Mercurial > MadButterfly
annotate include/mb_shapes.h @ 206:748896358da2
Export subject_add_event_observer() to rest of the system.
- declare it in mb_observer.h
| author | Thinker K.F. Li <thinker@branda.to> |
|---|---|
| date | Wed, 10 Dec 2008 12:02:17 +0800 |
| parents | bcad1ccdf45c |
| children | 50d253d0fcba a90fd749af82 |
| rev | line source |
|---|---|
| 101 | 1 /*! \file |
| 2 * \brief Declare interfaces of shapes. | |
| 3 * | |
| 4 * \todo Add ellipse shape. | |
| 5 * \todo Add circle shape. | |
| 6 */ | |
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7 #ifndef __SHAPES_H_ |
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8 #define __SHAPES_H_ |
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9 |
| 12 | 10 #include <cairo.h> |
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11 #include "mb_types.h" |
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Move header files to $(top_srcdir)/include/ and prefixed with 'mb_'.
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12 #include "mb_redraw_man.h" |
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13 |
| 101 | 14 /*! \page define_shape How to Define Shapes |
| 27 | 15 * |
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Postponse free of coords, shapes, and paints when the rdman is dirty.
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16 * A shape implementation must include |
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17 * - rdman_shape_*_new() |
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Support rectangle tag of SVG.
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18 * - clear memory for shape_t member. |
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19 * - assign *_free() to \ref shape_t::free. |
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Postponse free of coords, shapes, and paints when the rdman is dirty.
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20 * - make new object been managed by a redraw manager. |
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Postponse free of coords, shapes, and paints when the rdman is dirty.
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21 * - call rdman_shape_man() |
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22 * - *_free() |
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23 * - assigned to \ref shape_t::free. |
| 27 | 24 * - *_transform() |
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Accept mouse/pointer event and hint the shape that the pointer is over.
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25 * - *_draw() |
| 108 | 26 * - first member variable of a shape type must be a shape_t. |
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27 * |
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28 * Must modify |
| 101 | 29 * - event.c::draw_shape_path() |
| 30 * - redraw_man.c::clean_shape() | |
| 31 * - redraw_man.c::draw_shape() | |
| 27 | 32 */ |
| 33 | |
| 101 | 34 /*! \defgroup shapes Shapes |
| 35 * @{ | |
| 36 */ | |
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37 |
| 101 | 38 /*! \defgroup shape_path Shape of Path |
| 39 * @{ | |
| 40 */ | |
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41 extern shape_t *rdman_shape_path_new(redraw_man_t *rdman, char *data); |
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Translate the path string into binary array to save the parsing in the runtime. It can reduce the size as well.
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42 extern shape_t *rdman_shape_path_new_from_binary(redraw_man_t *rdman, char *commands, co_aix *arg,int arg_cnt,int *fix_arg,int fix_arg_cnt); |
| 12 | 43 extern void sh_path_transform(shape_t *shape); |
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44 extern void sh_path_draw(shape_t *shape, cairo_t *cr); |
| 101 | 45 /* @} */ |
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46 |
| 101 | 47 /*! \defgroup shape_text Shape of Text |
| 48 * @{ | |
| 49 */ | |
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50 extern shape_t *rdman_shape_text_new(redraw_man_t *rdman, |
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51 const char *txt, co_aix x, co_aix y, |
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52 co_aix font_size, |
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53 cairo_font_face_t *face); |
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New example, calculator.
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54 extern void sh_text_set_text(shape_t *shape, const char *txt); |
| 27 | 55 extern void sh_text_transform(shape_t *shape); |
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56 extern void sh_text_draw(shape_t *shape, cairo_t *cr); |
| 101 | 57 /* @} */ |
| 27 | 58 |
| 101 | 59 /*! \defgroup shape_rect Shape of Rectangle |
| 60 * @{ | |
| 61 */ | |
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62 extern shape_t *rdman_shape_rect_new(redraw_man_t *rdman, |
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Postponse free of coords, shapes, and paints when the rdman is dirty.
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63 co_aix x, co_aix y, |
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64 co_aix w, co_aix h, |
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Postponse free of coords, shapes, and paints when the rdman is dirty.
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65 co_aix rx, co_aix ry); |
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581a03196093
Support rectangle tag of SVG.
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66 extern void sh_rect_transform(shape_t *shape); |
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581a03196093
Support rectangle tag of SVG.
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parents:
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67 extern void sh_rect_draw(shape_t *shape, cairo_t *cr); |
| 40 | 68 extern void sh_rect_set(shape_t *shape, co_aix x, co_aix y, |
| 69 co_aix w, co_aix h, co_aix rx, co_aix ry); | |
| 101 | 70 /* @} */ |
| 71 /* @} */ | |
| 27 | 72 |
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5
9c331ec9e210
SVG path is partially supported
Thinker K.F. Li <thinker@branda.to>
parents:
diff
changeset
|
73 #endif /* __SHAPES_H_ */ |