diff options
Diffstat (limited to 'src/glut/os2/glut_bitmap.cpp')
-rw-r--r-- | src/glut/os2/glut_bitmap.cpp | 114 |
1 files changed, 57 insertions, 57 deletions
diff --git a/src/glut/os2/glut_bitmap.cpp b/src/glut/os2/glut_bitmap.cpp index 789a89ae73e..40530b69c13 100644 --- a/src/glut/os2/glut_bitmap.cpp +++ b/src/glut/os2/glut_bitmap.cpp @@ -1,57 +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);
- }
-}
+ +/* 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); + } +} |