119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
#include <stdlib.h>
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#include <X11/Xft/Xft.h>
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#include "../kernel/openbox.h"
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#include "font.h"
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#include "../src/gettext.h"
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#define _(str) gettext(str)
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void font_startup(void)
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{
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#ifdef DEBUG
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int version;
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#endif /* DEBUG */
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if (!XftInit(0)) {
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g_warning(_("Couldn't initialize Xft.\n\n"));
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exit(3);
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}
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#ifdef DEBUG
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version = XftGetVersion();
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g_message("Using Xft %d.%d.%d (Built against %d.%d.%d).\n",
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version / 10000 % 100, version / 100 % 100, version % 100,
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XFT_MAJOR, XFT_MINOR, XFT_REVISION);
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#endif
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}
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static void measure_height(ObFont *f)
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{
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XGlyphInfo info;
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char *str;
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/* XXX add some extended UTF8 characters in here? */
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str = "12345678900-qwertyuiopasdfghjklzxcvbnm"
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"!@#$%^&*()_+QWERTYUIOPASDFGHJKLZXCVBNM"
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"`~[]\\;',./{}|:\"<>?";
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XftTextExtentsUtf8(ob_display, f->xftfont,
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(FcChar8*)str, strlen(str), &info);
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g_message("measured: %d", info.height);
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f->height = (signed) info.height;
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}
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ObFont *font_open(char *fontstring)
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{
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ObFont *out;
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XftFont *xf;
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if ((xf = XftFontOpenName(ob_display, ob_screen, fontstring))) {
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out = malloc(sizeof(ObFont));
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out->xftfont = xf;
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measure_height(out);
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return out;
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}
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g_warning(_("Unable to load font: %s\n"), fontstring);
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g_warning(_("Trying fallback font: %s\n"), "fixed");
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if ((xf = XftFontOpenName(ob_display, ob_screen, "fixed"))) {
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out = malloc(sizeof(ObFont));
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out->xftfont = xf;
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measure_height(out);
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return out;
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}
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g_warning(_("Unable to load font: %s\n"), "fixed");
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g_warning(_("Aborting!.\n"));
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exit(3); // can't continue without a font
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}
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void font_close(ObFont *f)
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{
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XftFontClose(ob_display, f->xftfont);
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}
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int font_measure_string(ObFont *f, const char *str, int shadow, int offset)
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{
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XGlyphInfo info;
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XftTextExtentsUtf8(ob_display, f->xftfont,
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(FcChar8*)str, strlen(str), &info);
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return (signed) info.xOff + (shadow ? offset : 0);
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}
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int font_height(ObFont *f, int shadow, int offset)
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{
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return f->height + (shadow ? offset : 0);
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}
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int font_max_char_width(ObFont *f)
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{
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return (signed) f->xftfont->max_advance_width;
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}
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void font_draw(XftDraw *d, TextureText *t)
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{
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int x = 0, y = 0;
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XftColor c;
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if (t->shadow) {
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c.color.red = 0;
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c.color.green = 0;
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c.color.blue = 0;
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c.color.alpha = t->tint | t->tint << 8; // transparent shadow
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c.pixel = BlackPixel(ob_display, ob_screen);
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XftDrawStringUtf8(d, &c, t->font->xftfont, x + t->offset,
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t->font->xftfont->ascent + y + t->offset,
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(FcChar8*)t->string, strlen(t->string));
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}
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c.color.red = t->color->r | t->color->r << 8;
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c.color.green = t->color->g | t->color->g << 8;
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c.color.blue = t->color->b | t->color->b << 8;
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c.pixel = t->color->pixel;
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c.color.alpha = 0xff | 0xff << 8; // no transparency in Color yet
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XftDrawStringUtf8(d, &c, t->font->xftfont, x,
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t->font->xftfont->ascent + y -
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(t->font->xftfont->height - t->font->height) / 2,
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(FcChar8*)t->string, strlen(t->string));
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return;
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}
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