| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "xfa/fde/fde_gedevice.h" |
| |
| #include <algorithm> |
| |
| #include "xfa/fde/fde_geobject.h" |
| #include "xfa/fde/fde_object.h" |
| |
| IFDE_RenderDevice* IFDE_RenderDevice::Create(CFX_DIBitmap* pBitmap, |
| FX_BOOL bRgbByteOrder) { |
| if (pBitmap == NULL) { |
| return NULL; |
| } |
| CFX_FxgeDevice* pDevice = new CFX_FxgeDevice; |
| pDevice->Attach(pBitmap, 0, bRgbByteOrder); |
| return new CFDE_FxgeDevice(pDevice, TRUE); |
| } |
| IFDE_RenderDevice* IFDE_RenderDevice::Create(CFX_RenderDevice* pDevice) { |
| return pDevice ? new CFDE_FxgeDevice(pDevice, FALSE) : nullptr; |
| } |
| CFDE_FxgeDevice::CFDE_FxgeDevice(CFX_RenderDevice* pDevice, |
| FX_BOOL bOwnerDevice) |
| : m_pDevice(pDevice), |
| m_bOwnerDevice(bOwnerDevice), |
| m_pCharPos(NULL), |
| m_iCharCount(0) { |
| FXSYS_assert(pDevice != NULL); |
| FX_RECT rt = m_pDevice->GetClipBox(); |
| m_rtClip.Set((FX_FLOAT)rt.left, (FX_FLOAT)rt.top, (FX_FLOAT)rt.Width(), |
| (FX_FLOAT)rt.Height()); |
| } |
| CFDE_FxgeDevice::~CFDE_FxgeDevice() { |
| FX_Free(m_pCharPos); |
| if (m_bOwnerDevice) |
| delete m_pDevice; |
| } |
| int32_t CFDE_FxgeDevice::GetWidth() const { |
| return m_pDevice->GetWidth(); |
| } |
| int32_t CFDE_FxgeDevice::GetHeight() const { |
| return m_pDevice->GetHeight(); |
| } |
| FDE_HDEVICESTATE CFDE_FxgeDevice::SaveState() { |
| m_pDevice->SaveState(); |
| return NULL; |
| } |
| void CFDE_FxgeDevice::RestoreState(FDE_HDEVICESTATE hState) { |
| m_pDevice->RestoreState(); |
| const FX_RECT& rt = m_pDevice->GetClipBox(); |
| m_rtClip.Set((FX_FLOAT)rt.left, (FX_FLOAT)rt.top, (FX_FLOAT)rt.Width(), |
| (FX_FLOAT)rt.Height()); |
| } |
| FX_BOOL CFDE_FxgeDevice::SetClipRect(const CFX_RectF& rtClip) { |
| m_rtClip = rtClip; |
| return m_pDevice->SetClip_Rect(FX_RECT((int32_t)FXSYS_floor(rtClip.left), |
| (int32_t)FXSYS_floor(rtClip.top), |
| (int32_t)FXSYS_ceil(rtClip.right()), |
| (int32_t)FXSYS_ceil(rtClip.bottom()))); |
| } |
| const CFX_RectF& CFDE_FxgeDevice::GetClipRect() { |
| return m_rtClip; |
| } |
| FX_BOOL CFDE_FxgeDevice::SetClipPath(const IFDE_Path* pClip) { |
| return FALSE; |
| } |
| IFDE_Path* CFDE_FxgeDevice::GetClipPath() const { |
| return NULL; |
| } |
| FX_FLOAT CFDE_FxgeDevice::GetDpiX() const { |
| return 96; |
| } |
| FX_FLOAT CFDE_FxgeDevice::GetDpiY() const { |
| return 96; |
| } |
| FX_BOOL CFDE_FxgeDevice::DrawImage(CFX_DIBSource* pDib, |
| const CFX_RectF* pSrcRect, |
| const CFX_RectF& dstRect, |
| const CFX_Matrix* pImgMatrix, |
| const CFX_Matrix* pDevMatrix) { |
| FXSYS_assert(pDib != NULL); |
| CFX_RectF srcRect; |
| if (pSrcRect) { |
| srcRect = *pSrcRect; |
| } else { |
| srcRect.Set(0, 0, (FX_FLOAT)pDib->GetWidth(), (FX_FLOAT)pDib->GetHeight()); |
| } |
| if (srcRect.IsEmpty()) { |
| return FALSE; |
| } |
| CFX_Matrix dib2fxdev; |
| if (pImgMatrix) { |
| dib2fxdev = *pImgMatrix; |
| } else { |
| dib2fxdev.SetIdentity(); |
| } |
| dib2fxdev.a = dstRect.width; |
| dib2fxdev.d = -dstRect.height; |
| dib2fxdev.e = dstRect.left; |
| dib2fxdev.f = dstRect.bottom(); |
| if (pDevMatrix) { |
| dib2fxdev.Concat(*pDevMatrix); |
| } |
| void* handle = NULL; |
| m_pDevice->StartDIBits(pDib, 255, 0, (const CFX_Matrix*)&dib2fxdev, 0, |
| handle); |
| while (m_pDevice->ContinueDIBits(handle, NULL)) { |
| } |
| m_pDevice->CancelDIBits(handle); |
| return handle != NULL; |
| } |
| FX_BOOL CFDE_FxgeDevice::DrawString(CFDE_Brush* pBrush, |
| IFX_Font* pFont, |
| const FXTEXT_CHARPOS* pCharPos, |
| int32_t iCount, |
| FX_FLOAT fFontSize, |
| const CFX_Matrix* pMatrix) { |
| FXSYS_assert(pBrush != NULL && pFont != NULL && pCharPos != NULL && |
