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Yajbir Singh f1b860b25c
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/*
* (c) Copyright Ascensio System SIA 2010-2023
*
* This program is a free software product. You can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License (AGPL)
* version 3 as published by the Free Software Foundation. In accordance with
* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
* that Ascensio System SIA expressly excludes the warranty of non-infringement
* of any third-party rights.
*
* This program is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
*
* You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
* street, Riga, Latvia, EU, LV-1050.
*
* The interactive user interfaces in modified source and object code versions
* of the Program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU AGPL version 3.
*
* Pursuant to Section 7(b) of the License you must retain the original Product
* logo when distributing the program. Pursuant to Section 7(e) we decline to
* grant you any rights under trademark law for use of our trademarks.
*
* All the Product's GUI elements, including illustrations and icon sets, as
* well as technical writing content are licensed under the terms of the
* Creative Commons Attribution-ShareAlike 4.0 International. See the License
* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
*
*/
#include "Graphics.h"
#include <algorithm>
#include "../fontengine/FontFile.h"
namespace Aggplus
{
CGraphics::CGraphics()
{
m_pPixels = NULL;
m_pDib = NULL;
m_dWidthPix = 0;
m_dHeightPix = 0;
m_dDpiX = 72.0;
m_dDpiY = 72.0;
m_ePageUnits = UnitPixel;
m_bIntegerGrid = false;
#ifdef _WINDOWS_GDIPLUS_USE_
m_pBitmap = NULL;
m_pGraphics = NULL;
m_oInitGdiplus.Init();
#endif
m_dGlobalAlpha = 1.0;
m_bSwapRGB = false;
m_bIsDarkMode = false;
#if defined (_LINUX) || defined (_QT)
m_bSwapRGB = true;
#endif
m_dDpiTile = -1;
m_pAlphaMask = NULL;
m_pSoftMask = NULL;
m_nTextRenderMode = FT_RENDER_MODE_NORMAL;
m_nBlendMode = agg::comp_op_src_over;
m_bIs0PenWidthAs1px = false;
}
CGraphics::CGraphics(int dwWidth, int dwHeight, int stride, BYTE* pBuffer) : m_dwConfigFlags(0)
{
m_dWidthPix = 0;
m_dHeightPix = 0;
m_dDpiX = 72.0;
m_dDpiY = 72.0;
m_ePageUnits = UnitPixel;
m_pPixels = NULL;
m_bIntegerGrid = false;
Create(pBuffer, dwWidth, dwHeight, stride, 0);
m_dGlobalAlpha = 1.0;
#ifdef _WINDOW_GDIPLUS_USE_
m_pBitmap = NULL;
m_pGraphics = NULL;
#endif
m_bSwapRGB = false;
#if defined (_LINUX) || defined (_QT)
m_bSwapRGB = true;
#endif
m_dDpiTile = -1;
m_pAlphaMask = NULL;
m_pSoftMask = NULL;
m_nTextRenderMode = FT_RENDER_MODE_NORMAL;
m_nBlendMode = agg::comp_op_src_over;
m_bIs0PenWidthAs1px = false;
}
CGraphics::CGraphics(CImage* pImage) : m_dwConfigFlags(0)
{
m_dGlobalAlpha = 1.0;
if (!pImage)
{
return;
}
m_dWidthPix = 0;
m_dHeightPix = 0;
m_dDpiX = 72.0;
m_dDpiY = 72.0;
m_ePageUnits = UnitPixel;
m_pPixels = NULL;
m_bIntegerGrid = false;
Create(pImage->m_pImgData, pImage->GetWidth(), pImage->GetHeight(), pImage->m_nStride, 0);
#ifdef _WINDOW_GDIPLUS_USE_
m_pBitmap = NULL;
m_pGraphics = NULL;
#endif
m_bSwapRGB = false;
#if defined (_LINUX) || defined (_QT)
m_bSwapRGB = true;
#endif
m_dDpiTile = -1;
m_pAlphaMask = NULL;
m_pSoftMask = NULL;
m_nTextRenderMode = FT_RENDER_MODE_NORMAL;
m_nBlendMode = agg::comp_op_src_over;
m_bIs0PenWidthAs1px = false;
}
CGraphics::~CGraphics()
{
#ifdef _WINDOW_GDIPLUS_USE_
RELEASEOBJECT(m_pGraphics);
RELEASEOBJECT(m_pBitmap);
#endif
RELEASEINTERFACE(m_pAlphaMask);
RELEASEINTERFACE(m_pSoftMask);
while (!m_arLayers.empty())
{
RELEASEINTERFACE(m_arLayers.top());
m_arLayers.pop();
}
}
INT CGraphics::IsDib()
{
return (NULL != m_pDib);
}
Status CGraphics::Create(BYTE* pPixels, int lWidth, int lHeight, int lStride, LONG lPitch)
{
if (lStride < 0)
{
//BYTE* pBuffer = pPixels + (lHeight - 1) * lStride;
//m_frame_buffer.create(lWidth, lHeight, false, lStride, pBuffer);
m_frame_buffer.create(lWidth, lHeight, false, lStride, pPixels);
}
else
{
m_frame_buffer.create(lWidth, lHeight, false, lStride, pPixels);
}
m_dWidthPix = (double)lWidth;
m_dHeightPix = (double)lHeight;
m_rasterizer.get_rasterizer().clip_box(0, 0, m_dWidthPix, m_dHeightPix);
m_rasterizer.get_rasterizer().gamma(agg::gamma_none());
m_dClipLeft = 0;
m_dClipTop = 0;
m_dClipWidth = m_dWidthPix;
m_dClipHeight = m_dHeightPix;
m_oClip.Create(lWidth, lHeight);
UpdateUnits();
return Ok;
}
Status CGraphics::Create2(BYTE* pPixels, int lWidth, int lHeight, int lStride, LONG lPitch, LONG x, LONG y, LONG w, LONG h, double dW, double dH, CDIB* pDib)
{
if (lStride < 0)
{
m_frame_buffer.create(lWidth, lHeight, false, lStride, pPixels);
}
else
{
m_frame_buffer.create(lWidth, lHeight, false, lStride, pPixels);
}
m_dWidthPix = (double)dW;
m_dHeightPix = (double)dH;
m_rasterizer.get_rasterizer().clip_box(x, y, w + x, h + y);
m_rasterizer.get_rasterizer().gamma(agg::gamma_none());
m_dClipLeft = x;
m_dClipTop = y;
m_dClipWidth = w;
m_dClipHeight = h;
m_oClip.Create(lWidth, lHeight);
UpdateUnits();
#ifdef _WINDOW_GDIPLUS_USE_
RELEASEOBJECT(m_pGraphics);
RELEASEOBJECT(m_pBitmap);
#endif
BYTE* pBuffer = pPixels;
if (0 > lStride)
{
// переворачиваем изображение для GDI+
pBuffer += 4 * lWidth * (lHeight - 1);
}
#ifdef _WINDOW_GDIPLUS_USE_
m_pBitmap = new Gdiplus::Bitmap(lWidth, lHeight, lStride, PixelFormat32bppARGB, pBuffer);
m_pGraphics = new Gdiplus::Graphics(m_pBitmap);
m_pGraphics->SetTextRenderingHint(Gdiplus::TextRenderingHintAntiAlias);
m_pGraphics->SetSmoothingMode(Gdiplus::SmoothingModeAntiAlias);
#endif
m_pPixels = pPixels;
m_pDib = pDib;
return Ok;
}
Status CGraphics::CreatePart(LONG lLeft, LONG lTop, LONG lWidth, LONG lHeight, CGraphics** ppPart)
{
// здесь минимум кода. Просто сделать дубликат - и выставить ему правильные границы.
// а потом уже и dpi и все настройки.
