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