /** |
142 * Calculate how much memory there is needed for an image of this size in the video-buffer. |
154 * Calculate how much memory there is needed for an image of this size in the video-buffer. |
143 * @param width The width of the buffer-to-be. |
155 * @param width The width of the buffer-to-be. |
144 * @param height The height of the buffer-to-be. |
156 * @param height The height of the buffer-to-be. |
145 * @return The size needed for the buffer. |
157 * @return The size needed for the buffer. |
146 */ |
158 */ |