#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;
}