1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>wxWidgets: interface/wx/graphics.h File Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="extra_stylesheet.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="page_container">
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0" style="width: 100%;">
<tbody>
<tr>
<td id="projectlogo">
<a href="http://www.wxwidgets.org/" target="_new">
<img alt="wxWidgets" src="logo.png"/>
</a>
</td>
<td style="padding-left: 0.5em; text-align: right;">
<span id="projectnumber">Version: 3.0.2</span>
</td>
</tr>
</tbody>
</table>
</div>
<!-- Generated by Doxygen 1.8.2 -->
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="pages.html"><span>Related Pages</span></a></li>
<li><a href="modules.html"><span>Categories</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div id="navrow2" class="tabs2">
<ul class="tablist">
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>File Members</span></a></li>
</ul>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="dir_60feedc7276cc318b43f4d4f48ac8f8e.html">interface</a></li><li class="navelem"><a class="el" href="dir_4fb5f442218c03949e30a92e7978b03f.html">wx</a></li> </ul>
</div>
</div><!-- top -->
<div class="header">
<div class="summary">
<a href="#nested-classes">Classes</a> |
<a href="#enum-members">Enumerations</a> |
<a href="#var-members">Variables</a> </div>
<div class="headertitle">
<div class="title">graphics.h File Reference</div> </div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_path.html">wxGraphicsPath</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_graphics_path.html" title="A wxGraphicsPath is a native representation of a geometric path.">wxGraphicsPath</a> is a native representation of a geometric path. <a href="classwx_graphics_path.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_object.html">wxGraphicsObject</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This class is the superclass of native graphics objects like pens etc. <a href="classwx_graphics_object.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_bitmap.html">wxGraphicsBitmap</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Represents a bitmap. <a href="classwx_graphics_bitmap.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_context.html">wxGraphicsContext</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_graphics_context.html" title="A wxGraphicsContext instance is the object that is drawn upon.">wxGraphicsContext</a> instance is the object that is drawn upon. <a href="classwx_graphics_context.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_gradient_stop.html">wxGraphicsGradientStop</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Represents a single gradient stop in a collection of gradient stops as represented by <a class="el" href="classwx_graphics_gradient_stops.html" title="Represents a collection of wxGraphicGradientStop values for use with CreateLinearGradientBrush and Cr...">wxGraphicsGradientStops</a>. <a href="classwx_graphics_gradient_stop.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_gradient_stops.html">wxGraphicsGradientStops</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Represents a collection of wxGraphicGradientStop values for use with CreateLinearGradientBrush and CreateRadialGradientBrush. <a href="classwx_graphics_gradient_stops.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_renderer.html">wxGraphicsRenderer</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_graphics_renderer.html" title="A wxGraphicsRenderer is the instance corresponding to the rendering engine used.">wxGraphicsRenderer</a> is the instance corresponding to the rendering engine used. <a href="classwx_graphics_renderer.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_brush.html">wxGraphicsBrush</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_graphics_brush.html" title="A wxGraphicsBrush is a native representation of a brush.">wxGraphicsBrush</a> is a native representation of a brush. <a href="classwx_graphics_brush.