graphics.h

   1
   2 /**
   3  *
   4  * Tennix! SDL Port
   5  * Copyright (C) 2003, 2007 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 FADE_DURATION 500
  32 #define BUTTON_HIGHLIGHT 0.4
  33 #define BUTTON_BORDER 2
  34
  35 #define GET_PIXEL_DATA(surface,x,y) (*((Uint32*)(surface->pixels + x * surface->format->BytesPerPixel + y * surface->pitch)))
  36
  37 #define GET_PIXEL_RGB(surface,x,y,r,g,b) (SDL_GetRGB( GET_PIXEL_DATA(surface,x,y), surface->format, r, g, b))
  38 #define SET_PIXEL_RGB(surface,x,y,r,g,b) (GET_PIXEL_DATA(surface,x,y)=SDL_MapRGB(surface->format, r, g, b))
  39
  40 typedef struct {
  41     SDL_Surface* data;
  42 } Image;
  43
  44 typedef unsigned int image_id;
  45 enum {
  46     GR_COURT = 0,
  47     GR_SHADOW,
  48     GR_RACKET,
  49     GR_GROUND,
  50     GR_BALL,
  51     GR_MENU,
  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_COUNT
  59 };
  60
  61 #define GRAPHICS_IS_FONT(id) ((id == GR_SMALLISH_FONT) || (id == GR_DKC2_FONT))
  62 #define GR_CTT_FIRST GR_CTT_HARD
  63 #define GR_CTT_LAST GR_CTT_GRASS
  64
  65 enum {
  66     ANIMATION_NONE = 0,
  67     ANIMATION_WAVE = 1,
  68     ANIMATION_BUNGEE = 2,
  69     ANIMATION_PENDULUM = 4,
  70     ANIMATION_COUNT = 8
  71 };
  72
  73 void init_graphics();
  74 void uninit_graphics();
  75 int get_image_width(image_id);
  76 int get_image_height(image_id);
  77 int get_sprite_width(image_id, int);
  78 void show_sprite(image_id, int, int, int, int, int);
  79 void show_image(image_id, int, int, int);
  80 void line_horiz( int y, Uint8 r, Uint8 g, Uint8 b);
  81 void line_vert( int x, Uint8 r, Uint8 g, Uint8 b);
  82 void rectangle( int x, int y, int w, int h, Uint8 r, Uint8 g, Uint8 b);
  83 void fill_image(image_id id, int x, int y, int w, int h);
  84 void draw_button( int x, int y, int w, int h, Uint8 r, Uint8 g, Uint8 b, char pressed);
  85 void draw_button_text( char* s, int x, int y, int w, int h, Uint8 r, Uint8 g, Uint8 b, char pressed);
  86 void clearscr();
  87 void updatescr();
  88 void start_fade();
  89 int is_fading();
  90
  91 int font_get_metrics( image_id id, char ch, int* xp, int* wp);
  92 int font_draw_char( image_id id, char ch, int x_offset, int y_offset);
  93 void font_draw_string_alpha( image_id id, const char* s, int x_offset, int y_offset, int start, int animation, int opacity);
  94 #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)
  95 int font_get_string_width( image_id id, const char* s);
  96
  97 void draw_line_faded( int x1, int y1, int x2, int y2, int r, int g, int b, int r2, int g2, int b2);
  98 #define draw_line(x1,y1,x2,y2,r,g,b) draw_line_faded(x1,y1,x2,y2,r,g,b,r,g,b)
  99
 100 #endif
 101