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49 lines
1.6 KiB
49 lines
1.6 KiB
# --- SDE-COPYRIGHT-NOTE-BEGIN --- |
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch. |
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# |
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# Filename: package/.../fbgrab/565-fixup.patch |
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# Copyright (C) 2004 - 2006 The T2 SDE Project |
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# |
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# More information can be found in the files COPYING and README. |
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# |
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# This patch file is dual-licensed. It is available under the license the |
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# patched project is licensed under, as long as it is an OpenSource license |
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms |
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# of the GNU General Public License as published by the Free Software |
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# Foundation; either version 2 of the License, or (at your option) any later |
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# version. |
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# --- SDE-COPYRIGHT-NOTE-END --- |
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Fixed fbgrab for big-endian systems, including a code cleanup on the way. |
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- Rene Rebe |
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--- fbgrab-1.0/fbgrab.c 2002-04-15 22:22:54.000000000 +0200 |
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+++ fbgrab-1.0-fixed/fbgrab.c 2004-09-05 16:12:42.874276472 +0200 |
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@@ -166,15 +166,17 @@ |
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for (i=0; i < (unsigned int) height*width*2; i+=2) |
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{ |
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- /* BLUE = 0 */ |
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- outbuffer[(i<<1)+0] = (inbuffer[i] & 0x1f) << 3; |
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- /* GREEN = 1 */ |
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- outbuffer[(i<<1)+1] = (((inbuffer[i+1] & 0x7) << 3) | |
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- (inbuffer[i] & 0xE0) >> 5) << 2; |
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- /* RED = 2 */ |
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- outbuffer[(i<<1)+2] = (inbuffer[i+1] & 0xF8); |
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- /* ALPHA = 3 */ |
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- outbuffer[(i<<1)+3] = '\0'; |
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+ int16_t v = |
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+#ifdef __BIG_ENDIAN__ |
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+ (inbuffer[i] << 8) + inbuffer[i+1]; |
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+#else |
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+ (inbuffer[i+1] << 8) + inbuffer[i]; |
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+#endif |
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+ |
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+ outbuffer[(i<<1)+0] = (v << 3) & 0xf8; /* B */ |
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+ outbuffer[(i<<1)+1] = (v >> 3) & 0xfc; /* G */ |
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+ outbuffer[(i<<1)+2] = (v >> 8) & 0xf8; /* R */ |
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+ outbuffer[(i<<1)+3] = 0; /* A */ |
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} |
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} |
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