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Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/compext/Bitmap.c')
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/compext/Bitmap.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/compext/Bitmap.c b/nx-X11/programs/Xserver/hw/nxagent/compext/Bitmap.c
new file mode 100644
index 000000000..d906118d0
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+++ b/nx-X11/programs/Xserver/hw/nxagent/compext/Bitmap.c
@@ -0,0 +1,120 @@
+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
+/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
+/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
+/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
+/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
+/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
+/* */
+/* NXCOMPEXT, NX protocol compression and NX extensions to this software */
+/* are copyright of the aforementioned persons and companies. */
+/* */
+/* Redistribution and use of the present software is allowed according */
+/* to terms specified in the file LICENSE which comes in the source */
+/* distribution. */
+/* */
+/* All rights reserved. */
+/* */
+/* NOTE: This software has received contributions from various other */
+/* contributors, only the core maintainers and supporters are listed as */
+/* copyright holders. Please contact us, if you feel you should be listed */
+/* as copyright holder, as well. */
+/* */
+/**************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "Compext.h"
+
+#include "Bitmap.h"
+
+#define PANIC
+#define WARNING
+#undef TEST
+#undef DEBUG
+
+char *BitmapCompressData(XImage *image, unsigned int *size)
+{
+ if (image -> bits_per_pixel != 32)
+ {
+ #ifdef TEST
+ fprintf(stderr, "******BitmapCompressData: Nothing to do with image of [%d] bpp and size [%d].\n",
+ image -> bits_per_pixel, image -> bytes_per_line * image -> height);
+ #endif
+
+ *size = image -> bytes_per_line * image -> height;
+
+ return image -> data;
+ }
+ else
+ {
+ /*
+ * Remove the 4th byte from the bitmap.
+ */
+
+ char *data;
+
+ char *next_src;
+ char *next_dst;
+
+ #ifdef TEST
+
+ if (image -> bytes_per_line != 4 * image -> width)
+ {
+ fprintf(stderr, "******BitmapCompressData: PANIC! Image as [%d] bytes per line with expected [%d].\n",
+ image -> bytes_per_line, 4 * image -> width);
+
+ return NULL;
+ }
+
+ #endif
+
+ *size = image -> width * image -> height * 3;
+
+ data = Xmalloc(*size);
+
+ if (data == NULL)
+ {
+ #ifdef PANIC
+ fprintf(stderr, "******BitmapCompressData: PANIC! Failed to allocate [%d] bytes for the destination.\n",
+ *size);
+ #endif
+
+ *size = image -> bytes_per_line * image -> height;
+
+ return image -> data;
+ }
+
+ next_src = image -> data;
+ next_dst = data;
+
+ if (image -> byte_order == LSBFirst)
+ {
+ while (next_src < image -> data +
+ image -> bytes_per_line * image -> height)
+ {
+ *next_dst++ = *next_src++;
+ *next_dst++ = *next_src++;
+ *next_dst++ = *next_src++;
+
+ next_src++;
+ }
+ }
+ else
+ {
+ while (next_src < image -> data +
+ image -> bytes_per_line * image -> height)
+ {
+ next_src++;
+
+ *next_dst++ = *next_src++;
+ *next_dst++ = *next_src++;
+ *next_dst++ = *next_src++;
+ }
+ }
+
+ return data;
+ }
+}