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comparison Android/java/org/madbutterfly/redraw_man.java @ 493:1b6228092a57 Android_Skia

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Java code for MadButterfly JNI. This is Java code that access MadButterfly JNI interface.
author Thinker K.F. Li <thinker@branda.to>
date Thu, 26 Nov 2009 15:02:51 +0800
parents
children 2d7df44e6299
comparison
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492:e95598916dfb 493:1b6228092a57
1 package org.madbutterfly;
2
3 import android.graphics.Canvas;
4 import android.view.SurfaceHolder;
5 import java.util.ArrayList;
6
7 class redraw_man {
8 Canvas _cr, _backend;
9 int _rdman_addr; // address of redraw_man_t
10 coord root;
11 ArrayList paints;
12 MBView _view;
13
14 public redraw_man(Canvas cr, Canvas backend, MBView view) {
15 int addr;
16
17 _view = view;
18 _cr = cr;
19 _backend = backend;
20
21 _rdman_addr = _jni.redraw_man_new(cr, backend);
22 addr = _jni.rdman_get_root(_rdman_addr);
23 root = new coord(this, addr);
24
25 paints = new ArrayList();
26 }
27
28 static void _invalid_subtree(coord subtree) {
29 int i, sz;
30 coord child;
31 shape member;
32
33 subtree.invalid();
34
35 sz = subtree.members.size();
36 for(i = 0; i < sz; i ++) {
37 member = (shape)subtree.members.get(i);
38 member.invalid();
39 }
40
41 sz = subtree.children.size();
42 for(i = 0; i < sz; i++) {
43 child = (coord)subtree.children.get(i);
44 _invalid_subtree(child);
45 }
46 }
47
48 protected void finalize() {
49 int i, sz;
50 paint pnt;
51
52 _invalid_subtree(root);
53
54 /* invalid paints */
55 sz = paints.size();
56 for(i = 0; i < sz; i++) {
57 pnt = (paint)paints.get(i);
58 pnt.invalid();
59 }
60
61 _jni.redraw_man_free(_rdman_addr);
62 }
63
64 public coord get_root() {
65 return root;
66 }
67
68 public coord coord_new(coord parent) {
69 int addr;
70 coord child;
71
72 addr = _jni.rdman_coord_new(_rdman_addr, parent.addr);
73 child = new coord(this, addr);
74 parent.children.add(child);
75
76 return child;
77 }
78
79 public void coord_free(coord obj) {
80 obj.finalize();
81 obj.invalid();
82 }
83
84 public shape shape_path_new(String pathdata) {
85 int addr;
86 shape new_shape;
87
88 addr = _jni.rdman_shape_path_new(_rdman_addr, pathdata);
89 new_shape = new shape(this, addr);
90
91 return new_shape;
92 }
93
94 public paint paint_color_new(float r, float g, float b, float a) {
95 int addr;
96 paint pnt;
97
98 addr = _jni.rdman_paint_color_new(_rdman_addr, r, g, b, a);
99 pnt = new paint(this, addr);
100
101 return pnt;
102 }
103
104 public void redraw() {
105 _jni.rdman_redraw_all(_rdman_addr);
106 _view.redraw();
107 }
108 }