Reorganized source code and directory tree.

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1375 416bcca6-2ee7-4201-b75f-2eb2f807beb1

src/sdlscreen.h

@@ -0,0 +1,68 @@
+/* vim:expandtab:ts=2 sw=2:
+*/
+/*  Grafx2 - The Ultimate 256-color bitmap paint program
+
+    Copyright 2008 Yves Rizoud
+    Copyright 2007 Adrien Destugues
+    Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
+
+    Grafx2 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; version 2
+    of the License.
+
+    Grafx2 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 Grafx2; if not, see <http://www.gnu.org/licenses/>
+*/
+
+//////////////////////////////////////////////////////////////////////////////
+///@file sdlscreen.h
+/// Screen update (refresh) system, and some SDL-specific graphic functions.
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef SDLSCREEN_H_INCLUDED
+#define SDLSCREEN_H_INCLUDED
+
+#include <SDL.h>
+#include "struct.h"
+
+///
+/// This is the number of bytes in a video line for the current mode.
+/// On many platforms it will be the video mode's width (in pixels), rounded up
+/// to be a multiple of 4.
+#define VIDEO_LINE_WIDTH (Screen_SDL->pitch)
+
+void Set_mode_SDL(int *,int *,int);
+
+SDL_Rect ** List_SDL_video_modes;
+byte* Screen_pixels;
+
+void Update_rect(short x, short y, unsigned short width, unsigned short height);
+void Flush_update(void);
+///
+/// Converts a SDL_Surface (indexed colors or RGB) into an array of bytes
+/// (indexed colors).
+/// If dest is NULL, it's allocated by malloc(). Otherwise, be sure to
+/// pass a buffer of the right dimensions.
+byte * Surface_to_bytefield(SDL_Surface *source, byte * dest);
+/// Gets the RGB 24-bit color currently associated with a palette index.
+SDL_Color Color_to_SDL_color(byte);
+/// Reads a pixel in a 8-bit SDL surface.
+byte Get_SDL_pixel_8(SDL_Surface *bmp, int x, int y);
+/// Reads a pixel in a multi-byte SDL surface.
+dword Get_SDL_pixel_hicolor(SDL_Surface *bmp, int x, int y);
+/// Convert a SDL Palette to a grafx2 palette
+void Get_SDL_Palette(const SDL_Palette * sdl_palette, T_Palette palette);
+
+///
+/// Clears the parts of screen that are outside of the editing area.
+/// There is such area only if the screen mode is not a multiple of the pixel
+/// size, eg: 3x3 pixels in 1024x768 leaves 1 column on the right, 0 rows on bottom.
+void Clear_border(byte color);
+  
+#endif // SDLSCREEN_H_INCLUDED