diff options
Diffstat (limited to 'src/util.cpp')
-rw-r--r-- | src/util.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/util.cpp b/src/util.cpp new file mode 100644 index 0000000..f0c39fd --- /dev/null +++ b/src/util.cpp | |||
@@ -0,0 +1,30 @@ | |||
1 | #include "util.h" | ||
2 | |||
3 | std::string slurp(std::ifstream& in) | ||
4 | { | ||
5 | std::stringstream sstr; | ||
6 | sstr << in.rdbuf(); | ||
7 | return sstr.str(); | ||
8 | } | ||
9 | |||
10 | void flipImageData( | ||
11 | unsigned char* data, | ||
12 | int width, | ||
13 | int height, | ||
14 | int comps) | ||
15 | { | ||
16 | unsigned char* dataCopy = new unsigned char[width * height * comps]; | ||
17 | memcpy(dataCopy, data, width * height * comps); | ||
18 | |||
19 | int rowSize = width * comps; | ||
20 | |||
21 | for (int i = 0; i < height; i++) | ||
22 | { | ||
23 | memcpy( | ||
24 | data + (rowSize * i), | ||
25 | dataCopy + (rowSize * (height - i - 1)), | ||
26 | rowSize); | ||
27 | } | ||
28 | |||
29 | delete[] dataCopy; | ||
30 | } | ||