return Ok;
}
double CGraphics::GetDpiX()
{
return m_dDpiX;
}
double CGraphics::GetDpiY()
{
return m_dDpiY;
}
Status CGraphics::SetDpiX(double dDpiX)
{
if (dDpiX != m_dDpiX)
{
m_dDpiX = dDpiX;
}
return Ok;
}
Status CGraphics::SetDpiY(double dDpiY)
{
if (dDpiY != m_dDpiY)
{
m_dDpiY = dDpiY;
}
return Ok;
}
Status CGraphics::SetPageWidth(double lWidth, LONG lUnit)
{
// вычисилить dpi и выставить его
switch (lUnit)
{
case UnitPoint:
{
lWidth /= c_ag_Inch_to_Point;
SetDpiX(m_dWidthPix / lWidth);
break;
}
case UnitMillimeter:
{
lWidth /= c_ag_Inch_to_MM;
SetDpiX(m_dWidthPix / lWidth);
break;
}
case UnitInch:
{
SetDpiX(m_dWidthPix / lWidth);
break;
}
default:
break;
};
return Ok;
}
Status CGraphics::SetPageHeight(double lHeight, LONG lUnit)
{
// вычисилить dpi и выставить его
switch (lUnit)
{
case UnitPoint:
{
lHeight /= c_ag_Inch_to_Point;
SetDpiY(m_dHeightPix / lHeight);
break;
}
case UnitMillimeter:
{
lHeight /= c_ag_Inch_to_MM;
SetDpiY(m_dHeightPix / lHeight);
break;
}
case UnitInch:
{
SetDpiY(m_dHeightPix / lHeight);
break;
}
default:
break;
};
return Ok;
}
Unit CGraphics::GetPageUnit()
{
return m_ePageUnits;
}
Status CGraphics::SetPageUnit(Unit lUnits)
{
m_ePageUnits = lUnits;
UpdateUnits();
return Ok;
}
CMatrix* CGraphics::GetTransform()
{
return &m_oTransform;
}
Status CGraphics::SetTransform(CMatrix* pTransform)
{
m_oTransform = *pTransform;
return Ok;
}
CMatrix* CGraphics::GetBaseTransform()
{
return &m_oBaseTransform;
}
Status CGraphics::SetBaseTransform(CMatrix* pTransform)
{
m_oBaseTransform = *pTransform;
return Ok;
}
Status CGraphics::TranslateTransform(double x, double y, MatrixOrder order)
{
m_oTransform.Translate(x, y, order);
return Ok;
}
Status CGraphics::RotateTransform(double dAngle, MatrixOrder order)
{
m_oTransform.Rotate(dAngle, order);
return Ok;
}
Status CGraphics::ScaleTransform(double dScaleX, double dScaleY, MatrixOrder order)
{
m_oTransform.Scale(dScaleX, dScaleY, order);
return Ok;
}
Status CGraphics::ShearTransform(double shearX, double shearY, MatrixOrder order)
{
m_oTransform.Shear(shearX, shearY, order);
return Ok;
}
Status CGraphics::MultiplyTransform(CMatrix* pMatrix, MatrixOrder order)
{
m_oTransform.Multiply(pMatrix, order);
return Ok;
}
// функции отсечения
Status CGraphics::SetClipRect(double dLeft, double dTop, double dWidth, double dHeight)
{
double dx1 = dLeft;
double dy1 = dTop;
double dx2 = dLeft + dWidth;
double dy2 = dTop + dHeight;
m_oFullTransform.TransformPoint(dx1, dy1);
m_oFullTransform.TransformPoint(dx2, dy2);
m_dClipLeft = std::max(0.0, dx1);
m_dClipTop = std::max(0.0, dy1);
m_dClipWidth = std::min(dx2, m_dWidthPix - 1) - m_dClipLeft;
m_dClipHeight = std::min(dy2, m_dHeightPix - 1) - m_dClipTop;
m_oClip.Reset();
return Ok;
}
Status CGraphics::SetClipRect2(double dLeft, double dTop, double dWidth, double dHeight)
{
m_dClipLeft = std::max(0.0, dLeft);
m_dClipTop = std::max(0.0, dTop);
m_dClipWidth = std::min(dWidth, m_dWidthPix - 1 - m_dClipLeft);
m_dClipHeight = std::min(dHeight, m_dHeightPix - 1 - m_dClipTop);
m_rasterizer.get_rasterizer().clip_box(m_dClipLeft, m_dClipTop, m_dClipWidth + m_dClipLeft, m_dClipHeight + m_dClipTop);
m_oClip.Reset();
return Ok;
}
Status CGraphics::SetClipRect3(double dLeft, double dTop, double dWidth, double dHeight)
{
double dRight = dLeft + dWidth;
double dBottom = dTop + dHeight;
m_oFullTransform.TransformPoint(dLeft, dTop);
m_oFullTransform.TransformPoint(dRight, dBottom);
dWidth = dRight - dLeft;
dHeight = dBottom - dTop;
m_dClipLeft = dLeft;
m_dClipTop = dTop;
m_dClipWidth = dWidth;
m_dClipHeight = dHeight;
m_rasterizer.get_rasterizer().reset_clipping();
m_rasterizer.get_rasterizer().clip_box(m_dClipLeft, m_dClipTop, m_dClipWidth + m_dClipLeft, m_dClipHeight + m_dClipTop);
m_frame_buffer.ren_base().clip_box((int)m_dClipLeft, (int)m_dClipTop, (int)(m_dClipWidth + m_dClipLeft), (int)(m_dClipHeight + m_dClipTop));
m_oClip.Reset();
return Ok;
}
Status CGraphics::SetClip(CGraphicsPath* pPath)
{
if (NULL == pPath)
return InvalidParameter;
m_oClip.GenerateClip(pPath, &m_oFullTransform);
return Ok;
}
Status CGraphics::ResetClip()
{
m_oClip.Reset();
m_oClipState.Clear();
return Ok;
}
Status CGraphics::ExclugeClip(CGraphicsPath* pPath)
{
if (NULL == pPath)
return InvalidParameter;
CGraphicsPath oMemory;
oMemory.AddRectangle(0, 0, m_dWidthPix, m_dHeightPix);
oMemory.AddPath(*pPath);
m_oClip.GenerateClip(&oMemory, &m_oFullTransform);
return Ok;
}
Status CGraphics::CombineClip(CGraphicsPath* pPath, agg::sbool_op_e op, NSStructures::CPen* pPen)
{
Aggplus::CMatrix m;
return InternalClip(pPath, (m_bIntegerGrid || pPath->m_internal->m_pTransform != NULL) ? &m : &m_oFullTransform, op, pPen);
}
Status CGraphics::InternalClip(CGraphicsPath* pPath, CMatrix* pTransform, agg::sbool_op_e op, NSStructures::CPen* pPen)
{
if (NULL == pPath)
return InvalidParameter;
bool bTempRasterizer = false;
CClipMulti::clip_rasterizer* pRasterizer = m_oClip.GetRasterizer();
if (!pRasterizer)
{
pRasterizer = new CClipMulti::clip_rasterizer();
pRasterizer->clip_box(0, 0, m_oClip.m_lWidth, m_oClip.m_lHeight);
bTempRasterizer = true;
}
agg::trans_affine* pAffine = NULL;
if (pPen)
pAffine = DoStrokePath(pPen, pPath, pRasterizer);
else
{
typedef agg::conv_transform<agg::path_storage> trans_type;
trans_type trans(pPath->m_internal->m_agg_ps, pTransform->m_internal->m_agg_mtx);
typedef agg::conv_curve<trans_type> conv_crv_type;
conv_crv_type c_c_path(trans);
pRasterizer->add_path(c_c_path);
}
m_oClip.Combine(pPath->m_internal->m_bEvenOdd, op, pRasterizer);
// write to clips history
CGraphics_ClipStateRecord* pRecord = new CGraphics_ClipStateRecord();
pRecord->Path = (NULL != pPath) ? pPath->Clone() : NULL;
pRecord->Transform = (NULL != pTransform) ? new CMatrix(*pTransform) : new CMatrix();
pRecord->Operation = op;
m_oClipState.AddRecord(pRecord);
if (pAffine)
delete pAffine;
if (bTempRasterizer)
delete pRasterizer;
return Ok;
}
INT CGraphics::MeasureString(const std::wstring& strText, CFontManager* pManager, double* lWidth, double* lHeight)
{
if (NULL == pManager || NULL == lWidth || NULL == lHeight)
return FALSE;
pManager->LoadString1(strText, 0, 0);
TBBox oBox = pManager->MeasureString();
*lWidth = (double)oBox.fMaxX - oBox.fMinX;
*lHeight = (double)oBox.fMaxY - oBox.fMinY;
return TRUE;
}
Status CGraphics::Clear(CColor oColor)
{
CBrushSolid oBrush(oColor);
return FillRectangle(&oBrush, 0, 0, m_dWidthPix, m_dHeightPix);
}
Status CGraphics::DrawArc(NSStructures::CPen* pPen, double x, double y, double width, double height, double startAngle, double sweepAngle)
{
CGraphicsPath oPath;
oPath.AddArc(x, y, width, height, startAngle, sweepAngle);
return DrawPath(pPen, &oPath);
}
Status CGraphics::DrawBezier(NSStructures::CPen* pPen, double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
{
CGraphicsPath oPath;
oPath.AddBezier(x1, y1, x2, y2, x3, y3, x4, y4);
return DrawPath(pPen, &oPath);
}
Status CGraphics::DrawBeziers(NSStructures::CPen* pPen, double* pPoints, LONG lCount)
{
CGraphicsPath oPath;
oPath.AddBeziers(pPoints, lCount);
return DrawPath(pPen, &oPath);
}
Status CGraphics::DrawCurve(NSStructures::CPen* pPen, double* pPoints, LONG lCount)
{
CGraphicsPath oPath;
oPath.AddBeziers(pPoints, lCount);
return DrawPath(pPen, &oPath);
}
Status CGraphics::DrawLine(NSStructures::CPen* pPen, double x1, double y1, double x2, double y2)
{
CGraphicsPath oPath;
oPath.AddLine(x1, y1, x2, y2);
return DrawPath(pPen, &oPath);
}
Status CGraphics::DrawLines(NSStructures::CPen* pPen, double* pPoints, LONG lCount)
{
CGraphicsPath oPath;
oPath.AddLines(pPoints, lCount);
return DrawPath(pPen, &oPath);
}
Status CGraphics::DrawRectangle(NSStructures::CPen* pPen, double x, double y, double width, double height)
{
CGraphicsPath oPath;
oPath.AddRectangle(x, y, width, height);
return DrawPath(pPen, &oPath);
}
Status CGraphics::DrawEllipse(NSStructures::CPen* pPen, double x, double y, double width, double height)
{
CGraphicsPath oPath;
oPath.AddEllipse(x, y, width, height);
return DrawPath(pPen, &oPath);
}
Status CGraphics::DrawPath(NSStructures::CPen* pPen, CGraphicsPath* pPath, const double& gamma)
