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view include/mb_paint.h @ 842:76fe4afce640

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The inkscape:bbox is defined as the global coordinate system. However, the center.x and center.y must be the coordiante system of the parent group of the SVG entity. Therefore, we need to do coordinate transformation from the global coordination system to the local coordination system.
author wycc
date Sat, 18 Sep 2010 21:23:51 +0800
parents 586e50f82c1f
children
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line source

// -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
// vim: sw=4:ts=8:sts=4
#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_ */