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_font.html">wxGraphicsFont</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_graphics_font.html" title="A wxGraphicsFont is a native representation of a font.">wxGraphicsFont</a> is a native representation of a font. <a href="classwx_graphics_font.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_pen.html">wxGraphicsPen</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_graphics_pen.html" title="A wxGraphicsPen is a native representation of a pen.">wxGraphicsPen</a> is a native representation of a pen. <a href="classwx_graphics_pen.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classwx_graphics_matrix.html">wxGraphicsMatrix</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">A <a class="el" href="classwx_graphics_matrix.html" title="A wxGraphicsMatrix is a native representation of an affine matrix.">wxGraphicsMatrix</a> is a native representation of an affine matrix. <a href="classwx_graphics_matrix.html#details">More...</a><br/></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:a2163cc0b26553eee0e9e7da270518c97"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="graphics_8h.html#a2163cc0b26553eee0e9e7da270518c97">wxAntialiasMode</a> { <br/>
  <a class="el" href="graphics_8h.html#a2163cc0b26553eee0e9e7da270518c97ac02dd8bc9e3348c2b481c5c32d144543">wxANTIALIAS_NONE</a>,
<br/>
  <a class="el" href="graphics_8h.html#a2163cc0b26553eee0e9e7da270518c97a74c389c1fae8caafb5b92e2435ec5cc9">wxANTIALIAS_DEFAULT</a>
<br/>
}</td></tr>
<tr class="memdesc:a2163cc0b26553eee0e9e7da270518c97"><td class="mdescLeft"> </td><td class="mdescRight">Anti-aliasing modes used by <a class="el" href="classwx_graphics_context.html#a51e968476c72d3d77424cb8e11a14d65" title="Sets the antialiasing mode, returns true if it supported.">wxGraphicsContext::SetAntialiasMode()</a>. <a href="graphics_8h.html#a2163cc0b26553eee0e9e7da270518c97">More...</a><br/></td></tr>
<tr class="separator:a2163cc0b26553eee0e9e7da270518c97"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aec2ef7cc43f841ab74155becb8185e18"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="graphics_8h.html#aec2ef7cc43f841ab74155becb8185e18">wxInterpolationQuality</a> { <br/>
  <a class="el" href="graphics_8h.html#aec2ef7cc43f841ab74155becb8185e18a169ad9531b1ad926f173c1404f77268f">wxINTERPOLATION_DEFAULT</a>,
<br/>
  <a class="el" href="graphics_8h.html#aec2ef7cc43f841ab74155becb8185e18ad649cbc43246a85fc5e442eec0260981">wxINTERPOLATION_NONE</a>,
<br/>
  <a class="el" href="graphics_8h.html#aec2ef7cc43f841ab74155becb8185e18a9c23735d6de9e0285312655e2665cd7e">wxINTERPOLATION_FAST</a>,
<br/>
  <a class="el" href="graphics_8h.html#aec2ef7cc43f841ab74155becb8185e18a73b65cf5f62beabc31373a16e57719d3">wxINTERPOLATION_GOOD</a>,
<br/>
  <a class="el" href="graphics_8h.html#aec2ef7cc43f841ab74155becb8185e18ab559b56c86badea660f05f98a3257f38">wxINTERPOLATION_BEST</a>
<br/>
}</td></tr>
<tr class="memdesc:aec2ef7cc43f841ab74155becb8185e18"><td class="mdescLeft"> </td><td class="mdescRight">Interpolation quality used by <a class="el" href="classwx_graphics_context.html#af6ecb449cb732632a8d9b5c285d01b91" title="Sets the interpolation quality, returns true if it is supported.">wxGraphicsContext::SetInterpolationQuality()</a>. <a href="graphics_8h.html#aec2ef7cc43f841ab74155becb8185e18">More...</a><br/></td></tr>
<tr class="separator:aec2ef7cc43f841ab74155becb8185e18"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af26ae47387aa983f2a975b3f85cb9668"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668">wxCompositionMode</a> { <br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668a551dddbf46acefe21ed98984c1715635">wxCOMPOSITION_INVALID</a> = -1,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668a19c9489faa69daa8383af7f9d5bb5c55">wxCOMPOSITION_CLEAR</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668a19a55339fe50cf87cc40e6f675bc8150">wxCOMPOSITION_SOURCE</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668a46