{
if (NULL == pPen || NULL == pPath)
return InvalidParameter;
m_rasterizer.get_rasterizer().reset();
agg::trans_affine* pAffine = DoStrokePath(pPen, pPath, &m_rasterizer.get_rasterizer());
CColor oColor((BYTE)(pPen->Alpha * m_dGlobalAlpha), pPen->Color, m_bSwapRGB);
CBrushSolid oBrush(oColor);
m_rasterizer.get_rasterizer().filling_rule(agg::fill_non_zero);
if (gamma >= 0)
m_rasterizer.get_rasterizer().gamma(agg::gamma_threshold(gamma));
DoFillPath(&oBrush);
if (gamma >= 0)
m_rasterizer.gamma(1.0);
RELEASEOBJECT(pAffine);
return Ok;
}
Status CGraphics::DrawPathNoTransform(NSStructures::CPen* pPen, CGraphicsPath* pPath)
{
if (NULL == pPen || NULL == pPath)
return InvalidParameter;
m_rasterizer.get_rasterizer().reset();
//butt_cap, square_cap, round_cap
//pg.line_cap(agg::vcgen_stroke::round_cap);
agg::line_join_e LineJoin;
switch(pPen->LineJoin)
{
case LineJoinMiter : LineJoin = agg::miter_join; break;
case LineJoinBevel : LineJoin = agg::bevel_join; break;
default:
case LineJoinRound : LineJoin = agg::round_join; break;
case LineJoinMiterClipped: LineJoin = agg::miter_join_revert; break;
}
double dWidth = pPen->Size;
double dblMiterLimit = 0.5;
agg::path_storage path_copy(pPath->m_internal->m_agg_ps);
typedef agg::conv_curve<agg::path_storage> conv_crv_type;
conv_crv_type c_c_path(path_copy);
c_c_path.approximation_scale(25.0);
c_c_path.approximation_method(agg::curve_inc);
DashStyle eStyle = (DashStyle)pPen->DashStyle;
if (DashStyleSolid == eStyle || DashStyleCustom == eStyle)
{
typedef agg::conv_stroke<conv_crv_type> Path_Conv_StrokeN;
Path_Conv_StrokeN pgN(c_c_path);
//typedef agg::conv_stroke<agg::path_storage> Path_Conv_StrokeN;
//Path_Conv_StrokeN pgN(pPath->m_agg_ps);
pgN.line_join(agg::round_join);
pgN.miter_limit(dblMiterLimit);
//pgN.approximation_scale(25.0);
pgN.width(dWidth);
typedef agg::conv_transform<Path_Conv_StrokeN> transStroke;
CMatrix oM;
transStroke trans(pgN, oM.m_internal->m_agg_mtx);
m_rasterizer.get_rasterizer().add_path(trans);
}
else
{
typedef agg::conv_dash<conv_crv_type> Path_Conv_Dash;
Path_Conv_Dash poly2_dash(c_c_path);
typedef agg::conv_stroke<Path_Conv_Dash> Path_Conv_StrokeD;
Path_Conv_StrokeD pgD(poly2_dash);
switch (eStyle)
{
case DashStyleDash:
poly2_dash.add_dash(3.00*dWidth, dWidth);
break;
case DashStyleDot:
poly2_dash.add_dash(dWidth, dWidth);
break;
case DashStyleDashDot:
poly2_dash.add_dash(3.00*dWidth, dWidth);
poly2_dash.add_dash(dWidth, dWidth);
break;
case DashStyleDashDotDot:
poly2_dash.add_dash(3.00*dWidth, dWidth);
poly2_dash.add_dash(dWidth, dWidth);
poly2_dash.add_dash(dWidth, dWidth);
break;
default:
case DashStyleCustom:break;
}
pgD.line_join(LineJoin);
pgD.miter_limit(dblMiterLimit);
pgD.width(dWidth);
agg::conv_transform<Path_Conv_StrokeD> trans(pgD, m_oFullTransform.m_internal->m_agg_mtx);
m_rasterizer.get_rasterizer().add_path(trans);
}
CColor oColor((BYTE)pPen->Alpha, pPen->Color, m_bSwapRGB);
CBrushSolid oBrush(oColor);
m_rasterizer.get_rasterizer().filling_rule(agg::fill_non_zero);
DoFillPath(&oBrush);
return Ok;
}
Status CGraphics::FillEllipse(CBrush* pBrush, double x, double y, double width, double height)
{
CGraphicsPath oPath;
oPath.AddEllipse(x, y, width, height);
return FillPath(pBrush, &oPath);
}
Status CGraphics::FillRectangle(CBrush* pBrush, double x, double y, double width, double height)
{
CGraphicsPath oPath;
oPath.AddRectangle(x, y, width, height);
return FillPath(pBrush, &oPath);
}
Status CGraphics::FillPolygon(CBrush* pBrush, double* pPoints, LONG lCount)
{
CGraphicsPath oPath;
oPath.AddPolygon(pPoints, lCount);
return FillPath(pBrush, &oPath);
}
Status CGraphics::FillPath(CBrush* pBrush, CGraphicsPath* pPath)
{
if (NULL == pBrush)
return InvalidParameter;
m_rasterizer.get_rasterizer().reset();
agg::path_storage p2(pPath->m_internal->m_agg_ps);
typedef agg::conv_transform<agg::path_storage> trans_type;
trans_type* ptrans = NULL;
agg::trans_affine* paffine = NULL;
if (!m_bIntegerGrid)
ptrans = new trans_type(p2, m_oFullTransform.m_internal->m_agg_mtx);
else
{
paffine = new agg::trans_affine();
ptrans = new trans_type(p2, *paffine);
}
typedef agg::conv_curve<trans_type> conv_crv_type;
conv_crv_type c_c_path(*ptrans);
m_rasterizer.get_rasterizer().add_path(c_c_path);
m_rasterizer.get_rasterizer().filling_rule(pPath->m_internal->m_bEvenOdd ? agg::fill_even_odd : agg::fill_non_zero);
if (pBrush->GetType() == Aggplus::BrushTypeTextureFill)
{
CBrushTexture *ptxBrush= (CBrushTexture *)pBrush;
DWORD dwPatternWidth = ptxBrush->PatternGetWidth();
DWORD dwPatternHeight = ptxBrush->PatternGetHeight();
if( !dwPatternWidth || !dwPatternHeight )
return Ok;
double x = 0;
double y = 0;
double r = 0;
double b = 0;
if (!ptxBrush->m_bUseBounds)
{
pPath->GetBounds(x, y, r, b);
r += x;
b += y;
}
else
{
x = ptxBrush->m_oBounds.left;
y = ptxBrush->m_oBounds.top;
r = ptxBrush->m_oBounds.right;
b = ptxBrush->m_oBounds.bottom;
}
CMatrix brushMatrix(ptxBrush->m_mtx);
if (ptxBrush->GetWrapMode() == Aggplus::WrapModeClamp)
{
double dScaleX = (r - x) / dwPatternWidth;
double dScaleY = (b - y) / dwPatternHeight;
brushMatrix.Scale(dScaleX, dScaleY, Aggplus::MatrixOrderAppend);
}
if (ptxBrush->GetWrapMode() != Aggplus::WrapModeClamp && m_dDpiTile > 1)
{
double dScaleX = m_dDpiX / m_dDpiTile;
double dScaleY = m_dDpiY / m_dDpiTile;
brushMatrix.Scale(dScaleX, dScaleY, Aggplus::MatrixOrderAppend);
}
brushMatrix.Translate(x, y, Aggplus::MatrixOrderAppend);
brushMatrix.Multiply(&m_oFullTransform, MatrixOrderAppend);
ptxBrush->SetTransform(&brushMatrix);
}
DoFillPath(pBrush);
RELEASEOBJECT(ptrans);
RELEASEOBJECT(paffine);
return Ok;
}
// отрисовка картинки
Status CGraphics::DrawImage(CImage* pImage, double x, double y, double width, double height)
{
if (!pImage || pImage->GetLastStatus() != Ok)
return UnknownImageFormat;
if(width == 0.00 || height == 0.00)
return InvalidParameter;
CGraphicsPath oPath;
oPath.MoveTo(x, y);
oPath.LineTo(x+width, y);
oPath.LineTo(x+width, y+height);
oPath.LineTo(x, y+height);
oPath.CloseFigure();
CBrushTexture oBrush(pImage, Aggplus::WrapModeClamp);
FillPath(&oBrush, &oPath);
return Ok;
}
Status CGraphics::DrawMeta(const std::wstring& strFile, double x, double y, double width, double height)
{
return Ok;
}
#ifdef _WINDOW_GDIPLUS_USE_
Status CGraphics::DrawGdiplusImage(Gdiplus::Bitmap* pImage, double x, double y, double width, double height)
{
if (!pImage || pImage->GetLastStatus() != Gdiplus::Ok)
return UnknownImageFormat;
if(width == 0.00 || height == 0.00)
return InvalidParameter;
m_pGraphics->SetPageUnit(Gdiplus::UnitPixel);
double x1 = x;
double y1 = y;
m_oFullTransform.TransformPoint(x1, y1);
double x2 = x + width;
double y2 = y;
m_oFullTransform.TransformPoint(x2, y2);
double x3 = x;
double y3 = y + height;
m_oFullTransform.TransformPoint(x3, y3);
Gdiplus::PointF points[3];
points[0].X = (float)(x1 - 1.0);
points[0].Y = (float)(y1 - 1.0);
points[1].X = (float)(x2 + 1.0);
points[1].Y = (float)(y2 - 1.0);
points[2].X = (float)(x3 - 1.0);
points[2].Y = (float)(y3 + 1.0);
m_pGraphics->DrawImage(pImage, points, 3);
return Ok;
}
#endif
INT CGraphics::DrawImageUnscaled(CImage* pImage, double x, double y)
{
return TRUE;
}
INT CGraphics::DrawString(const std::wstring& strText, CFontManager* pFont, CBrush* pBrush, double x, double y)
{
if (pBrush->GetType() != BrushTypeSolidColor)
return TRUE;
CMatrix oMatrix = m_oBaseTransform;
oMatrix.Multiply(&m_oTransform, MatrixOrderPrepend);
double mass[6];
oMatrix.GetElements(mass);
double _x = x;
double _y = y;
CMatrix oM1 = oMatrix;
oM1.Invert();
oM1.Multiply(&m_oFullTransform, MatrixOrderPrepend);
oM1.TransformPoint(_x, _y);
pFont->SetTextMatrix((float)mass[0], (float)mass[1], (float)mass[2], (float)mass[3], (float)mass[4], (float)mass[5]);
m_nTextRenderMode = pFont->m_nRENDER_MODE;
pFont->LoadString2(strText, (float)_x, (float)_y);
float fX = 0;
float fY = 0;
INT bRes = FALSE;
while (TRUE)
{
TGlyph* pGlyph = NULL;
bRes = pFont->GetNextChar2(pGlyph, fX, fY);
if (FALSE == bRes)
break;
if (NULL != pGlyph)
{
FillGlyph2((int)fX, (int)fY, pGlyph, pBrush);
}
}
return TRUE;
}
