Initial import of the CDE 2.1.30 sources from the Open Group.
This commit is contained in:
Peter Howkins
234
cde/lib/DtTerm/TermPrim/TermPrimRenderFontSet.c
Normal file
234
cde/lib/DtTerm/TermPrim/TermPrimRenderFontSet.c
Normal file
@@ -0,0 +1,234 @@
|
||||
#ifndef lint
|
||||
#ifdef VERBOSE_REV_INFO
|
||||
static char rcs_id[] = "$XConsortium: TermPrimRenderFontSet.c /main/1 1996/04/21 19:18:53 drk $";
|
||||
#endif /* VERBOSE_REV_INFO */
|
||||
#endif /* lint */
|
||||
|
||||
/* *
|
||||
* (c) Copyright 1993, 1994 Hewlett-Packard Company *
|
||||
* (c) Copyright 1993, 1994 International Business Machines Corp. *
|
||||
* (c) Copyright 1993, 1994 Sun Microsystems, Inc. *
|
||||
* (c) Copyright 1993, 1994 Novell, Inc. *
|
||||
*/
|
||||
|
||||
#include "TermHeader.h"
|
||||
#include "TermPrimP.h"
|
||||
#include "TermPrimDebug.h"
|
||||
#include "TermPrimRenderP.h"
|
||||
#include "TermPrimRenderFontSet.h"
|
||||
|
||||
typedef struct _TermFontSetRec {
|
||||
XFontSet fontSet;
|
||||
int ascent;
|
||||
int height;
|
||||
int width;
|
||||
} TermFontSetRec, *TermFontSet;
|
||||
|
||||
static void
|
||||
FontSetRenderFunction(
|
||||
Widget w,
|
||||
TermFont font,
|
||||
Pixel fg,
|
||||
Pixel bg,
|
||||
unsigned long flags,
|
||||
int x,
|
||||
int y,
|
||||
unsigned char *string,
|
||||
int len
|
||||
)
|
||||
{
|
||||
DtTermPrimitiveWidget tw = (DtTermPrimitiveWidget) w;
|
||||
struct termData *tpd = tw->term.tpd;
|
||||
XGCValues values;
|
||||
unsigned long valueMask;
|
||||
TermFontSet termFontSet = (TermFontSet) font->fontInfo;
|
||||
|
||||
/* set the renderGC... */
|
||||
valueMask = (unsigned long) 0;
|
||||
|
||||
/* set the foreground... */
|
||||
if (TermIS_SECURE(flags)) {
|
||||
if (tpd->renderGC.foreground != bg) {
|
||||
tpd->renderGC.foreground = bg;
|
||||
values.foreground = bg;
|
||||
valueMask |= GCForeground;
|
||||
}
|
||||
} else {
|
||||
if (tpd->renderGC.foreground != fg) {
|
||||
tpd->renderGC.foreground = fg;
|
||||
values.foreground = fg;
|
||||
valueMask |= GCForeground;
|
||||
}
|
||||
}
|
||||
|
||||
/* set background... */
|
||||
if (tpd->renderGC.background != bg) {
|
||||
tpd->renderGC.background = bg;
|
||||
values.background = bg;
|
||||
valueMask |= GCBackground;
|
||||
}
|
||||
|
||||
/* since Xlib will be mucking with the GC's font under us, we need to
|
||||
* make sure we trash the cached value...
|
||||
*/
|
||||
tpd->renderGC.fid = (Font) 0;
|
||||
|
||||
if (valueMask) {
|
||||
(void) XChangeGC(XtDisplay(w), tpd->renderGC.gc, valueMask,
|
||||
&values);
|
||||
}
|
||||
|
||||
/* draw image string a line of text... */
|
||||
if (isDebugFSet('t', 1)) {
|
||||
#ifdef BBA
|
||||
#pragma BBA_IGNORE
|
||||
#endif /*BBA*/
|
||||
/* Fill in the text area so we can see what is going to
|
||||
* be displayed...
|
||||
*/
|
||||
(void) XFillRectangle(XtDisplay(w),
|
||||
XtWindow(w),
|
||||
tpd->renderGC.gc,
|
||||
x,
|
||||
y,
|
||||
(tpd->mbCurMax == 1) ?
