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comparison include/mb_shapes.h @ 278:a90fd749af82 mbtext

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Implement the whole tspan attribute. Currently, we can accept font family/font style/font weight and font size.
author wycc
date Sat, 31 Jan 2009 09:41:04 +0800
parents bcad1ccdf45c
children c8b6ca46950b
comparison
equal deleted inserted replaced
277:5006e4abdda5 278:a90fd749af82
8 #define __SHAPES_H_ 8 #define __SHAPES_H_
9 9
10 #include <cairo.h> 10 #include <cairo.h>
11 #include "mb_types.h" 11 #include "mb_types.h"
12 #include "mb_redraw_man.h" 12 #include "mb_redraw_man.h"
13 #include <pango/pangocairo.h>
13 14
14 /*! \page define_shape How to Define Shapes 15 /*! \page define_shape How to Define Shapes
15 * 16 *
16 * A shape implementation must include 17 * A shape implementation must include
17 * - rdman_shape_*_new() 18 * - rdman_shape_*_new()
48 * @{ 49 * @{
49 */ 50 */
50 extern shape_t *rdman_shape_text_new(redraw_man_t *rdman, 51 extern shape_t *rdman_shape_text_new(redraw_man_t *rdman,
51 const char *txt, co_aix x, co_aix y, 52 const char *txt, co_aix x, co_aix y,
52 co_aix font_size, 53 co_aix font_size,
53 cairo_font_face_t *face); 54 cairo_font_face_t *face,PangoAttrList *attrs);
54 extern void sh_text_set_text(shape_t *shape, const char *txt); 55 extern void sh_text_set_text(shape_t *shape, const char *txt);
55 extern void sh_text_transform(shape_t *shape); 56 extern void sh_text_transform(shape_t *shape);
56 extern void sh_text_draw(shape_t *shape, cairo_t *cr); 57 extern void sh_text_draw(shape_t *shape, cairo_t *cr);
58 /* @} */
59
60 /*! \defgroup mb_text_t Shape of Text
61 * @{
62 */
63 #define TEXTSTYLE_BOLD 1
64 #define TEXTSTYLE_ITALIC 2
65 #define TEXTSTYLE_UNDERLINE 4
66 #define TEXTSTYLE_COLOR 8
67 #define TEXTSTYLE_FONT 0x10
68 #define TEXTSTYLE_ALIGN 0x20
69
70 typedef struct {
71 int property;
72 unsigned int color;
73 unsigned int align;
74 char *font;
75 } mb_textstyle_t;
76
77 typedef struct _textsegment {
78 int x;
79 int y;
80 mb_textstyle_t style;
81 int size;
82 char *buf;
83 struct _textsegment *next;
84 } mb_text_segment_t;
85
86 #define MBTEXT_DIRTY 1
87
88 typedef struct {
89 int nseg;
90 mb_text_segment_t *segs;
91 int flag;
92 cairo_surface_t *surface;
93 } mb_text_t;
94
95 extern void mb_textstyle_init(mb_textstyle_t *style);
96 extern void mb_textstyle_set_font(mb_textstyle_t *style, char *font);
97 static inline char *mb_textstyle_get_font(mb_textstyle_t *style)
98 {
99 if (style->property & TEXTSTYLE_FONT)
100 return style->font;
101 else
102 return NULL;
103 }
104 extern void mb_textstyle_set_bold(mb_textstyle_t *style, int bold);
105 static inline int mb_textstyle_get_bold(mb_textstyle_t *style)
106 {
107 return style->property & TEXTSTYLE_BOLD;
108 }
109 extern void mb_textstyle_set_italic(mb_textstyle_t *style, int italic);
110 static inline int mb_textstyle_get_italic(mb_textstyle_t *style)
111 {
112 return style->property & TEXTSTYLE_ITALIC;
113 }
114 extern void mb_textstyle_set_underline(mb_textstyle_t *style, int underline);
115 static inline int mb_textstyle_get_undeline(mb_textstyle_t *style)
116 {
117 return style->property & TEXTSTYLE_UNDERLINE;
118 }
119 extern void mb_textstyle_set_color(mb_textstyle_t *style, unsigned int color);
120 static inline unsigned int mb_textstyle_get_color(mb_textstyle_t *style)
121 {
122 if (style->property & TEXTSTYLE_COLOR)
123 return style->color;
124 else
125 return 0;
126 }
127
128 static inline int mb_textstyle_has_color(mb_textstyle_t *style)
129 {
130 return style->property & TEXTSTYLE_COLOR;
131 }
132 extern void mb_textstyle_set_alignment(mb_textstyle_t *style, int alignment);
133 extern int mb_textstyle_get_alignment(mb_textstyle_t *style);
134
135
136
137 extern void mb_text_set_style(mb_text_t *text, int begin,int end,mb_textstyle_t *style);
138 extern void mb_text_get_style(mb_text_t *text, int n,mb_textstyle_t *style);
139 extern void mb_text_set_text(mb_text_t *text, char *string,int begin,int end);
140 extern void mb_text_get_text(mb_text_t *text, int begin,int end, char *string);
141
142
57 /* @} */ 143 /* @} */
58 144
59 /*! \defgroup shape_rect Shape of Rectangle 145 /*! \defgroup shape_rect Shape of Rectangle
60 * @{ 146 * @{
61 */ 147 */