#define NEED_REPLIES
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "glxserver.h"
#include "glxutil.h"
#include "unpack.h"
#include "g_disptab.h"
#include "glapitable.h"
#include "glapi.h"
#include "glthread.h"
#include "dispatch.h"
#include "indirect_dispatch.h"
#include <GL/gl.h>
#include <pixmapstr.h>
#include <windowstr.h>
#include <dixfontstr.h>
extern XID clientErrorValue;
static int __glXMakeBitmapFromGlyph(FontPtr font, CharInfoPtr pci)
{
int i, j;
int widthPadded;
int allocBytes;
int w;
int h;
register unsigned char *pglyph;
register unsigned char *p;
unsigned char *allocbuf;
#define __GL_CHAR_BUF_SIZE 2048
unsigned char buf[__GL_CHAR_BUF_SIZE];
w = GLYPHWIDTHPIXELS(pci);
h = GLYPHHEIGHTPIXELS(pci);
widthPadded = GLYPHWIDTHBYTESPADDED(pci);
allocBytes = widthPadded * h;
if (allocBytes <= __GL_CHAR_BUF_SIZE) {
p = buf;
allocbuf = 0;
} else {
p = (unsigned char *) xalloc(allocBytes);
if (!p)
return BadAlloc;
allocbuf = p;
}
pglyph = FONTGLYPHBITS(FONTGLYPHS(font), pci) + (h-1)*widthPadded;
for (j=0; j < h; j++) {
for (i=0; i < widthPadded; i++) {
p[i] = pglyph[i];
}
pglyph -= widthPadded;
p += widthPadded;
}
CALL_Bitmap( GET_DISPATCH(), (w, h, -pci->metrics.leftSideBearing,
pci->metrics.descent,
pci->metrics.characterWidth, 0,
allocbuf ? allocbuf : buf) );
if (allocbuf) {
xfree(allocbuf);
}
return Success;
#undef __GL_CHAR_BUF_SIZE
}
static int
MakeBitmapsFromFont(FontPtr pFont, int first, int count, int list_base)
{
unsigned long i, nglyphs;
CARD8 chs[2];
CharInfoPtr pci;
int rv;
int encoding = (FONTLASTROW(pFont) == 0) ? Linear16Bit : TwoD16Bit;
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SWAP_BYTES, FALSE) );
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_LSB_FIRST, BITMAP_BIT_ORDER == LSBFirst) );
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, 0) );
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0) );
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0) );
CALL_PixelStorei( GET_DISPATCH(), (GL_UNPACK_ALIGNMENT, GLYPHPADBYTES) );
for (i=0; i < count; i++) {
chs[0] = (first + i) >> 8;
chs[1] = first + i;
(*pFont->get_glyphs)(pFont, 1, chs, (FontEncoding)encoding,
&nglyphs, &pci);
CALL_NewList( GET_DISPATCH(), (list_base + i, GL_COMPILE) );
if (nglyphs ) {
rv = __glXMakeBitmapFromGlyph(pFont, pci);
if (rv) {
return rv;
}
}
CALL_EndList( GET_DISPATCH(), () );
}
return Success;
}
int __glXDisp_UseXFont(__GLXclientState *cl, GLbyte *pc)
{
ClientPtr client = cl->client;
xGLXUseXFontReq *req;
FontPtr pFont;
GC *pGC;
GLuint currentListIndex;
__GLXcontext *cx;
int error;
req = (xGLXUseXFontReq *) pc;
cx = __glXForceCurrent(cl, req->contextTag, &error);
if (!cx) {
return error;
}
CALL_GetIntegerv( GET_DISPATCH(), (GL_LIST_INDEX, (GLint*) ¤tListIndex) );
if (currentListIndex != 0) {
client->errorValue = cx->id;
return __glXError(GLXBadContextState);
}
pFont = (FontPtr)LookupIDByType(req->font, RT_FONT);
if (!pFont) {
pGC = (GC *)LookupIDByType(req->font, RT_GC);
if (!pGC) {
client->errorValue = req->font;
return BadFont;
}
pFont = pGC->font;
}
return MakeBitmapsFromFont(pFont, req->first, req->count,
req->listBase);
}