FX_BOOL considered harmful, part 2.

core/src/fpdfapi/fpdf_render/fpdf_render.cpp

 // 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 "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fpdfapi/fpdf_render.h"
 #include "../../../include/fxge/fx_ge.h"
 #include "../fpdf_page/pageint.h"
 #include "render_int.h"
 
 CPDF_DocRenderData::CPDF_DocRenderData(CPDF_Document* pPDFDoc)
     : m_pPDFDoc(pPDFDoc),
       m_pFontCache(new CFX_FontCache)
 {
 }
 
 CPDF_DocRenderData::~CPDF_DocRenderData()
 {
-    Clear(TRUE);
+    Clear(true);
 }
 
-void CPDF_DocRenderData::Clear(FX_BOOL bRelease)
+void CPDF_DocRenderData::Clear(bool bRelease)
 {
     for (auto it = m_Type3FaceMap.begin(); it != m_Type3FaceMap.end();) {
         auto curr_it = it++;
         CPDF_CountedObject<CPDF_Type3Cache>* cache = curr_it->second;
         if (bRelease || cache->use_count() < 2) {
             delete cache->get();
             delete cache;
             m_Type3FaceMap.erase(curr_it);
         }
     }
 
     for (auto it = m_TransferFuncMap.begin(); it != m_TransferFuncMap.end();) {
         auto curr_it = it++;
         CPDF_CountedObject<CPDF_TransferFunc>* value = curr_it->second;
         if (bRelease || value->use_count() < 2) {
             delete value->get();
             delete value;
             m_TransferFuncMap.erase(curr_it);
         }
     }
 
     if (m_pFontCache) {
         if (bRelease) {
             delete m_pFontCache;
             m_pFontCache = NULL;
         } else {
-            m_pFontCache->FreeCache(FALSE);
+            m_pFontCache->FreeCache(false);
         }
     }
 }
 
 CPDF_Type3Cache* CPDF_DocRenderData::GetCachedType3(CPDF_Type3Font* pFont)
 {
     CPDF_CountedObject<CPDF_Type3Cache>* pCache;
     auto it = m_Type3FaceMap.find(pFont);
     if (it == m_Type3FaceMap.end()) {
         CPDF_Type3Cache* pType3 = new CPDF_Type3Cache(pFont);
@@ skipping 49 matching lines @@
 {
     return new CPDF_DocRenderData(pDoc);
 }
 void CPDF_RenderModule::DestroyDocData(CPDF_DocRenderData* pDocData)
 {
     delete pDocData;
 }
 void CPDF_RenderModule::ClearDocData(CPDF_DocRenderData* p)
 {
     if (p) {
-        p->Clear(FALSE);
+        p->Clear(false);
     }
 }
 void CPDF_RenderModule::DestroyPageCache(CPDF_PageRenderCache* pCache)
 {
     delete pCache;
 }
 
 void CPDF_ModuleMgr::InitRenderModule()
 {
     m_pRenderModule.reset(new CPDF_RenderModule);
@@ skipping 41 matching lines @@
     b = (bb - fb) * gray / 255 + fb;
     return ArgbEncode(a, r, g, b);
 }
 
 // static
 int CPDF_RenderStatus::s_CurrentRecursionDepth = 0;
 
 CPDF_RenderStatus::CPDF_RenderStatus()
 {
     m_pContext = NULL;
-    m_bStopped = FALSE;
+    m_bStopped = false;
     m_pDevice = NULL;
     m_pCurObj = NULL;
     m_pStopObj = NULL;
     m_HalftoneLimit = 0;
     m_pObjectRenderer = NULL;
-    m_bPrint = FALSE;
+    m_bPrint = false;
     m_Transparency = 0;
     m_DitherBits = 0;
-    m_bDropObjects = FALSE;
-    m_bStdCS = FALSE;
+    m_bDropObjects = false;
+    m_bStdCS = false;
     m_GroupFamily = 0;
-    m_bLoadMask = FALSE;
+    m_bLoadMask = false;
     m_pType3Char = NULL;
     m_T3FillColor = 0;
     m_pFormResource = NULL;
     m_pPageResource = NULL;
     m_curBlend = FXDIB_BLEND_NORMAL;
 }
 
