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Diffstat (limited to 'src/glut/mini/bitmap.c')
-rw-r--r--src/glut/mini/bitmap.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/glut/mini/bitmap.c b/src/glut/mini/bitmap.c
new file mode 100644
index 0000000000..55a031af0a
--- /dev/null
+++ b/src/glut/mini/bitmap.c
@@ -0,0 +1,56 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994. */
+
+/* This program is freely distributable without licensing fees
+ and is provided without guarantee or warrantee expressed or
+ implied. This program is -not- in the public domain. */
+
+#include "glutbitmap.h"
+
+void APIENTRY
+glutBitmapCharacter(GLUTbitmapFont font, int c)
+{
+ const BitmapCharRec *ch;
+ BitmapFontPtr fontinfo;
+ GLfloat swapbytes, lsbfirst, rowlength;
+ GLfloat skiprows, skippixels, alignment;
+
+#if defined(_WIN32)
+ fontinfo = (BitmapFontPtr) __glutFont(font);
+#else
+ fontinfo = (BitmapFontPtr) font;
+#endif
+
+ if (c < fontinfo->first ||
+ c >= fontinfo->first + fontinfo->num_chars)
+ return;
+ ch = fontinfo->ch[c - fontinfo->first];
+ if (ch) {
+ /* Save current modes. */
+/* glGetFloatv(GL_UNPACK_SWAP_BYTES, &swapbytes); */
+/* glGetFloatv(GL_UNPACK_LSB_FIRST, &lsbfirst); */
+/* glGetFloatv(GL_UNPACK_ROW_LENGTH, &rowlength); */
+/* glGetFloatv(GL_UNPACK_SKIP_ROWS, &skiprows); */
+/* glGetFloatv(GL_UNPACK_SKIP_PIXELS, &skippixels); */
+ glGetFloatv(GL_UNPACK_ALIGNMENT, &alignment);
+ /* Little endian machines (DEC Alpha for example) could
+ benefit from setting GL_UNPACK_LSB_FIRST to GL_TRUE
+ instead of GL_FALSE, but this would require changing the
+ generated bitmaps too. */
+/* 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(ch->width, ch->height, ch->xorig, ch->yorig,
+ ch->advance, 0, ch->bitmap);
+ /* Restore saved modes. */
+/* glPixelStorei(GL_UNPACK_SWAP_BYTES, swapbytes); */
+/* glPixelStorei(GL_UNPACK_LSB_FIRST, (int)lsbfirst); */
+/* glPixelStorei(GL_UNPACK_ROW_LENGTH, (int)rowlength); */
+/* glPixelStorei(GL_UNPACK_SKIP_ROWS, skiprows); */
+/* glPixelStorei(GL_UNPACK_SKIP_PIXELS, skippixels); */
+ glPixelStorei(GL_UNPACK_ALIGNMENT, (int)alignment);
+ }
+}