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-rw-r--r--xrdp/xrdp_font.c167
1 files changed, 167 insertions, 0 deletions
diff --git a/xrdp/xrdp_font.c b/xrdp/xrdp_font.c
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+++ b/xrdp/xrdp_font.c
@@ -0,0 +1,167 @@
+
+/*
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ xrdp: A Remote Desktop Protocol server.
+ Copyright (C) Jay Sorg 2004
+
+ fonts
+
+*/
+/*
+ The fv1 files contain
+ Font File Header (just one)
+ FNT1 4 bytes
+ Font Name 32 bytes
+ Font Size 2 bytes
+ Font Style 2 bytes
+ Pad 8 bytes
+ Font Data (repeats)
+ Width 2 bytes
+ Height 2 bytes
+ Baseline 2 bytes
+ Offset 2 bytes
+ Incby 2 bytes
+ Pad 6 bytes
+ Glyph Data var, see FONT_DATASIZE macro
+*/
+
+#include "xrdp.h"
+
+char w_char[] =
+{
+ 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00,
+ 0x08, 0x20, 0x80,
+ 0x08, 0x50, 0x80,
+ 0x04, 0x51, 0x00,
+ 0x04, 0x51, 0x00,
+ 0x04, 0x51, 0x00,
+ 0x02, 0x8a, 0x00,
+ 0x02, 0x8a, 0x00,
+ 0x02, 0x8a, 0x00,
+ 0x01, 0x04, 0x00,
+ 0x01, 0x04, 0x00,
+ 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00,
+};
+
+
+/*****************************************************************************/
+struct xrdp_font* xrdp_font_create(struct xrdp_wm* wm)
+{
+ struct xrdp_font* self;
+ struct stream* s;
+ int fd;
+ int b;
+ int i;
+ int index;
+ int datasize;
+ struct xrdp_font_item* f;
+
+ self = (struct xrdp_font*)g_malloc(sizeof(struct xrdp_font), 1);
+ self->wm = wm;
+ make_stream(s);
+ init_stream(s, 8192);
+// fd = g_file_open("Arial-10.fv1");
+ fd = g_file_open("Tahoma-10.fv1");
+// fd = g_file_open("Serif-10.fv1");
+ if (fd != -1)
+ {
+ b = g_file_read(fd, s->data, 8192);
+ g_file_close(fd);
+ if (b > 0)
+ {
+ s->end = s->data + b;
+ in_uint8s(s, 4);
+ in_uint8a(s, self->name, 32);
+ in_uint16_le(s, self->size);
+ in_uint16_le(s, self->style);
+ in_uint8s(s, 8);
+ //g_printf("%s %d %d %d\n", self->name, self->size, self->style, b);
+ index = 32;
+ while (!s_check_end(s))
+ {
+ f = self->font_items + index;
+ in_sint16_le(s, i);
+ f->width = i;
+ in_sint16_le(s, i);
+ f->height = i;
+ in_sint16_le(s, i);
+ f->baseline = i;
+ in_sint16_le(s, i);
+ f->offset = i;
+ in_sint16_le(s, i);
+ f->incby = i;
+ in_uint8s(s, 6);
+ datasize = FONT_DATASIZE(f);
+ //g_printf("%d %d %d %d %d\n", f->width, f->height, datasize, f->baseline, f->offset);
+ f->data = (char*)g_malloc(datasize, 0);
+ in_uint8a(s, f->data, datasize);
+ index++;
+ }
+ }
+ }
+ free_stream(s);
+/*
+ self->font_items[0].offset = -4;
+ self->font_items[0].baseline = -16;
+ self->font_items[0].width = 24;
+ self->font_items[0].height = 16;
+ self->font_items[0].data = g_malloc(3 * 16, 0);
+ g_memcpy(self->font_items[0].data, w_char, 3 * 16);
+*/
+ return self;
+}
+
+/*****************************************************************************/
+/* free the font and all the items */
+void xrdp_font_delete(struct xrdp_font* self)
+{
+ int i;
+
+ if (self == 0)
+ return;
+ for (i = 0; i < 256; i++)
+ g_free(self->font_items[i].data);
+ g_free(self);
+}
+
+/*****************************************************************************/
+/* compare the two font items returns 1 if they match */
+int xrdp_font_item_compare(struct xrdp_font_item* font1,
+ struct xrdp_font_item* font2)
+{
+ int datasize;
+
+ if (font1 == 0)
+ return 0;
+ if (font2 == 0)
+ return 0;
+ if (font1->offset != font2->offset)
+ return 0;
+ if (font1->baseline != font2->baseline)
+ return 0;
+ if (font1->width != font2->width)
+ return 0;
+ if (font1->height != font2->height)
+ return 0;
+ datasize = FONT_DATASIZE(font1);
+ if (g_memcmp(font1->data, font2->data, datasize) == 0)
+ return 1;
+ return 0;
+}