fea70da2a1f8cb1151951639c8d07f">wxCOMPOSITION_OVER</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668ad30d4e9dbf0d0367a749a952ec76be6b">wxCOMPOSITION_IN</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668a24a1b11099bbce5e64206d8de2a4014e">wxCOMPOSITION_OUT</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668ae96c0aab326b220e4d5961dd43b10446">wxCOMPOSITION_ATOP</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668a504c9465521237897f92d78fc3e13433">wxCOMPOSITION_DEST</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668ab2bb23f40fbb928f23ae876ad51341b5">wxCOMPOSITION_DEST_OVER</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668ad100155839789ec9acc9b86868deb6df">wxCOMPOSITION_DEST_IN</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668a27f835deced3853c6f8afa22df4d9031">wxCOMPOSITION_DEST_OUT</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668adfc13a049ebba851a055e9325c06a4e1">wxCOMPOSITION_DEST_ATOP</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668ad431fa90722d1ffe644c4a125f00de6b">wxCOMPOSITION_XOR</a>,
<br/>
  <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668a001d285140d452725739bbef4c345e5c">wxCOMPOSITION_ADD</a>
<br/>
}</td></tr>
<tr class="memdesc:af26ae47387aa983f2a975b3f85cb9668"><td class="mdescLeft"> </td><td class="mdescRight">Compositing is done using Porter-Duff compositions (see <a href="http://keithp.com/~keithp/porterduff/p253-porter.pdf">http://keithp.com/~keithp/porterduff/p253-porter.pdf</a>) with <a class="el" href="classwx_graphics_context.html#a08a80e457f7bb28d0394c248de1742ef" title="Sets the compositing operator, returns true if it supported.">wxGraphicsContext::SetCompositionMode()</a>. <a href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668">More...</a><br/></td></tr>
<tr class="separator:af26ae47387aa983f2a975b3f85cb9668"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
Variables</h2></td></tr>
<tr class="memitem:aa5fc8ab1a7757dd5f642b5cb27c1d19d"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classwx_graphics_pen.html">wxGraphicsPen</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="graphics_8h.html#aa5fc8ab1a7757dd5f642b5cb27c1d19d">wxNullGraphicsPen</a></td></tr>
<tr class="separator:aa5fc8ab1a7757dd5f642b5cb27c1d19d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a746222fe384446b63e61e613a03e31a3"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classwx_graphics_brush.html">wxGraphicsBrush</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="graphics_8h.html#a746222fe384446b63e61e613a03e31a3">wxNullGraphicsBrush</a></td></tr>
<tr class="separator:a746222fe384446b63e61e613a03e31a3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac5ae5f0d89ce2102d6ab4a06f2a09a28"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classwx_graphics_font.html">wxGraphicsFont</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="graphics_8h.html#ac5ae5f0d89ce2102d6ab4a06f2a09a28">wxNullGraphicsFont</a></td></tr>
<tr class="separator:ac5ae5f0d89ce2102d6ab4a06f2a09a28"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a11e4bf3e4817ff334ea5ad33a0ea7143"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classwx_graphics_bitmap.html">wxGraphicsBitmap</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="graphics_8h.html#a11e4bf3e4817ff334ea5ad33a0ea7143">wxNullGraphicsBitmap</a></td></tr>
<tr class="separator:a11e4bf3e4817ff334ea5ad33a0ea7143"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a07954c042dc231f9f0edbfa558a7d2cb"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classwx_graphics_matrix.html">wxGraphicsMatrix</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="graphics_8h.html#a07954c042dc231f9f0edbfa558a7d2cb">wxNullGraphicsMatrix</a></td></tr>
<tr class="separator:a07954c042dc231f9f0edbfa558a7d2cb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5e61a130fe29633d1a7c1a7f60043d17"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="classwx_graphics_path.html">wxGraphicsPath</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="graphics_8h.html#a5e61a130fe29633d1a7c1a7f60043d17">wxNullGraphicsPath</a></td></tr>
