jsorg71
20 years ago
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77943e08f9
commit
ceaa614dd0
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/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2004
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fonts
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*/
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/*
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The fv1 files contain
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Font File Header (just one)
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FNT1 4 bytes
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Font Name 32 bytes
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Font Size 2 bytes
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Font Style 2 bytes
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Pad 8 bytes
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Font Data (repeats)
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Width 2 bytes
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Height 2 bytes
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Baseline 2 bytes
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Offset 2 bytes
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Incby 2 bytes
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Pad 6 bytes
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Glyph Data var, see FONT_DATASIZE macro
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*/
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#include "xrdp.h"
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char w_char[] =
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{
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x08, 0x20, 0x80,
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0x08, 0x50, 0x80,
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0x04, 0x51, 0x00,
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0x04, 0x51, 0x00,
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0x04, 0x51, 0x00,
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0x02, 0x8a, 0x00,
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0x02, 0x8a, 0x00,
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0x02, 0x8a, 0x00,
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0x01, 0x04, 0x00,
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0x01, 0x04, 0x00,
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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0x00, 0x00, 0x00,
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};
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/*****************************************************************************/
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struct xrdp_font* xrdp_font_create(struct xrdp_wm* wm)
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{
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struct xrdp_font* self;
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struct stream* s;
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int fd;
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int b;
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int i;
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int index;
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int datasize;
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struct xrdp_font_item* f;
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self = (struct xrdp_font*)g_malloc(sizeof(struct xrdp_font), 1);
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self->wm = wm;
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make_stream(s);
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init_stream(s, 8192);
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// fd = g_file_open("Arial-10.fv1");
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fd = g_file_open("Tahoma-10.fv1");
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// fd = g_file_open("Serif-10.fv1");
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if (fd != -1)
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{
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b = g_file_read(fd, s->data, 8192);
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g_file_close(fd);
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if (b > 0)
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{
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s->end = s->data + b;
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in_uint8s(s, 4);
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in_uint8a(s, self->name, 32);
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in_uint16_le(s, self->size);
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in_uint16_le(s, self->style);
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in_uint8s(s, 8);
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//g_printf("%s %d %d %d\n", self->name, self->size, self->style, b);
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index = 32;
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while (!s_check_end(s))
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{
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f = self->font_items + index;
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in_sint16_le(s, i);
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f->width = i;
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in_sint16_le(s, i);
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f->height = i;
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in_sint16_le(s, i);
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f->baseline = i;
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in_sint16_le(s, i);
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f->offset = i;
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in_sint16_le(s, i);
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f->incby = i;
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in_uint8s(s, 6);
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datasize = FONT_DATASIZE(f);
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//g_printf("%d %d %d %d %d\n", f->width, f->height, datasize, f->baseline, f->offset);
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f->data = (char*)g_malloc(datasize, 0);
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in_uint8a(s, f->data, datasize);
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index++;
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}
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}
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}
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free_stream(s);
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/*
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self->font_items[0].offset = -4;
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self->font_items[0].baseline = -16;
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self->font_items[0].width = 24;
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self->font_items[0].height = 16;
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self->font_items[0].data = g_malloc(3 * 16, 0);
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g_memcpy(self->font_items[0].data, w_char, 3 * 16);
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*/
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return self;
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}
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/*****************************************************************************/
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/* free the font and all the items */
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void xrdp_font_delete(struct xrdp_font* self)
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{
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int i;
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if (self == 0)
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return;
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for (i = 0; i < 256; i++)
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g_free(self->font_items[i].data);
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g_free(self);
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}
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/*****************************************************************************/
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/* compare the two font items returns 1 if they match */
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int xrdp_font_item_compare(struct xrdp_font_item* font1,
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struct xrdp_font_item* font2)
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{
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int datasize;
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if (font1 == 0)
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return 0;
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if (font2 == 0)
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return 0;
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if (font1->offset != font2->offset)
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return 0;
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if (font1->baseline != font2->baseline)
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return 0;
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if (font1->width != font2->width)
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return 0;
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if (font1->height != font2->height)
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return 0;
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datasize = FONT_DATASIZE(font1);
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if (g_memcmp(font1->data, font2->data, datasize) == 0)
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return 1;
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return 0;
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}
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