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annotate nodejs/coord.cc @ 944:b0edd13779ee

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Implement a frameline widget
author Thinker K.F. Li <thinker@codemud.net>
date Tue, 16 Nov 2010 12:12:21 +0800
parents 2bcacd29d95f
children 88bd0eee2b00
rev   line source
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
586e50f82c1f Unify coding style tag for emacs and vim.
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2 // vim: sw=4:ts=8:sts=4
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3 #include <stdio.h>
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4 #include <v8.h>
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5
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6 extern "C" {
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7 #include "mb.h"
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8 #include "mb_X_supp.h"
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9 #include "mb_tools.h"
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10 #include "X_supp_njs.h"
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11 }
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12
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13 #include "mbfly_njs.h"
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14
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15 #ifndef ASSERT
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16 #define ASSERT(x)
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17 #endif
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18
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19 #define OK 0
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20
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21 /*! \page jsgc How to Manage Life-cycle of Objects for Javascript.
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22 *
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23 * The life-cycle of MadButterfly ojects are simple. A object is live
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24 * when it is created and dead when it is free. When a coord or shape
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25 * is free, it is also removed from the tree. There is not way to
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26 * remove a coord or a shape without freeing it. So, if you want to
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27 * remove a coord or a shape object from the tree, you can only free
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28 * it.
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29 *
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30 * Javascript, in conventional, does not free an object. It has GC,
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31 * the engine, being used, will free an object if it is no more
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32 * referenced. So, we had better provide a removing function, but
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33 * actually free an object. In idea situation, a new MB object would
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34 * be created for and attached on the JS object, when an object added
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35 * back to the tree. But, it means we need to keep states of an
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36 * object and create a new one with the same states later. It is
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37 * complicated. So, once an object is removed, it is invalidated.
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38 *
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39 * I hope someone would implement a higher abstract layer, in JS, to
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40 * implement the idea model that recreate a new object when an
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41 * invalidated JS object being added back.
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42 *
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43 * An invalid object is the one with NULL internal field and obj.valid
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44 * == false. The binding of MadButterfly hold a reference to every
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45 * object added to the tree of a mbrt (runtime object), and remove the
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46 * reference and invalidate it when it being removed.
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47 *
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48 * For coords, they are always attached to the tree when it is valid.
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49 * So, binding hold a persistent reference to it. The reference is
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50 * purged when a coord being removed from the tree and being
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51 * invalidated.
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52 *
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53 * For any shape, it is not attached to the tree at begining, but is
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54 * attached to a tree laterly, or is collected by GC. The binding
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55 * hold a weak reference for a new shape, and upgrade to a strong
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56 * reference when the shape being added to the tree.
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57 */
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58
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59 using namespace v8;
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60
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61 /*! \defgroup xnjsmb_coord JS binding for coord objects.
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62 * \ingroup xnjsmb
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63 *
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64 * @{
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65 */
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66 /*! \brief Invalidate JS objects for coords and shapes in a subtree.
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67 *
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68 * \param self is the object of the root of subtree.
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69 *
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70 * \sa \ref jsgc
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71 */
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72 static void
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73 xnjsmb_coord_invalidate_subtree(coord_t *coord) {
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74 Persistent<Object> *child_hdl;
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75 Persistent<Object> *mem_hdl;
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76 coord_t *child;
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77 shape_t *mem;
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78 Handle<Value> _false = Boolean::New(0);
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79
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80 /* Invalidate all coords in the subtree */
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81 FOR_COORDS_PREORDER(coord, child) {
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82 child_hdl = (Persistent<Object> *)mb_prop_get(&child->obj.props,
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83 PROP_JSOBJ);
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84 SET(*child_hdl, "valid", _false);
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85 WRAP(*child_hdl, NULL);
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86 child_hdl->Dispose();
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87 delete child_hdl;
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88
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89 /* Invalidate members of a coord */
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90 FOR_COORD_SHAPES(child, mem) {
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91 mem_hdl = (Persistent<Object> *)mb_prop_get(&mem->obj.props,
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92 PROP_JSOBJ);
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93 SET(*mem_hdl, "valid", _false);
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94 WRAP(*mem_hdl, NULL);
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95 mem_hdl->Dispose();
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96 delete mem_hdl;
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97 }
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98 }
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99 }
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100
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101 /*! \brief Free C objects for coords and shapes in a subtree.
