RetroArch/gfx/font_driver.h

/*  RetroArch - A frontend for libretro.
 *  Copyright (C) 2010-2014 - Hans-Kristian Arntzen
 *  Copyright (C) 2011-2015 - Daniel De Matteis
 * 
 *  RetroArch 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 Found-
 *  ation, either version 3 of the License, or (at your option) any later version.
 *
 *  RetroArch 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 RetroArch.
 *  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __FONT_DRIVER_H__
#define __FONT_DRIVER_H__

#include <stdint.h>
#include <boolean.h>
#include "../driver.h"

#ifdef __cplusplus
extern "C" {
#endif

enum font_driver_render_api
{
   FONT_DRIVER_RENDER_DONT_CARE,
   FONT_DRIVER_RENDER_OPENGL_API,
   FONT_DRIVER_RENDER_DIRECT3D_API,
   FONT_DRIVER_RENDER_VITA2D
};

enum text_alignment
{
   TEXT_ALIGN_LEFT = 0,
   TEXT_ALIGN_RIGHT,
   TEXT_ALIGN_CENTER
};

struct font_params
{
   float x;
   float y;
   float scale;
   /* Drop shadow color multiplier. */
   float drop_mod;
   /* Drop shadow offset.
    * If both are 0, no drop shadow will be rendered. */
   int drop_x, drop_y;
   /* ABGR. Use the macros. */
   uint32_t color;
   bool full_screen;
   enum text_alignment text_align;
};

bool font_init_first(
      const void **font_driver, void **font_handle,
      void *video_data, const char *font_path, float font_size,
      enum font_driver_render_api api);

bool font_driver_has_render_msg(void);

void font_driver_render_msg(void *data, const char *msg, const struct font_params *params);

void font_driver_bind_block(void *block);

void font_driver_free(void *data);

bool font_driver_init_first(const void **font_driver, void *font_handle,
      void *data, const char *font_path, float font_size,
      bool threading_hint, enum font_driver_render_api api);

#ifdef __cplusplus
}
#endif

#endif