graphics.h

   1
   2 /**
   3  *
   4  * Tennix! SDL Port
   5  * Copyright (C) 2003, 2007, 2008 Thomas Perl <thp@perli.net>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version 2
  10  * of the License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  20  * MA  02110-1301, USA.
  21  *
  22  **/
  23
  24 #ifndef __GRAPHICS_H
  25 #define __GRAPHICS_H
  26
  27 #include "tennix.h"
  28
  29 #include "SDL_image.h"
  30
  31 #define RECT_UPDATE_CACHE 150
  32
  33 #define FADE_DURATION 500
  34 #define BUTTON_HIGHLIGHT 0.4
  35 #define BUTTON_BORDER 2
  36
  37 #define GET_PIXEL_DATA(surface,x,y) (*((Uint32*)(surface->pixels + x * surface->format->BytesPerPixel + y * surface->pitch)))
  38
  39 #define GET_PIXEL_RGB(surface,x,y,r,g,b) (SDL_GetRGB( GET_PIXEL_DATA(surface,x,y), surface->format, r, g, b))
  40 #define SET_PIXEL_RGB(surface,x,y,r,g,b) (GET_PIXEL_DATA(surface,x,y)=SDL_MapRGB(surface->format, r, g, b))
  41
  42 typedef struct {
  43     SDL_Surface* data;
  44 } Image;
  45
  46 typedef unsigned int image_id;
  47 enum {
  48     GR_COURT = 0,
  49     GR_SHADOW,
  50     GR_RACKET,
  51     GR_BALL,
  52     GR_SMALLISH_FONT,
  53     GR_DKC2_FONT,
  54     GR_REFEREE,
  55     GR_CTT_HARD,
  56     GR_CTT_CLAY,
  57     GR_CTT_GRASS,
  58     GR_SIDEBAR,
  59     GR_TENNIXLOGO,
  60     GR_BTN_PLAY,
  61     GR_BTN_RESUME,
  62     GR_BTN_QUIT,
  63     GR_COUNT
  64 };
  65
  66 #define GRAPHICS_IS_FONT(id) ((id == GR_SMALLISH_FONT) || (id == GR_DKC2_FONT))
  67 #define GR_CTT_FIRST GR_CTT_HARD
  68 #define GR_CTT_LAST GR_CTT_GRASS
  69
  70 enum {
  71     ANIMATION_NONE = 0,
  72     ANIMATION_WAVE = 1,
  73     ANIMATION_BUNGEE = 2,
  74     ANIMATION_PENDULUM = 4,
  75     ANIMATION_COUNT = 8
  76 };
  77
  78 void init_graphics();
  79 void uninit_graphics();
  80 int get_image_width(image_id);
  81 int get_image_height(image_id);
  82 int get_sprite_width(image_id, int);
  83 void show_sprite(image_id, int, int, int, int, int);
  84 #define show_image(id, x_offset, y_offset, opacity) show_sprite(id, 0, 1, x_offset, y_offset, opacity)
  85 void line_horiz( int y, Uint8 r, Uint8 g, Uint8 b);
  86 void line_vert( int x, Uint8 r, Uint8 g, Uint8 b);
  87 void rectangle( int x, int y, int w, int h, Uint8 r, Uint8 g, Uint8 b);
  88 void fill_image(image_id id, int x, int y, int w, int h);
  89 void draw_button( int x, int y, int w, int h, Uint8 r, Uint8 g, Uint8 b, char pressed);
  90 void draw_button_text( char* s, int x, int y, int w, int h, Uint8 r, Uint8 g, Uint8 b, char pressed);
  91
  92 void clear_screen();
  93 void store_screen();
  94 void reset_screen();
  95
  96 void clearscr();
  97 void update_rect(Sint32 x, Sint32 y, Sint32 w, Sint32 h);
  98 #define update_rect2(r) (update_rect(r.x, r.y, r.w, r.h))
  99 void updatescr();
 100 void start_fade();
 101 int is_fading();
 102
 103 int font_get_metrics( image_id id, char ch, int* xp, int* wp);
 104 int font_draw_char( image_id id, char ch, int x_offset, int y_offset);
 105 void font_draw_string_alpha( image_id id, const char* s, int x_offset, int y_offset, int start, int animation, int opacity);
 106 #define font_draw_string(id,s,x_offset,y_offset,start,animation) font_draw_string_alpha(id,s,x_offset,y_offset,start,animation,255)
 107 int font_get_string_width( image_id id, const char* s);
 108
 109 void draw_line_faded( int x1, int y1, int x2, int y2, int r, int g, int b, int r2, int g2, int b2);
 110 #define draw_line(x1,y1,x2,y2,r,g,b) draw_line_faded(x1,y1,x2,y2,r,g,b,r,g,b)
 111
 112 #endif
 113