INT CGraphics::DrawString(const unsigned int* pGids, const unsigned int nGidsCount, CFontManager* pFont, CBrush* pBrush, double x, double y)
{
if (pBrush->GetType() != BrushTypeSolidColor)
return TRUE;
CMatrix oMatrix = m_oBaseTransform;
oMatrix.Multiply(&m_oTransform, MatrixOrderPrepend);
double mass[6];
oMatrix.GetElements(mass);
double _x = x;
double _y = y;
CMatrix oM1 = oMatrix;
oM1.Invert();
oM1.Multiply(&m_oFullTransform, MatrixOrderPrepend);
oM1.TransformPoint(_x, _y);
pFont->SetTextMatrix((float)mass[0], (float)mass[1], (float)mass[2], (float)mass[3], (float)mass[4], (float)mass[5]);
m_nTextRenderMode = pFont->m_nRENDER_MODE;
pFont->LoadString2(pGids, nGidsCount, (float)_x, (float)_y);
float fX = 0;
float fY = 0;
INT bRes = FALSE;
while (TRUE)
{
TGlyph* pGlyph = NULL;
bRes = pFont->GetNextChar2(pGlyph, fX, fY);
if (FALSE == bRes)
break;
if (NULL != pGlyph)
{
FillGlyph2((int)fX, (int)fY, pGlyph, pBrush);
}
}
return TRUE;
}
INT CGraphics::DrawStringC(const LONG& lText, CFontManager* pFont, CBrush* pBrush, double x, double y)
{
if (pBrush->GetType() != BrushTypeSolidColor)
return TRUE;
CMatrix oMatrix = m_oBaseTransform;
oMatrix.Multiply(&m_oTransform, MatrixOrderPrepend);
double mass[6];
oMatrix.GetElements(mass);
double _x = x;
double _y = y;
CMatrix oM1 = oMatrix;
oM1.Invert();
oM1.Multiply(&m_oFullTransform, MatrixOrderPrepend);
oM1.TransformPoint(_x, _y);
pFont->SetTextMatrix((float)mass[0], (float)mass[1], (float)mass[2], (float)mass[3], (float)mass[4], (float)mass[5]);
m_nTextRenderMode = pFont->m_nRENDER_MODE;
pFont->LoadString2C(lText, (float)_x, (float)_y);
float fX = 0;
float fY = 0;
INT bRes = FALSE;
while (TRUE)
{
TGlyph* pGlyph = NULL;
bRes = pFont->GetNextChar2(pGlyph, fX, fY);
if (FALSE == bRes)
break;
if (NULL != pGlyph)
{
FillGlyph2((int)fX, (int)fY, pGlyph, pBrush);
}
}
return TRUE;
}
INT CGraphics::DrawStringPath(const std::wstring& strText, CFontManager* pFont, CBrush* pBrush, double x, double y)
{
if (pBrush->GetType() != BrushTypeSolidColor)
return TRUE;
Aggplus::CGraphicsPath oPath;
oPath.AddString(strText, pFont, x, y);
FillPath(pBrush, &oPath);
return TRUE;
}
INT CGraphics::DrawStringPathC(const LONG& lText, CFontManager* pFont, CBrush* pBrush, double x, double y)
{
if (pBrush->GetType() != BrushTypeSolidColor)
return TRUE;
Aggplus::CGraphicsPath oPath;
oPath.AddStringC(lText, pFont, x, y);
FillPath(pBrush, &oPath);
return TRUE;
}
Status CGraphics::SetAlphaMask(CAlphaMask *pAlphaMask)
{
RELEASEINTERFACE(m_pAlphaMask);
m_pAlphaMask = pAlphaMask;
if (m_pAlphaMask)
m_pAlphaMask->AddRef();
return CreateLayer();
}
Status CGraphics::StartCreatingAlphaMask()
{
return CreateLayer();
}
Status CGraphics::EndCreatingAlphaMask()
{
if (m_arLayers.empty())
return WrongState;
CGraphicsLayer *pCurrentGraphicsLayer = m_arLayers.top();
m_arLayers.pop();
if (pCurrentGraphicsLayer->Empty())
return GenericError;
BYTE* pBuffer = pCurrentGraphicsLayer->GetBuffer();
pCurrentGraphicsLayer->ClearBuffer(false);
RELEASEINTERFACE(pCurrentGraphicsLayer);
RELEASEINTERFACE(m_pAlphaMask);
m_pAlphaMask = new CAlphaMask(pBuffer, EMaskDataType::ImageBuffer, false);
return CreateLayer();
}
Status CGraphics::ResetAlphaMask()
{
BlendLayer();
RELEASEINTERFACE(m_pAlphaMask);
return Ok;
}
CSoftMask* CGraphics::CreateSoftMask(bool bAlpha)
{
if (m_arLayers.empty())
return NULL;
CGraphicsLayer *pCurrentGraphicsLayer = m_arLayers.top();
m_arLayers.pop();
if (pCurrentGraphicsLayer->Empty())
{
RELEASEINTERFACE(pCurrentGraphicsLayer);
return NULL;
}
BYTE* pBuffer = pCurrentGraphicsLayer->GetBuffer();
pCurrentGraphicsLayer->ClearBuffer(false);
RELEASEINTERFACE(pCurrentGraphicsLayer);
RELEASEINTERFACE(m_pSoftMask);
unsigned int unWidth = m_frame_buffer.ren_buf().width(), unHeight = m_frame_buffer.ren_buf().height();
bool bFlip = m_frame_buffer.ren_buf().stride() < 0;
m_pSoftMask = new CSoftMask(pBuffer, unWidth, unHeight, bFlip, m_bSwapRGB, bAlpha);
pBuffer = m_arLayers.empty() ? m_pPixels : m_arLayers.top()->GetBuffer();
if (!pBuffer)
{
RELEASEINTERFACE(pCurrentGraphicsLayer);
return NULL;
}
m_frame_buffer.ren_buf().attach(pBuffer, unWidth, unHeight, m_frame_buffer.ren_buf().stride());
return m_pSoftMask;
}
Status CGraphics::SetSoftMask(CSoftMask* pSoftMask)
{
if (m_pSoftMask == pSoftMask)
return Ok;
RELEASEINTERFACE(m_pSoftMask);
m_pSoftMask = pSoftMask;
if (m_pSoftMask)
m_pSoftMask->AddRef();
return Ok;
}
Status CGraphics::AddLayer(CGraphicsLayer *pGraphicsLayer)
{
if (NULL == pGraphicsLayer || pGraphicsLayer->Empty())
return InvalidParameter;
m_arLayers.push(pGraphicsLayer);
pGraphicsLayer->AddRef();
int nStride = m_frame_buffer.ren_buf().stride();
const unsigned int unWidth = m_frame_buffer.ren_buf().width();
const unsigned int unHeight = m_frame_buffer.ren_buf().height();
m_frame_buffer.create(unWidth, unHeight, nStride < 0, nStride, pGraphicsLayer->GetBuffer());
return Ok;
}
Status CGraphics::CreateLayer()
{
int nStride = m_frame_buffer.ren_buf().stride();
const unsigned int unWidth = m_frame_buffer.ren_buf().width();
const unsigned int unHeight = m_frame_buffer.ren_buf().height();
UINT unSize = unWidth * unHeight * m_frame_buffer.pix_size;
BYTE *pBuffer = new BYTE[unSize];
memset(pBuffer, 0x00, unSize);
m_frame_buffer.create(unWidth, unHeight, nStride < 0, nStride, pBuffer);
m_arLayers.push(new CGraphicsLayer(pBuffer, false));
return Ok;
}
Status CGraphics::BlendLayer()
{
if (m_arLayers.empty())
return WrongState;
CGraphicsLayer *pCurrentGraphicsLayer = m_arLayers.top();
m_arLayers.pop();
BYTE* pBuffer = NULL;
if (!m_arLayers.empty())
pBuffer = m_arLayers.top()->GetBuffer();
else
pBuffer = m_pPixels;
if (NULL == pBuffer)
{
RELEASEINTERFACE(pCurrentGraphicsLayer);
return WrongState;
}
m_frame_buffer.ren_buf().attach(pBuffer, m_frame_buffer.ren_buf().width(), m_frame_buffer.ren_buf().height(), m_frame_buffer.ren_buf().stride());
if (m_pAlphaMask)
{
switch(m_pAlphaMask->GetDataType())
{
case EMaskDataType::ImageBuffer:
{
Aggplus::BlendTo<agg::rgb_to_gray_mask_u8<2, 1, 0>>(pCurrentGraphicsLayer, m_frame_buffer.pixfmt(), m_pAlphaMask->GetBuffer(), m_pAlphaMask->GetStep());
break;
}
case EMaskDataType::AlphaBuffer:
{
Aggplus::BlendTo<agg::one_component_mask_u8>(pCurrentGraphicsLayer, m_frame_buffer.pixfmt(), m_pAlphaMask->GetBuffer(), m_pAlphaMask->GetStep());
break;
}
}
}
else if (m_pSoftMask)
{
ESoftMaskType nType = m_pSoftMask->GetDataType();
if (nType == ESoftMaskType::RGBGrayBuffer)
Aggplus::BlendTo<agg::rgb_to_gray_mask_u8<0, 1, 2>>(pCurrentGraphicsLayer, m_frame_buffer.pixfmt(), m_pSoftMask->GetBuffer(), m_pSoftMask->GetStep());
else if (nType == ESoftMaskType::BGRGrayBuffer)
Aggplus::BlendTo<agg::rgb_to_gray_mask_u8<2, 1, 0>>(pCurrentGraphicsLayer, m_frame_buffer.pixfmt(), m_pSoftMask->GetBuffer(), m_pSoftMask->GetStep());
else if (nType == ESoftMaskType::Alpha4Buffer)
Aggplus::BlendTo<agg::one_component_mask_u8>(pCurrentGraphicsLayer, m_frame_buffer.pixfmt(), m_pSoftMask->GetBuffer() + 3, m_pSoftMask->GetStep());
}
else
{
if (m_nBlendMode != agg::comp_op_src_over)
{
pixfmt_type_comp pixfmt(m_frame_buffer.ren_buf(), m_nBlendMode);
Aggplus::BlendTo(pCurrentGraphicsLayer, pixfmt, m_nBlendMode);
}
else
Aggplus::BlendTo(pCurrentGraphicsLayer, m_frame_buffer.pixfmt());
}
RELEASEINTERFACE(pCurrentGraphicsLayer);
return Ok;
}
Status CGraphics::RemoveLayer()
{
if (m_arLayers.empty())
return WrongState;
CGraphicsLayer *pCurrentGraphicsLayer = m_arLayers.top();
m_arLayers.pop();
BYTE* pBuffer = NULL;
if (!m_arLayers.empty())
pBuffer = m_arLayers.top()->GetBuffer();
else
pBuffer = m_pPixels;
if (NULL == pBuffer)
{
RELEASEINTERFACE(pCurrentGraphicsLayer);
return WrongState;
}
m_frame_buffer.ren_buf().attach(pBuffer, m_frame_buffer.ren_buf().width(), m_frame_buffer.ren_buf().height(), m_frame_buffer.ren_buf().stride());
RELEASEINTERFACE(pCurrentGraphicsLayer);
return Ok;
}
Status CGraphics::SetLayerSettings(const TGraphicsLayerSettings &oSettings)
{
if (m_arLayers.empty())
return WrongState;
m_arLayers.top()->SetSettings(oSettings);
return Ok;
}
Status CGraphics::SetLayerOpacity(double dOpacity)
{
if (dOpacity < 0. || dOpacity > 1.)
