Mercurial > MadButterfly

annotate nodejs/mbapp.js @ 886:3457f2d8b0b8 abs_n_rel_center

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Only redraw changed when calling app.refresh() in JS
author Thinker K.F. Li <thinker@codemud.net>
date Sun, 26 Sep 2010 12:17:06 +0800
parents 6c8e4e1f3a39
children 0a4b92e4ff75
rev   line source
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586e50f82c1f Unify coding style tag for emacs and vim.
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
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2 // vim: sw=4:ts=8:sts=4
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3 var mbfly = require("mbfly");
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4 var svg = require("./svg");
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5 var sys = require("sys");
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6 var ldr = mbfly.img_ldr_new(".");
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7
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8 function _reverse(m1) {
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9 var rev = new Array(1, 0, 0, 0, 1, 0);
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10 var m = new Array(m1[0], m1[1], m1[2], m1[3], m1[4], m1[5]);
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11
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12 rev[3] = -m[3] / m[0];
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13 m[3] = 0;
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14 m[4] += rev[3] * m[1];
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15 m[5] += rev[3] * m[2];
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16
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17 rev[1] = -m[1] / m[4];
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18 rev[0] += rev[1] * rev[3];
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19 m[1] = 0;
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20 m[2] += rev[1] * m[5];
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21
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22 rev[2] = -m[2];
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23 rev[5] = -m[5];
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24
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25 rev[0] = rev[0] / m[0];
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26 rev[1] = rev[1] / m[0];
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27 rev[2] = rev[2] / m[0];
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28
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29 rev[3] = rev[3] / m[4];
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30 rev[4] = rev[4] / m[4];
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31 rev[5] = rev[5] / m[4];
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32
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33 return rev;
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34 }
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35
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36 function _decorate_mb_rt(mb_rt) {
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37 var coord;
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38
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39 mb_rt._mbapp_saved_coord_new = mb_rt.coord_new;
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40 mb_rt.coord_new = function(parent) {
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41 var coord;
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42
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43 coord = this._mbapp_saved_coord_new(parent);
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44 coord.type = "coord";
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45 coord.children = [];
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46 coord._mbapp_saved_mtx = [coord[0], coord[1], coord[2],
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47 coord[3], coord[4], coord[5]];
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48 coord._mbapp_saved_rev_mtx = _reverse(coord._mbapp_saved_mtx);
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49 coord.parent = parent;
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50 coord._mbapp_saved_add_shape = coord.add_shape;
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51 coord.add_shape = function(shape) {
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52 var coord;
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53
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54 this._mbapp_saved_add_shape(shape);
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55 shape.parent = this;
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56 this.children.push(shape);
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57 }
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58
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59 parent.children.push(coord);
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60
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61 return coord;
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62 };
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63
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64 /*
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65 * Decorate root coord
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66 */
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67 coord = mb_rt.root;
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68 coord.type = "coord";
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69 coord.children = [];
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70 coord._mbapp_saved_mtx = [coord[0], coord[1], coord[2],
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71 coord[3], coord[4], coord[5]];
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72 coord._mbapp_saved_rev_mtx = _reverse(coord._mbapp_saved_mtx);
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73 coord._mbapp_saved_add_shape = coord.add_shape;
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74 coord.add_shape = function(shape) {
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75 var coord;
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76
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77 this._mbapp_saved_add_shape(shape);
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78 shape.parent = this;
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79 }
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80 }
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81
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82 app=function(display, w, h) {
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83 var self = this;
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84 var mb_rt;
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85
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86 if(typeof display == "undefined")
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87 display = ":0.0";
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88 if(typeof w == "undefined")
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89 w = 720;
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90 if(typeof h == "undefined")
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91 h = 480;
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92
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93 mb_rt = this.mb_rt = new mbfly.mb_rt(display, w, h);
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94 _decorate_mb_rt(mb_rt);
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95 var background = mb_rt.rect_new(0, 0, 720, 480, 0, 0);
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96 var paint = mb_rt.paint_color_new(1, 1, 1, 1);
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97 paint.fill(background);