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102 *
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103 * \param self is the object of the root of subtree.
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104 *
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105 * \sa \ref jsgc
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106 */
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107 static void
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108 xnjsmb_coord_free_subtree(redraw_man_t *rdman, coord_t *coord) {
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109 coord_t *child, *last_child;
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110 shape_t *mem, *last_mem;
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111 int r;
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112
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113 rdman_coord_changed(rdman, coord);
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114
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115 last_child = NULL;
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116 FOR_COORDS_POSTORDER(coord, child) {
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117 if(last_child != NULL) {
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118 r = rdman_coord_free(rdman, last_child);
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119 if(r != OK)
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120 THROW_noret("Unknown error");
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121 }
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122
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123 /* Free members of a coord */
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124 last_mem = NULL;
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125 FOR_COORD_SHAPES(child, mem) {
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126 if(last_mem != NULL) {
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127 r = rdman_shape_free(rdman, last_mem);
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
128 if(r != OK)
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
129 THROW_noret("Unknown error");
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
130 }
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
131
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
132 last_mem = mem;
741
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
133 }
744
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
134 if(last_mem != NULL) {
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
135 r = rdman_shape_free(rdman, last_mem);
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
136 if(r != OK)
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
137 THROW_noret("Unknown error");
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
138 }
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
139
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
140 last_child = child;
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
141 }
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
142 if(last_child != NULL) {
768
13669b28826d Fix issue of memory leaking for coord objects.
Thinker K.F. Li <thinker@codemud.net>
parents: 766
diff changeset
143 r = rdman_coord_free(rdman, last_child);
744
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
144 if(r != OK)
6a988e23ad2a A dirty implementation of removing subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 743
diff changeset
145 THROW_noret("Unknown error");
741
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
146 }
d8764f10e141 Remove a coord from the tree in JS
Thinker K.F. Li <thinker@codemud.net>
parents: 739
diff changeset
147 }
d8764f10e141 Remove a coord from the tree in JS
Thinker K.F. Li <thinker@codemud.net>
parents: 739
diff changeset
148
680
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
149 static void
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
150 xnjsmb_coord_mod(Handle<Object> self, coord_t *coord) {
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
151 Persistent<Object> *self_hdl;
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
152 subject_t *subject;
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
153 Handle<Value> subject_o;
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
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154
680
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
155 /* Keep associated js object in property store for retrieving,
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
156 * later, without create new js object.
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
157 */
743
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Thinker K.F. Li <thinker@codemud.net>
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diff changeset
158 self_hdl = new Persistent<Object>();
dd1f3382d6a4 Create a persistent handle for coords and shapes correctly
Thinker K.F. Li <thinker@codemud.net>
parents: 742
diff changeset
159 *self_hdl = Persistent<Object>::New(self);
680
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
160 mb_prop_set(&coord->obj.props, PROP_JSOBJ, self_hdl);
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
161
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
162 subject = coord->mouse_event;
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
163 subject_o = export_xnjsmb_auto_subject_new(subject);
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
164 SET(self, "mouse_event", subject_o);
741
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Thinker K.F. Li <thinker@codemud.net>
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165 SET(self, "valid", Boolean::New(1));
680
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
166 }
a588eefd3f04 Refactor to xnjsmb_coord_mod().
