/*************************************
		 *                                   *
		 *            Render v2.0            *
		 *   by Torsten Jürgeleit in 05/91   *
		 *                                   *
		 *    Defines, structs and protos    *
		 *                                   *
		 *************************************/

#ifndef	RENDER_H
#define	RENDER_H

	/* Defines for render info flags */

#define RENDER_INFO_FLAG_INNER_WINDOW	(1 << 0)   /* use upper left corner of inner window as location (0,0) */
#define RENDER_INFO_FLAG_BACK_FILL	(1 << 1)   /* fill window back ground with different color */

	/* Defines for open window flags */

#define OPEN_WINDOW_FLAG_CENTER_WINDOW	(1 << 0)   /* center window on screen */
#define OPEN_WINDOW_FLAG_RENDER_PENS	(1 << 1)   /* use render pens for detail and backfill pen */

	/* Defines for render images */

#define MAX_RENDER_IMAGES	11

#define IMAGE_ARROW_LEFT	0
#define IMAGE_ARROW_RIGHT	1
#define IMAGE_ARROW_UP		2
#define IMAGE_ARROW_DOWN	3
#define IMAGE_KNOB_UNSELECTED	4
#define IMAGE_KNOB_SELECTED	5
#define IMAGE_CHECK_UNSELECTED	6
#define IMAGE_CHECK_SELECTED	7
#define IMAGE_CYCLE		8
#define IMAGE_COUNT_LEFT	9
#define IMAGE_COUNT_RIGHT	10

#define IMAGE_ARROW_WIDTH	9
#define IMAGE_ARROW_HEIGHT	5
#define IMAGE_ARROW_DEPTH	1

#define IMAGE_KNOB_WIDTH	18
#define IMAGE_KNOB_HEIGHT	9
#define IMAGE_KNOB_DEPTH	2

#define IMAGE_CHECK_WIDTH	13
#define IMAGE_CHECK_HEIGHT	7
#define IMAGE_CHECK_DEPTH	1

#define IMAGE_CYCLE_WIDTH	16
#define IMAGE_CYCLE_HEIGHT	9
#define IMAGE_CYCLE_DEPTH	2

#define IMAGE_COUNT_WIDTH	8
#define IMAGE_COUNT_HEIGHT	5
#define IMAGE_COUNT_DEPTH	1

#define IMAGE_HORIZ_OFFSET	4
#define IMAGE_VERT_OFFSET	2

#define INTUISUP_DATA_END	0	/* end marker for data arrays */

#define MAX_RENDER_COLORS	16	/* max screen colors to look at */

	/* Structures */

struct RenderInfo {
	USHORT	ri_ScreenWidth;
	USHORT	ri_ScreenHeight;
	UBYTE	ri_ScreenDepth;
	UBYTE	ri_WindowBorderTop;
	UBYTE	ri_WindowBorderLeft;
	UBYTE	ri_WindowBorderRight;
	UBYTE	ri_WindowBorderBottom;
	UBYTE	ri_HighlightPen;
	UBYTE	ri_ShadowPen;
	UBYTE	ri_TextPen1;
	UBYTE	ri_TextPen2;
	UBYTE	ri_BackPen;
	USHORT	ri_Flags;
	struct TextFont  *ri_TextFont;
	struct TextAttr  ri_TextAttr;
	struct Image     ri_Images[MAX_RENDER_IMAGES];
	USHORT	*ri_ImageData;
	ULONG	ri_ImageDataSize;
};
	/* Global prototypes */

struct RenderInfo  *get_render_info(struct Screen  *screen, USHORT flags);
VOID free_render_info(struct RenderInfo  *ri);
struct Window  *open_window(struct RenderInfo  *ri, struct NewWindow  *nw,
							      USHORT flags);
VOID  clear_render_window(struct RenderInfo  *ri, struct Window  *win,
	    USHORT left_edge, USHORT top_edge, USHORT width, USHORT height);
SHORT calc_color_difference(SHORT color1, SHORT color2);

	/* Global pragmas */

#pragma regcall(get_render_info(a0,d0))
#pragma regcall(free_render_info(a0))
#pragma regcall(open_window(a0,a1,d0))
#pragma regcall(clear_render_window(a0,a1,d0,d1,d2,d3))
#pragma regcall(calc_color_difference(d0,d1))

#endif