view include/mb_paint.h @ 776:77b561bb7929

Implement new algorithm to calculate the origin of the SVG elemnts so that we can implement object resize without changing the position of the object. However, the image does not work here since it does not use the transformation of the group.
author wycc
date Mon, 30 Aug 2010 08:56:44 +0800
parents e813ac222f48
children 586e50f82c1f
line wrap: on
line source

#ifndef __PAINT_H_
#define __PAINT_H_

#include "mb_graph_engine.h"
#include "mb_types.h"
#include "mb_redraw_man.h"
#include "mb_img_ldr.h"
#include "mb_tools.h"

extern paint_t *rdman_paint_color_new(redraw_man_t *rdman,
				      co_comp_t r, co_comp_t g,
				      co_comp_t b, co_comp_t a);
extern void paint_color_set(paint_t *paint,
			    co_comp_t r, co_comp_t g,
			    co_comp_t b, co_comp_t a);
extern void paint_color_get(paint_t *paint,
			    co_comp_t *r, co_comp_t *g,
			    co_comp_t *b, co_comp_t *a);
#define paint_init(_paint, _type, _prepare, _free)	\
    do {						\
	(_paint)->pnt_type = _type;			\
	(_paint)->flags = 0;				\
	(_paint)->prepare = _prepare;			\
	(_paint)->free = _free;				\
	STAILQ_INIT((_paint)->members);			\
	(_paint)->pnt_next = NULL;			\
    } while(0)
#define paint_destroy(_paint)


extern paint_t *rdman_paint_linear_new(redraw_man_t *rdman,
				       co_aix x1, co_aix y1,
				       co_aix x2, co_aix y2);
extern grad_stop_t *paint_linear_stops(paint_t *paint,
				       int n_stops,
				       grad_stop_t *stops);
extern paint_t *rdman_paint_radial_new(redraw_man_t *rdman,
				       co_aix cx, co_aix cy, co_aix r);
extern grad_stop_t *paint_radial_stops(paint_t *paint,
				       int n_stops,
				       grad_stop_t *stops);

#define grad_stop_init(stop, _offset, _r, _g, _b, _a)	\
    do {						\
	(stop)->offset = _offset;			\
	(stop)->r = _r;					\
	(stop)->g = _g;					\
	(stop)->b = _b;					\
	(stop)->a = _a;					\
    } while(0)

/*! \brief A paint that fill or stroke shape with an image.
 */
extern paint_t *rdman_paint_image_new(redraw_man_t *rdman,
				      mb_img_data_t *img);
/*! \brief Set a matrix to transform image.
 */
extern void paint_image_set_matrix(paint_t *paint, co_aix matrix[6]);
extern void paint_image_get_size(paint_t *paint, int *w, int *h);

#endif /* __PAINT_H_ */