return InvalidParameter;
if (m_arLayers.empty())
return WrongState;
m_arLayers.top()->SetOpacity(dOpacity);
return Ok;
}
void CGraphics::CalculateFullTransform()
{
m_oFullTransform = m_oCoordTransform;
m_oFullTransform.Multiply(&m_oBaseTransform, MatrixOrderAppend);
m_oFullTransform.Multiply(&m_oTransform, MatrixOrderPrepend);
}
bool CGraphics::IsClip()
{
return m_oClip.IsClip();
}
template<class Rasterizer, class Renderer, class Scanline>
void CGraphics::render_scanlines_3(Rasterizer& ras, Renderer& ren, Scanline& sl)
{
if (!m_oClip.IsClip())
{
agg::render_scanlines(ras, sl, ren);
}
else
{
if (!m_oClip.IsClip2())
{
typedef agg::scanline_p8 sbool_scanline_type;
sbool_scanline_type sl1;
sbool_scanline_type sl2;
agg::sbool_combine_shapes_aa(agg::sbool_and, ras, m_oClip.m_rasterizer, sl1, sl2, sl, ren);
}
else
{
typedef agg::scanline_p8 sbool_scanline_type;
sbool_scanline_type sl1;
sbool_scanline_type sl2;
agg::sbool_combine_shapes_aa(agg::sbool_and, ras, (1 == m_oClip.m_lCurStorage) ? m_oClip.m_storage1 : m_oClip.m_storage2, sl1, sl2, sl, ren);
}
}
}
template<class Renderer>
void CGraphics::render_scanlines(Renderer& ren)
{
render_scanlines_2(m_rasterizer.get_rasterizer(), ren);
}
template<class Renderer>
void CGraphics::render_scanlines_alpha(Renderer& ren, BYTE Alpha)
{
double dAlpha = m_dGlobalAlpha * Alpha / 255.0;
if (fabs(dAlpha - 1.0) < FLT_EPSILON)
{
render_scanlines(ren);
}
else
{
m_rasterizer.gamma_multi(dAlpha);
render_scanlines(ren);
m_rasterizer.gamma(1.0);
}
}
template<class Rasterizer, class Renderer>
void CGraphics::render_scanlines_2(Rasterizer& ras, Renderer& ren)
{
if (m_pSoftMask)
{
ESoftMaskType nType = m_pSoftMask->GetDataType();
if (nType == ESoftMaskType::RGBGrayBuffer)
return render_scanlines_3(ras, ren, ((CSoftMaskRGBAgray*)m_pSoftMask->m_pInternal)->GetScanline());
if (nType == ESoftMaskType::BGRGrayBuffer)
return render_scanlines_3(ras, ren, ((CSoftMaskBGRAgray*)m_pSoftMask->m_pInternal)->GetScanline());
if (nType == ESoftMaskType::Alpha4Buffer)
return render_scanlines_3(ras, ren, ((CSoftMaskAlpha*)m_pSoftMask->m_pInternal)->GetScanline());
}
render_scanlines_3(ras, ren, m_rasterizer.get_scanline());
}
void CGraphics::DoFillPathSolid(CColor dwColor)
{
if (m_nBlendMode != agg::comp_op_src_over)
{
typedef agg::renderer_scanline_aa_solid<comp_renderer_type> solid_comp_renderer_type;
solid_comp_renderer_type ren_solid;
comp_renderer_type ren_base;
pixfmt_type_comp pixfmt(m_frame_buffer.ren_buf(), m_nBlendMode);
ren_base.attach(pixfmt);
ren_solid.attach(ren_base);
ren_solid.color(dwColor.GetAggColor());
render_scanlines(ren_solid);
}
else
{
typedef agg::renderer_scanline_aa_solid<base_renderer_type> solid_renderer_type;
solid_renderer_type ren_fine(m_frame_buffer.ren_base());
ren_fine.color(dwColor.GetAggColor());
render_scanlines(ren_fine);
}
}
void CGraphics::DoFillPathGradient(CBrushLinearGradient *pBrush)
{
CDoubleRect& oBounds = pBrush->GetBounds();
CMatrix oMatrix;
agg::rect_d rect;
if (oBounds.GetWidth() > FLT_EPSILON || oBounds.GetHeight() > FLT_EPSILON)
{
rect.x1 = oBounds.left;
rect.y1 = oBounds.top;
rect.x2 = oBounds.right;
rect.y2 = oBounds.bottom;
oMatrix = m_oFullTransform;
oMatrix.Invert();
}
else
{
int x = m_rasterizer.get_rasterizer().min_x();
int y = m_rasterizer.get_rasterizer().min_y();
int r = m_rasterizer.get_rasterizer().max_x();
int b = m_rasterizer.get_rasterizer().max_y();
if (r < x || b < y)
return;
rect.x1 = x;
rect.x2 = r;
rect.y1 = y;
rect.y2 = b;
}
typedef agg::my_span_gradient<agg::rgba8> gradient_span_gen;
gradient_span_gen span_gen;
span_gen.SetDirection(rect, (double)pBrush->GetAngle(), oMatrix.m_internal->m_agg_mtx);
agg::rgba8* pSubColors = NULL;
float* pSubBlends = NULL;
int nCountSubColors = pBrush->GetInterpolationColorsCount();
if( nCountSubColors > 0 )
{
pSubColors = new agg::rgba8[nCountSubColors];
pSubBlends = new float[nCountSubColors];
if( pSubColors && pSubBlends )
{
for( int i = 0; i < nCountSubColors; i++ )
{
CColor c;
pBrush->GetSubColor( i, &c, &pSubBlends[i] );
pSubColors[i] = agg::rgba8(c.GetB(), c.GetG(), c.GetR(), c.GetA());
}
span_gen.SetSubColors( pSubColors, pSubBlends, nCountSubColors );
}
}
typedef agg::span_allocator<gradient_span_gen::color_type> gradient_span_alloc;
gradient_span_alloc span_alloc;
typedef agg::renderer_scanline_aa<base_renderer_type, gradient_span_alloc, gradient_span_gen> renderer_gradient_type;
renderer_gradient_type ren_gradient( m_frame_buffer.ren_base(), span_alloc, span_gen );
if (fabs(m_dGlobalAlpha - 1.0) < FLT_EPSILON)
{
render_scanlines(ren_gradient);
}
else
{
m_rasterizer.gamma_multi(m_dGlobalAlpha);
render_scanlines(ren_gradient);
m_rasterizer.gamma(1.0);
}
if( pSubColors ) delete [] pSubColors;
if( pSubBlends ) delete [] pSubBlends;
}
void CGraphics::DoFillPathGradient2(CBrushLinearGradient *pBrush)
{
CDoubleRect& oBounds = pBrush->GetBounds();
CMatrix oMatrix;
agg::rect_d rect;
if (oBounds.GetWidth() > FLT_EPSILON || oBounds.GetHeight() > FLT_EPSILON)
{
rect.x1 = oBounds.left;
rect.y1 = oBounds.top;
rect.x2 = oBounds.right;
rect.y2 = oBounds.bottom;
oMatrix = m_oFullTransform;
oMatrix.Invert();
}
else
{
int x = m_rasterizer.get_rasterizer().min_x();
int y = m_rasterizer.get_rasterizer().min_y();
int r = m_rasterizer.get_rasterizer().max_x();
int b = m_rasterizer.get_rasterizer().max_y();
if (r < x || b < y)
return;
rect.x1 = x;
rect.x2 = r;
rect.y1 = y;
rect.y2 = b;
}
typedef agg::my_span_path_gradient<agg::rgba8> gradient_span_gen;
gradient_span_gen span_gen;
span_gen.SetDirection(rect, oMatrix.m_internal->m_agg_mtx);
agg::rgba8* pSubColors = NULL;
float* pSubBlends = NULL;
int nCountSubColors = pBrush->GetInterpolationColorsCount();
if( nCountSubColors > 0 )
{
pSubColors = new agg::rgba8[nCountSubColors];
pSubBlends = new float[nCountSubColors];
if( pSubColors && pSubBlends )
{
for( int i = 0; i < nCountSubColors; i++ )
{
CColor c;
pBrush->GetSubColor( i, &c, &pSubBlends[i] );
pSubColors[i] = agg::rgba8(c.GetB(), c.GetG(), c.GetR(), c.GetA());
}
span_gen.SetSubColors( pSubColors, pSubBlends, nCountSubColors );
}
}
typedef agg::span_allocator<gradient_span_gen::color_type> gradient_span_alloc;
gradient_span_alloc span_alloc;
typedef agg::renderer_scanline_aa<base_renderer_type, gradient_span_alloc, gradient_span_gen> renderer_gradient_type;
renderer_gradient_type ren_gradient( m_frame_buffer.ren_base(), span_alloc, span_gen );
if (fabs(m_dGlobalAlpha - 1.0) < FLT_EPSILON)
{
render_scanlines(ren_gradient);
}
else
{
m_rasterizer.gamma_multi(m_dGlobalAlpha);
render_scanlines(ren_gradient);
m_rasterizer.gamma(1.0);
}
if( pSubColors ) delete [] pSubColors;
if( pSubBlends ) delete [] pSubBlends;
}
void CGraphics::DoFillPathHatch(CBrushHatch *pBrush)
{
#if 0
CDoubleRect& oBounds = pBrush->GetBounds();
CMatrix oMatrix;
agg::rect_d rect;
if (oBounds.GetWidth() > FLT_EPSILON || oBounds.GetHeight() > FLT_EPSILON)
{
rect.x1 = oBounds.left;
rect.y1 = oBounds.top;
rect.x2 = oBounds.right;
rect.y2 = oBounds.bottom;
oMatrix = m_oFullTransform;
}
else
{
int x = m_rasterizer.get_rasterizer().min_x();
int y = m_rasterizer.get_rasterizer().min_y();
int width = m_rasterizer.get_rasterizer().max_x() - m_rasterizer.get_rasterizer().min_x();
int height = m_rasterizer.get_rasterizer().max_y() - m_rasterizer.get_rasterizer().min_y();
rect.x1 = x;
rect.x2 = x + width;
rect.y1 = y;
rect.y2 = y + height;
}
typedef agg::agg_span_hatch<agg::rgba8> hatch_span_gen;
hatch_span_gen span_gen;
agg::rgba8 c1 = agg::rgba8(pBrush->m_dwColor1.GetB(), pBrush->m_dwColor1.GetG(), pBrush->m_dwColor1.GetR(), pBrush->m_dwColor1.GetA());
agg::rgba8 c2 = agg::rgba8(pBrush->m_dwColor2.GetB(), pBrush->m_dwColor2.GetG(), pBrush->m_dwColor2.GetR(), pBrush->m_dwColor2.GetA());
span_gen.SetDirection(pBrush->m_name, rect, oMatrix.m_agg_mtx, c1, c2);
typedef agg::span_allocator<hatch_span_gen::color_type> hatch_span_alloc;
