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wmaker/WINGs/wfont.c
dan 0c09179f01 - Removed support for legacy systems: OpenLook, KDE-2.x, Gnome-1.x
- Removed #define and #ifdef XFT constructs, as XFT is on all the time
2004-10-14 23:05:20 +00:00

383 lines
8.0 KiB
C

#include "wconfig.h"
#include <X11/Xft/Xft.h>
#include <fontconfig/fontconfig.h>
#include <stdlib.h>
#include "WINGsP.h"
#include <wraster.h>
#include <assert.h>
#include <X11/Xlocale.h>
#define DEFAULT_SIZE WINGsConfiguration.defaultFontSize
static char*
fixXLFD(char *xlfd, int size)
{
char *fname, *ptr;
fname = wmalloc(strlen(xlfd) + 20);
if (strstr(xlfd, "%d")!=NULL)
sprintf(fname, xlfd, size ? size : DEFAULT_SIZE);
else
strcpy(fname, xlfd);
if ((ptr = strchr(fname, ','))) {
*ptr = 0;
}
return fname;
}
static Bool
hasProperty(FcPattern *pattern, const char *property)
{
FcValue val;
if (FcPatternGet(pattern, property, 0, &val)==FcResultMatch) {
return True;
}
return False;
}
static Bool
hasPropertyWithStringValue(FcPattern *pattern, const char *object, char *value)
{
FcChar8 *str;
int id;
if (!value || value[0]==0)
return True;
id = 0;
while (FcPatternGetString(pattern, object, id, &str)==FcResultMatch) {
if (strcasecmp(value, (char*)str) == 0) {
return True;
}
id++;
}
return False;
}
// also handle an xlfd with %d for size?
static char*
makeFontOfSize(char *font, int size, char *fallback)
{
FcPattern *pattern;
char *result;
if (font[0]=='-') {
char *fname;
fname = fixXLFD(font, size);
pattern = XftXlfdParse(fname, False, False);
wfree(fname);
} else {
pattern = FcNameParse(font);
}
//FcPatternPrint(pattern);
if (size > 0) {
FcPatternDel(pattern, FC_PIXEL_SIZE);
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)size);
} else if (size==0 && !hasProperty(pattern, "size") &&
!hasProperty(pattern, FC_PIXEL_SIZE)) {
FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)DEFAULT_SIZE);
}
if (fallback && !hasPropertyWithStringValue(pattern, FC_FAMILY, fallback)) {
FcPatternAddString(pattern, FC_FAMILY, fallback);
}
result = FcNameUnparse(pattern);
FcPatternDestroy(pattern);
return result;
}
WMFont*
WMCreateFont(WMScreen *scrPtr, char *fontName)
{
WMFont *font;
Display *display = scrPtr->display;
char *fname, *ptr;
/* This is for back-compat (to allow reading of old xlfd descriptions) */
if (fontName[0]=='-' && (ptr = strchr(fontName, ','))) {
// warn for deprecation
fname = wmalloc(ptr - fontName + 1);
strncpy(fname, fontName, ptr - fontName);
fname[ptr - fontName] = 0;
} else {
fname = wstrdup(fontName);
}
font = WMHashGet(scrPtr->fontCache, fname);
if (font) {
WMRetainFont(font);
wfree(fname);
return font;
}
font = wmalloc(sizeof(WMFont));
memset(font, 0, sizeof(WMFont));
font->screen = scrPtr;
if (fname[0] == '-') {
// Backward compat thing. Remove in a later version
font->font = XftFontOpenXlfd(display, scrPtr->screen, fname);
} else {
font->font = XftFontOpenName(display, scrPtr->screen, fname);
}
if (!font->font) {
wfree(font);
wfree(fname);
return NULL;
}
font->height = font->font->ascent+font->font->descent;
font->y = font->font->ascent;
font->refCount = 1;
font->name = fname;
assert(WMHashInsert(scrPtr->fontCache, font->name, font)==NULL);
return font;
}
WMFont*
WMRetainFont(WMFont *font)
{
wassertrv(font!=NULL, NULL);
font->refCount++;
return font;
}
void
WMReleaseFont(WMFont *font)
{
wassertr(font!=NULL);
font->refCount--;
if (font->refCount < 1) {
XftFontClose(font->screen->display, font->font);
if (font->name) {
WMHashRemove(font->screen->fontCache, font->name);
wfree(font->name);
}
wfree(font);
}
}
Bool
WMIsAntialiasingEnabled(WMScreen *scrPtr)
{
return scrPtr->antialiasedText;
