88 lines
3.8 KiB
C++
88 lines
3.8 KiB
C++
#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 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(CKDWORD Count, void* Dst, CKDWORD Stride, 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 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(CKDWORD Count, void* Dst, CKDWORD OutStride, CKDWORD SizeSrc, const void* Src, CKDWORD InStride);
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// ========== Graphic Utilities ==========
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/**
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* @brief Performs a blit between two images. This method can resize (shrink or grow) images.
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* @remark The source image must be in a 32 bit ARGB8888 per pixel format.
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* @param dest[out] The dest image.
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* @param origin[in] The origin image.
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*/
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void VxDoBlit(const VxImageDescEx* origin, VxImageDescEx* dst);
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/**
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* @brief Performs a blit between two images. This method can inverts the destination image.
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* @remark
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+ The source image must be in a 32 bit ARGB8888 per pixel format.
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+ This function usually used in the covertion between texture coordinate
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system and UV coordinate system.
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* @param dest[out] The dest image.
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* @param origin[in] The origin image.
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*/
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void VxDoBlitUpsideDown(const VxImageDescEx* origin, VxImageDescEx* dst);
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/**
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* @brief Counts number of bits to representing a value in dwMask
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*/
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CKDWORD VxGetBitCount(CKDWORD dwMask);
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/**
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* @brief Counts number of bits to shift to acces a non zero value in dwMask.
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*/
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CKDWORD VxGetBitShift(CKDWORD dwMask);
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///**
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// * @brief scale the integer to a new range.
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// * @param val The int need to be scale
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// * @param srcBitCount The bit count which source integer consumed.
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// * @param dstBitCount The bit count which dest integer consumed.
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// * @remark This function usually used in image color factor assign with mask.
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// * @return The result integer.
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//*/
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//CKDWORD VxScaleFactor(CKDWORD val, CKDWORD srcBitCount, CKDWORD dstBitCount);
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/**
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* @brief Sets the alpha component of an image.
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* @remark The source image must be in a 32 bit ARGB8888 per pixel format.
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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(VxImageDescEx* dst_desc, CKBYTE AlphaValue);
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/**
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* @brief Sets the alpha component of an image.
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* @remark The source image must be in a 32 bit ARGB8888 per pixel format.
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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(VxImageDescEx* dst_desc, CKBYTE* AlphaValues);
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}
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