 CPDF_RenderStatus::~CPDF_RenderStatus()
 {
     delete m_pObjectRenderer;
 }
 
-FX_BOOL CPDF_RenderStatus::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice,
+bool CPDF_RenderStatus::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice,
                                       const CFX_AffineMatrix* pDeviceMatrix, const CPDF_PageObject* pStopObj,
                                       const CPDF_RenderStatus* pParentState, const CPDF_GraphicStates* pInitialStates,
-                                      const CPDF_RenderOptions* pOptions, int transparency, FX_BOOL bDropObjects,
-                                      CPDF_Dictionary* pFormResource, FX_BOOL bStdCS, CPDF_Type3Char* pType3Char,
+                                      const CPDF_RenderOptions* pOptions, int transparency, bool bDropObjects,
+                                      CPDF_Dictionary* pFormResource, bool bStdCS, CPDF_Type3Char* pType3Char,
                                       FX_ARGB fill_color, FX_DWORD GroupFamily,
-                                      FX_BOOL bLoadMask)
+                                      bool bLoadMask)
 {
     m_pContext = pContext;
     m_pDevice = pDevice;
     m_DitherBits = pDevice->GetDeviceCaps(FXDC_DITHER_BITS);
     m_bPrint = m_pDevice->GetDeviceClass() != FXDC_DISPLAY;
     if (pDeviceMatrix) {
         m_DeviceMatrix = *pDeviceMatrix;
     }
     m_pStopObj = pStopObj;
     if (pOptions) {
@@ skipping 21 matching lines @@
                 CPDF_ColorStateData* pData = m_InitialStates.m_ColorState.GetModify();
                 pData->m_StrokeRGB = pParentData->m_FillRGB;
                 pData->m_StrokeColor.Copy(&pParentData->m_StrokeColor);
             }
         }
     } else {
         m_InitialStates.DefaultStates();
     }
     m_pObjectRenderer = NULL;
     m_Transparency = transparency;
-    return TRUE;
+    return true;
 }
 void CPDF_RenderStatus::RenderObjectList(const CPDF_PageObjects* pObjs, const CFX_AffineMatrix* pObj2Device)
 {
     CFX_FloatRect clip_rect = m_pDevice->GetClipBox();
     CFX_AffineMatrix device2object;
     device2object.SetReverse(*pObj2Device);
     device2object.TransformRect(clip_rect);
     int index = 0;
     FX_POSITION pos = pObjs->GetFirstObjectPosition();
     while(pos) {
         index ++;
         CPDF_PageObject* pCurObj = pObjs->GetNextObject(pos);
         if (pCurObj == m_pStopObj) {
-            m_bStopped = TRUE;
+            m_bStopped = true;
             return;
         }
         if (!pCurObj) {
             continue;
         }
         if(pCurObj == NULL || pCurObj->m_Left > clip_rect.right || pCurObj->m_Right < clip_rect.left ||
                 pCurObj->m_Bottom > clip_rect.top || pCurObj->m_Top < clip_rect.bottom) {
             continue;
         }
         RenderSingleObject(pCurObj, pObj2Device);
@@ skipping 13 matching lines @@
         if (!m_Options.m_pOCContext->CheckObjectVisible(pObj)) {
             return;
         }
     }
     ProcessClipPath(pObj->m_ClipPath, pObj2Device);
     if (ProcessTransparency(pObj, pObj2Device)) {
         return;
     }
     ProcessObjectNoClip(pObj, pObj2Device);
 }
-FX_BOOL CPDF_RenderStatus::ContinueSingleObject(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, IFX_Pause* pPause)
+bool CPDF_RenderStatus::ContinueSingleObject(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, IFX_Pause* pPause)
 {
     if (m_pObjectRenderer) {
         if (m_pObjectRenderer->Continue(pPause)) {
-            return TRUE;
+            return true;
         }
         if (!m_pObjectRenderer->m_Result) {
             DrawObjWithBackground(pObj, pObj2Device);
         }
         delete m_pObjectRenderer;
         m_pObjectRenderer = NULL;
-        return FALSE;
