| // 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/cfde_renderdevice.h" |
| |
| #include <algorithm> |
| #include <memory> |
| #include <utility> |
| |
| #include "core/fxge/cfx_graphstatedata.h" |
| #include "core/fxge/cfx_pathdata.h" |
| #include "core/fxge/cfx_renderdevice.h" |
| #include "core/fxge/cfx_substfont.h" |
| #include "core/fxge/dib/cfx_imagerenderer.h" |
| #include "third_party/base/ptr_util.h" |
| #include "xfa/fgas/font/cfgas_fontmgr.h" |
| #include "xfa/fgas/font/cfgas_gefont.h" |
| |
| CFDE_RenderDevice::CFDE_RenderDevice(CFX_RenderDevice* pDevice) |
| : m_pDevice(pDevice) { |
| ASSERT(pDevice); |
| |
| FX_RECT rt = m_pDevice->GetClipBox(); |
| m_rtClip = CFX_RectF(static_cast<float>(rt.left), static_cast<float>(rt.top), |
| static_cast<float>(rt.Width()), |
| static_cast<float>(rt.Height())); |
| } |
| |
| CFDE_RenderDevice::~CFDE_RenderDevice() {} |
| |
| int32_t CFDE_RenderDevice::GetWidth() const { |
| return m_pDevice->GetWidth(); |
| } |
| |
| int32_t CFDE_RenderDevice::GetHeight() const { |
| return m_pDevice->GetHeight(); |
| } |
| |
| void CFDE_RenderDevice::SaveState() { |
| m_pDevice->SaveState(); |
| } |
| |
| void CFDE_RenderDevice::RestoreState() { |
| m_pDevice->RestoreState(false); |
| const FX_RECT& rt = m_pDevice->GetClipBox(); |
| m_rtClip = CFX_RectF(static_cast<float>(rt.left), static_cast<float>(rt.top), |
| static_cast<float>(rt.Width()), |
| static_cast<float>(rt.Height())); |
| } |
| |
| bool CFDE_RenderDevice::SetClipRect(const CFX_RectF& rtClip) { |
| m_rtClip = rtClip; |
| return m_pDevice->SetClip_Rect( |
| FX_RECT((int32_t)floor(rtClip.left), (int32_t)floor(rtClip.top), |
| (int32_t)ceil(rtClip.right()), (int32_t)ceil(rtClip.bottom()))); |
| } |
| |
| const CFX_RectF& CFDE_RenderDevice::GetClipRect() { |
| return m_rtClip; |
| } |
| |
| bool CFDE_RenderDevice::DrawString(FX_ARGB color, |
| const CFX_RetainPtr<CFGAS_GEFont>& pFont, |
| const FXTEXT_CHARPOS* pCharPos, |
| int32_t iCount, |
| float fFontSize, |
| const CFX_Matrix* pMatrix) { |
| ASSERT(pFont && pCharPos && iCount > 0); |
| CFX_Font* pFxFont = pFont->GetDevFont(); |
| if ((pFont->GetFontStyles() & FX_FONTSTYLE_Italic) != 0 && |
| !pFxFont->IsItalic()) { |
| FXTEXT_CHARPOS* pCP = (FXTEXT_CHARPOS*)pCharPos; |
| float* pAM; |
| for (int32_t i = 0; i < iCount; ++i) { |
| static const 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; |
| CFX_RetainPtr<CFGAS_GEFont> pCurFont; |
| CFX_RetainPtr<CFGAS_GEFont> pSTFont; |
| FXTEXT_CHARPOS* pCurCP = nullptr; |
| int32_t iCurCount = 0; |
| |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| uint32_t dwFontStyle = pFont->GetFontStyles(); |
| CFX_Font FxFont; |
| auto SubstFxFont = pdfium::MakeUnique<CFX_SubstFont>(); |
| SubstFxFont->m_Weight = dwFontStyle & FX_FONTSTYLE_Bold ? 700 : 400; |
| SubstFxFont->m_ItalicAngle = dwFontStyle & FX_FONTSTYLE_Italic ? -12 : 0; |
| SubstFxFont->m_WeightCJK = SubstFxFont->m_Weight; |
| SubstFxFont->m_bItalicCJK = !!(dwFontStyle & FX_FONTSTYLE_Italic); |
| FxFont.SetSubstFont(std::move(SubstFxFont)); |
| #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) { |
| pFxFont = pCurFont->GetDevFont(); |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| FxFont.SetFace(pFxFont->GetFace()); |
| m_pDevice->DrawNormalText(iCurCount, pCurCP, &FxFont, -fFontSize, |
| pMatrix, color, FXTEXT_CLEARTYPE); |
| #else |
| m_pDevice->DrawNormalText(iCurCount, pCurCP, pFxFont, -fFontSize, |
| pMatrix, color, FXTEXT_CLEARTYPE); |
| #endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| } |
| pCurFont = pSTFont; |
| pCurCP = pCP; |
| iCurCount = 1; |
| } else { |
| iCurCount++; |
| } |
| pCP++; |
| } |
| if (pCurFont && iCurCount) { |
| pFxFont = pCurFont->GetDevFont(); |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| FxFont.SetFace(pFxFont->GetFace()); |
| bool bRet = |
| m_pDevice->DrawNormalText(iCurCount, pCurCP, &FxFont, -fFontSize, |
| pMatrix, color, FXTEXT_CLEARTYPE); |
| FxFont.SetFace(nullptr); |
| return bRet; |
| #else |
| return m_pDevice->DrawNormalText(iCurCount, pCurCP, pFxFont, -fFontSize, |
| pMatrix, color, FXTEXT_CLEARTYPE); |
| #endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| } |
| |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| FxFont.SetFace(nullptr); |
| #endif // _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| |
| return true; |
| } |
| |
| bool CFDE_RenderDevice::DrawPath(FX_ARGB color, |
| float fPenWidth, |
| const CFX_PathData& pPath, |
| const CFX_Matrix* pMatrix) { |
| CFX_GraphStateData graphState; |
| 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 m_pDevice->DrawPath(&pPath, pMatrix, &graphState, 0, color, 0); |
| } |