Merge branch 'image_palette'

1 files changed, 36 insertions, 0 deletions

diff --git a/src/gdisp/gdisp_image.h b/src/gdisp/gdisp_image.h
index 2b6fdf19..76773887 100644
--- a/src/gdisp/gdisp_image.h
+++ b/src/gdisp/gdisp_image.h
@@ -247,6 +247,42 @@ extern "C" {
 	 * 			frame/page.
 	 */
 	delaytime_t gdispImageNext(gdispImage *img);
+
+	/**
+	 * @brief	Get the number of entries in the color palette.
+	 * @return	The number of entries in the color palette or 0 if the image doesn't use a color palette.
+	 *
+	 * @param[in] img	The image structure
+	 * 
+	 * @pre		gdispImageOpen() must have returned successfully.
+	 */
+	uint16_t gdispImageGetPaletteSize(gdispImage *img);
+	
+	/**
+	 * @brief	Get an entry in the color palette.
+	 * @return	The color value at a given position in the color palette.
+	 *
+	 * @param[in] img	The image structure
+	 * @param[in] index	The index of the color palette entry
+	 * 
+	 * @pre		gdispImageOpen() must have returned successfully.
+	 *
+	 * @note	This function will return 0 if the index is out of bounds or if the image doesn't use a color palette.
+	 */
+	color_t gdispImageGetPalette(gdispImage *img, uint16_t index);
+	
+	/**
+	 * @brief	Modify an entry in the color palette.
+	 * @return	@p TRUE on success, @p FALSE otherwise.
+	 *
+	 * @param[in] img		The image structure
+	 * @param[in] index		The index of the color palette entry
+	 * @param[in] newColor	The new color value of the specified entry
+	 * 
+	 * @pre		gdispImageOpen() must have returned successfully.
+	 * @note	This function will return @p FALSE if the index is out of bounds or if the image doesn't use a color palette.
+	 */
+	bool_t gdispImageAdjustPalette(gdispImage *img, uint16_t index, color_t newColor);
 	
 #ifdef __cplusplus
 }