|
||||
XmbTextEscapement(termFontSet->fontSet, (char *) string, len) :
|
||||
XwcTextEscapement(termFontSet->fontSet, (wchar_t *) string,
|
||||
len),
|
||||
tpd->cellHeight);
|
||||
(void) XSync(XtDisplay(w), False);
|
||||
(void) shortSleep(100000);
|
||||
}
|
||||
|
||||
if (tpd->mbCurMax == 1)
|
||||
{
|
||||
(void) XmbDrawImageString(XtDisplay(w),/* Display */
|
||||
XtWindow(w), /* Drawable */
|
||||
termFontSet->fontSet, /* XFontSet */
|
||||
tpd->renderGC.gc, /* GC */
|
||||
x, /* x */
|
||||
y + termFontSet->ascent, /* y */
|
||||
(char *)string, /* string */
|
||||
len); /* length */
|
||||
|
||||
/* handle overstrike... */
|
||||
if (TermIS_OVERSTRIKE(flags)) {
|
||||
(void) XmbDrawString(XtDisplay(w), /* Display */
|
||||
XtWindow(w), /* Drawable */
|
||||
termFontSet->fontSet, /* XFontSet */
|
||||
tpd->renderGC.gc, /* GC */
|
||||
x + 1, /* x */
|
||||
y + termFontSet->ascent, /* y */
|
||||
(char *)string, /* string */
|
||||
len); /* length */
|
||||
}
|
||||
/* handle the underline enhancement... */
|
||||
/* draw the underline... */
|
||||
if (TermIS_UNDERLINE(flags)) {
|
||||
XDrawLine(XtDisplay(w), /* Display */
|
||||
XtWindow(w), /* Window */
|
||||
tpd->renderGC.gc, /* GC */
|
||||
x, /* X1 */
|
||||
y + tpd->cellHeight - 1, /* Y1 */
|
||||
x - 1 + XmbTextEscapement(termFontSet->fontSet,
|
||||
(char *) string, len), /* X2 */
|
||||
y + tpd->cellHeight - 1);/* Y2 */
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
(void) XwcDrawImageString(XtDisplay(w), /* Display */
|
||||
XtWindow(w), /* Drawable */
|
||||
termFontSet->fontSet, /* XFontSet */
|
||||
tpd->renderGC.gc, /* GC */
|
||||
x, /* x */
|
||||
y + termFontSet->ascent, /* y */
|
||||
(wchar_t *) string, /* string */
|
||||
len); /* length */
|
||||
|
||||
/* handle overstrike... */
|
||||
if (TermIS_OVERSTRIKE(flags)) {
|
||||
(void) XwcDrawString(XtDisplay(w), /* Display */
|
||||
XtWindow(w), /* Drawable */
|
||||
termFontSet->fontSet, /* XFontSet */
|
||||
tpd->renderGC.gc, /* GC */
|
||||
x + 1, /* x */
|
||||
y + termFontSet->ascent, /* y */
|
||||
(wchar_t *) string, /* string */
|
||||
len); /* length */
|
||||
}
|
||||
/* handle the underline enhancement... */
|
||||
/* draw the underline... */
|
||||
if (TermIS_UNDERLINE(flags)) {
|
||||
XDrawLine(XtDisplay(w), /* Display */
|
||||
XtWindow(w), /* Window */
|
||||
tpd->renderGC.gc, /* GC */
|
||||
x, /* X1 */
|
||||
y + tpd->cellHeight - 1, /* Y1 */
|
||||
x - 1 + XwcTextEscapement(termFontSet->fontSet,
|
||||
(wchar_t *) string, len), /* X2 */
|
||||
y + tpd->cellHeight - 1); /* Y2 */
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
FontSetDestroyFunction(
|
||||
Widget w,
|
||||
TermFont font
|
||||
)
|
||||
{
|
||||
(void) XtFree((char *) font->fontInfo);
|
||||
(void) XtFree((char *) font);
|
||||
}
|
||||
|
||||
static void
|
||||
FontSetExtentsFunction(
|
||||
Widget w,
|
||||
TermFont font,
|
||||
unsigned char *string,
|
||||
int len,
|
||||
int *widthReturn,
|
||||
int *heightReturn,
|
||||
int *ascentReturn
|
||||
)
|
||||
{
|
||||
TermFontSet termFontSet = (TermFontSet) font->fontInfo;
|
||||
|
||||
if (widthReturn) {
|
||||
*widthReturn = len * termFontSet->width;
|
||||
}
|
||||
if (heightReturn) {
|
||||
*heightReturn = termFontSet->height;
|
||||
}
|
||||
if (ascentReturn) {
|
||||
*ascentReturn = termFontSet->ascent;
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
TermFont
|
||||
_DtTermPrimRenderFontSetCreate(
|
||||
Widget w,
|
||||
XFontSet fontSet
|
||||
)
|
||||
{
|
||||
TermFont termFont;
|
||||
TermFontSet termFontSet;
|
||||
XFontSetExtents *fontSetExtents;
|
||||
|
||||
termFont = (TermFont) XtMalloc(sizeof(TermFontRec));
|
||||
termFont->renderFunction = FontSetRenderFunction;
|
||||
termFont->destroyFunction = FontSetDestroyFunction;
|
||||
termFont->extentsFunction = FontSetExtentsFunction;
|
||||
|
||||
termFontSet = (TermFontSet) XtMalloc(sizeof(TermFontSetRec));
|
||||
termFontSet->fontSet = fontSet;
|
||||
fontSetExtents = XExtentsOfFontSet(fontSet);
|
||||
termFontSet->width = fontSetExtents->max_logical_extent.width;
|
||||
termFontSet->height = fontSetExtents->max_logical_extent.height;
|
||||
termFontSet->ascent = -fontSetExtents->max_logical_extent.y;
|
||||
termFont->fontInfo = (XtPointer) termFontSet;
|
||||
|
||||
return(termFont);
|
||||
}
|
||||
Reference in New Issue
Block a user