hatch_span_alloc span_alloc;
typedef agg::renderer_scanline_aa<base_renderer_type, hatch_span_alloc, hatch_span_gen> renderer_hatch_type;
renderer_hatch_type ren_hatch( m_frame_buffer.ren_base(), span_alloc, span_gen );
if (fabs(m_dGlobalAlpha - 1.0) < FLT_EPSILON)
{
render_scanlines(ren_hatch);
}
else
{
m_rasterizer.gamma_multi(m_dGlobalAlpha);
render_scanlines(ren_hatch);
m_rasterizer.gamma(1.0);
}
#else
agg::rgba8 c1 = agg::rgba8(pBrush->m_dwColor1.GetR(), pBrush->m_dwColor1.GetG(), pBrush->m_dwColor1.GetB(), pBrush->m_dwColor1.GetA());
agg::rgba8 c2 = agg::rgba8(pBrush->m_dwColor2.GetR(), pBrush->m_dwColor2.GetG(), pBrush->m_dwColor2.GetB(), pBrush->m_dwColor2.GetA());
BYTE* pPattern = new BYTE[HATCH_TX_SIZE * HATCH_TX_SIZE * 4];
agg::GetHatchPattern(pBrush->m_name, (agg::rgba8*)pPattern, c1, c2);
agg::trans_affine mtx_Work(m_oTransform.m_internal->m_agg_mtx);
if (m_dDpiTile > 1)
mtx_Work.scale(m_dDpiX / m_dDpiTile, m_dDpiY / m_dDpiTile);
mtx_Work.invert();
span_alloc_type span_allocator;
interpolator_type_linear interpolator(mtx_Work);
agg::rendering_buffer PatRendBuff;
PatRendBuff.attach(pPattern, HATCH_TX_SIZE, HATCH_TX_SIZE, HATCH_TX_SIZE << 2);
typedef agg::pixfmt_bgra32 pixfmt;
//image_accessor_wrap
typedef agg::wrap_mode_repeat wrap_x_type;
typedef agg::wrap_mode_repeat wrap_y_type;
typedef agg::image_accessor_wrap<pixfmt, wrap_x_type, wrap_y_type> img_source_type;
typedef agg::span_image_filter_rgba_bilinear<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
pixfmt img_pixf(PatRendBuff);
img_source_type img_src(img_pixf);
span_gen_type sg(img_src, interpolator);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
if (fabs(m_dGlobalAlpha - 1.0) < FLT_EPSILON)
{
render_scanlines(ri);
}
else
{
m_rasterizer.gamma_multi(m_dGlobalAlpha);
render_scanlines(ri);
m_rasterizer.gamma(1.0);
}
RELEASEARRAYOBJECTS(pPattern);
#endif
}
void CGraphics::DoFillPathTextureClampSz(const CMatrix &mImgMtx, const void *pImgBuff, DWORD dwImgWidth, DWORD dwImgHeight, int nImgStride)
{
span_alloc_type span_allocator; // Span Allocator
typedef agg::pixfmt_rgba32 pixfmt;
typedef agg::image_accessor_clip<pixfmt> img_source_type;
typedef agg::span_image_filter_rgba_bilinear<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
agg::trans_affine mtx_Work(mImgMtx.m_internal->m_agg_mtx);
mtx_Work.multiply(m_oFullTransform.m_internal->m_agg_mtx);
mtx_Work.invert();
interpolator_type_linear interpolator(mtx_Work);
{
//agg::rendering_buffer PatRendBuff((BYTE *)pImgBuff, dwImgWidth, dwImgHeight, nImgStride);
agg::rendering_buffer PatRendBuff;
PatRendBuff.attach((BYTE*)pImgBuff, dwImgWidth, dwImgHeight, nImgStride);
pixfmt img_pixf(PatRendBuff);
img_source_type img_src(img_pixf, agg::rgba(0, 0, 0, 0));
span_gen_type sg(img_src, interpolator);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
//agg::render_scanlines(m_rasterizer.get_rasterizer(), m_rasterizer.get_scanline(), ri);
render_scanlines(ri);
}
}
void CGraphics::DoFillPathTextureClampSz2(const CMatrix &mImgMtx, const void *pImgBuff, DWORD dwImgWidth, DWORD dwImgHeight, int nImgStride, BYTE Alpha)
{
span_alloc_type span_allocator;
agg::trans_affine mtx_Work(mImgMtx.m_internal->m_agg_mtx);
mtx_Work.invert();
interpolator_type_linear interpolator(mtx_Work);
agg::rendering_buffer PatRendBuff;
PatRendBuff.attach((BYTE*)pImgBuff, dwImgWidth, dwImgHeight, nImgStride);
int nCurrentMode = 255;
if (!m_bSwapRGB)
{
typedef agg::pixfmt_bgra32 pixfmt;
typedef agg::image_accessor_clone<pixfmt> img_source_type;
pixfmt img_pixf(PatRendBuff);
img_source_type img_src(img_pixf);
switch (nCurrentMode)
{
case 0:
{
typedef agg::span_image_filter_rgba_nn<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
span_gen_type sg(img_src, interpolator);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
case 1:
{
typedef agg::span_image_filter_rgba_bilinear<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
span_gen_type sg(img_src, interpolator);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
case 2:
{
typedef agg::span_image_filter_rgba_2x2<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
agg::image_filter_lut filter;
filter.calculate(agg::image_filter_bicubic(), false);
span_gen_type sg(img_src, interpolator, filter);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
case 3:
{
typedef agg::span_image_filter_rgba_2x2<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
agg::image_filter_lut filter;
filter.calculate(agg::image_filter_spline16(), false);
span_gen_type sg(img_src, interpolator, filter);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
case 4:
{
typedef agg::span_image_filter_rgba_2x2<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
agg::image_filter_lut filter;
filter.calculate(agg::image_filter_blackman256(), false);
span_gen_type sg(img_src, interpolator, filter);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
case 255:
{
typedef agg::span_image_resample_rgba_affine_for_draw<img_source_type> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
agg::image_filter_lut filter;
filter.calculate(agg::image_filter_bilinear(), false);
span_gen_type sg(img_src, interpolator, filter);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
default:
break;
}
}
else
{
typedef agg::pixfmt_rgba32 pixfmt;
typedef agg::image_accessor_clone<pixfmt> img_source_type;
pixfmt img_pixf(PatRendBuff);
img_source_type img_src(img_pixf);
switch (nCurrentMode)
{
case 0:
{
typedef agg::span_image_filter_rgba_nn<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
span_gen_type sg(img_src, interpolator);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
case 1:
{
typedef agg::span_image_filter_rgba_bilinear<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
span_gen_type sg(img_src, interpolator);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
case 2:
{
typedef agg::span_image_filter_rgba_2x2<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
agg::image_filter_lut filter;
filter.calculate(agg::image_filter_bicubic(), false);
span_gen_type sg(img_src, interpolator, filter);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
case 3:
{
typedef agg::span_image_filter_rgba_2x2<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
agg::image_filter_lut filter;
filter.calculate(agg::image_filter_spline16(), false);
span_gen_type sg(img_src, interpolator, filter);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
case 4:
{
typedef agg::span_image_filter_rgba_2x2<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
agg::image_filter_lut filter;
filter.calculate(agg::image_filter_blackman256(), false);
span_gen_type sg(img_src, interpolator, filter);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
case 255:
{
typedef agg::span_image_resample_rgba_affine_for_draw<img_source_type> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
agg::image_filter_lut filter;
filter.calculate(agg::image_filter_bilinear(), false);
span_gen_type sg(img_src, interpolator, filter);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
render_scanlines_alpha(ri, Alpha);
break;
}
default:
break;
}
}
}
template<class ColorSpacePix>
void CGraphics::DoFillPathTextureClampSz3(const CMatrix &matrix, const void *pImgBuff, DWORD dwImgWidth, DWORD dwImgHeight, int nImgStride, Aggplus::WrapMode wrapmode, BYTE Alpha)
{
agg::trans_affine mtx_Work( matrix.m_internal->m_agg_mtx );
agg::trans_affine coords = m_oCoordTransform.m_internal->m_agg_mtx;
coords.invert();
mtx_Work.premultiply(coords);
//mtx_Work.multiply(m_oFullTransform.m_agg_mtx);
mtx_Work.invert();
span_alloc_type span_allocator; // Span Allocator
interpolator_type_linear interpolator(mtx_Work);
//agg::rendering_buffer PatRendBuff((BYTE *)pImgBuff, dwImgWidth, dwImgHeight, nImgStride);
agg::rendering_buffer PatRendBuff;
PatRendBuff.attach((BYTE*)pImgBuff, dwImgWidth, dwImgHeight, nImgStride);
