Mercurial > MadButterfly

annotate include/mb_paint.h @ 740:00a8c8a9e157

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Check if an object valid in gen_v8_binding.m4
author Thinker K.F. Li <thinker@codemud.net>
date Wed, 25 Aug 2010 10:07:33 +0800
parents e813ac222f48
children 586e50f82c1f
rev   line source
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0f3baa488a62 Support solid color paint for fill.
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1 #ifndef __PAINT_H_
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2 #define __PAINT_H_
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4 #include "mb_graph_engine.h"
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5 #include "mb_types.h"
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6 #include "mb_redraw_man.h"
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7 #include "mb_img_ldr.h"
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8 #include "mb_tools.h"
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10 extern paint_t *rdman_paint_color_new(redraw_man_t *rdman,
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11 co_comp_t r, co_comp_t g,
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12 co_comp_t b, co_comp_t a);
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13 extern void paint_color_set(paint_t *paint,
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83d24300a992 opacity (alpha) channel
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14 co_comp_t r, co_comp_t g,
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15 co_comp_t b, co_comp_t a);
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16 extern void paint_color_get(paint_t *paint,
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17 co_comp_t *r, co_comp_t *g,
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18 co_comp_t *b, co_comp_t *a);
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19 #define paint_init(_paint, _type, _prepare, _free) \
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20 do { \
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21 (_paint)->pnt_type = _type; \
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22 (_paint)->flags = 0; \
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23 (_paint)->prepare = _prepare; \
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24 (_paint)->free = _free; \
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25 STAILQ_INIT((_paint)->members); \
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26 (_paint)->pnt_next = NULL; \
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27 } while(0)
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28 #define paint_destroy(_paint)
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31 extern paint_t *rdman_paint_linear_new(redraw_man_t *rdman,
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32 co_aix x1, co_aix y1,
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33 co_aix x2, co_aix y2);
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34 extern grad_stop_t *paint_linear_stops(paint_t *paint,
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35 int n_stops,
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36 grad_stop_t *stops);
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37 extern paint_t *rdman_paint_radial_new(redraw_man_t *rdman,
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38 co_aix cx, co_aix cy, co_aix r);
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39 extern grad_stop_t *paint_radial_stops(paint_t *paint,
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40 int n_stops,
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41 grad_stop_t *stops);
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42
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43 #define grad_stop_init(stop, _offset, _r, _g, _b, _a) \
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44 do { \
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45 (stop)->offset = _offset; \
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46 (stop)->r = _r; \
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47 (stop)->g = _g; \
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48 (stop)->b = _b; \
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49 (stop)->a = _a; \
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50 } while(0)
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52 /*! \brief A paint that fill or stroke shape with an image.
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53 */
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54 extern paint_t *rdman_paint_image_new(redraw_man_t *rdman,
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55 mb_img_data_t *img);
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56 /*! \brief Set a matrix to transform image.
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57 */
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58 extern void paint_image_set_matrix(paint_t *paint, co_aix matrix[6]);
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59 extern void paint_image_get_size(paint_t *paint, int *w, int *h);
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61 #endif /* __PAINT_H_ */