<tr class="separator:a5e61a130fe29633d1a7c1a7f60043d17"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<h2 class="groupheader">Enumeration Type Documentation</h2>
<a class="anchor" id="a2163cc0b26553eee0e9e7da270518c97"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="graphics_8h.html#a2163cc0b26553eee0e9e7da270518c97">wxAntialiasMode</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>Anti-aliasing modes used by <a class="el" href="classwx_graphics_context.html#a51e968476c72d3d77424cb8e11a14d65" title="Sets the antialiasing mode, returns true if it supported.">wxGraphicsContext::SetAntialiasMode()</a>. </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="a2163cc0b26553eee0e9e7da270518c97ac02dd8bc9e3348c2b481c5c32d144543"></a>wxANTIALIAS_NONE</em> </td><td>
<p>No anti-aliasing. </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="a2163cc0b26553eee0e9e7da270518c97a74c389c1fae8caafb5b92e2435ec5cc9"></a>wxANTIALIAS_DEFAULT</em> </td><td>
<p>The default anti-aliasing. </p>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="graphics_8h.html#af26ae47387aa983f2a975b3f85cb9668">wxCompositionMode</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>Compositing is done using Porter-Duff compositions (see <a href="http://keithp.com/~keithp/porterduff/p253-porter.pdf">http://keithp.com/~keithp/porterduff/p253-porter.pdf</a>) with <a class="el" href="classwx_graphics_context.html#a08a80e457f7bb28d0394c248de1742ef" title="Sets the compositing operator, returns true if it supported.">wxGraphicsContext::SetCompositionMode()</a>. </p>
<p>The description give a short equation on how the values of a resulting pixel are calculated. <em>R</em> = Result, <em>S</em> = Source, <em>D</em> = Destination, colors premultiplied with alpha <em>Ra</em>, <em>Sa</em>, <em>Da</em> their alpha components </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668a551dddbf46acefe21ed98984c1715635"></a>wxCOMPOSITION_INVALID</em> </td><td>
<p>Indicates invalid or unsupported composition mode. </p>
<p>This value can't be passed to <a class="el" href="classwx_graphics_context.html#a08a80e457f7bb28d0394c248de1742ef" title="Sets the compositing operator, returns true if it supported.">wxGraphicsContext::SetCompositionMode()</a>.</p>
<dl class="section since"><dt>Since</dt><dd>2.9.2 </dd></dl>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668a19c9489faa69daa8383af7f9d5bb5c55"></a>wxCOMPOSITION_CLEAR</em> </td><td>
<p><em>R</em> = 0 </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668a19a55339fe50cf87cc40e6f675bc8150"></a>wxCOMPOSITION_SOURCE</em> </td><td>
<p><em>R</em> = S </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668a46fea70da2a1f8cb1151951639c8d07f"></a>wxCOMPOSITION_OVER</em> </td><td>
<p><em>R</em> = <em>S</em> + <em>D*</em>(1 - <em>Sa</em>) </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668ad30d4e9dbf0d0367a749a952ec76be6b"></a>wxCOMPOSITION_IN</em> </td><td>
<p><em>R</em> = <em>S*<em>Da</em> </em> </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668a24a1b11099bbce5e64206d8de2a4014e"></a>wxCOMPOSITION_OUT</em> </td><td>
<p><em>R</em> = <em>S*</em>(1 - <em>Da</em>) </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668ae96c0aab326b220e4d5961dd43b10446"></a>wxCOMPOSITION_ATOP</em> </td><td>
<p><em>R</em> = <em>S*<em>Da</em> +</em> <em>D*</em>(1 - <em>Sa</em>) </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668a504c9465521237897f92d78fc3e13433"></a>wxCOMPOSITION_DEST</em> </td><td>
<p><em>R</em> = <em>D</em>, essentially a noop </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668ab2bb23f40fbb928f23ae876ad51341b5"></a>wxCOMPOSITION_DEST_OVER</em> </td><td>
<p><em>R</em> = <em>S*</em>(1 - <em>Da</em>) + <em>D</em> </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668ad100155839789ec9acc9b86868deb6df"></a>wxCOMPOSITION_DEST_IN</em> </td><td>
