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Diffstat (limited to 'xfa/src/fde/fde_render.cpp')
| -rw-r--r-- | xfa/src/fde/fde_render.cpp | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/xfa/src/fde/fde_render.cpp b/xfa/src/fde/fde_render.cpp deleted file mode 100644 index b4330cc084..0000000000 --- a/xfa/src/fde/fde_render.cpp +++ /dev/null @@ -1,291 +0,0 @@ -// 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/src/fde/fde_render.h" - -#include "xfa/src/fde/fde_renderdevice.h" -#include "xfa/src/fgas/crt/fgas_memory.h" - -#define FDE_PATHRENDER_Stroke 1 -#define FDE_PATHRENDER_Fill 2 - -namespace { - -class CFDE_RenderContext : public IFDE_RenderContext, - public CFX_Target { - public: - CFDE_RenderContext(); - virtual ~CFDE_RenderContext(); - virtual void Release() { delete this; } - virtual FX_BOOL StartRender(IFDE_RenderDevice* pRenderDevice, - IFDE_CanvasSet* pCanvasSet, - const CFX_Matrix& tmDoc2Device); - virtual FDE_RENDERSTATUS GetStatus() const { return m_eStatus; } - virtual FDE_RENDERSTATUS DoRender(IFX_Pause* pPause = NULL); - virtual void StopRender(); - void RenderPath(IFDE_PathSet* pPathSet, FDE_HVISUALOBJ hPath); - void RenderText(IFDE_TextSet* pTextSet, FDE_HVISUALOBJ hText); - FX_BOOL ApplyClip(IFDE_VisualSet* pVisualSet, - FDE_HVISUALOBJ hObj, - FDE_HDEVICESTATE& hState); - void RestoreClip(FDE_HDEVICESTATE hState); - - protected: - FDE_RENDERSTATUS m_eStatus; - IFDE_RenderDevice* m_pRenderDevice; - IFDE_SolidBrush* m_pSolidBrush; - CFX_Matrix m_Transform; - FXTEXT_CHARPOS* m_pCharPos; - int32_t m_iCharPosCount; - IFDE_VisualSetIterator* m_pIterator; -}; - -} // namespace - -void FDE_GetPageMatrix(CFX_Matrix& pageMatrix, - const CFX_RectF& docPageRect, - const CFX_Rect& devicePageRect, - int32_t iRotate, - FX_DWORD dwCoordinatesType) { - FXSYS_assert(iRotate >= 0 && iRotate <= 3); - FX_BOOL bFlipX = (dwCoordinatesType & 0x01) != 0; - FX_BOOL bFlipY = (dwCoordinatesType & 0x02) != 0; - CFX_Matrix m; - m.Set((bFlipX ? -1.0f : 1.0f), 0, 0, (bFlipY ? -1.0f : 1.0f), 0, 0); - if (iRotate == 0 || iRotate == 2) { - m.a *= (FX_FLOAT)devicePageRect.width / docPageRect.width; - m.d *= (FX_FLOAT)devicePageRect.height / docPageRect.height; - } else { - m.a *= (FX_FLOAT)devicePageRect.height / docPageRect.width; - m.d *= (FX_FLOAT)devicePageRect.width / docPageRect.height; - } - m.Rotate(iRotate * 1.57079632675f); - switch (iRotate) { - case 0: - m.e = bFlipX ? (FX_FLOAT)devicePageRect.right() - : (FX_FLOAT)devicePageRect.left; - m.f = bFlipY ? (FX_FLOAT)devicePageRect.bottom() - : (FX_FLOAT)devicePageRect.top; - break; - case 1: - m.e = bFlipY ? (FX_FLOAT)devicePageRect.left - : (FX_FLOAT)devicePageRect.right(); - m.f = bFlipX ? (FX_FLOAT)devicePageRect.bottom() - : (FX_FLOAT)devicePageRect.top; - break; - case 2: - m.e = bFlipX ? (FX_FLOAT)devicePageRect.left - : (FX_FLOAT)devicePageRect.right(); - m.f = bFlipY ? (FX_FLOAT)devicePageRect.top - : (FX_FLOAT)devicePageRect.bottom(); - break; - case 3: - m.e = bFlipY ? (FX_FLOAT)devicePageRect.right() - : (FX_FLOAT)devicePageRect.left; - m.f = bFlipX ? (FX_FLOAT)devicePageRect.top - : (FX_FLOAT)devicePageRect.bottom(); - break; - default: - break; - } - pageMatrix = m; -} -IFDE_RenderContext* IFDE_RenderContext::Create() { - return new CFDE_RenderContext; -} -CFDE_RenderContext::CFDE_RenderContext() - : m_eStatus(FDE_RENDERSTATUS_Reset), - m_pRenderDevice(NULL), - m_pSolidBrush(NULL), - m_Transform(), - m_pCharPos(NULL), - m_iCharPosCount(0), - m_pIterator(NULL) { - m_Transform.SetIdentity(); -} -CFDE_RenderContext::~CFDE_RenderContext() { - StopRender(); -} -FX_BOOL CFDE_RenderContext::StartRender(IFDE_RenderDevice* pRenderDevice, - IFDE_CanvasSet* pCanvasSet, - const CFX_Matrix& tmDoc2Device) { - if (m_pRenderDevice != NULL) { - return FALSE; - } - if (pRenderDevice == NULL) { - return FALSE; - } - if (pCanvasSet == NULL) { - return FALSE; - } - - m_eStatus = FDE_RENDERSTATUS_Paused; - m_pRenderDevice = pRenderDevice; - m_Transform = tmDoc2Device; - if (m_pIterator == NULL) { - m_pIterator = IFDE_VisualSetIterator::Create(); - FXSYS_assert(m_pIterator != NULL); - } - return m_pIterator->AttachCanvas(pCanvasSet) && m_pIterator->FilterObjects(); -} -FDE_RENDERSTATUS CFDE_RenderContext::DoRender(IFX_Pause* pPause) { - if (m_pRenderDevice == NULL) { - return FDE_RENDERSTATUS_Failed; - } - if (m_pIterator == NULL) { - return FDE_RENDERSTATUS_Failed; - } - FDE_RENDERSTATUS eStatus = FDE_RENDERSTATUS_Paused; - CFX_Matrix rm; - rm.SetReverse(m_Transform); - CFX_RectF rtDocClip = m_pRenderDevice->GetClipRect(); - if (rtDocClip.IsEmpty()) { - rtDocClip.left = rtDocClip.top = 0; - rtDocClip.width = (FX_FLOAT)m_pRenderDevice->GetWidth(); - rtDocClip.height = (FX_FLOAT)m_pRenderDevice->GetHeight(); - } - rm.TransformRect(rtDocClip); - IFDE_VisualSet* pVisualSet; - FDE_HVISUALOBJ hVisualObj; - CFX_RectF rtObj; - int32_t iCount = 0; - while (TRUE) { - hVisualObj = m_pIterator->GetNext(pVisualSet); - if (hVisualObj == NULL || pVisualSet == NULL) { - eStatus = FDE_RENDERSTATUS_Done; - break; - } - rtObj.Empty(); - pVisualSet->GetRect(hVisualObj, rtObj); - if (!rtDocClip.IntersectWith(rtObj)) { - continue; - } - switch (pVisualSet->GetType()) { - case FDE_VISUALOBJ_Text: - RenderText((IFDE_TextSet*)pVisualSet, hVisualObj); - iCount += 5; - break; - case FDE_VISUALOBJ_Path: - RenderPath((IFDE_PathSet*)pVisualSet, hVisualObj); - iCount += 20; - break; - case FDE_VISUALOBJ_Widget: - iCount += 10; - break; - case FDE_VISUALOBJ_Canvas: - FXSYS_assert(FALSE); - break; - default: - break; - } - if (iCount >= 100 && pPause != NULL && pPause->NeedToPauseNow()) { - eStatus = FDE_RENDERSTATUS_Paused; - break; - } - } - return m_eStatus = eStatus; -} -void CFDE_RenderContext::StopRender() { - m_eStatus = FDE_RENDERSTATUS_Reset; - m_pRenderDevice = nullptr; - m_Transform.SetIdentity(); - if (m_pIterator) { - m_pIterator->Release(); - m_pIterator = nullptr; - } - if (m_pSolidBrush) { - m_pSolidBrush->Release(); - m_pSolidBrush = nullptr; - } - FX_Free(m_pCharPos); - m_pCharPos = nullptr; - m_iCharPosCount = 0; -} -void CFDE_RenderContext::RenderText(IFDE_TextSet* pTextSet, - FDE_HVISUALOBJ hText) { - FXSYS_assert(m_pRenderDevice != NULL); - FXSYS_assert(pTextSet != NULL && hText != NULL); - IFX_Font* pFont = pTextSet->GetFont(hText); - if (pFont == NULL) { - return; - } - int32_t iCount = pTextSet->GetDisplayPos(hText, NULL, FALSE); - if (iCount < 1) { - return; - } - if (m_pSolidBrush == NULL) { - m_pSolidBrush = (IFDE_SolidBrush*)IFDE_Brush::Create(FDE_BRUSHTYPE_Solid); - if (m_pSolidBrush == NULL) { - return; - } - } - if (m_pCharPos == NULL) { - m_pCharPos = FX_Alloc(FXTEXT_CHARPOS, iCount); - } else if (m_iCharPosCount < iCount) { - m_pCharPos = FX_Realloc(FXTEXT_CHARPOS, m_pCharPos, iCount); - } - if (m_iCharPosCount < iCount) { - m_iCharPosCount = iCount; - } - iCount = pTextSet->GetDisplayPos(hText, m_pCharPos, FALSE); - FX_FLOAT fFontSize = pTextSet->GetFontSize(hText); - FX_ARGB dwColor = pTextSet->GetFontColor(hText); - m_pSolidBrush->SetColor(dwColor); - FDE_HDEVICESTATE hState; - FX_BOOL bClip = ApplyClip(pTextSet, hText, hState); - m_pRenderDevice->DrawString(m_pSolidBrush, pFont, m_pCharPos, iCount, - fFontSize, &m_Transform); - if (bClip) { - RestoreClip(hState); - } -} -void CFDE_RenderContext::RenderPath(IFDE_PathSet* pPathSet, - FDE_HVISUALOBJ hPath) { - FXSYS_assert(m_pRenderDevice != NULL); - FXSYS_assert(pPathSet != NULL && hPath != NULL); - IFDE_Path* pPath = pPathSet->GetPath(hPath); - if (pPath == NULL) { - return; - } - FDE_HDEVICESTATE hState; - FX_BOOL bClip = ApplyClip(pPathSet, hPath, hState); - int32_t iRenderMode = pPathSet->GetRenderMode(hPath); - if (iRenderMode & FDE_PATHRENDER_Stroke) { - IFDE_Pen* pPen = pPathSet->GetPen(hPath); - FX_FLOAT fWidth = pPathSet->GetPenWidth(hPath); - if (pPen != NULL && fWidth > 0) { - m_pRenderDevice->DrawPath(pPen, fWidth, pPath, &m_Transform); - } - } - if (iRenderMode & FDE_PATHRENDER_Fill) { - IFDE_Brush* pBrush = pPathSet->GetBrush(hPath); - if (pBrush != NULL) { - m_pRenderDevice->FillPath(pBrush, pPath, &m_Transform); - } - } - if (bClip) { - RestoreClip(hState); - } -} -FX_BOOL CFDE_RenderContext::ApplyClip(IFDE_VisualSet* pVisualSet, - FDE_HVISUALOBJ hObj, - FDE_HDEVICESTATE& hState) { - CFX_RectF rtClip; - if (!pVisualSet->GetClip(hObj, rtClip)) { - return FALSE; - } - CFX_RectF rtObj; - pVisualSet->GetRect(hObj, rtObj); - rtClip.Offset(rtObj.left, rtObj.top); - m_Transform.TransformRect(rtClip); - const CFX_RectF& rtDevClip = m_pRenderDevice->GetClipRect(); - rtClip.Intersect(rtDevClip); - hState = m_pRenderDevice->SaveState(); - return m_pRenderDevice->SetClipRect(rtClip); -} -void CFDE_RenderContext::RestoreClip(FDE_HDEVICESTATE hState) { - m_pRenderDevice->RestoreState(hState); -} |