typedef ColorSpacePix pixfmt;
if(wrapmode == WrapModeTileFlipX)
{
//image_accessor_wrap
typedef agg::wrap_mode_reflect wrap_x_type;
typedef agg::wrap_mode_repeat wrap_y_type;
typedef agg::image_accessor_wrap<pixfmt, wrap_x_type, wrap_y_type> img_source_type;
typedef agg::span_image_filter_rgba_bilinear<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
pixfmt img_pixf(PatRendBuff);
img_source_type img_src(img_pixf);
span_gen_type sg(img_src, interpolator);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
double dAlpha = m_dGlobalAlpha * Alpha / 255.0;
if (fabs(dAlpha - 1.0) < FLT_EPSILON)
{
render_scanlines(ri);
}
else
{
m_rasterizer.gamma_multi(dAlpha);
render_scanlines(ri);
m_rasterizer.gamma(1.0);
}
}
else if(wrapmode == WrapModeTileFlipY)
{
//image_accessor_wrap
typedef agg::wrap_mode_repeat wrap_x_type;
typedef agg::wrap_mode_reflect wrap_y_type;
typedef agg::image_accessor_wrap<pixfmt, wrap_x_type, wrap_y_type> img_source_type;
typedef agg::span_image_filter_rgba_bilinear<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
pixfmt img_pixf(PatRendBuff);
img_source_type img_src(img_pixf);
span_gen_type sg(img_src, interpolator);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
double dAlpha = m_dGlobalAlpha * Alpha / 255.0;
if (fabs(dAlpha - 1.0) < FLT_EPSILON)
{
render_scanlines(ri);
}
else
{
m_rasterizer.gamma_multi(dAlpha);
render_scanlines(ri);
m_rasterizer.gamma(1.0);
}
}
else if(wrapmode == WrapModeTileFlipXY)
{
//image_accessor_wrap
typedef agg::wrap_mode_reflect wrap_x_type;
typedef agg::wrap_mode_reflect wrap_y_type;
typedef agg::image_accessor_wrap<pixfmt, wrap_x_type, wrap_y_type> img_source_type;
typedef agg::span_image_filter_rgba_bilinear<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
pixfmt img_pixf(PatRendBuff);
img_source_type img_src(img_pixf);
span_gen_type sg(img_src, interpolator);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
double dAlpha = m_dGlobalAlpha * Alpha / 255.0;
if (fabs(dAlpha - 1.0) < FLT_EPSILON)
{
render_scanlines(ri);
}
else
{
m_rasterizer.gamma_multi(dAlpha);
render_scanlines(ri);
m_rasterizer.gamma(1.0);
}
}
else //Repeat
{
//image_accessor_wrap
typedef agg::wrap_mode_repeat wrap_x_type;
typedef agg::wrap_mode_repeat wrap_y_type;
typedef agg::image_accessor_wrap<pixfmt, wrap_x_type, wrap_y_type> img_source_type;
typedef agg::span_image_filter_rgba_bilinear<img_source_type, interpolator_type_linear> span_gen_type;
typedef agg::renderer_scanline_aa<base_renderer_type, span_alloc_type, span_gen_type> renderer_type;
pixfmt img_pixf(PatRendBuff);
img_source_type img_src(img_pixf);
span_gen_type sg(img_src, interpolator);
renderer_type ri(m_frame_buffer.ren_base(), span_allocator, sg);
double dAlpha = m_dGlobalAlpha * Alpha / 255.0;
if (fabs(dAlpha - 1.0) < FLT_EPSILON)
{
render_scanlines(ri);
}
else
{
m_rasterizer.gamma_multi(dAlpha);
render_scanlines(ri);
m_rasterizer.gamma(1.0);
}
}
}
void CGraphics::DoFillPath(const CBrush* Brush)
{
if (NULL == Brush)
return;
Aggplus::BrushType eBrushType = Brush->GetType();
switch (eBrushType)
{
case BrushTypeSolidColor:
{
CColor clr;
((CBrushSolid*)Brush)->GetColor(&clr);
DoFillPathSolid(clr);
break;
}
case BrushTypeHatchFill:
{
DoFillPathHatch((Aggplus::CBrushHatch*)Brush);
break;
}
case BrushTypeTextureFill:
{
CBrushTexture *ptxBrush = (CBrushTexture *)Brush;
LPVOID pImgBuff = ptxBrush->GetData();
if (pImgBuff)
{
DWORD dwImgWidth = ptxBrush->PatternGetWidth();
DWORD dwImgHeight = ptxBrush->PatternGetHeight();
int nImgStride = ptxBrush->PatternGetStride();
if(pImgBuff && dwImgWidth && dwImgHeight)
{
Aggplus::WrapMode wrapmode = ptxBrush->m_wrapMode;
Aggplus::CMatrix matrix = ptxBrush->m_mtx;
if(wrapmode == WrapModeClamp)
{
DoFillPathTextureClampSz2( matrix, pImgBuff, dwImgWidth, dwImgHeight, nImgStride, ptxBrush->Alpha);
}
else
{
if (!m_bSwapRGB)
{
DoFillPathTextureClampSz3<agg::pixfmt_bgra32>(matrix, pImgBuff, dwImgWidth, dwImgHeight, nImgStride, wrapmode, ptxBrush->Alpha);
}
else
{
DoFillPathTextureClampSz3<agg::pixfmt_rgba32>(matrix, pImgBuff, dwImgWidth, dwImgHeight, nImgStride, wrapmode, ptxBrush->Alpha);
}
}
}
}
break;
}
case BrushTypeLinearGradient:
{
DoFillPathGradient((CBrushLinearGradient*)Brush);
break;
}
case BrushTypePathGradient:
{
DoFillPathGradient2((CBrushLinearGradient*)Brush);
break;
}
case BrushTypeMyTestGradient:
case BrushTypeNewLinearGradient:
case BrushTypeConicalGradient:
case BrushTypeRadialGradient:
case BrushTypeDiamondGradient:
case BrushTypeTriagnleMeshGradient:
case BrushTypeCurveGradient:
case BrushTypeTensorCurveGradient:
{
DoFillPathGradientType((CBrushLinearGradient*)Brush);
break;
}
default:
break;
}
}
template<class Rasterizer>
agg::trans_affine* CGraphics::DoStrokePath(NSStructures::CPen* pPen, CGraphicsPath* pPath, Rasterizer* pRasterizer)
{
agg::line_join_e LineJoin = agg::round_join;
switch(pPen->LineJoin)
{
case LineJoinMiter : LineJoin = agg::miter_join_revert; break;
case LineJoinBevel : LineJoin = agg::bevel_join; break;
case LineJoinRound : LineJoin = agg::round_join; break;
case LineJoinMiterClipped : LineJoin = agg::miter_join_revert; break;
default: break;
}
agg::line_cap_e LineCap = agg::round_cap;
switch(pPen->LineStartCap)
{
case LineCapFlat : LineCap = agg::butt_cap; break;
case LineCapRound : LineCap = agg::round_cap; break;
case LineCapSquare : LineCap = agg::square_cap; break;
default: break;
}
double dWidth = pPen->Size;
if (!m_bIntegerGrid && m_bIs0PenWidthAs1px)
{
double dWidthMinSize, dSqrtDet = sqrt(abs(m_oFullTransform.m_internal->m_agg_mtx.determinant()));
if (0 == dWidth)
{
double dX = 0.72, dY = 0.72;
agg::trans_affine invert = ~m_oFullTransform.m_internal->m_agg_mtx;
invert.transform_2x2(&dX, &dY);
dWidth = std::min(abs(dX), abs(dY));
}
else if (0 != dSqrtDet && dWidth < (dWidthMinSize = 1.0 / dSqrtDet))
dWidth = dWidthMinSize;
}
double dblMiterLimit = pPen->MiterLimit;
agg::path_storage path_copy(pPath->m_internal->m_agg_ps);
bool bIsUseIdentity = m_bIntegerGrid;
if (!bIsUseIdentity)
{
agg::trans_affine* full_trans = &m_oFullTransform.m_internal->m_agg_mtx;
double dDet = full_trans->determinant();
if (fabs(dDet) < 0.0001)
{
path_copy.transform_all_paths(m_oFullTransform.m_internal->m_agg_mtx);
dWidth *= sqrt(fabs(dDet));
bIsUseIdentity = true;
}
}
typedef agg::conv_curve<agg::path_storage> conv_crv_type;
conv_crv_type c_c_path(path_copy);
c_c_path.approximation_scale(25.0);
c_c_path.approximation_method(agg::curve_inc);
DashStyle eStyle = (DashStyle)pPen->DashStyle;
if (DashStyleCustom == eStyle)
{
if (0 == pPen->Count || NULL == pPen->DashPattern)
{
eStyle = DashStyleSolid;
}
else
{
bool bFoundNormal = false;
for (int i = 0; i < pPen->Count; i++)
{
if (fabs(pPen->DashPattern[i]) > 0.0001)
{
bFoundNormal = true;
break;
}
}
if (!bFoundNormal)
eStyle = DashStyleSolid;
}
}
agg::trans_affine* pAffine = &m_oFullTransform.m_internal->m_agg_mtx;
if (bIsUseIdentity)
pAffine = new agg::trans_affine();
if (DashStyleSolid == eStyle)
{
typedef agg::conv_stroke<conv_crv_type> Path_Conv_StrokeN;
Path_Conv_StrokeN pgN(c_c_path);
//pgN.line_join(agg::miter_join_revert);
pgN.line_cap(LineCap);
pgN.line_join(LineJoin);
pgN.inner_join(agg::inner_round);
pgN.miter_limit(dblMiterLimit);
pgN.width(dWidth);
pgN.approximation_scale(25.0);
typedef agg::conv_transform<Path_Conv_StrokeN> transStroke;
transStroke trans(pgN, *pAffine);
pRasterizer->add_path(trans);
}
else
{
typedef agg::conv_dash<conv_crv_type> Path_Conv_Dash;
Path_Conv_Dash poly2_dash(c_c_path);
typedef agg::conv_stroke<Path_Conv_Dash> Path_Conv_StrokeD;
Path_Conv_StrokeD pgD(poly2_dash);
switch (eStyle)
{
case DashStyleDash:
poly2_dash.add_dash(3.00*dWidth, dWidth);
break;
case DashStyleDot:
poly2_dash.add_dash(dWidth, dWidth);
break;
case DashStyleDashDot:
poly2_dash.add_dash(3.00*dWidth, dWidth);