+        return false;
     }
     m_pCurObj = pObj;
     if (m_Options.m_pOCContext && pObj->m_ContentMark.NotNull())
         if (!m_Options.m_pOCContext->CheckObjectVisible(pObj)) {
-            return FALSE;
+            return false;
         }
     ProcessClipPath(pObj->m_ClipPath, pObj2Device);
     if (ProcessTransparency(pObj, pObj2Device)) {
-        return FALSE;
+        return false;
     }
     if (pObj->m_Type == PDFPAGE_IMAGE) {
         m_pObjectRenderer = IPDF_ObjectRenderer::Create(pObj->m_Type);
-        if (!m_pObjectRenderer->Start(this, pObj, pObj2Device, FALSE)) {
+        if (!m_pObjectRenderer->Start(this, pObj, pObj2Device, false)) {
             if (!m_pObjectRenderer->m_Result) {
                 DrawObjWithBackground(pObj, pObj2Device);
             }
             delete m_pObjectRenderer;
             m_pObjectRenderer = NULL;
-            return FALSE;
+            return false;
         }
         return ContinueSingleObject(pObj, pObj2Device, pPause);
     }
     ProcessObjectNoClip(pObj, pObj2Device);
-    return FALSE;
+    return false;
 }
 IPDF_ObjectRenderer* IPDF_ObjectRenderer::Create(int type)
 {
     if (type != PDFPAGE_IMAGE) {
         return NULL;
     }
     return new CPDF_ImageRenderer;
 }
-FX_BOOL CPDF_RenderStatus::GetObjectClippedRect(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bLogical, FX_RECT &rect) const
+bool CPDF_RenderStatus::GetObjectClippedRect(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device, bool bLogical, FX_RECT &rect) const
 {
     rect = pObj->GetBBox(pObj2Device);
     FX_RECT rtClip = m_pDevice->GetClipBox();
     if (!bLogical) {
         CFX_Matrix dCTM = m_pDevice->GetCTM();
         FX_FLOAT a = FXSYS_fabs(dCTM.a);
         FX_FLOAT d = FXSYS_fabs(dCTM.d);
         if (a != 1.0f || d != 1.0f) {
             rect.right = rect.left + (int32_t)FXSYS_ceil((FX_FLOAT)rect.Width() * a);
             rect.bottom = rect.top + (int32_t)FXSYS_ceil((FX_FLOAT)rect.Height() * d);
             rtClip.right = rtClip.left + (int32_t)FXSYS_ceil((FX_FLOAT)rtClip.Width() * a);
             rtClip.bottom = rtClip.top + (int32_t)FXSYS_ceil((FX_FLOAT)rtClip.Height() * d);
         }
     }
     rect.Intersect(rtClip);
     return rect.IsEmpty();
 }
 void CPDF_RenderStatus::DitherObjectArea(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device)
 {
     CFX_DIBitmap* pBitmap = m_pDevice->GetBitmap();
     if (pBitmap == NULL) {
         return;
     }
     FX_RECT rect;
-    if (GetObjectClippedRect(pObj, pObj2Device, FALSE, rect)) {
+    if (GetObjectClippedRect(pObj, pObj2Device, false, rect)) {
         return;
     }
     if (m_DitherBits == 2) {
         static FX_ARGB pal[4] = {0, 85, 170, 255};
         pBitmap->DitherFS(pal, 4, &rect);
     } else if (m_DitherBits == 3) {
         static FX_ARGB pal[8] = {0, 36, 73, 109, 146, 182, 219, 255};
         pBitmap->DitherFS(pal, 8, &rect);
     } else if (m_DitherBits == 4) {
         static FX_ARGB pal[16] = {0, 17, 34, 51, 68, 85, 102, 119, 136, 153, 170, 187, 204, 221, 238, 255};
         pBitmap->DitherFS(pal, 16, &rect);
     }
 }
 void CPDF_RenderStatus::ProcessObjectNoClip(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device)
 {
-    FX_BOOL bRet = FALSE;
+    bool bRet = false;
     switch (pObj->m_Type) {
         case PDFPAGE_TEXT:
             bRet = ProcessText((CPDF_TextObject*)pObj, pObj2Device, NULL);
             break;
         case PDFPAGE_PATH:
             bRet = ProcessPath((CPDF_PathObject*)pObj, pObj2Device);
             break;
         case PDFPAGE_IMAGE:
             bRet = ProcessImage((CPDF_ImageObject*)pObj, pObj2Device);
             break;
         case PDFPAGE_SHADING:
