pengjunjie/core
1
0
Fork 1
mirror of https://github.com/ONLYOFFICE/core.git synced 2026-04-07 13:55:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Move blend functions from library header

Browse Source
This commit is contained in:
Oleg Korshul
2023-12-12 13:55:40 +03:00
parent 72cc8a1566
commit 89059d71bd
4 changed files with 6 additions and 92 deletions
Download Patch File Download Diff File Expand all files Collapse all files

87
DesktopEditor/graphics/GraphicsLayer.h
View File

@ -32,93 +32,6 @@ namespace Aggplus
void SetOpacity(double dOpacity);
void SetOpacity(BYTE uchOpacity);
template <class SrcPixelFormatRenderer>
void BlendTo(SrcPixelFormatRenderer& oSrc)
{
if (NULL == m_pBuffer || 0 == oSrc.width() || 0 == oSrc.height())
return;
typedef typename SrcPixelFormatRenderer::order_type order_type;
typedef typename SrcPixelFormatRenderer::value_type value_type;
int nStep = 4;
BYTE* pSrcBuffer = m_pBuffer;
value_type* pDstBuffer = NULL;
BYTE uchAlpha;
unsigned int unSrcW = oSrc.width();
unsigned int unSrcH = oSrc.height();
for (unsigned int unY = 0; unY < unSrcH; ++unY)
{
pDstBuffer = oSrc.row_ptr(unY);
for (unsigned int unX = 0; unX < unSrcW; ++unX)
{
uchAlpha = (SrcPixelFormatRenderer::base_mask + m_oSettings.m_uchOpacity * pSrcBuffer[order_type::A]) >> 8;
if (uchAlpha)
{
if(uchAlpha == SrcPixelFormatRenderer::base_mask)
{
pDstBuffer[order_type::R] = pSrcBuffer[order_type::R];
pDstBuffer[order_type::G] = pSrcBuffer[order_type::G];
pDstBuffer[order_type::B] = pSrcBuffer[order_type::B];
pDstBuffer[order_type::A] = SrcPixelFormatRenderer::base_mask;
}
else
{
SrcPixelFormatRenderer::blender_type::blend_pix(pDstBuffer, pSrcBuffer[order_type::R], pSrcBuffer[order_type::G], pSrcBuffer[order_type::B], uchAlpha);
}
}
pSrcBuffer += nStep;
pDstBuffer += nStep;
}
}
}
template <class AlphaMaskFunction, class SrcPixelFormatRenderer>
void BlendTo(SrcPixelFormatRenderer& oSrc, BYTE* pAlphaMaskBuffer, UINT unAlphaMaskStep)
{
if (NULL == m_pBuffer || 0 == oSrc.width() || 0 == oSrc.height())
return;
typedef typename SrcPixelFormatRenderer::order_type order_type;
typedef typename SrcPixelFormatRenderer::value_type value_type;
int nStep = 4;
BYTE* pSrcBuffer = m_pBuffer;
value_type* pDstBuffer = NULL;
BYTE* pSrcAlphaMaskBuffer = pAlphaMaskBuffer;
BYTE uchAlpha;
unsigned int unSrcW = oSrc.width();
unsigned int unSrcH = oSrc.height();
for (unsigned int unY = 0; unY < unSrcH; ++unY)
{
pDstBuffer = oSrc.row_ptr(unY);
for (unsigned int unX = 0; unX < unSrcW; ++unX)
{
uchAlpha = ((SrcPixelFormatRenderer::base_mask + m_oSettings.m_uchOpacity * pSrcBuffer[order_type::A] * AlphaMaskFunction::calculate(pSrcAlphaMaskBuffer)) >> 16);
if(uchAlpha == SrcPixelFormatRenderer::base_mask)
{
pDstBuffer[order_type::R] = pSrcBuffer[order_type::R];
pDstBuffer[order_type::G] = pSrcBuffer[order_type::G];
pDstBuffer[order_type::B] = pSrcBuffer[order_type::B];
pDstBuffer[order_type::A] = SrcPixelFormatRenderer::base_mask;
}
else
{
SrcPixelFormatRenderer::blender_type::blend_pix(pDstBuffer, pSrcBuffer[order_type::R], pSrcBuffer[order_type::G], pSrcBuffer[order_type::B], uchAlpha);
}
pSrcBuffer += nStep;
pDstBuffer += nStep;
pSrcAlphaMaskBuffer += unAlphaMaskStep;
}
}
}
private:
BYTE* m_pBuffer;
bool m_bExternalBuffer;