looking-glass/client/lg-font.h

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1.8 KiB
C

/*
Looking Glass - KVM FrameRelay (KVMFR) Client
Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
https://looking-glass.hostfission.com
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., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include <stdint.h>
typedef void * LG_FontObj;
typedef void * LG_FontOut;
typedef enum LG_FontMode
{
LG_FONT_BITMAP,
LG_FONT_OPENGL,
LG_FONT_VULKAN
}
LG_FontMode;
typedef struct LG_FontBitmap
{
void * reserved;
unsigned int width, height;
unsigned int bpp; // bytes per pixel
uint8_t * pixels;
}
LG_FontBitmap;
typedef bool (* LG_FontCreate )(LG_FontObj * opaque, const char * font_name, unsigned int size);
typedef void (* LG_FontDestroy )(LG_FontObj opaque);
typedef bool (* LG_FontSupports )(LG_FontObj opaque, LG_FontMode mode);
typedef LG_FontOut (* LG_FontRender )(LG_FontObj opaque, LG_FontMode mode, unsigned int fg_color, const char * text);
typedef void (* LG_FontRelease )(LG_FontObj opaque, LG_FontOut font);
typedef struct LG_Font
{
// mandatory support
const char * name;
LG_FontCreate create;
LG_FontDestroy destroy;
LG_FontSupports supports;
LG_FontRender render;
LG_FontRelease release;
}
LG_Font;