             bRet = ProcessShading((CPDF_ShadingObject*)pObj, pObj2Device);
             break;
         case PDFPAGE_FORM:
             bRet = ProcessForm((CPDF_FormObject*)pObj, pObj2Device);
             break;
     }
     if (!bRet) {
         DrawObjWithBackground(pObj, pObj2Device);
     }
 }
-FX_BOOL CPDF_RenderStatus::DrawObjWithBlend(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device)
+bool CPDF_RenderStatus::DrawObjWithBlend(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device)
 {
-    FX_BOOL bRet = FALSE;
+    bool bRet = false;
     switch (pObj->m_Type) {
         case PDFPAGE_PATH:
             bRet = ProcessPath((CPDF_PathObject*)pObj, pObj2Device);
             break;
         case PDFPAGE_IMAGE:
             bRet = ProcessImage((CPDF_ImageObject *)pObj, pObj2Device);
             break;
         case PDFPAGE_FORM:
             bRet = ProcessForm((CPDF_FormObject*)pObj, pObj2Device);
             break;
     }
     return bRet;
 }
 void CPDF_RenderStatus::GetScaledMatrix(CFX_Matrix &matrix) const
 {
     CFX_Matrix dCTM = m_pDevice->GetCTM();
     matrix.a *= FXSYS_fabs(dCTM.a);
     matrix.d *= FXSYS_fabs(dCTM.d);
 }
 void CPDF_RenderStatus::DrawObjWithBackground(const CPDF_PageObject* pObj, const CFX_AffineMatrix* pObj2Device)
 {
     FX_RECT rect;
-    if (GetObjectClippedRect(pObj, pObj2Device, FALSE, rect)) {
+    if (GetObjectClippedRect(pObj, pObj2Device, false, rect)) {
         return;
     }
     int res = 300;
     if (pObj->m_Type == PDFPAGE_IMAGE && m_pDevice->GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) {
         res = 0;
     }
     CPDF_ScaledRenderBuffer buffer;
     if (!buffer.Initialize(m_pContext, m_pDevice, &rect, pObj, &m_Options, res)) {
         return;
     }
     CFX_AffineMatrix matrix = *pObj2Device;
     matrix.Concat(*buffer.GetMatrix());
     GetScaledMatrix(matrix);
     CPDF_Dictionary* pFormResource = NULL;
     if (pObj->m_Type == PDFPAGE_FORM) {
         CPDF_FormObject* pFormObj = (CPDF_FormObject*)pObj;
         if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) {
             pFormResource = pFormObj->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources"));
         }
     }
     CPDF_RenderStatus status;
     status.Initialize(m_pContext, buffer.GetDevice(), buffer.GetMatrix(), NULL, NULL, NULL, &m_Options, m_Transparency, m_bDropObjects, pFormResource);
     status.RenderSingleObject(pObj, &matrix);
     buffer.OutputToDevice();
 }
-FX_BOOL CPDF_RenderStatus::ProcessForm(CPDF_FormObject* pFormObj, const CFX_AffineMatrix* pObj2Device)
+bool CPDF_RenderStatus::ProcessForm(CPDF_FormObject* pFormObj, const CFX_AffineMatrix* pObj2Device)
 {
     CPDF_Dictionary* pOC = pFormObj->m_pForm->m_pFormDict->GetDict(FX_BSTRC("OC"));
     if (pOC && m_Options.m_pOCContext && !m_Options.m_pOCContext->CheckOCGVisible(pOC)) {
-        return TRUE;
+        return true;
     }
     CFX_AffineMatrix matrix = pFormObj->m_FormMatrix;
     matrix.Concat(*pObj2Device);
     CPDF_Dictionary* pResources = NULL;
     if (pFormObj->m_pForm && pFormObj->m_pForm->m_pFormDict) {
         pResources = pFormObj->m_pForm->m_pFormDict->GetDict(FX_BSTRC("Resources"));
     }
     CPDF_RenderStatus status;
     status.Initialize(m_pContext, m_pDevice, NULL, m_pStopObj,
-                      this, pFormObj, &m_Options, m_Transparency, m_bDropObjects, pResources, FALSE);
+                      this, pFormObj, &m_Options, m_Transparency, m_bDropObjects, pResources, false);
     status.m_curBlend = m_curBlend;
     m_pDevice->SaveState();
     status.RenderObjectList(pFormObj->m_pForm, &matrix);
     m_bStopped = status.m_bStopped;
     m_pDevice->RestoreState();
-    return TRUE;
+    return true;
 }
-FX_BOOL IsAvailableMatrix(const CFX_AffineMatrix& matrix)
