+/*
+ * Image canonicalisation function for use by callers feeding
+ * images into structure.c's routines.
+ */
+/*
+ * This is part of ypp-sc-tools, a set of third-party tools for assisting
+ * players of Yohoho Puzzle Pirates.
+ *
+ * Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+ * are used without permission. This program is not endorsed or
+ * sponsored by Three Rings.
+ */
+
#ifndef STRUCTURE_H
#define STRUCTURE_H
}while(0)
+typedef struct {
+ int w, h;
+ char data[];
+ /* red = data[ y*w*3 + x*3 + 0 ] = RI_PIXEL(ri,x,y)[0]
+ * green = data[ y*w*3 + x*3 + 1 ] = RI_PIXEL(ri,x,y)[1]
+ * blue = data[ y*w*3 + x*3 + 2 ] = RI_PIXEL(ri,x,y)[2]
+ */
+} RgbImage;
+
+RgbImage *alloc_rgb_image(int w, int h);
+
+#define RI_PIXEL(ri,x,y) ((ri)->data + ((y)*(ri)->w + (x)) * 3)
+
+#define CANONIMG_ALSO_STORERGB(ri) \
+ do{ \
+ char *rip= RI_PIXEL((ri),x,y); \
+ rip[0]= rgb >> 16; \
+ rip[1]= rgb >> 8; \
+ rip[2]= rgb; \
+ }while(0)
+
#endif /*STRUCTURE_H*/