}
unsigned int
WMFontHeight(WMFont *font)
{
wassertrv(font!=NULL, 0);
return font->height;
}
char*
WMGetFontName(WMFont *font)
{
wassertrv(font!=NULL, NULL);
return font->name;
}
WMFont*
WMDefaultSystemFont(WMScreen *scrPtr)
{
return WMRetainFont(scrPtr->normalFont);
}
WMFont*
WMDefaultBoldSystemFont(WMScreen *scrPtr)
{
return WMRetainFont(scrPtr->boldFont);
}
WMFont*
WMSystemFontOfSize(WMScreen *scrPtr, int size)
{
WMFont *font;
char *fontSpec;
fontSpec = makeFontOfSize(WINGsConfiguration.systemFont, size, "sans");
font = WMCreateFont(scrPtr, fontSpec);
if (!font) {
wwarning(_("could not load font %s."), fontSpec);
}
wfree(fontSpec);
return font;
}
WMFont*
WMBoldSystemFontOfSize(WMScreen *scrPtr, int size)
{
WMFont *font;
char *fontSpec;
fontSpec = makeFontOfSize(WINGsConfiguration.boldSystemFont, size, "sans");
font = WMCreateFont(scrPtr, fontSpec);
if (!font) {
wwarning(_("could not load font %s."), fontSpec);
}
wfree(fontSpec);
return font;
}
int
WMWidthOfString(WMFont *font, char *text, int length)
{
XGlyphInfo extents;
wassertrv(font!=NULL && text!=NULL, 0);
XftTextExtentsUtf8(font->screen->display, font->font,
(XftChar8 *)text, length, &extents);
return extents.xOff; /* don't ask :P */
}
void
WMDrawString(WMScreen *scr, Drawable d, WMColor *color, WMFont *font,
int x, int y, char *text, int length)
{
XftColor xftcolor;
wassertr(font!=NULL);
xftcolor.color.red = color->color.red;
xftcolor.color.green = color->color.green;
xftcolor.color.blue = color->color.blue;
xftcolor.color.alpha = color->alpha;;
xftcolor.pixel = W_PIXEL(color);
XftDrawChange(scr->xftdraw, d);
XftDrawStringUtf8(scr->xftdraw, &xftcolor, font->font,
x, y + font->y, (XftChar8*)text, length);
}
void
WMDrawImageString(WMScreen *scr, Drawable d, WMColor *color, WMColor *background,
WMFont *font, int x, int y, char *text, int length)
{
XftColor textColor;
XftColor bgColor;
wassertr(font!=NULL);
textColor.color.red = color->color.red;
textColor.color.green = color->color.green;
textColor.color.blue = color->color.blue;
textColor.color.alpha = color->alpha;;
textColor.pixel = W_PIXEL(color);
bgColor.color.red = background->color.red;
bgColor.color.green = background->color.green;
bgColor.color.blue = background->color.blue;
bgColor.color.alpha = background->alpha;;
bgColor.pixel = W_PIXEL(background);
XftDrawChange(scr->xftdraw, d);
XftDrawRect(scr->xftdraw, &bgColor, x, y,
WMWidthOfString(font, text, length),
font->height);
XftDrawStringUtf8(scr->xftdraw, &textColor, font->font,
x, y + font->y, (XftChar8*)text, length);
}
WMFont*
WMCopyFontWithStyle(WMScreen *scrPtr, WMFont *font, WMFontStyle style)
{
FcPattern *pattern;
WMFont *copy;
char *name;
if (!font)
return NULL;
pattern = FcNameParse(WMGetFontName(font));
switch (style) {
case WFSNormal:
FcPatternDel(pattern, FC_WEIGHT);
FcPatternDel(pattern, FC_SLANT);
FcPatternAddString(pattern, FC_WEIGHT, "regular");
FcPatternAddString(pattern, FC_WEIGHT, "medium");
FcPatternAddString(pattern, FC_SLANT, "roman");
break;
case WFSBold:
FcPatternDel(pattern, FC_WEIGHT);
FcPatternAddString(pattern, FC_WEIGHT, "bold");
break;
case WFSEmphasized:
FcPatternDel(pattern, FC_SLANT);
FcPatternAddString(pattern, FC_SLANT, "italic");
FcPatternAddString(pattern, FC_SLANT, "oblique");
break;
case WFSBoldEmphasized:
FcPatternDel(pattern, FC_WEIGHT);
FcPatternDel(pattern, FC_SLANT);
FcPatternAddString(pattern, FC_WEIGHT, "bold");
FcPatternAddString(pattern, FC_SLANT, "italic");
FcPatternAddString(pattern, FC_SLANT, "oblique");
break;
}
name = FcNameUnparse(pattern);
copy = WMCreateFont(scrPtr, name);
FcPatternDestroy(pattern);
wfree(name);
return copy;
}