79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
/* vim:expandtab:ts=2 sw=2:
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*/
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/* Grafx2 - The Ultimate 256-color bitmap paint program
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Copyright 2008 Yves Rizoud
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Copyright 2007 Adrien Destugues
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Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
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Grafx2 is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2
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of the License.
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Grafx2 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 Grafx2; if not, see <http://www.gnu.org/licenses/>
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*/
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//////////////////////////////////////////////////////////////////////////////
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///@file sdlscreen.h
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/// Screen update (refresh) system, and some SDL-specific graphic functions.
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//////////////////////////////////////////////////////////////////////////////
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#ifndef SDLSCREEN_H_INCLUDED
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#define SDLSCREEN_H_INCLUDED
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#include <SDL.h>
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#include "struct.h"
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#include "global.h"
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///
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/// This is the number of bytes in a video line for the current mode.
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/// On many platforms it will be the video mode's width (in pixels), rounded up
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/// to be a multiple of 4.
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#define VIDEO_LINE_WIDTH (Screen_SDL->pitch)
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void Set_mode_SDL(int *,int *,int);
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GFX2_GLOBAL SDL_Rect ** List_SDL_video_modes;
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GFX2_GLOBAL byte* Screen_pixels;
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void Update_rect(short x, short y, unsigned short width, unsigned short height);
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void Flush_update(void);
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void Update_status_line(short char_pos, short width);
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///
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/// Converts a SDL_Surface (indexed colors or RGB) into an array of bytes
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/// (indexed colors).
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/// If dest is NULL, it's allocated by malloc(). Otherwise, be sure to
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/// pass a buffer of the right dimensions.
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byte * Surface_to_bytefield(SDL_Surface *source, byte * dest);
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/// Gets the RGB 24-bit color currently associated with a palette index.
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SDL_Color Color_to_SDL_color(byte);
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/// Reads a pixel in a 8-bit SDL surface.
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byte Get_SDL_pixel_8(SDL_Surface *bmp, int x, int y);
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/// Reads a pixel in a multi-byte SDL surface.
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dword Get_SDL_pixel_hicolor(SDL_Surface *bmp, int x, int y);
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/// Writes a pixel in a 8-bit SDL surface.
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void Set_SDL_pixel_8(SDL_Surface *bmp, int x, int y, byte color);
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/// Convert a SDL Palette to a grafx2 palette
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void Get_SDL_Palette(const SDL_Palette * sdl_palette, T_Palette palette);
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///
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/// Clears the parts of screen that are outside of the editing area.
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/// There is such area only if the screen mode is not a multiple of the pixel
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/// size, eg: 3x3 pixels in 1024x768 leaves 1 column on the right, 0 rows on bottom.
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void Clear_border(byte color);
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extern volatile int Allow_colorcycling;
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/// Activates or desactivates file drag-dropping in program window.
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void Allow_drag_and_drop(int flag);
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#endif // SDLSCREEN_H_INCLUDED
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