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| /*! |
| \file SDL_draw.c |
| \author Mario Palomo Torrero <mpalomo@ihman.com> |
| \author Jose M. de la Huerga Fernández |
| \author Pepe González Mora |
| \date 05-2002 |
| |
| Drawing primitives for SDL. Main implementation file. |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| This library 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, write to the Free Foundation, |
| Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include "SDL_draw.h" |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <wchar.h> /*wmemset*/ |
| |
| |
| /*==================== BEGIN of Draw_Pixel ======================*/ |
| |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_Pixel_1 |
| #include "Draw_Pixel.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_Pixel_2 |
| #include "Draw_Pixel.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_Pixel_3 |
| #include "Draw_Pixel.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_Pixel_4 |
| #include "Draw_Pixel.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_Pixel_error(SDL_Surface *super, |
| Sint16 x, Sint16 y, Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_Pixel ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| void (*Draw_Pixel)(SDL_Surface *super, |
| Sint16 x, Sint16 y, Uint32 color) = Draw_Pixel_error; |
| |
| /*===================== END of Draw_Pixel =======================*/ |
| |
| /*==================== BEGIN of Draw_Line ======================*/ |
| |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_Line_1 |
| #include "Draw_Line.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_Line_2 |
| #include "Draw_Line.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_Line_3 |
| #include "Draw_Line.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_Line_4 |
| #include "Draw_Line.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_Line_error(SDL_Surface *super, |
| Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, |
| Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_Line ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| void (*Draw_Line)(SDL_Surface *super, |
| Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, |
| Uint32 color) = Draw_Line_error; |
| |
| /*===================== END of Draw_Line =======================*/ |
| |
| /*=================== BEGIN of Draw_Circle =====================*/ |
| |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_Circle_1 |
| #include "Draw_Circle.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_Circle_2 |
| #include "Draw_Circle.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_Circle_3 |
| #include "Draw_Circle.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_Circle_4 |
| #include "Draw_Circle.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_Circle_error(SDL_Surface *super, |
| Sint16 x0, Sint16 y0, Uint16 r, |
| Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_Circle ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| |
| void (*Draw_Circle)(SDL_Surface *super, |
| Sint16 x0, Sint16 y0, Uint16 r, |
| Uint32 color) = Draw_Circle_error; |
| |
| /*==================== END of Draw_Circle ======================*/ |
| |
| /*================= BEGIN of Draw_FillCircle ===================*/ |
| |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_FillCircle_1 |
| #include "Draw_FillCircle.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_FillCircle_2 |
| #include "Draw_FillCircle.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_FillCircle_3 |
| #include "Draw_FillCircle.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_FillCircle_4 |
| #include "Draw_FillCircle.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_FillCircle_error(SDL_Surface *super, |
| Sint16 x0, Sint16 y0, Uint16 r, |
| Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_FillCircle ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| |
| void (*Draw_FillCircle)(SDL_Surface *super, |
| Sint16 x0, Sint16 y0, Uint16 r, |
| Uint32 color) = Draw_FillCircle_error; |
| |
| /*================== END of Draw_FillCircle ====================*/ |
| |
| /*=================== BEGIN of Draw_HLine =====================*/ |
| |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_HLine_1 |
| #include "Draw_HLine.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_HLine_2 |
| #include "Draw_HLine.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_HLine_3 |
| #include "Draw_HLine.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_HLine_4 |
| #include "Draw_HLine.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_HLine_error(SDL_Surface *super, |
| Sint16 x0,Sint16 y0, Sint16 x1, |
| Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_HLine ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| void (*Draw_HLine)(SDL_Surface *super, |
| Sint16 x0,Sint16 y0, Sint16 x1, |
| Uint32 color) = Draw_HLine_error; |
| |
| /*==================== END of Draw_HLine ======================*/ |
| |
| /*=================== BEGIN of Draw_VLine =====================*/ |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_VLine_1 |
| #include "Draw_VLine.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_VLine_2 |
| #include "Draw_VLine.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_VLine_3 |
| #include "Draw_VLine.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_VLine_4 |
| #include "Draw_VLine.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_VLine_error(SDL_Surface *super, |
| Sint16 x0,Sint16 y0, Sint16 y1, |
| Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_VLine ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| |
| void (*Draw_VLine)(SDL_Surface *super, |
| Sint16 x0,Sint16 y0, Sint16 y1, |
| Uint32 color) = Draw_VLine_error; |
| |
| /*==================== END of Draw_VLine ======================*/ |
| |
| /*==================== BEGIN of Draw_Rect ======================*/ |