Thinker K.F. Li <thinker@branda.to>
parents: 667
diff changeset
167
661
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Thinker K.F. Li <thinker@branda.to>
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diff changeset
168 static float
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Thinker K.F. Li <thinker@branda.to>
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diff changeset
169 coord_get_index(coord_t *coord, Handle<Object> self, int idx,
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
170 const char **err) {
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
171 if(idx < 0 || idx >= 6) {
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
172 *err = "Invalid index: out of range";
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
173 return 0;
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
174 }
557
0ca8437a91fa Implement Indexed Property interceptors
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
175
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
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diff changeset
176 return coord_get_matrix(coord)[idx];
557
0ca8437a91fa Implement Indexed Property interceptors
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
177 }
0ca8437a91fa Implement Indexed Property interceptors
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
178
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
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diff changeset
179 static float
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
180 coord_set_index(coord_t *coord, Handle<Object> self,
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
181 int idx, float v, const char **err) {
560
ce7a35abcb0d Function to instantiate coord for Javascript
Thinker K.F. Li <thinker@branda.to>
parents: 557
diff changeset
182 Handle<Object> js_rt;
557
0ca8437a91fa Implement Indexed Property interceptors
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
183 redraw_man_t *rdman;
822
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
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184
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
185 if(idx < 0 || idx >= 6) {
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
186 *err = "Invalid index: out of range";
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
187 return 0;
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
188 }
557
0ca8437a91fa Implement Indexed Property interceptors
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
189
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
190 coord_get_matrix(coord)[idx] = v;
822
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Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
191
560
ce7a35abcb0d Function to instantiate coord for Javascript
Thinker K.F. Li <thinker@branda.to>
parents: 557
diff changeset
192 js_rt = GET(self, "mbrt")->ToObject();
ce7a35abcb0d Function to instantiate coord for Javascript
Thinker K.F. Li <thinker@branda.to>
parents: 557
diff changeset
193 rdman = xnjsmb_rt_rdman(js_rt);
557
0ca8437a91fa Implement Indexed Property interceptors
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
194 rdman_coord_changed(rdman, coord);
0ca8437a91fa Implement Indexed Property interceptors
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
195
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
196 return v;
557
0ca8437a91fa Implement Indexed Property interceptors
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
197 }
560
ce7a35abcb0d Function to instantiate coord for Javascript
Thinker K.F. Li <thinker@branda.to>
parents: 557
diff changeset
198
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
199 static void
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
200 xnjsmb_coord_add_shape(coord_t *coord, Handle<Object> self,
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
201 shape_t *shape, const char **err) {
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
202 Handle<Object> js_rt;
748
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 746
diff changeset
203 Persistent<Object> *shape_hdl;
566
6639d386db78 Function of add a shape to a coord in Javascript.
Thinker K.F. Li <thinker@branda.to>
parents: 563
diff changeset
204 redraw_man_t *rdman;
6639d386db78 Function of add a shape to a coord in Javascript.
Thinker K.F. Li <thinker@branda.to>
parents: 563
diff changeset
205 int r;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
206
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
207 js_rt = GET(self, "mbrt")->ToObject();
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
208 rdman = xnjsmb_rt_rdman(js_rt);
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
209 r = rdman_add_shape(rdman, shape, coord);
566
6639d386db78 Function of add a shape to a coord in Javascript.
Thinker K.F. Li <thinker@branda.to>
parents: 563
diff changeset
210 if(r != 0)
661
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
211 *err = "Unknown error";
748
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 746
diff changeset
212
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 746
diff changeset
213 /* see \ref jsgc */
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 746
diff changeset
214 shape_hdl = (Persistent<Object> *)mb_prop_get(&shape->obj.props,
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 746
diff changeset
215 PROP_JSOBJ);
56a5e08cd8af Make shapes can be removed from the tree
Thinker K.F. Li <thinker@codemud.net>
parents: 746
diff changeset
216 shape_hdl->ClearWeak();
778
61c217f8cec8 Fix bug of transformation from user space to image space.
Thinker K.F. Li <thinker@codemud.net>
parents: 768
diff changeset
217 rdman_shape_changed(rdman, shape);
566
6639d386db78 Function of add a shape to a coord in Javascript.
Thinker K.F. Li <thinker@branda.to>
parents: 563
diff changeset
218 }
6639d386db78 Function of add a shape to a coord in Javascript.