<p><em>R</em> = <em>D*<em>Sa</em> </em> </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668a27f835deced3853c6f8afa22df4d9031"></a>wxCOMPOSITION_DEST_OUT</em> </td><td>
<p><em>R</em> = <em>D*</em>(1 - <em>Sa</em>) </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668adfc13a049ebba851a055e9325c06a4e1"></a>wxCOMPOSITION_DEST_ATOP</em> </td><td>
<p><em>R</em> = <em>S*</em>(1 - <em>Da</em>) + <em>D*<em>Sa</em> </em> </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668ad431fa90722d1ffe644c4a125f00de6b"></a>wxCOMPOSITION_XOR</em> </td><td>
<p><em>R</em> = <em>S*</em>(1 - <em>Da</em>) + <em>D*</em>(1 - <em>Sa</em>) </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="af26ae47387aa983f2a975b3f85cb9668a001d285140d452725739bbef4c345e5c"></a>wxCOMPOSITION_ADD</em> </td><td>
<p><em>R</em> = <em>S</em> + <em>D</em> </p>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="aec2ef7cc43f841ab74155becb8185e18"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="graphics_8h.html#aec2ef7cc43f841ab74155becb8185e18">wxInterpolationQuality</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>Interpolation quality used by <a class="el" href="classwx_graphics_context.html#af6ecb449cb732632a8d9b5c285d01b91" title="Sets the interpolation quality, returns true if it is supported.">wxGraphicsContext::SetInterpolationQuality()</a>. </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="aec2ef7cc43f841ab74155becb8185e18a169ad9531b1ad926f173c1404f77268f"></a>wxINTERPOLATION_DEFAULT</em> </td><td>
<p>default interpolation, based on type of context, in general medium quality </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="aec2ef7cc43f841ab74155becb8185e18ad649cbc43246a85fc5e442eec0260981"></a>wxINTERPOLATION_NONE</em> </td><td>
<p>no interpolation </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="aec2ef7cc43f841ab74155becb8185e18a9c23735d6de9e0285312655e2665cd7e"></a>wxINTERPOLATION_FAST</em> </td><td>
<p>fast interpolation, suited for interactivity </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="aec2ef7cc43f841ab74155becb8185e18a73b65cf5f62beabc31373a16e57719d3"></a>wxINTERPOLATION_GOOD</em> </td><td>
<p>better quality </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="aec2ef7cc43f841ab74155becb8185e18ab559b56c86badea660f05f98a3257f38"></a>wxINTERPOLATION_BEST</em> </td><td>
<p>best quality, not suited for interactivity </p>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Variable Documentation</h2>
<a class="anchor" id="a11e4bf3e4817ff334ea5ad33a0ea7143"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="classwx_graphics_bitmap.html">wxGraphicsBitmap</a> wxNullGraphicsBitmap</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="a746222fe384446b63e61e613a03e31a3"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="classwx_graphics_brush.html">wxGraphicsBrush</a> wxNullGraphicsBrush</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ac5ae5f0d89ce2102d6ab4a06f2a09a28"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="classwx_graphics_font.html">wxGraphicsFont</a> wxNullGraphicsFont</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="a07954c042dc231f9f0edbfa558a7d2cb"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="classwx_graphics_matrix.html">wxGraphicsMatrix</a> wxNullGraphicsMatrix</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="a5e61a130fe29633d1a7c1a7f60043d17"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="classwx_graphics_path.html">wxGraphicsPath</a> wxNullGraphicsPath</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="aa5fc8ab1a7757dd5f642b5cb27c1d19d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="classwx_graphics_pen.html">wxGraphicsPen</a> wxNullGraphicsPen</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
</div><!-- contents -->
<address class="footer">
<small>
Generated on Thu Nov 27 2014 13:46:41 for wxWidgets by <a href="http://www.doxygen.org/index.html" target="_new">Doxygen</a> 1.8.2
</small>
</address>
<script src="wxwidgets.js" type="text/javascript"></script>
</div><!-- #page_container -->
</body>
</html>
|
