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106 lines
2.4 KiB
C++
106 lines
2.4 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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// Description : Image implementation,
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#include "EditorDefs.h"
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#include "Image.h"
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bool CImageEx::ConvertToFloatImage(CFloatImage& dstImage)
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{
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uint32 pixelMask;
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float intToFloat;
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switch (GetFormat())
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{
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case eTF_Unknown:
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case eTF_R8G8B8A8:
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pixelMask = std::numeric_limits<uint8>::max();
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intToFloat = static_cast<float>(pixelMask);
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break;
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case eTF_R16G16:
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pixelMask = std::numeric_limits<uint16>::max();
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intToFloat = static_cast<float>(pixelMask);
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break;
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default:
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return false;
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break;
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}
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dstImage.Allocate(GetWidth(), GetHeight());
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uint32* srcPixel = GetData();
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float* dstPixel = dstImage.GetData();
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for (int pixel = 0; pixel < (GetHeight() * GetWidth()); pixel++)
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{
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dstPixel[pixel] = clamp_tpl(static_cast<float>(srcPixel[pixel] & pixelMask) / intToFloat, 0.0f, 1.0f);
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}
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return true;
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}
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void CImageEx::SwapRedAndBlue()
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{
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if (!IsValid())
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{
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return;
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}
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// Set the loop pointers
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uint32* pPixData = GetData();
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uint32* pPixDataEnd = pPixData + GetWidth() * GetHeight();
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// Switch R and B
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while (pPixData != pPixDataEnd)
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{
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// Extract the bits, shift them, put them back and advance to the next pixel
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*pPixData = (*pPixData & 0xFF000000) | ((*pPixData & 0x00FF0000) >> 16) | (*pPixData & 0x0000FF00) | ((*pPixData & 0x000000FF) << 16);
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++pPixData;
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}
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}
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void CImageEx::ReverseUpDown()
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{
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if (!IsValid())
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{
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return;
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}
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uint32* pPixData = GetData();
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uint32* pReversePix = new uint32[GetWidth() * GetHeight()];
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for (int i = GetHeight() - 1, i2 = 0; i >= 0; i--, i2++)
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{
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for (int k = 0; k < GetWidth(); k++)
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{
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pReversePix[i2 * GetWidth() + k] = pPixData[i * GetWidth() + k];
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}
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}
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Attach(pReversePix, GetWidth(), GetHeight());
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}
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void CImageEx::FillAlpha(unsigned char value)
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{
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if (!IsValid())
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{
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return;
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}
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// Set the loop pointers
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uint32* pPixData = GetData();
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uint32* pPixDataEnd = pPixData + GetWidth() * GetHeight();
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while (pPixData != pPixDataEnd)
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{
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*pPixData = (*pPixData & 0x00FFFFFF) | (value << 24);
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++pPixData;
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}
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}
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