void APIENTRY
glutStrokeCharacter(GLUTstrokeFont font, int c)
{
const StrokeCharRec *ch;
const StrokeRec *stroke;
const CoordRec *coord;
StrokeFontPtr fontinfo;
int i, j;
#if defined(_WIN32)
fontinfo = (StrokeFontPtr) __glutFont(font);
#else
fontinfo = (StrokeFontPtr) font;
#endif
if (c < 0 || c >= fontinfo->num_chars)
return;
ch = &(fontinfo->ch[c]);
if (ch) {
for (i = ch->num_strokes, stroke = ch->stroke;
i > 0; i--, stroke++) {
glBegin(GL_LINE_STRIP);
for (j = stroke->num_coords, coord = stroke->coord;
j > 0; j--, coord++) {
glVertex2f(coord->x, coord->y);
}
glEnd();
}
glTranslatef(ch->right, 0.0, 0.0);
}
}
void APIENTRY
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);
}
}
/* CENTRY */
int APIENTRY
glutStrokeWidth(GLUTstrokeFont font, int c)
{
StrokeFontPtr fontinfo;
const StrokeCharRec *ch;
#if defined(_WIN32)
fontinfo = (StrokeFontPtr) __glutFont(font);
#else
fontinfo = (StrokeFontPtr) font;
#endif
if (c < 0 || c >= fontinfo->num_chars)
return 0;
ch = &(fontinfo->ch[c]);
if (ch)
return (int)(ch->right);
else
return 0;
}
int APIENTRY
glutStrokeLength(GLUTstrokeFont font, const unsigned char *string)
{
int c, length;
StrokeFontPtr fontinfo;
const StrokeCharRec *ch;
#if defined(_WIN32)
fontinfo = (StrokeFontPtr) __glutFont(font);
#else
fontinfo = (StrokeFontPtr) font;
#endif
length = 0;
for (; *string != '\0'; string++) {
c = *string;
if (c >= 0 && c < fontinfo->num_chars) {
ch = &(fontinfo->ch[c]);
if (ch)
length += (int)(ch->right);
}
}
return length;
}
