--- rotate.H.orig Wed Jul 24 15:15:11 1996
+++ rotate.H Tue Apr 7 15:34:34 1998
@@ -6,7 +6,6 @@
// while compiling that function:
//
// #define DATA_TYPE unsigned char
-// #define DATA_PAD 1
#define IMAX 1000
@@ -21,7 +20,9 @@
}
else wcenter=center;
- ximage = img_buf->Init(width,height,DATA_PAD);
+ extern int scanline_pad;
+
+ ximage = img_buf->Init(width,height,scanline_pad/8);
if (!itm) {
if (page) {
@@ -40,7 +41,10 @@
edge=wcenter+(*itm)*Vec2(-offx,-offy);
}
-#if (0)
+extern int pixmap_depth;
+
+switch(pixmap_depth) {
+case 24:
//
// the traditional routine to copy each pixel from one image to the other
@@ -52,6 +56,15 @@
for (int y=0;y<height;y++) {
Vec2 pt=edge+y*diry;
+ for (int x=0;x<width;x++) {
+ XPutPixel(ximage,x,y,pm->GetPixel( XPix(pt.X()), YPix(pt.Y()) ));
+ pt+=dirx;
+ }
+ }
+
+#if 0
+ for (int y=0;y<height;y++) {
+ Vec2 pt=edge+y*diry;
/* x,y, dx,dy bestimmen ... */
register DATA_TYPE *dest = (DATA_TYPE*)(ximage->data + y * ximage->bytes_per_line);
for (int x=0;x<width;x++) {
@@ -59,8 +72,12 @@
pt+=dirx;
}
}
+#endif
-#else
+break;
+case 8:
+case 16:
+case 32:
//
// optimized mapping
@@ -209,7 +226,7 @@
}
}
}
-#endif
+}
img_buf->PutImage(dpy,tilemap,DefaultGC(dpy,scr),0,0,0,0,width,height);
