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| author | ftrapero <frantracer@gmail.com> | 2017-06-27 12:08:38 +0200 |
|---|---|---|
| committer | ftrapero <frantracer@gmail.com> | 2017-06-27 12:08:38 +0200 |
| commit | 663631725ee2d633d9ec5821cd48953ffd188d00 (patch) | |
| tree | 6d5cd671dd0fd27072661ab83a43f650295a980d /src/glut/os2/glut_bitmap.cpp | |
| download | nx-libs-663631725ee2d633d9ec5821cd48953ffd188d00.tar.gz nx-libs-663631725ee2d633d9ec5821cd48953ffd188d00.tar.bz2 nx-libs-663631725ee2d633d9ec5821cd48953ffd188d00.zip | |
Squashed 'nx-X11/extras/Mesa_6.4.2/' content from commit 475b1f7
git-subtree-dir: nx-X11/extras/Mesa_6.4.2
git-subtree-split: 475b1f7b56fa36ef4f3b22a749f88a98ddc0d502
Diffstat (limited to 'src/glut/os2/glut_bitmap.cpp')
| -rw-r--r-- | src/glut/os2/glut_bitmap.cpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/glut/os2/glut_bitmap.cpp b/src/glut/os2/glut_bitmap.cpp new file mode 100644 index 000000000..789a89ae7 --- /dev/null +++ b/src/glut/os2/glut_bitmap.cpp @@ -0,0 +1,57 @@ +
+/* 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 "glutint.h"
+#include "glutbitmap.h"
+
+void GLUTAPIENTRY
+glutBitmapCharacter(GLUTbitmapFont font, int c)
+{
+ const BitmapCharRec *ch;
+ BitmapFontPtr fontinfo;
+ GLint swapbytes, lsbfirst, rowlength;
+ GLint 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. */
+ glGetIntegerv(GL_UNPACK_SWAP_BYTES, &swapbytes);
+ glGetIntegerv(GL_UNPACK_LSB_FIRST, &lsbfirst);
+ glGetIntegerv(GL_UNPACK_ROW_LENGTH, &rowlength);
+ glGetIntegerv(GL_UNPACK_SKIP_ROWS, &skiprows);
+ glGetIntegerv(GL_UNPACK_SKIP_PIXELS, &skippixels);
+ glGetIntegerv(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, lsbfirst);
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, rowlength);
+ glPixelStorei(GL_UNPACK_SKIP_ROWS, skiprows);
+ glPixelStorei(GL_UNPACK_SKIP_PIXELS, skippixels);
+ glPixelStorei(GL_UNPACK_ALIGNMENT, alignment);
+ }
+}
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