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83 lines
2.3 KiB
C++
83 lines
2.3 KiB
C++
#pragma once
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#include "Types.h"
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#include "Utils.h"
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namespace Jpeg2000
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{
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//-------------------------------------------------------------------------------------------------------------------------------
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// Image
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//-------------------------------------------------------------------------------------------------------------------------------
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Image* Image_CreateEmpty()
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{
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Image *pImage = (Image*)Malloc(sizeof(Image));
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return pImage;
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}
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void Image_Destroy(Image *pImage)
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{
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if (pImage)
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{
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if (pImage->pComponents)
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{
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for (int nIndex = 0; nIndex < pImage->nCsiz; nIndex++)
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{
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ImageComponent *pImageComp = &pImage->pComponents[nIndex];
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Free(pImageComp->pData);
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}
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Free(pImage->pComponents);
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}
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Free(pImage);
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}
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}
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Image* Image_Create(int nComponentsCount, ImageComponentParams *pCompParams, ColorSpace eColorSpace)
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{
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Image *pImage = NULL;
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pImage = (Image*)Malloc(sizeof(Image));
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if (pImage)
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{
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pImage->eColorSpace = eColorSpace;
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pImage->nCsiz = nComponentsCount;
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// Выделяем память под компоненты
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pImage->pComponents = (ImageComponent*)Malloc(pImage->nCsiz * sizeof(ImageComponent));
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if (!pImage->pComponents)
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{
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Image_Destroy(pImage);
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return NULL;
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}
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for (int nCurComponent = 0; nCurComponent < nComponentsCount; nCurComponent++)
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{
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ImageComponent *pComponent = &pImage->pComponents[nCurComponent];
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pComponent->nXRsiz = pCompParams[nCurComponent].nXRsiz;
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pComponent->nYRsiz = pCompParams[nCurComponent].nYRsiz;
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pComponent->nWidth = pCompParams[nCurComponent].nWidth;
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pComponent->nHeight = pCompParams[nCurComponent].nHeight;
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pComponent->nXOsiz = pCompParams[nCurComponent].nXoffset;
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pComponent->nYOsiz = pCompParams[nCurComponent].nYoffset;
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pComponent->nPrecision = pCompParams[nCurComponent].nPrecision;
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pComponent->nBPP = pCompParams[nCurComponent].nBPP;
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pComponent->nSigned = pCompParams[nCurComponent].nSigned;
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pComponent->pData = (int*)Malloc(pComponent->nWidth * pComponent->nHeight * sizeof(int));
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if (!pComponent->pData)
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{
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Image_Destroy(pImage);
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return NULL;
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}
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}
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}
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else
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{
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// TO DO: Выдать сообщение об ошибке
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}
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return pImage;
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}
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} |