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Fixed a bug in Image::Buffer that would return the wrong location in the image if the image had > 1 channels (and if the request were for x > 0).

This commit is contained in:
Mike Dussault 2021-09-15 10:13:02 -07:00
parent 1ee85caaae
commit 3f97df72c8
1 changed files with 1 additions and 1 deletions
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src/zm_image.h
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@ -181,7 +181,7 @@ class Image {
/* Internal buffer should not be modified from functions outside of this class */ /* Internal buffer should not be modified from functions outside of this class */
inline const uint8_t* Buffer() const { return buffer; } inline const uint8_t* Buffer() const { return buffer; }
inline const uint8_t* Buffer(unsigned int x, unsigned int y=0) const { return &buffer[(y*linesize)+x]; } inline const uint8_t* Buffer(unsigned int x, unsigned int y=0) const { return &buffer[(y*linesize) + x*colours]; }
/* Request writeable buffer */ /* Request writeable buffer */
uint8_t* WriteBuffer(const unsigned int p_width, const unsigned int p_height, const unsigned int p_colours, const unsigned int p_subpixelorder); uint8_t* WriteBuffer(const unsigned int p_width, const unsigned int p_height, const unsigned int p_colours, const unsigned int p_subpixelorder);
// Is only acceptable on a pre-allocated buffer // Is only acceptable on a pre-allocated buffer