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Adding API documentation for new image color palette functions

spinbox_widget
Joel Bodenmann 2016-11-11 18:35:09 +01:00
parent ebfe1e95a2
commit 73a110eed6
1 changed files with 32 additions and 0 deletions
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32
src/gdisp/gdisp_image.h
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@ -248,8 +248,40 @@ extern "C" {
*/
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