1 /*
2  * FTGL - OpenGL font library
3  *
4  * Copyright (c) 2008 Sam Hocevar <sam@zoy.org>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining
7  * a copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sublicense, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be
15  * included in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
21  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  */
25 
26 #include "config.h"
27 
28 #include "FTGL/ftgl.h"
29 
30 
FTBuffer()31 FTBuffer::FTBuffer()
32  : width(0),
33    height(0),
34    pixels(0),
35    pos(FTPoint())
36 {
37 }
38 
39 
~FTBuffer()40 FTBuffer::~FTBuffer()
41 {
42     if(pixels)
43     {
44         delete[] pixels;
45     }
46 }
47 
48 
Size(int w,int h)49 void FTBuffer::Size(int w, int h)
50 {
51     if(w == width && h == height)
52     {
53         return;
54     }
55 
56     if(w * h != width * height)
57     {
58         if(pixels)
59         {
60             delete[] pixels;
61         }
62         pixels = new unsigned char[w * h];
63     }
64 
65     memset(pixels, 0, w * h);
66     width = w;
67     height = h;
68 }
69 
70