X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fx11.c;h=f93b2cdb2a2db0130c2bd7829738c35c3df7846f;hb=e4bf86b0ac3fd50612eee1439beba2fbaaa7cd09;hp=4ef1bd16f258cbb3c6eb3cb206cdf98bdd870410;hpb=c9433eab5c4317ed4f89164b386a7d33562e29be;p=rocksndiamonds.git

diff --git a/src/libgame/x11.c b/src/libgame/x11.c
index 4ef1bd16..f93b2cdb 100644
--- a/src/libgame/x11.c
+++ b/src/libgame/x11.c
@@ -232,6 +232,20 @@ static DrawWindow *X11InitWindow()
   return new_window;
 }
 
+void X11ZoomBitmap(Bitmap *src_bitmap, Bitmap *dst_bitmap)
+{
+#if defined(TARGET_ALLEGRO)
+  AllegroZoomBitmap(src_bitmap->drawable, dst_bitmap->drawable,
+		    src_bitmap->width, src_bitmap->height,
+		    dst_bitmap->width, dst_bitmap->height);
+#else
+  ZoomPixmap(display, src_bitmap->gc,
+	     src_bitmap->drawable, dst_bitmap->drawable,
+	     src_bitmap->width, src_bitmap->height,
+	     dst_bitmap->width, dst_bitmap->height);
+#endif
+}
+
 static void SetImageDimensions(Bitmap *bitmap)
 {
 #if defined(TARGET_ALLEGRO)
@@ -254,6 +268,8 @@ Bitmap *X11LoadImage(char *filename)
   Bitmap *new_bitmap = CreateBitmapStruct();
   char *error = "Read_PCX_to_Pixmap(): %s '%s'";
   int pcx_err;
+  XGCValues clip_gc_values;
+  unsigned long clip_gc_valuemask;
 
   pcx_err = Read_PCX_to_Pixmap(display, window->drawable, window->gc, filename,
 			       &new_bitmap->drawable, &new_bitmap->clip_mask);
@@ -296,6 +312,12 @@ Bitmap *X11LoadImage(char *filename)
     return NULL;
   }
 
+  clip_gc_values.graphics_exposures = False;
+  clip_gc_values.clip_mask = new_bitmap->clip_mask;
+  clip_gc_valuemask = GCGraphicsExposures | GCClipMask;
+  new_bitmap->stored_clip_gc = XCreateGC(display, window->drawable,
+					 clip_gc_valuemask, &clip_gc_values);
+
   /* set GraphicContext inheritated from Window */
   new_bitmap->gc = window->gc;
 
@@ -305,4 +327,51 @@ Bitmap *X11LoadImage(char *filename)
   return new_bitmap;
 }
 
+inline void X11CopyArea(Bitmap *src_bitmap, Bitmap *dst_bitmap,
+			int src_x, int src_y, int width, int height,
+			int dst_x, int dst_y, int mask_mode)
+{
+  XCopyArea(display, src_bitmap->drawable, dst_bitmap->drawable,
+	    (mask_mode == BLIT_MASKED ? src_bitmap->clip_gc : dst_bitmap->gc),
+	    src_x, src_y, width, height, dst_x, dst_y);
+}
+
+inline void X11FillRectangle(Bitmap *bitmap, int x, int y,
+			     int width, int height, Pixel color)
+{
+  XSetForeground(display, bitmap->gc, color);
+  XFillRectangle(display, bitmap->drawable, bitmap->gc, x, y, width, height);
+}
+
+inline Pixel X11GetPixel(Bitmap *bitmap, int x, int y)
+{
+  unsigned long pixel_value;
+  XImage *pixel_image;
+
+  pixel_image = XGetImage(display, bitmap->drawable, x, y, 1, 1,
+			  AllPlanes, ZPixmap);
+  pixel_value = XGetPixel(pixel_image, 0, 0);
+
+  XDestroyImage(pixel_image);
+
+  return pixel_value;
+}
+
+inline Pixel X11GetPixelFromRGB(unsigned int color_r, unsigned int color_g,
+				unsigned int color_b)
+{
+  XColor xcolor;
+  Pixel pixel;
+
+  xcolor.flags = DoRed | DoGreen | DoBlue;
+  xcolor.red = (color_r << 8);
+  xcolor.green = (color_g << 8);
+  xcolor.blue = (color_b << 8);
+
+  XAllocColor(display, cmap, &xcolor);
+  pixel = xcolor.pixel;
+
+  return pixel;
+}
+
 #endif /* TARGET_X11 */