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Add gd_copy_frame_data() #32

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Add gd_copy_frame_data() #32

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7 changes: 7 additions & 0 deletions gifdec.c
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Original file line number Diff line number Diff line change
Expand Up @@ -509,6 +509,13 @@ gd_render_frame(gd_GIF *gif, uint8_t *buffer)
render_frame_rect(gif, buffer);
}

/* Extract the raw frame data (pixels represent palette indexes) */
void
gd_copy_frame_data(gd_GIF *gif, uint8_t *buffer)
{
memcpy(buffer, gif->frame, gif->width * gif->height);
}

int
gd_is_bgcolor(gd_GIF *gif, uint8_t color[3])
{
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1 change: 1 addition & 0 deletions gifdec.h
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Expand Up @@ -45,6 +45,7 @@ typedef struct gd_GIF {
gd_GIF *gd_open_gif(const char *fname);
int gd_get_frame(gd_GIF *gif);
void gd_render_frame(gd_GIF *gif, uint8_t *buffer);
void gd_copy_frame_data(gd_GIF *gif, uint8_t *buffer);
int gd_is_bgcolor(gd_GIF *gif, uint8_t color[3]);
void gd_rewind(gd_GIF *gif);
void gd_close_gif(gd_GIF *gif);
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