245 lines
6.0 KiB
C
245 lines
6.0 KiB
C
/*
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* Copyright (C) 2000-2007 Carsten Haitzler, Geoff Harrison and various contributors
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* Copyright (C) 2004-2021 Kim Woelders
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies of the Software, its documentation and marketing & publicity
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* materials, and acknowledgment shall be given in the documentation, materials
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* and software packages that this Software was used.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include "tclass.h"
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#if FONT_TYPE_IFT
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#include "E.h"
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#include "eimage.h"
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#include <Imlib2.h>
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/*
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* Imlib2/FreeType
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*/
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__EXPORT__ extern const FontOps FontOps_ift;
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typedef void EFont;
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static void
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EFonts_Init(void)
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{
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#if !TEST_TTFONT
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char s[4096];
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Esnprintf(s, sizeof(s), "%s/ttfonts", Mode.theme.path);
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imlib_add_path_to_font_path(s);
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Esnprintf(s, sizeof(s), "%s/fonts", EDirRoot());
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imlib_add_path_to_font_path(s);
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Esnprintf(s, sizeof(s), "%s/fonts", EDirUserConf());
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imlib_add_path_to_font_path(s);
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#endif
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}
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static EFont *
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Efont_load(const char *file, int size)
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{
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static char ttfont_path_set = 0;
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char s[4096];
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EFont *f;
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if (!ttfont_path_set)
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{
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EFonts_Init();
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ttfont_path_set = 1;
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}
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Esnprintf(s, sizeof(s), "%s/%d", file, size);
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f = imlib_load_font(s);
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return f;
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}
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static void
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Efont_free(EFont * f)
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{
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imlib_context_set_font(f);
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imlib_free_font();
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}
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static void
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Efont_extents(EFont * f, const char *text, int len __UNUSED__,
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int *width, int *height, int *ascent)
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{
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int h, asc, dsc;
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imlib_context_set_font(f);
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imlib_get_text_advance(text, width, &h);
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asc = imlib_get_font_ascent();
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dsc = imlib_get_font_descent();
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*height = asc + dsc;
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*ascent = asc;
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}
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static void
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EFont_draw_string(EImage * im, EFont * f, int x, int y,
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int r, int g, int b, const char *text)
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{
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imlib_context_set_image(im);
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imlib_context_set_color(r, g, b, 255);
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imlib_context_set_font(f);
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imlib_text_draw(x, y - imlib_get_maximum_font_ascent(), text);
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}
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typedef struct {
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EFont *font;
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EImage *im;
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int r, g, b;
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} FontCtxIft;
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static int
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_ift_Load(TextState * ts, const char *name __UNUSED__)
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{
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EFont *font;
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FontCtxIft *fdc;
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char s[1024], *ss;
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int len;
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ss = strchr(ts->fontname, '/');
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if (!ss)
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return -1;
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len = ss - ts->fontname;
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if (len > 1000)
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return -1;
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memcpy(s, ts->fontname, len);
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s[len] = '\0';
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font = Efont_load(s, atoi(ss + 1));
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if (!font)
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return -1;
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fdc = EMALLOC(FontCtxIft, 1);
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if (!fdc)
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return -1;
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fdc->font = font;
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ts->fdc = fdc;
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ts->need_utf8 = 1;
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ts->type = FONT_TYPE_IFT;
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ts->ops = &FontOps_ift;
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return 0;
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}
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static void
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_ift_Unload(TextState * ts)
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{
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FontCtxIft *fdc = (FontCtxIft *) ts->fdc;
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Efont_free(fdc->font);
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}
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static void
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_ift_TextSize(TextState * ts, const char *text, int len,
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int *width, int *height, int *ascent)
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{
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FontCtxIft *fdc = (FontCtxIft *) ts->fdc;
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Efont_extents(fdc->font, text, len, width, height, ascent);
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}
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static void
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_ift_TextDraw(TextState * ts, int x, int y, const char *text,
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int len __UNUSED__)
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{
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FontCtxIft *fdc = (FontCtxIft *) ts->fdc;
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EFont_draw_string(fdc->im, fdc->font, x, y, fdc->r, fdc->g, fdc->b, text);
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}
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static int
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_ift_FdcInit(TextState * ts __UNUSED__, Win win __UNUSED__,
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EX_Drawable draw __UNUSED__)
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{
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return 0;
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}
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static void
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_ift_FdcSetDrawable(TextState * ts, unsigned long draw)
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{
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FontCtxIft *fdc = (FontCtxIft *) ts->fdc;
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fdc->im = (EImage *) draw;
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}
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static void
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_ift_FdcSetColor(TextState * ts, unsigned int color)
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{
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FontCtxIft *fdc = (FontCtxIft *) ts->fdc;
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COLOR32_TO_RGB(color, fdc->r, fdc->g, fdc->b);
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}
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const FontOps FontOps_ift = {
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_ift_Load, _ift_Unload, _ift_TextSize, TextstateTextFit, _ift_TextDraw,
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_ift_FdcInit, NULL, _ift_FdcSetDrawable, _ift_FdcSetColor
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};
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#if TEST_TTFONT
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#include <time.h>
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Display *disp;
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int
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main(int argc, char **argv)
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{
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Efont *f;
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GC gc;
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XGCValues gcv;
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EX_Window win;
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int i, j;
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disp = XOpenDisplay(NULL);
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imlib_context_set_display(disp);
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imlib_context_set_visual(DefaultVisual(disp, DefaultScreen(disp)));
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imlib_context_set_colormap(DefaultColormap(disp, DefaultScreen(disp)));
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srand(time(NULL));
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win = XCreateSimpleWindow(disp, DefaultRootWindow(disp), 0, 0, 640, 480, 0,
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0, 0);
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XMapWindow(disp, win);
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XSync(disp, False);
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gcv.subwindow_mode = IncludeInferiors;
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gc = XCreateGC(disp, win, GCSubwindowMode, &gcv);
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for (;; j++)
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{
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for (i = 3; i < argc; i++)
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{
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XSetForeground(disp, gc, (rand() << 16 | rand()) & 0xffffff);
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f = Efont_load(argv[i], atoi(argv[1]));
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if (f)
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EFont_draw_string(win, gc, 20, atoi(argv[1]) * (i - 2),
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argv[2], f,
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DefaultVisual(disp, DefaultScreen(disp)),
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DefaultColormap(disp, DefaultScreen(disp)));
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Efont_free(f);
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f = NULL;
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}
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}
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return 0;
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}
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#endif
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#endif /* FONT_TYPE_IFT */
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