Differential D11202 Diff 37035 source/blender/blenkernel/intern/image.c

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source/blender/blenkernel/intern/image.c

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	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;
	}			}
	}			}

				int BKE_image_find_nearest_tile(Image *image, const float co[2])
				{
				/* Distance to the closest UDIM tile */
				float closest_distance = FLT_MAX;
				int nearest_tile_number = -1;
				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.

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

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

				if (floor(co[0]) == tile_index_co[0] && floor(co[1]) == tile_index_co[1]) {
				return tile->tile_number;
				}
				else if (dist_sq < closest_distance) {
				closest_distance = dist_sq;
				nearest_tile_number = tile->tile_number;
				}
				}

				return nearest_tile_number;
				}

	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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