| iCount > 0); |
| CFX_FontCache* pCache = CFX_GEModule::Get()->GetFontCache(); |
| CFX_Font* pFxFont = (CFX_Font*)pFont->GetDevFont(); |
| |
| FX_ARGB argb = pBrush->GetColor(); |
| if ((pFont->GetFontStyles() & FX_FONTSTYLE_Italic) != 0 && |
| !pFxFont->IsItalic()) { |
| FXTEXT_CHARPOS* pCP = (FXTEXT_CHARPOS*)pCharPos; |
| FX_FLOAT* pAM; |
| for (int32_t i = 0; i < iCount; ++i) { |
| static const FX_FLOAT mc = 0.267949f; |
| pAM = pCP->m_AdjustMatrix; |
| pAM[2] = mc * pAM[0] + pAM[2]; |
| pAM[3] = mc * pAM[1] + pAM[3]; |
| pCP++; |
| } |
| } |
| FXTEXT_CHARPOS* pCP = (FXTEXT_CHARPOS*)pCharPos; |
| IFX_Font* pCurFont = NULL; |
| IFX_Font* pSTFont = NULL; |
| FXTEXT_CHARPOS* pCurCP = NULL; |
| int32_t iCurCount = 0; |
| |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| uint32_t dwFontStyle = pFont->GetFontStyles(); |
| CFX_Font FxFont; |
| CFX_SubstFont SubstFxFont; |
| FxFont.SetSubstFont(&SubstFxFont); |
| SubstFxFont.m_Weight = dwFontStyle & FX_FONTSTYLE_Bold ? 700 : 400; |
| SubstFxFont.m_WeightCJK = SubstFxFont.m_Weight; |
| SubstFxFont.m_ItalicAngle = dwFontStyle & FX_FONTSTYLE_Italic ? -12 : 0; |
| SubstFxFont.m_bItlicCJK = !!(dwFontStyle & FX_FONTSTYLE_Italic); |
| #endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| |
| for (int32_t i = 0; i < iCount; ++i) { |
| pSTFont = pFont->GetSubstFont((int32_t)pCP->m_GlyphIndex); |
| pCP->m_GlyphIndex &= 0x00FFFFFF; |
| pCP->m_bFontStyle = FALSE; |
| if (pCurFont != pSTFont) { |
| if (pCurFont != NULL) { |
| pFxFont = (CFX_Font*)pCurFont->GetDevFont(); |
| |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| FxFont.SetFace(pFxFont->GetFace()); |
| m_pDevice->DrawNormalText(iCurCount, pCurCP, &FxFont, pCache, |
| -fFontSize, (const CFX_Matrix*)pMatrix, argb, |
| FXTEXT_CLEARTYPE); |
| #else |
| m_pDevice->DrawNormalText(iCurCount, pCurCP, pFxFont, pCache, |
| -fFontSize, (const CFX_Matrix*)pMatrix, argb, |
| FXTEXT_CLEARTYPE); |
| #endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| } |
| pCurFont = pSTFont; |
| pCurCP = pCP; |
| iCurCount = 1; |
| } else { |
| iCurCount++; |
| } |
| pCP++; |
| } |
| if (pCurFont != NULL && iCurCount) { |
| pFxFont = (CFX_Font*)pCurFont->GetDevFont(); |
| |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| FxFont.SetFace(pFxFont->GetFace()); |
| FX_BOOL bRet = m_pDevice->DrawNormalText( |
| iCurCount, pCurCP, &FxFont, pCache, -fFontSize, |
| (const CFX_Matrix*)pMatrix, argb, FXTEXT_CLEARTYPE); |
| FxFont.SetSubstFont(nullptr); |
| FxFont.SetFace(nullptr); |
| return bRet; |
| #else |
| return m_pDevice->DrawNormalText(iCurCount, pCurCP, pFxFont, pCache, |
| -fFontSize, (const CFX_Matrix*)pMatrix, |
| argb, FXTEXT_CLEARTYPE); |
| #endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| } |
| |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| FxFont.SetSubstFont(nullptr); |
| FxFont.SetFace(nullptr); |
| #endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| |
| return TRUE; |
| } |
| |
| FX_BOOL CFDE_FxgeDevice::DrawBezier(CFDE_Pen* pPen, |
| FX_FLOAT fPenWidth, |
| const CFX_PointF& pt1, |
| const CFX_PointF& pt2, |
| const CFX_PointF& pt3, |
| const CFX_PointF& pt4, |
| const CFX_Matrix* pMatrix) { |
| CFX_PointsF points; |
| points.Add(pt1); |
| points.Add(pt2); |
| points.Add(pt3); |
| points.Add(pt4); |
| CFDE_Path path; |
| path.AddBezier(points); |
| return DrawPath(pPen, fPenWidth, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::DrawCurve(CFDE_Pen* pPen, |
| FX_FLOAT fPenWidth, |
| const CFX_PointsF& points, |
| FX_BOOL bClosed, |
| FX_FLOAT fTension, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path path; |
| path.AddCurve(points, bClosed, fTension); |
