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#ifndef __MAPOBJECT_PREVIEW_H__
#define __MAPOBJECT_PREVIEW_H__
#define PREVIEW_WIDTH 200
#define PREVIEW_HEIGHT 200
#define WIRESIZE 16
typedef struct
{
gint x1, y1, x2, y2;
gint linewidth;
GdkLineStyle linestyle;
} line;
typedef struct
{
gint x, y, w, h;
GdkImage *image;
} BackBuffer;
/* Externally visible variables */
/* ============================ */
extern line linetab[];
extern gdouble mat[3][4];
extern gint lightx,lighty;
extern BackBuffer backbuf;
/* Externally visible functions */
/* ============================ */
void compute_preview (gint x,
gint y,
gint w,
gint h,
gint pw,
gint ph);
void draw_wireframe (gint startx,
gint starty,
gint pw,
gint ph);
void clear_wireframe (void);
void draw_preview_image (gint docompute);
void draw_preview_wireframe (void);
gint check_light_hit (gint xpos,
gint ypos);
void update_light (gint xpos,
gint ypos);
#endif /* __MAPOBJECT_PREVIEW_H__ */
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