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98 mb_rt.root.add_shape(background);
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99
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100 this.mb_rt.kbevents.add_event_observer(exports.EVT_KB_PRESS, function(evt) { self.KeyPress(evt);});
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101 this.keymap={};
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102 this.onKeyPress = null;
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103 }
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104 app.prototype.loadSVG=function(fname) {
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105 svg.loadSVG(this.mb_rt,this.mb_rt.root,fname);
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106 }
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107
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108 app.prototype.KeyPress = function(evt) {
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109 sys.puts(evt.sym);
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110 if (this.onKeyPress) this.onKeyPress(evt.sym);
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111 if (evt.sym in this.keymap) this.keymap[evt.sym]();
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112 }
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113
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114 app.prototype.loop=function() {
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115 this.mb_rt.redraw_all();
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116 this.mb_rt.flush();
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117 }
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118 app.prototype.update=function() {
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119 this.mb_rt.redraw_all();
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120 this.mb_rt.flush();
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121 }
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122 app.prototype.get=function(name) {
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123 return this.mb_rt.mbnames[name];
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124 }
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125 app.prototype.addKeyboardListener=function(type,f) {
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126 return this.mb_rt.kbevents.add_event_observer(type,f);
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127 }
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128 app.prototype.refresh=function() {
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129 this.mb_rt.redraw_changed();
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130 this.mb_rt.flush();
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131 }
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132 app.prototype.dump=function() {
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133 sys.puts(this.onKeyPress);
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134 }
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135
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136 app.prototype.addKeyListener=function(key,f) {
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137 if (typeof(key) == 'number')
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138 this.keymap[key] = f;
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139 else {
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140 for(k in key) {
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141 this.keymap[k] = f;
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142 }
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143 }
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144 }
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145
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146 var app_with_win = function(display, win) {
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147 var self = this;
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148 var mb_rt;
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149 var background;
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150 var paint;
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151
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152 if(typeof display == "undefined" || typeof win == "undefined")
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153 throw "Invalid argument";
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154
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155 mb_rt = this.mb_rt = new mbfly.mb_rt_with_win(display, win);
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ec8d7e9c9642 Decorate mb_rt created by mb_rt_with_win()
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156 _decorate_mb_rt(mb_rt);
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157 background = mb_rt.rect_new(0, 0, 720, 480, 0, 0);
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158 paint = mb_rt.paint_color_new(1, 1, 1, 1);
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159 paint.fill(background);
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160 mb_rt.root.add_shape(background);
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161
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162 this.mb_rt.kbevents.
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163 add_event_observer(exports.EVT_KB_PRESS,
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164 function(evt) { self.KeyPress(evt); });
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165 this.keymap = {};
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166 this.onKeyPress = null;
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167 }
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168
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169 app_with_win.prototype = app.prototype;
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170
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171 exports.app=app;
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172 exports.app_with_win = app_with_win;
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173
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174 // Put all key definition here
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175 exports.KEY_LEFT = 0xff51;
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176 exports.KEY_UP = 0xff52;
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177 exports.KEY_RIGHT = 0xff53;
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178 exports.KEY_DOWN = 0xff54;
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179 exports.KEY_ENTER = 0xff0d;
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180 exports.EVT_ANY=0;
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181 exports.EVT_MOUSE_OVER=1;
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182 exports.EVT_MOUSE_OUT=2;
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183 exports.EVT_MOUSE_MOVE=3;
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184 exports.EVT_MOUSE_BUT_PRESS4;
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185 exports.EVT_MOUSE_BUT_RELEASE=5
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186 exports.EVT_KB_PRESS=6;
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187 exports.EVT_KB_RELEASE=7;
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188 exports.EVT_PROGM_COMPLETE=8;
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189 exports.EVT_RDMAN_REDRAW=9;
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190 exports.EVT_MONITOR_ADD=10;
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191 exports.EVT_MONITOR_REMOVE=11;
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192 exports.EVT_MONITOR_FREE=12;
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193 exports.EVT_MOUSE_MOVE_RAW=13;
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194 exports.ldr = ldr;