X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fimage.h;h=feb1a973010a107088fbfdd8ca3a9454269bf7ca;hb=696d50b659131ba46ea7f4c44ca4d29475e8cb4f;hp=e6259f56386feb597101659f3eb8f1022b3647de;hpb=ff56a43aa3799aa3357f4deca4d6482fc25a6a41;p=rocksndiamonds.git

diff --git a/src/libgame/image.h b/src/libgame/image.h
index e6259f56..feb1a973 100644
--- a/src/libgame/image.h
+++ b/src/libgame/image.h
@@ -1,7 +1,7 @@
 /***********************************************************
 * Artsoft Retro-Game Library                               *
 *----------------------------------------------------------*
-* (c) 1994-2000 Artsoft Entertainment                      *
+* (c) 1994-2001 Artsoft Entertainment                      *
 *               Holger Schemel                             *
 *               Detmolder Strasse 189                      *
 *               33604 Bielefeld                            *
@@ -45,13 +45,25 @@ struct RGBMap
 
 typedef struct
 {
+  unsigned int  type;		/* type of image (True-Color etc.)     */
   struct RGBMap rgb;		/* RGB map of image if IRGB type       */
   unsigned int  width;		/* width of image in pixels            */
   unsigned int  height;		/* height of image in pixels           */
   unsigned int  depth;		/* depth of image in bits if IRGB type */
+  unsigned int  bytes_per_pixel;/* (depth + 7) / 8                     */
+  unsigned int  bytes_per_row;	/* width * bytes_per_pixel             */
   byte         *data;		/* image data                          */
 } Image;
 
+#define IMAGETYPE_BITMAP	0	/* monochrome bitmap       */
+#define IMAGETYPE_RGB		1	/* RGB image with colormap */
+#define IMAGETYPE_TRUECOLOR	2	/* true-color image        */
+
+#define TRUECOLOR_RED(pixel)	(((unsigned long)((pixel) & 0xff0000)) >> 16)
+#define TRUECOLOR_GREEN(pixel)	(((unsigned long)((pixel) & 0xff00)) >> 8)
+#define TRUECOLOR_BLUE(pixel)	( (unsigned long)((pixel) & 0xff))
+#define RGB_TO_TRUECOLOR(r,g,b)	((((unsigned long)((r) & 0xff00)) << 8) | ((g) & 0xff00) | (((unsigned short)(b)) >> 8))
+
 Image *newImage(unsigned int, unsigned int, unsigned int);
 void freeImage(Image *);
 void freeXImage(Image *, XImageInfo *);