Thinker K.F. Li <thinker@branda.to>
parents: 563
diff changeset
219
741
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Thinker K.F. Li <thinker@codemud.net>
parents: 739
diff changeset
220 static void
745
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
221 xnjsmb_coord_remove(coord_t *coord, Handle<Object> self) {
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
222 Handle<Object> js_rt;
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
223 redraw_man_t *rdman;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
224
745
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
225 if(!GET(self, "valid")->ToBoolean()->Value()) /* Invalidated object */
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
226 THROW_noret("Invalid object");
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
227
745
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
228 js_rt = GET(self, "mbrt")->ToObject();
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
229 rdman = xnjsmb_rt_rdman(js_rt);
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
230
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
231 xnjsmb_coord_invalidate_subtree(coord);
4ccb0553e804 Refactor code of free C objects into xnjsmb_coord_free_subtree
Thinker K.F. Li <thinker@codemud.net>
parents: 744
diff changeset
232 xnjsmb_coord_free_subtree(rdman, coord);
741
d8764f10e141 Remove a coord from the tree in JS
Thinker K.F. Li <thinker@codemud.net>
parents: 739
diff changeset
233 }
d8764f10e141 Remove a coord from the tree in JS
Thinker K.F. Li <thinker@codemud.net>
parents: 739
diff changeset
234
749
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
235 static void
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
236 xnjsmb_coord_show(coord_t *coord, Handle<Object> self) {
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
237 Handle<Object> js_rt;
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
238 redraw_man_t *rdman;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
239
749
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
240 js_rt = GET(self, "mbrt")->ToObject();
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
241 ASSERT(js_rt != NULL);
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
242 rdman = xnjsmb_rt_rdman(js_rt);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
243
749
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
244 coord_show(coord);
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
245 rdman_coord_changed(rdman, coord);
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
246 }
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
247
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
248 static void
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
249 xnjsmb_coord_hide(coord_t *coord, Handle<Object> self) {
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
250 Handle<Object> js_rt;
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
251 redraw_man_t *rdman;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
252
749
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Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
253 js_rt = GET(self, "mbrt")->ToObject();
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
254 ASSERT(js_rt != NULL);
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
255 rdman = xnjsmb_rt_rdman(js_rt);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
256
749
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
257 coord_hide(coord);
ed59e659a202 Implement binding for hide/show for shapes and coords
Thinker K.F. Li <thinker@codemud.net>
parents: 748
diff changeset
258 rdman_coord_changed(rdman, coord);
ed59e659a202 Implement binding for hide/show for shapes and coords
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259 }
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260
810
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261 static void
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262 xnjsmb_coord_set_opacity(Handle<Object> self, coord_t *coord, Handle<Value> value, const char **str)
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263 {
810
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264 Handle<Object> js_rt;
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265 redraw_man_t *rdman;
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266
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267 js_rt = GET(self, "mbrt")->ToObject();
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268 ASSERT(js_rt != NULL);
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269 rdman = xnjsmb_rt_rdman(js_rt);
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270
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271
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272 coord_set_opacity(coord, value->NumberValue());
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273 rdman_coord_changed(rdman, coord);
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274 }
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275
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276 static Handle<Value>
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277 xnjsmb_coord_get_opacity(Handle<Object> self, coord_t *coord,
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278 const char **err) {
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279 float opacity;
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280
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281 opacity = coord_get_opacity(coord);
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282 return Number::New(opacity);
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283 }
379fd510ba38 Define accessor for the opacity attribute of the coord
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284
843
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285 #define cc(i) (coord_get_matrix(coord)[i])
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286 static void
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287 xnjsmb_coord_set_y(Handle<Object> self, coord_t *coord, Handle<Value> value, const char **str)
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288 {
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289 Handle<Object> js_rt;
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290 redraw_man_t *rdman;
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291 co_aix y,ty;
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292 co_aix xx,yy;
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293
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294 js_rt = GET(self, "mbrt")->ToObject();
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295 ASSERT(js_rt != NULL);
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296 rdman = xnjsmb_rt_rdman(js_rt);
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297
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298
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299 ty = value->NumberValue();
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300 xx = GET(self,"_x")->ToNumber()->NumberValue();
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301 yy = GET(self,"_y")->ToNumber()->NumberValue();
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302 y = ty-cc(3)*xx-cc(4)*yy;
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303 coord_get_matrix(coord)[5] = y;
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304 rdman_coord_changed(rdman, coord);
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305 }
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306
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307 static Handle<Value>
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308 xnjsmb_coord_get_y(Handle<Object> self, coord_t *coord,
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309 const char **err) {
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310 co_aix y;
