50 lines
2.4 KiB
C++
50 lines
2.4 KiB
C++
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#include "../VTUtils.hpp"
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#include "../CK2/CKTypes.hpp"
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#include "VxTypes.hpp"
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namespace LibCmo::VxMath {
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// ========== Structure copying ==========
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/**
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* @brief Fills a memory buffer with a source buffer pattern.
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* @param Count[in] Number of element to set in the destination buffer
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* @param Dst[out] Destination buffer
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* @param Stride[in] Amount in bytes between each element in the destination buffer
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* @param SizeSrc[in] Size in bytes (but must be a multiple of 4) of an element int the Src buffer
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* @param Src[in] Source buffer
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* @remark This function can be used to initialized an array of structure when only some members should be modified.
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*/
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void VxFillStructure(CK2::CKDWORD Count, void* Dst, CK2::CKDWORD Stride, CK2::CKDWORD SizeSrc, const void* Src);
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/**
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* @brief copies an array of elements between two memory buffers.
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* @param Count[in] Number of element to copy in the destination buffer
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* @param Dst[out] Destination buffer
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* @param OutStride[in] Amount in bytes between each element in the destination buffer
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* @param SizeSrc[in] Size in bytes (but must be a multiple of 4) of an element
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* @param Src[in] Source buffer.
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* @param InStride[in] Amount in bytes between each element in the source buffer
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* @remark This function can be used to initialized an array of structure when only some members should be modified.
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*/
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void VxCopyStructure(CK2::CKDWORD Count, void* Dst, CK2::CKDWORD OutStride, CK2::CKDWORD SizeSrc, const void* Src,CK2::CKDWORD InStride);
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// ========== Graphic Utilities ==========
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/**
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* @brief Sets the alpha component of an image.
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* @param dst_desc[in] A pointer to a structure describing the destination image format.
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* @param AlphaValue[in] A CKBYTE value containing the alpha value to set to the whole image
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* @remark If the destination image does not have alpha information the function returns immediatly.
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*/
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void VxDoAlphaBlit(const VxImageDescEx* dst_desc, CK2::CKBYTE AlphaValue);
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/**
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* @brief Sets the alpha component of an image.
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* @param dst_desc[in] A pointer to a structure describing the destination image format.
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* @param AlphaValues[in] A BYTE array containing the alpha values for each pixel. This array should be allocated to Width*Height bytes.
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* @remark If the destination image does not have alpha information the function returns immediatly.
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*/
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void VxDoAlphaBlit(const VxImageDescEx* dst_desc, CK2::CKBYTE* AlphaValues);
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}
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