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comparison src/shape_rect.c @ 35:581a03196093

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Support rectangle tag of SVG. - Change rectangle in X_main to sh_rect_t.
author Thinker K.F. Li <thinker@branda.to>
date Wed, 06 Aug 2008 02:11:53 +0800
parents 07c523c799f4
children 51a20f240ce3
comparison
equal deleted inserted replaced
34:07c523c799f4 35:581a03196093
1 #include <stdio.h> 1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
2 #include "mb_types.h" 4 #include "mb_types.h"
3 #include "shapes.h" 5 #include "shapes.h"
4 6
5 typedef struct _sh_rect { 7 typedef struct _sh_rect {
6 shape_t shape; 8 shape_t shape;
7 co_aix x, y; 9 co_aix x, y;
10 co_aix w, h;
8 co_aix rx, ry; 11 co_aix rx, ry;
9 co_aix d_x, d_y; 12 co_aix poses[12][2];
10 co_aix d_rx, d_ry;
11 } sh_rect_t; 13 } sh_rect_t;
12 14
13 extern void sh_rect_transform(shape_t *shape) { 15 shape_t *sh_rect_new(co_aix x, co_aix y, co_aix w, co_aix h,
16 co_aix rx, co_aix ry) {
17 sh_rect_t *rect;
18
19 rect = (sh_rect_t *)malloc(sizeof(sh_rect_t));
20 if(rect == NULL)
21 return NULL;
22
23 memset(rect, 0, sizeof(sh_rect_t));
24
25 rect->shape.sh_type = SHT_RECT;
26 rect->x = x;
27 rect->y = y;
28 rect->w = w;
29 rect->h = h;
30 rect->rx = rx;
31 rect->ry = ry;
32
33 return (shape_t *)rect;
34 }
35
36 void sh_rect_free(shape_t *shape) {
37 free(shape);
38 }
39
40 void sh_rect_transform(shape_t *shape) {
14 sh_rect_t *rect = (sh_rect_t *)shape; 41 sh_rect_t *rect = (sh_rect_t *)shape;
42 co_aix x, y, w, h, rx, ry;
43 co_aix (*poses)[2];
44 co_aix width;
45 area_t *area;
46 int i;
15 47
48 x = rect->x;
49 y = rect->y;
50 w = rect->w;
51 h = rect->h;
52 rx = rect->rx;
53 ry = rect->ry;
54
55 poses = rect->poses;
56
57 poses[0][0] = x + w - rx;
58 poses[0][1] = y;
59 poses[1][0] = x + w;
60 poses[1][1] = y;
61 poses[2][0] = x + w;
62 poses[2][1] = y + ry;
63
64 poses[3][0] = x + w;
65 poses[3][1] = y + h - ry;
66 poses[4][0] = x + w;
67 poses[4][1] = y + h;
68 poses[5][0] = x + w - rx;
69 poses[5][1] = y + h;
70
71 poses[6][0] = x + rx;
72 poses[6][1] = y + h;
73 poses[7][0] = x;
74 poses[7][1] = y + h;
75 poses[8][0] = x;
76 poses[8][1] = y + h - ry;
77
78 poses[9][0] = x;
79 poses[9][1] = y + ry;
80 poses[10][0] = x;
81 poses[10][1] = y;
82 poses[11][0] = x + rx;
83 poses[11][1] = y;
84
85 for(i = 0; i < 12; i++)
86 coord_trans_pos(shape->coord, &poses[i][0], &poses[i][1]);
87
88 geo_from_positions(shape->geo, 12, poses);
89
90 if(shape->stroke) {
91 area = shape->geo->cur_area;
92 width = shape->stroke_width;
93 area->x -= width / 2 + 1;
94 area->y -= width / 2 + 1;
95 area->w += width + 2;
96 area->h += width + 2;
97 }
16 } 98 }
99
100 void sh_rect_draw(shape_t *shape, cairo_t *cr) {
101 sh_rect_t *rect = (sh_rect_t *)shape;
102 int i;
103 co_aix (*poses)[2];
104
105 poses = rect->poses;
106 cairo_move_to(cr, poses[11][0], poses[11][1]);
107 for(i = 0; i < 12; i += 3) {
108 cairo_line_to(cr, poses[i][0], poses[i][1]);
109 cairo_curve_to(cr,
110 poses[i + 1][0], poses[i + 1][1],
111 poses[i + 1][0], poses[i + 1][1],
112 poses[i + 2][0], poses[i + 2][1]);
113 }
114 cairo_close_path(cr);
115 }