-
-/* image.h */
+/***********************************************************
+* Rocks'n'Diamonds -- McDuffin Strikes Back! *
+*----------------------------------------------------------*
+* (c) 1995-98 Artsoft Entertainment *
+* Holger Schemel *
+* Oststrasse 11a *
+* 33604 Bielefeld *
+* phone: ++49 +521 290471 *
+* email: aeglos@valinor.owl.de *
+*----------------------------------------------------------*
+* image.h *
+***********************************************************/
+
+#ifndef IMAGE_H
+#define IMAGE_H
#include "main.h"
-typedef unsigned short Intensity; /* what X thinks an RGB intensity is */
+#define MAX_COLORS 256 /* maximal number of colors for each image */
+
+typedef unsigned short Intensity; /* RGB intensity for X11 */
-/* This struct holds the X-client side bits for a rendered image. */
typedef struct
{
- Display *disp; /* destination display */
- int scrn; /* destination screen */
- int depth; /* depth of drawable we want/have */
- Drawable drawable; /* drawable to send image to */
- Pixel *index; /* array of pixel values allocated */
- int no; /* number of pixels in the array */
- int rootimage; /* True if is a root image - eg, retain colors */
- Pixel foreground; /* foreground and background pixels for mono images */
- Pixel background;
- Colormap cmap; /* colormap used for image */
- GC gc; /* cached gc for sending image */
- XImage *ximage; /* ximage structure */
+ Display *display; /* destination display */
+ int depth; /* depth of destination drawable */
+ Pixel index[MAX_COLORS]; /* array of pixel values */
+ int no; /* number of pixels in the array */
+ Colormap cmap; /* colormap used for image */
+ Pixmap pixmap; /* final pixmap */
+ Pixmap pixmap_mask; /* final pixmap of mask */
} XImageInfo;
-/* Function declarations */
-void sendXImage(); /* send.c */
-XImageInfo *imageToXImage();
-Pixmap ximageToPixmap();
-void freeXImage();
-
-
-typedef struct rgbmap
+struct RGBMap
{
- unsigned int size; /* size of RGB map */
- unsigned int used; /* number of colors used in RGB map */
- int compressed; /* image uses colormap fully */
- Intensity *red; /* color values in X style */
- Intensity *green;
- Intensity *blue;
-} RGBMap;
+ unsigned int used; /* number of colors used in RGB map */
+ Intensity red[MAX_COLORS]; /* color values in X style */
+ Intensity green[MAX_COLORS];
+ Intensity blue[MAX_COLORS];
+ boolean color_used[MAX_COLORS]; /* flag if color cell is used */
+};
-/* image structure
- */
-
-typedef struct {
- unsigned int type; /* type of image */
- 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 pixlen; /* length of pixel if IRGB type */
- byte *data; /* data rounded to full byte for each row */
- float gamma; /* gamma of display the image is adjusted for */
+typedef struct
+{
+ 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 */
+ byte *data; /* image data */
} Image;
-#define IBITMAP 0 /* image is a bitmap */
-#define IRGB 1 /* image is RGB */
-
-#define BITMAPP(IMAGE) ((IMAGE)->type == IBITMAP)
-#define RGBP(IMAGE) ((IMAGE)->type == IRGB)
-
-#define depthToColors(n) DepthToColorsTable[((n) < 24 ? (n) : 24)]
-
-/*
- * Architecture independent memory to value conversions.
- * Note the "Normal" internal format is big endian.
- */
-
-#define memToVal(PTR,LEN) ( \
-(LEN) == 1 ? (unsigned long)( *( (byte *)(PTR)) ) : \
-(LEN) == 2 ? (unsigned long)(((unsigned long)(*( (byte *)(PTR)) ))<< 8) \
- + ( *(((byte *)(PTR))+1) ) : \
-(LEN) == 3 ? (unsigned long)(((unsigned long)(*( (byte *)(PTR)) ))<<16) \
- + (((unsigned long)(*(((byte *)(PTR))+1)))<< 8) \
- + ( *(((byte *)(PTR))+2) ) : \
- (unsigned long)(((unsigned long)(*( (byte *)(PTR)) ))<<24) \
- + (((unsigned long)(*(((byte *)(PTR))+1)))<<16) \
- + (((unsigned long)(*(((byte *)(PTR))+2)))<< 8) \
- + ( *(((byte *)(PTR))+3) ) )
-
-#define valToMem(VAL,PTR,LEN) ( \
-(LEN) == 1 ? (*( (byte *)(PTR) ) = ( VAL ) ) : \
-(LEN) == 2 ? (*( (byte *)(PTR) ) = (((unsigned long)(VAL))>> 8), \
- *(((byte *)(PTR))+1) = ( VAL ) ) : \
-(LEN) == 3 ? (*( (byte *)(PTR) ) = (((unsigned long)(VAL))>>16), \
- *(((byte *)(PTR))+1) = (((unsigned long)(VAL))>> 8), \
- *(((byte *)(PTR))+2) = ( VAL ) ) : \
- (*( (byte *)(PTR) ) = (((unsigned long)(VAL))>>24), \
- *(((byte *)(PTR))+1) = (((unsigned long)(VAL))>>16), \
- *(((byte *)(PTR))+2) = (((unsigned long)(VAL))>> 8), \
- *(((byte *)(PTR))+3) = ( VAL ) ))
-
-
-/* functions */
-
-extern unsigned long DepthToColorsTable[];
-Image *newBitImage();
-Image *newRGBImage();
-void freeImage();
-void freeImageData();
-void newRGBMapData();
-void freeRGBMapData();
-byte *lcalloc();
-byte *lmalloc();
-
-Image *Read_GIF_to_Image();
-Image *monochrome();
-Image *zoom();
+int Read_PCX_to_Pixmap(Display *, Window, GC, char *, Pixmap *, Pixmap *);
-void compress();
+Image *newImage(unsigned int, unsigned int, unsigned int);
+void freeImage(Image *);
+void freeXImage(Image *, XImageInfo *);
-Pixmap XImage_to_Pixmap(Display *, Window, XImageInfo *);
-XImageInfo *Image_to_XImage(Display *, int, Visual *, unsigned int, Image *);
-void XImage_to_Drawable(XImageInfo *, int, int, int, int,
- unsigned int, unsigned int);
+#endif /* IMAGE_H */
projects / rocksndiamonds.git / blobdiff