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| author | John Firebaugh <john.firebaugh@gmail.com> | 2017-02-10 17:18:18 -0800 |
|---|---|---|
| committer | John Firebaugh <john.firebaugh@gmail.com> | 2017-02-14 12:29:01 -0600 |
| commit | 94f011895c8e1bde36ee2ec235dbbcf2c994ac4c (patch) | |
| tree | 9a9724792f87eb3c74aa2ac3d3114ca45d91471b /include/mbgl/util/size.hpp | |
| parent | c6d5eaf47941162ee6166842d5434a0e3a6c33a0 (diff) | |
| download | qtlocation-mapboxgl-94f011895c8e1bde36ee2ec235dbbcf2c994ac4c.tar.gz | |
[core] Make Image safer
Provide Image::copy, which handles copying rectangles from a source to a destination, with thorough bounds checking.
Also fixes an indexing error in SpriteAtlas, where the top row of pixels in a wrapped image was copied from the wrong source row.
Diffstat (limited to 'include/mbgl/util/size.hpp')
| -rw-r--r-- | include/mbgl/util/size.hpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/mbgl/util/size.hpp b/include/mbgl/util/size.hpp index 1af85bcff5..79679a92fb 100644 --- a/include/mbgl/util/size.hpp +++ b/include/mbgl/util/size.hpp @@ -13,6 +13,10 @@ public: constexpr Size(const uint32_t width_, const uint32_t height_) : width(width_), height(height_) { } + constexpr uint32_t area() const { + return width * height; + } + constexpr explicit operator bool() const { return width > 0 && height > 0; } |