alhelper.h

gehe zur Dokumentation dieser Datei

/* -*- coding: utf-8 -*- */

/***********************************************************************
 *
 * $Id: alhelper.h,v 1.4 2010/11/19 07:50:11 elias Beta $
 * Diese Datei gehört zur Virtuellen Zockhalle
 *
 * Virtuelle Zockhalle 
 * (c) 2010 Elias Schwerdtfeger
 * http://www.tamagothi.de/
 *
 * Dieses Programm ist freie Software, lizenziert unter den sinngemäß
 * anzuwendenden Bedingungen meiner Lizenz für freie Musik,
 * http://www.tamagothi.de/alben/lizenz.html
 *
 ***********************************************************************/


#ifndef _ALHELPER_H
#define _ALHELPER_H


#include <allegro.h>
#include "eshelper.h"


DATAFILE *eload_datafile (const char *path);
BITMAP *ecreate_bitmap (int w, int h);
BITMAP *ecreate_sub_bitmap (BITMAP *bm, int x, int y, int w, int h);
BITMAP *edup_bitmap (BITMAP *bm);
RLE_SPRITE *eget_rle_sprite (BITMAP *bm);
void pattern_blit (BITMAP *pat, BITMAP *dest);
#define r_load_datafile(RMB, PATH) \
  _MAKEREMEMBER_1 ((RMB), DATAFILE *, eload_datafile, unload_datafile, (PATH))

#define r_create_bitmap(RMB, W, H)                                      \
  _MAKEREMEMBER_2 ((RMB), BITMAP *, ecreate_bitmap, destroy_bitmap, (W), (H))

#define r_create_sub_bitmap(RMB, BM, X, Y, W, H)                \
  _MAKEREMEMBER_5 ((RMB), BITMAP *, ecreate_sub_bitmap,         \
                   destroy_bitmap, (BM), (X), (Y), (W), (H))

#define r_dup_bitmap(RMB, BM)                                           \
  _MAKEREMEMBER_1 ((RMB), BITMAP *, edup_bitmap, destroy_bitmap, (BM))

#define r_get_rle_sprite(RMB, BM)                    \
  _MAKEREMEMBER_1 ((RMB), BITMAP *, eget_rle_sprite, \
                   destroy_rle_sprite, (BM))

#define makexcol(HEXCOL)                        \
  makecol (((HEXCOL) >> 16) & 0xFF,             \
           ((HEXCOL) >> 8) & 0xFF,              \
           ((HEXCOL) >> 0) & 0xFF)

struct blend_chain
{
  void (*blend_f) (int r, int g, int b, int a);
  BITMAP *blend_bm;
  int color;
  short int r;
  short int g;
  short int b;
  short int a;
  short int lit;
};

void chainblend (BITMAP *bm, struct blend_chain *chain);

#endif /* _ALHELPER_H */