poly2_dash.add_dash(dWidth, dWidth);
break;
case DashStyleDashDotDot:
poly2_dash.add_dash(3.00*dWidth, dWidth);
poly2_dash.add_dash(dWidth, dWidth);
poly2_dash.add_dash(dWidth, dWidth);
break;
default:
case DashStyleCustom:
{
double offset = pPen->DashOffset;
double* params = pPen->DashPattern;
LONG lCount = pPen->Count;
LONG lCount2 = lCount / 2;
double dKoef = 1.0;
for (LONG i = 0; i < lCount2; ++i)
{
if (0 == i)
{
poly2_dash.add_dash((params[i * 2]) * dKoef, params[i * 2 + 1] * dKoef);
}
else
{
poly2_dash.add_dash(params[i * 2] * dKoef, params[i * 2 + 1] * dKoef);
}
}
if (1 == (lCount % 2))
{
poly2_dash.add_dash(params[lCount - 1] * dKoef, 0);
}
poly2_dash.dash_start(offset * dKoef);
break;
}
}
double dWidthMinSize = 1.0 / sqrt(abs(m_oCoordTransform.m_internal->m_agg_mtx.determinant()));
if ((0 == dWidth && !m_bIntegerGrid) || dWidth < dWidthMinSize)
dWidth = dWidthMinSize;
pgD.line_cap(LineCap);
pgD.line_join(LineJoin);
pgD.miter_limit(dblMiterLimit);
pgD.width(dWidth);
agg::conv_transform<Path_Conv_StrokeD> trans(pgD, *pAffine);
pRasterizer->add_path(trans);
}
return bIsUseIdentity ? pAffine : NULL;
}
// text methods
int CGraphics::FillGlyph2(int nX, int nY, TGlyph* pGlyph, Aggplus::CBrush* pBrush)
{
int lWidth = pGlyph->oBitmap.nWidth;
int lHeight = pGlyph->oBitmap.nHeight;
BYTE* pData = pGlyph->oBitmap.pData;
int nFrameW = (int)m_frame_buffer.width();
int nFrameH = (int)m_frame_buffer.height();
if (NULL == pData)
return 0;
if (NULL == pData || (nX + lWidth < 0) || (nX >= nFrameW) || (nY + lHeight < 0))
return 0;
if (!m_oClip.IsClip() && (0 <= nX) && (0 <= nY) && ((nX + lWidth) < nFrameW) && ((nY + lHeight) < nFrameH))
{
return FillGlyphSimple(nX, nY, lWidth, lHeight, pData, pBrush);
}
typedef agg::scanline_u8_am<agg::alpha_mask_gray8> scanline_type;
agg::scanline_storage_aa8 storage;
//PrepareScanlineStorage(&storage, nX, nY, pGlyph);
for (int j = 0; j < lHeight; ++j)
{
agg::scanline_p8 sl;
sl.reset(nX, nX + lWidth);
sl.add_cells(nX, lWidth, pData + j * lWidth);
sl.finalize(nY + j);
storage.render(sl);
}
if (pBrush->GetType() == Aggplus::BrushTypeSolidColor)
{
CColor clr;
((CBrushSolid*)pBrush)->GetColor(&clr);
typedef agg::renderer_scanline_aa_solid<base_renderer_type> solid_renderer_type;
solid_renderer_type ren_fine(m_frame_buffer.ren_base());
ren_fine.color(clr.GetAggColor());
//agg::render_scanlines(storage, m_rasterizer.get_scanline(), ren_fine);
render_scanlines_2(storage, ren_fine);
}
return 0;
}
int CGraphics::FillGlyphSimple(int nX, int nY, LONG lWidth, LONG lHeight, BYTE* pData, Aggplus::CBrush* pBrush)
{
CColor clr;
((CBrushSolid*)pBrush)->GetColor(&clr);
typedef agg::renderer_scanline_aa_solid<base_renderer_type> solid_renderer_type;
solid_renderer_type ren_fine(m_frame_buffer.ren_base());
ren_fine.color(clr.GetAggColor());
if (m_nTextRenderMode == FT_RENDER_MODE_LCD)
{
ren_fine.render_subpix(lWidth / 3, lHeight, pData, nX, nY);
}
else
{
ren_fine.render(lWidth, lHeight, pData, nX, nY);
}
return 0;
}
void CGraphics::PrepareScanlineStorage(agg::scanline_storage_aa8* storage, int x, int y, TGlyphBitmap *pGlyph)
{
//agg::scanline_p8 sl;
int width = pGlyph->nWidth;
m_rasterizer.get_scanline().reset(x, x + width);
for (int j = 0; j < pGlyph->nHeight; ++j)
{
m_rasterizer.get_scanline().add_cells(x + j * width, width, pGlyph->pData + j * width);
}
m_rasterizer.get_scanline().finalize(y);
storage->render(m_rasterizer.get_scanline());
}
void CGraphics::UpdateUnits()
{
// здесь - пересчет координат
m_oCoordTransform.Reset();
double dScaleX = 1.0;
double dScaleY = 1.0;
switch (m_ePageUnits)
{
case UnitPoint:
{
dScaleX = m_dDpiX / c_ag_Inch_to_Point;
dScaleY = m_dDpiY / c_ag_Inch_to_Point;
break;
}
case UnitMillimeter:
{
dScaleX = m_dDpiX / c_ag_Inch_to_MM;
dScaleY = m_dDpiY / c_ag_Inch_to_MM;
break;
}
case UnitInch:
{
dScaleX = m_dDpiX;
dScaleY = m_dDpiY;
break;
}
default:
break;
};
m_oCoordTransform.Scale(dScaleX, dScaleY, MatrixOrderAppend);
CalculateFullTransform();
}
// Testing
void CGraphics::DoFillPathGradientType(CBrushLinearGradient *pBrush)
{
CDoubleRect& oBounds = pBrush->GetBounds();
CMatrix oMatrix;
agg::rect_d rect;
if (oBounds.GetWidth() > FLT_EPSILON || oBounds.GetHeight() > FLT_EPSILON)
{
rect.x1 = oBounds.left;
rect.y1 = oBounds.top;
rect.x2 = oBounds.right;
rect.y2 = oBounds.bottom;
oMatrix = m_oFullTransform;
oMatrix.Invert();
}
else
{
int x = m_rasterizer.get_rasterizer().min_x();
int y = m_rasterizer.get_rasterizer().min_y();
int r = m_rasterizer.get_rasterizer().max_x();
int b = m_rasterizer.get_rasterizer().max_y();
if (r < x || b < y)
return;
rect.x1 = x;
rect.x2 = r;
rect.y1 = y;
rect.y2 = b;
}
ScaleGranientInfo(pBrush->GetType(), pBrush->m_oGradientInfo);
typedef agg::gradient_base<agg::rgba8> gradient_span_gen;
gradient_span_gen span_gen;
span_gen.SetDirection(rect, oMatrix.m_internal->m_agg_mtx, m_bSwapRGB);
span_gen.SetGradientInfo(pBrush->m_oGradientInfo, pBrush->GetType());
agg::rgba8* pSubColors = NULL;
float* pSubBlends = NULL;
int nCountSubColors = pBrush->GetInterpolationColorsCount();
if( nCountSubColors > 0 )
{
pSubColors = new agg::rgba8[nCountSubColors];
pSubBlends = new float[nCountSubColors];
if( pSubColors && pSubBlends )
{
for( int i = 0; i < nCountSubColors; i++ )
{
CColor c;
pBrush->GetSubColor( i, &c, &pSubBlends[i] );
pSubColors[i] = agg::rgba8(c.GetB(), c.GetG(), c.GetR(), c.GetA());
}
span_gen.SetSubColors( pSubColors, pSubBlends, nCountSubColors );
}
}
typedef agg::span_allocator<gradient_span_gen::color_type> gradient_span_alloc;
gradient_span_alloc span_alloc;
typedef agg::renderer_scanline_aa<base_renderer_type, gradient_span_alloc, gradient_span_gen> renderer_gradient_type;
renderer_gradient_type ren_gradient( m_frame_buffer.ren_base(), span_alloc, span_gen );
if (fabs(m_dGlobalAlpha - 1.0) < FLT_EPSILON)
{
render_scanlines(ren_gradient);
}
else
{
m_rasterizer.gamma_multi(m_dGlobalAlpha);
render_scanlines(ren_gradient);
m_rasterizer.gamma(1.0);
}
if( pSubColors ) delete [] pSubColors;
if( pSubBlends ) delete [] pSubBlends;
}
void CGraphics::ScaleGranientInfo(long type, NSStructures::GradientInfo &ginfo)
{
if (type == BrushTypeMyTestGradient)
{
std::vector<float> new_map(6);
float M[6];
std::vector<float> G = ginfo.shading.mapping;
m_oFullTransform.GetElements(M);
new_map[0] = M[0] * G[0] + M[2] * G[1];
new_map[1] = M[1] * G[0] + M[3] * G[1];
new_map[2] = M[0] * G[2] + M[2] * G[3];
new_map[3] = M[1] * G[2] + M[3] * G[3];
new_map[4] = M[0] * G[4] + M[2] * G[5] + M[4];
new_map[5] = M[1] * G[4] + M[3] * G[5] + M[5];
ginfo.shading.mapping = new_map;
float D = new_map[0] * new_map[3] - new_map[1] * new_map[2];
ginfo.shading.inv_map[0] = new_map[3] / D;
ginfo.shading.inv_map[1] = -new_map[1] / D;
ginfo.shading.inv_map[2] = -new_map[2] / D;
ginfo.shading.inv_map[3] = new_map[0] / D;
ginfo.shading.inv_map[4] = -new_map[4];
ginfo.shading.inv_map[5] = -new_map[5];
return;
}
if (type == BrushTypeNewLinearGradient)
{
ScaleCoords(ginfo.shading.point1.x, ginfo.shading.point1.y);
ScaleCoords(ginfo.shading.point2.x, ginfo.shading.point2.y);
return;
}
if (type == BrushTypeRadialGradient)
{
ginfo.r0 = ginfo.r0 * sqrt(fabs(m_oFullTransform.Determinant()));
ginfo.r1 = ginfo.r1 * sqrt(fabs(m_oFullTransform.Determinant()));
ScaleCoords(ginfo.p0.x, ginfo.p0.y);
ScaleCoords(ginfo.p1.x, ginfo.p1.y);
return;
}
if (type == BrushTypeTriagnleMeshGradient)
{
for (int i = 0; i < 3; i++)
{
ScaleCoords(ginfo.shading.triangle[i].x, ginfo.shading.triangle[i].y);
}
return;
}
if (type == BrushTypeCurveGradient || type == BrushTypeTensorCurveGradient)
{
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
ScaleCoords(ginfo.shading.patch[i][j].x, ginfo.shading.patch[i][j].y);
}
}
return;
}
}
void CGraphics::ScaleCoords(float &x, float &y)
{
double newx = x;
double newy = y;
m_oFullTransform.TransformPoint(newx, newy);
x = newx;
y = newy;
return;
}
}