| |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_Rect_1 |
| #include "Draw_Rect.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_Rect_2 |
| #include "Draw_Rect.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_Rect_3 |
| #include "Draw_Rect.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_Rect_4 |
| #include "Draw_Rect.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_Rect_error(SDL_Surface *super, |
| Sint16 x,Sint16 y, Uint16 w,Uint16 h, |
| Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_Rect ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| void (*Draw_Rect)(SDL_Surface *super, |
| Sint16 x,Sint16 y, Uint16 w,Uint16 h, |
| Uint32 color) = Draw_Rect_error; |
| |
| /*===================== END of Draw_Rect =======================*/ |
| |
| /*=================== BEGIN of Draw_Ellipse ====================*/ |
| |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_Ellipse_1 |
| #include "Draw_Ellipse.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_Ellipse_2 |
| #include "Draw_Ellipse.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_Ellipse_3 |
| #include "Draw_Ellipse.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_Ellipse_4 |
| #include "Draw_Ellipse.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_Ellipse_error(SDL_Surface *super, |
| Sint16 x0, Sint16 y0, |
| Uint16 Xradius, Uint16 Yradius, |
| Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_Ellipse ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| |
| void (*Draw_Ellipse)(SDL_Surface *super, |
| Sint16 x0, Sint16 y0, |
| Uint16 Xradius, Uint16 Yradius, |
| Uint32 color) = Draw_Ellipse_error; |
| |
| /*==================== END of Draw_Ellipse =====================*/ |
| |
| /*================= BEGIN of Draw_FillEllipse ==================*/ |
| |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_FillEllipse_1 |
| #include "Draw_FillEllipse.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_FillEllipse_2 |
| #include "Draw_FillEllipse.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_FillEllipse_3 |
| #include "Draw_FillEllipse.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_FillEllipse_4 |
| #include "Draw_FillEllipse.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_FillEllipse_error(SDL_Surface *super, |
| Sint16 x0, Sint16 y0, |
| Uint16 Xradius, Uint16 Yradius, |
| Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_FillEllipse ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| |
| void (*Draw_FillEllipse)(SDL_Surface *super, |
| Sint16 x0, Sint16 y0, |
| Uint16 Xradius, Uint16 Yradius, |
| Uint32 color) = Draw_FillEllipse_error; |
| |
| /*================== END of Draw_FillEllipse ===================*/ |
| |
| /*==================== BEGIN of Draw_Round =====================*/ |
| |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_Round_1 |
| #include "Draw_Round.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_Round_2 |
| #include "Draw_Round.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_Round_3 |
| #include "Draw_Round.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_Round_4 |
| #include "Draw_Round.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_Round_error(SDL_Surface *super, |
| Sint16 x0,Sint16 y0, Uint16 w,Uint16 h, |
| Uint16 corner, Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_Round ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| void (*Draw_Round)(SDL_Surface *super, |
| Sint16 x0,Sint16 y0, Uint16 w,Uint16 h, |
| Uint16 corner, Uint32 color) = Draw_Round_error; |
| |
| /*===================== END of Draw_Round ======================*/ |
| |
| /*================== BEGIN of Draw_FillRound ===================*/ |
| |
| #define SDL_DRAW_BPP 1 |
| #define SDL_DRAWFUNCTION Draw_FillRound_1 |
| #include "Draw_FillRound.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 2 |
| #define SDL_DRAWFUNCTION Draw_FillRound_2 |
| #include "Draw_FillRound.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 3 |
| #define SDL_DRAWFUNCTION Draw_FillRound_3 |
| #include "Draw_FillRound.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| #define SDL_DRAW_BPP 4 |
| #define SDL_DRAWFUNCTION Draw_FillRound_4 |
| #include "Draw_FillRound.c" |
| #undef SDL_DRAWFUNCTION |
| #undef SDL_DRAW_BPP |
| |
| static |
| void Draw_FillRound_error(SDL_Surface *super, |
| Sint16 x0,Sint16 y0, Uint16 w,Uint16 h, |
| Uint16 corner, Uint32 color) |
| { |
| SDL_printf("SDL_draw: Draw_FillRound ERROR!!." |
| " Have you call to SDL_Draw_Init()?\n"); |
| exit(-1); |
| } |
| |
| void (*Draw_FillRound)(SDL_Surface *super, |
| Sint16 x0,Sint16 y0, Uint16 w,Uint16 h, |
| Uint16 corner, Uint32 color) = Draw_FillRound_error; |
| |
| /*=================== END of Draw_FillRound ====================*/ |
| |
| |
| /*Assignment of function pointers:*/ |
| #define SDL_DRAW_FUNCTIONS_BPP(x) \ |
| Draw_Pixel = Draw_Pixel_##x; \ |
| Draw_Line = Draw_Line_##x; \ |
| Draw_Circle = Draw_Circle_##x; \ |
| Draw_FillCircle = Draw_FillCircle_##x; \ |
| Draw_HLine = Draw_HLine_##x; \ |
| Draw_VLine = Draw_VLine_##x; \ |
| Draw_Rect = Draw_Rect_##x; \ |
| Draw_Ellipse = Draw_Ellipse_##x; \ |
| Draw_FillEllipse = Draw_FillEllipse_##x; \ |
| Draw_Round = Draw_Round_##x; \ |
| Draw_FillRound = Draw_FillRound_##x |
| |
| /*IMPORTANT: Call this function AFTER the call to 'SDL_SetVideoMode'*/ |
| void Draw_Init(void) |
| { |
| SDL_Surface *screen = SDL_GetVideoSurface(); |
| if (!screen) { |
| SDL_printf("SDL_draw: SDL_Draw_Init ERROR!!." |
| " Video Surface not found\n"); |
| exit(-2); |
| } |
| |
| |
| switch(screen->format->BytesPerPixel) { |
| case 1: |
| SDL_DRAW_FUNCTIONS_BPP(1); |
| break; |
| |
| case 2: |
| SDL_DRAW_FUNCTIONS_BPP(2); |
| break; |
| |
| case 3: |
| SDL_DRAW_FUNCTIONS_BPP(3); |
| break; |
| |
| case 4: |
| SDL_DRAW_FUNCTIONS_BPP(4); |
| break; |
| }/*switch*/ |
| |
| }/*Draw_Init*/ |
| |
| #undef SDL_DRAW_FUNCTIONS_BPP |
| |