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311 co_aix xx,yy;
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312
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313 xx = GET(self,"_x")->ToNumber()->NumberValue();
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314 yy = GET(self,"_y")->ToNumber()->NumberValue();
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315
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316 y = cc(3)*xx+cc(4)*yy+cc(5);
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317 return Number::New(y);
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318 }
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319 static void
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320 xnjsmb_coord_set_x(Handle<Object> self, coord_t *coord, Handle<Value> value, const char **str)
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321 {
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322 Handle<Object> js_rt;
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323 redraw_man_t *rdman;
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324 co_aix x,tx;
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325 co_aix xx,yy;
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326
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327 xx = GET(self,"_x")->ToNumber()->NumberValue();
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328 yy = GET(self,"_y")->ToNumber()->NumberValue();
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329 js_rt = GET(self, "mbrt")->ToObject();
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330 ASSERT(js_rt != NULL);
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331 rdman = xnjsmb_rt_rdman(js_rt);
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332
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333 tx = value->NumberValue();
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334 x = tx-cc(0)*xx-cc(1)*yy;
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335 coord_get_matrix(coord)[2] = x;
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336 rdman_coord_changed(rdman, coord);
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337 }
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338
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339 static Handle<Value>
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340 xnjsmb_coord_get_x(Handle<Object> self, coord_t *coord,
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wycc
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341 const char **err) {
2bcacd29d95f Define accessor for x and y to implement absolute location
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342 co_aix x;
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343 co_aix xx,yy;
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344
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345 xx = GET(self,"_x")->ToNumber()->NumberValue();
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346 yy = GET(self,"_y")->ToNumber()->NumberValue();
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347
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348 x = cc(0)*xx+cc(1)*yy+cc(2);
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349 return Number::New(x);
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350 }
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351 #undef m
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352
661
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353 #include "coord-inc.h"
562
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354
684
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355 /*! \brief This function used by \ref xnjsmb_mb_rt to wrap coord object.
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diff changeset
356 */
666
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357 Handle<Value> export_xnjsmb_auto_coord_new(coord_t *coord) {
695
763a4e2bbd85 Return the value of ojbject to fix the crash issue
wycc
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diff changeset
358 return xnjsmb_auto_coord_new(coord);
666
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diff changeset
359 }
b6fb543d69ee Use binding generator to implement mb_rt
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diff changeset
360
562
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diff changeset
361 /*! \brief Initialize Javascript object for root coord of a runtime.
1b6402f07cd4 Make root coord availabe for Javascript code
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diff changeset
362 *
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diff changeset
363 * \param js_rt is the runtime object to create the root object for.
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diff changeset
364 *
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diff changeset
365 * After the function, js_rt.root is the object for root coord in
1b6402f07cd4 Make root coord availabe for Javascript code
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366 * Javascript.
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diff changeset
367 */
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diff changeset
368 void
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parents: 560
diff changeset
369 xnjsmb_coord_mkroot(Handle<Object> js_rt) {
1b6402f07cd4 Make root coord availabe for Javascript code
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diff changeset
370 redraw_man_t *rdman;
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diff changeset
371 coord_t *root;
1b6402f07cd4 Make root coord availabe for Javascript code
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diff changeset
372 Handle<Object> obj;
661
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diff changeset
373 static int init_flag = 0;
90c7726bc953 Replace part code of coord.cc by the code generated by generator
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diff changeset
374
90c7726bc953 Replace part code of coord.cc by the code generated by generator
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diff changeset
375 if(!init_flag) {
90c7726bc953 Replace part code of coord.cc by the code generated by generator
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diff changeset
376 xnjsmb_auto_coord_init();
90c7726bc953 Replace part code of coord.cc by the code generated by generator
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diff changeset
377 init_flag = 1;
90c7726bc953 Replace part code of coord.cc by the code generated by generator
Thinker K.F. Li <thinker@branda.to>
parents: 566
diff changeset
378 }
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 810
diff changeset
379
562
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diff changeset
380 rdman = xnjsmb_rt_rdman(js_rt);
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diff changeset
381 root = rdman_get_root(rdman);
661
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diff changeset
382 obj = xnjsmb_auto_coord_new(root).As<Object>();
90c7726bc953 Replace part code of coord.cc by the code generated by generator
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diff changeset
383 SET(obj, "mbrt", js_rt);
562
1b6402f07cd4 Make root coord availabe for Javascript code
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parents: 560
diff changeset
384
1b6402f07cd4 Make root coord availabe for Javascript code
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diff changeset
385 SET(js_rt, "root", obj);
1b6402f07cd4 Make root coord availabe for Javascript code
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parents: 560
diff changeset
386 }
684
b346e4699e55 Add more comment for JS binding
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parents: 680
diff changeset
387
b346e4699e55 Add more comment for JS binding
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parents: 680
diff changeset
388 /* @} */