separated DOS GLUT from GLX GLUT.

added a few FreeGLUT specific functions.

1 files changed, 115 insertions, 0 deletions

diff --git a/src/glut/dos/bitmap.c b/src/glut/dos/bitmap.c
new file mode 100644
index 00000000000..6d6b91e1c7b
--- /dev/null
+++ b/src/glut/dos/bitmap.c
@@ -0,0 +1,115 @@
+/*
+ * DOS/DJGPP Mesa Utility Toolkit
+ * Version:  1.0
+ *
+ * Copyright (C) 2005  Daniel Borca   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * DANIEL BORCA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+ 
+#include "internal.h"
+
+
+void APIENTRY
+glutBitmapCharacter (void *font, int c)
+{
+   const GLUTBitmapFont *bfp = _glut_font(font);
+   const GLUTBitmapChar *bcp;
+
+   if (c >= bfp->num || !(bcp = bfp->table[c]))
+      return;
+
+   glPushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
+
+   glPixelStorei(GL_UNPACK_SWAP_BYTES, GL_FALSE);
+   glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
+   glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+   glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
+   glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+   glBitmap(bcp->width, bcp->height, bcp->xorig, bcp->yorig,
+            bcp->xmove, 0, bcp->bitmap);
+
+   glPopClientAttrib();
+}
+
+
+void APIENTRY
+glutBitmapString (void *font, const unsigned char *string)
+{
+   const GLUTBitmapFont *bfp = _glut_font(font);
+   const GLUTBitmapChar *bcp;
+   unsigned char c;
+
+   glPushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
+
+   glPixelStorei(GL_UNPACK_SWAP_BYTES, GL_FALSE);
+   glPixelStorei(GL_UNPACK_LSB_FIRST, GL_FALSE);
+   glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+   glPixelStorei(GL_UNPACK_SKIP_ROWS, 0);
+   glPixelStorei(GL_UNPACK_SKIP_PIXELS, 0);
+   glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+
+   while ((c = *(string++))) {
+      if (c < bfp->num && (bcp = bfp->table[c]))
+         glBitmap(bcp->width, bcp->height, bcp->xorig,
+                  bcp->yorig, bcp->xmove, 0, bcp->bitmap);
+   }
+
+   glPopClientAttrib();
+}
+
+
+int APIENTRY
+glutBitmapWidth (void *font, int c)
+{
+   const GLUTBitmapFont *bfp = _glut_font(font);
+   const GLUTBitmapChar *bcp;
+
+   if (c >= bfp->num || !(bcp = bfp->table[c]))
+      return 0;
+
+   return bcp->xmove;
+}
+
+
+int APIENTRY
+glutBitmapLength (void *font, const unsigned char *string)
+{
+   const GLUTBitmapFont *bfp = _glut_font(font);
+   const GLUTBitmapChar *bcp;
+   unsigned char c;
+   int length = 0;
+
+   while ((c = *(string++))) {
+      if (c < bfp->num && (bcp = bfp->table[c]))
+         length += bcp->xmove;
+   }
+
+   return length;
+}
+
+
+int APIENTRY
+glutBitmapHeight (void *font)
+{
+   const GLUTBitmapFont *bfp = _glut_font(font);
+
+   return bfp->height;
+}