http://www.jwz.org/xscreensaver/xscreensaver-5.07.tar.gz

[xscreensaver] / hacks / bumps.c

diff --git a/hacks/bumps.c b/hacks/bumps.c
index 094d31306c95485df70edd3e947ab0f35a72dcf2..c65d46f0c507f73248e714d5a01a18b54d009e25 100644 (file)
--- a/hacks/bumps.c
+++ b/hacks/bumps.c
@@ -28,7 +28,110 @@
  *                                                      for code optimization.
  */
 
-#include "bumps.h"
+
+#include <math.h>
+#include "screenhack.h"
+
+#ifdef HAVE_XSHM_EXTENSION
+#include "xshm.h"
+#endif /* HAVE_XSHM_EXTENSION */
+
+
+/* Defines: */
+/* #define VERBOSE */
+#define RANDOM() ((int) (random() & 0X7FFFFFFFL))
+
+typedef signed char            int8_;
+typedef unsigned char  uint8_;
+typedef short                  int16_;
+typedef unsigned short uint16_;
+typedef long                   int32_;
+typedef unsigned long  uint32_;
+typedef unsigned char  BOOL;
+
+
+/* Globals: */
+
+static const char *bumps_defaults [] = {
+  ".background: black",
+  ".foreground: white",
+  "*fpsSolid:  true",
+  "*color:             random",
+  "*colorcount:        64",
+  "*delay:             30000",
+  "*duration:  120",
+  "*soften:            1",
+  "*invert:            FALSE",
+#ifdef __sgi    /* really, HAVE_READ_DISPLAY_EXTENSION */
+  "*visualID:  Best",
+#endif
+#ifdef HAVE_XSHM_EXTENSION
+  "*useSHM:            True",
+#endif /* HAVE_XSHM_EXTENSION */
+  0
+};
+
+static XrmOptionDescRec bumps_options [] = {
+  { "-color",          ".color",               XrmoptionSepArg, 0 },
+  { "-colorcount",     ".colorcount",  XrmoptionSepArg, 0 },
+  { "-duration",       ".duration",    XrmoptionSepArg, 0 },
+  { "-delay",          ".delay",               XrmoptionSepArg, 0 },
+  { "-soften",         ".soften",              XrmoptionSepArg, 0 },
+  { "-invert",         ".invert",              XrmoptionNoArg, "TRUE" },
+#ifdef HAVE_XSHM_EXTENSION
+  { "-shm",                    ".useSHM",              XrmoptionNoArg, "True" },
+  { "-no-shm",         ".useSHM",              XrmoptionNoArg, "False" },
+#endif /* HAVE_XSHM_EXTENSION */
+
+  { 0, 0, 0, 0 }
+};
+
+
+/* This structure handles everything to do with the spotlight, and is designed to be
+ * a member of TBumps. */
+typedef struct
+{
+       uint8_ *aLightMap;
+       uint16_ nFalloffDiameter, nFalloffRadius;
+       uint16_ nLightDiameter, nLightRadius;
+       float nAccelX, nAccelY;
+       float nAccelMax;
+       float nVelocityX, nVelocityY;
+       float nVelocityMax;
+       float nXPos, nYPos;
+} SSpotLight;
+
+
+/* The entire program's operation is contained within this structure. */
+typedef struct
+{
+       /* XWindows specific variables. */
+       Display *dpy;
+       Window Win;
+       Screen *screen;
+        Pixmap source;
+       GC GraphicsContext;
+       XColor *xColors;
+       uint32_ *aColors;
+       XImage *pXImage;
+#ifdef HAVE_XSHM_EXTENSION
+       XShmSegmentInfo XShmInfo;
+       Bool    bUseShm;
+#endif /* HAVE_XSHM_EXTENSION */
+
+       uint8_ nColorCount;                             /* Number of colors used. */
+       uint8_ bytesPerPixel;
+       uint16_ iWinWidth, iWinHeight;
+       uint16_ *aBumpMap;                              /* The actual bump map. */
+       SSpotLight SpotLight;
+
+        int delay;
+        int duration;
+        time_t start_time;
+
+        async_load_state *img_loader;
+} SBumps;
+
 
 static void SetPalette(Display *, SBumps *, XWindowAttributes * );
 static void InitBumpMap(Display *, SBumps *, XWindowAttributes * );