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//Copyright Paul Reiche, Fred Ford. 1992-2002
/*
* This program 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef LIBS_GRAPHICS_DRAWABLE_H_
#define LIBS_GRAPHICS_DRAWABLE_H_
#include <stdio.h>
#include "tfb_draw.h"
#define ValidPrimType(pt) ((pt)<NUM_PRIMS)
typedef struct bresenham_line
{
POINT first, second;
SIZE abs_delta_x, abs_delta_y;
SIZE error_term;
BOOLEAN end_points_exchanged;
INTERSECT_CODE intersect_code;
} BRESENHAM_LINE;
typedef UWORD DRAWABLE_TYPE;
#define ROM_DRAWABLE 0
#define RAM_DRAWABLE 1
#define SCREEN_DRAWABLE 2
struct frame_desc
{
DRAWABLE_TYPE Type;
UWORD Index;
HOT_SPOT HotSpot;
EXTENT Bounds;
TFB_Image *image;
struct drawable_desc *parent;
};
struct drawable_desc
{
CREATE_FLAGS Flags;
UWORD MaxIndex;
FRAME_DESC *Frame;
};
#define GetFrameWidth(f) ((f)->Bounds.width)
#define GetFrameHeight(f) ((f)->Bounds.height)
#define GetFrameBounds(f) ((f)->Bounds)
#define SetFrameBounds(f,w,h) \
((f)->Bounds.width=(w), \
((f))->Bounds.height=(h))
#define DRAWABLE_PRIORITY DEFAULT_MEM_PRIORITY
extern DRAWABLE AllocDrawable (COUNT num_frames);
#define FreeDrawable(D) _ReleaseCelData (D)
typedef struct
{
RECT Box;
FRAME FramePtr;
} IMAGE_BOX;
extern INTERSECT_CODE _clip_line (const RECT *pClipRect,
BRESENHAM_LINE *pLine);
extern void *_GetCelData (uio_Stream *fp, DWORD length);
extern BOOLEAN _ReleaseCelData (void *handle);
extern FRAME _CurFramePtr;
// ClipRect is relative to ctxOrigin
extern void _text_blt (RECT *pClipRect, TEXT *TextPtr, POINT ctxOrigin);
#endif /* LIBS_GRAPHICS_DRAWABLE_H_ */
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