Differential D11202 Diff 37037 source/blender/blenkernel/intern/image.c

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source/blender/blenkernel/intern/image.c

Show First 20 Lines • Show All 5,517 Lines • ▼ Show 20 Lines	void BKE_image_get_aspect(Image image, float r_aspx, float *r_aspy)
if (image) {		if (image) {
*r_aspy = image->aspy / image->aspx;		*r_aspy = image->aspy / image->aspx;
}		}
else {		else {
*r_aspy = 1.0f;		*r_aspy = 1.0f;
}		}
}		}

		/**
		* Return the tile_number for the closest UDIM tile.
		*/
		int BKE_image_find_nearest_tile(const Image *image, const float co[2])
		{
		campbellbartonUnsubmitted Not Done Inline Actions Initialize this to `-1`, then if anything goes wrong it's clear that no tile could be found. While unlikely, a NAN value in `co` could cause no tiles to match. campbellbarton: Initialize this to `-1`, then if anything goes wrong it's clear that no tile could be found.
		const float co_floor[2] = {floorf(co[0]), floorf(co[1])};
		/* Distance to the closest UDIM tile. */
		float dist_best_sq = FLT_MAX;
		int tile_number_best = -1;

		LISTBASE_FOREACH (const ImageTile *, tile, &image->tiles) {
		const int tile_index = tile->tile_number - 1001;
		/* Coordinates of the current tile. */
		const float tile_index_co[2] = {tile_index % 10, tile_index / 10};

		if (equals_v2v2(co_floor, tile_index_co)) {
		return tile->tile_number;
		}

		/* Distance between co[2] and UDIM tile. */
		const float dist_sq = len_squared_v2v2(tile_index_co, co);

		if (dist_sq < dist_best_sq) {
		dist_best_sq = dist_sq;
		tile_number_best = tile->tile_number;
		}
		}

		return tile_number_best;
		}

unsigned char BKE_image_get_pixels_for_frame(struct Image image, int frame, int tile)		unsigned char BKE_image_get_pixels_for_frame(struct Image image, int frame, int tile)
{		{
ImageUser iuser;		ImageUser iuser;
BKE_imageuser_default(&iuser);		BKE_imageuser_default(&iuser);
void *lock;		void *lock;
ImBuf *ibuf;		ImBuf *ibuf;
unsigned char *pixels = NULL;		unsigned char *pixels = NULL;

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