| return DrawPath(pPen, fPenWidth, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::DrawEllipse(CFDE_Pen* pPen, |
| FX_FLOAT fPenWidth, |
| const CFX_RectF& rect, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path path; |
| path.AddEllipse(rect); |
| return DrawPath(pPen, fPenWidth, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::DrawLines(CFDE_Pen* pPen, |
| FX_FLOAT fPenWidth, |
| const CFX_PointsF& points, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path path; |
| path.AddLines(points); |
| return DrawPath(pPen, fPenWidth, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::DrawLine(CFDE_Pen* pPen, |
| FX_FLOAT fPenWidth, |
| const CFX_PointF& pt1, |
| const CFX_PointF& pt2, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path path; |
| path.AddLine(pt1, pt2); |
| return DrawPath(pPen, fPenWidth, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::DrawPath(CFDE_Pen* pPen, |
| FX_FLOAT fPenWidth, |
| const IFDE_Path* pPath, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path* pGePath = (CFDE_Path*)pPath; |
| if (pGePath == NULL) { |
| return FALSE; |
| } |
| CFX_GraphStateData graphState; |
| if (!CreatePen(pPen, fPenWidth, graphState)) { |
| return FALSE; |
| } |
| return m_pDevice->DrawPath(&pGePath->m_Path, (const CFX_Matrix*)pMatrix, |
| &graphState, 0, pPen->GetColor(), 0); |
| } |
| FX_BOOL CFDE_FxgeDevice::DrawPolygon(CFDE_Pen* pPen, |
| FX_FLOAT fPenWidth, |
| const CFX_PointsF& points, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path path; |
| path.AddPolygon(points); |
| return DrawPath(pPen, fPenWidth, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::DrawRectangle(CFDE_Pen* pPen, |
| FX_FLOAT fPenWidth, |
| const CFX_RectF& rect, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path path; |
| path.AddRectangle(rect); |
| return DrawPath(pPen, fPenWidth, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::FillClosedCurve(CFDE_Brush* pBrush, |
| const CFX_PointsF& points, |
| FX_FLOAT fTension, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path path; |
| path.AddCurve(points, TRUE, fTension); |
| return FillPath(pBrush, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::FillEllipse(CFDE_Brush* pBrush, |
| const CFX_RectF& rect, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path path; |
| path.AddEllipse(rect); |
| return FillPath(pBrush, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::FillPolygon(CFDE_Brush* pBrush, |
| const CFX_PointsF& points, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path path; |
| path.AddPolygon(points); |
| return FillPath(pBrush, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::FillRectangle(CFDE_Brush* pBrush, |
| const CFX_RectF& rect, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path path; |
| path.AddRectangle(rect); |
| return FillPath(pBrush, &path, pMatrix); |
| } |
| FX_BOOL CFDE_FxgeDevice::CreatePen(CFDE_Pen* pPen, |
| FX_FLOAT fPenWidth, |
| CFX_GraphStateData& graphState) { |
| if (!pPen) |
| return FALSE; |
| |
| graphState.m_LineCap = CFX_GraphStateData::LineCapButt; |
| graphState.m_LineJoin = CFX_GraphStateData::LineJoinMiter; |
| graphState.m_LineWidth = fPenWidth; |
| graphState.m_MiterLimit = 10; |
| graphState.m_DashPhase = 0; |
| return TRUE; |
| } |
| |
| FX_BOOL CFDE_FxgeDevice::FillPath(CFDE_Brush* pBrush, |
| const IFDE_Path* pPath, |
| const CFX_Matrix* pMatrix) { |
| CFDE_Path* pGePath = (CFDE_Path*)pPath; |
| if (!pGePath) |
| return FALSE; |
| if (!pBrush) |
| return FALSE; |
| return m_pDevice->DrawPath(&pGePath->m_Path, pMatrix, nullptr, |
| pBrush->GetColor(), 0, FXFILL_WINDING); |
| } |
| |