+bool IsAvailableMatrix(const CFX_AffineMatrix& matrix)
 {
     if (matrix.a == 0 || matrix.d == 0) {
         return matrix.b != 0 && matrix.c != 0;
     }
     if (matrix.b == 0 || matrix.c == 0) {
         return matrix.a != 0 && matrix.d != 0;
     }
-    return TRUE;
+    return true;
 }
-FX_BOOL CPDF_RenderStatus::ProcessPath(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device)
+bool CPDF_RenderStatus::ProcessPath(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device)
 {
     int FillType = pPathObj->m_FillType;
-    FX_BOOL bStroke = pPathObj->m_bStroke;
+    bool bStroke = pPathObj->m_bStroke;
     ProcessPathPattern(pPathObj, pObj2Device, FillType, bStroke);
     if (FillType == 0 && !bStroke) {
-        return TRUE;
+        return true;
     }
     FX_DWORD fill_argb = 0;
     if (FillType) {
         fill_argb = GetFillArgb(pPathObj);
     }
     FX_DWORD stroke_argb = 0;
     if (bStroke) {
         stroke_argb = GetStrokeArgb(pPathObj);
     }
     CFX_AffineMatrix path_matrix = pPathObj->m_Matrix;
     path_matrix.Concat(*pObj2Device);
     if (!IsAvailableMatrix(path_matrix)) {
-        return TRUE;
+        return true;
     }
     if (FillType && (m_Options.m_Flags & RENDER_RECT_AA)) {
         FillType |= FXFILL_RECT_AA;
     }
     if (m_Options.m_Flags & RENDER_FILL_FULLCOVER) {
         FillType |= FXFILL_FULLCOVER;
     }
     if (m_Options.m_Flags & RENDER_NOPATHSMOOTH) {
         FillType |= FXFILL_NOPATHSMOOTH;
     }
@@ skipping 15 matching lines @@
 }
 CPDF_TransferFunc* CPDF_RenderStatus::GetTransferFunc(CPDF_Object* pObj) const
 {
     ASSERT(pObj != NULL);
     CPDF_DocRenderData* pDocCache = m_pContext->m_pDocument->GetRenderData();
     if (!pDocCache) {
         return NULL;
     }
     return pDocCache->GetTransferFunc(pObj);
 }
-FX_ARGB CPDF_RenderStatus::GetFillArgb(const CPDF_PageObject* pObj, FX_BOOL bType3) const
+FX_ARGB CPDF_RenderStatus::GetFillArgb(const CPDF_PageObject* pObj, bool bType3) const
 {
     CPDF_ColorStateData* pColorData = (CPDF_ColorStateData*)(const CPDF_ColorStateData*)pObj->m_ColorState;
     if (m_pType3Char && !bType3 && (!m_pType3Char->m_bColored || (m_pType3Char->m_bColored && (!pColorData || pColorData->m_FillColor.IsNull())))) {
         return m_T3FillColor;
     }
     if (!pColorData || pColorData->m_FillColor.IsNull()) {
         pColorData = (CPDF_ColorStateData*)(const CPDF_ColorStateData*)m_InitialStates.m_ColorState;
     }
     FX_COLORREF rgb = pColorData->m_FillRGB;
     if (rgb == (FX_DWORD) - 1) {
@@ skipping 45 matching lines @@
         alpha = 255;
     }
     return m_Options.TranslateColor(ArgbEncode(alpha, rgb));
 }
 void CPDF_RenderStatus::ProcessClipPath(CPDF_ClipPath ClipPath, const CFX_AffineMatrix* pObj2Device)
 {
     if (ClipPath.IsNull()) {
         if (m_LastClipPath.IsNull()) {
             return;
         }
-        m_pDevice->RestoreState(TRUE);
+        m_pDevice->RestoreState(true);
         m_LastClipPath.SetNull();
         return;
     }
     if (m_LastClipPath == ClipPath) {
         return;
     }
     m_LastClipPath = ClipPath;
-    m_pDevice->RestoreState(TRUE);
+    m_pDevice->RestoreState(true);
     int nClipPath = ClipPath.GetPathCount();
     int i;
     for (i = 0; i < nClipPath; i++) {
         const CFX_PathData* pPathData = ClipPath.GetPath(i);
         if (pPathData == NULL) {
             continue;
         }
         if (pPathData->GetPointCount() == 0) {
             CFX_PathData EmptyPath;
             EmptyPath.AppendRect(-1, -1, 0, 0);
@@ skipping 49 matching lines @@
         if (pPathData == NULL) {
             continue;
         }
         CFX_GraphStateData stroke_state;
         if (m_Options.m_Flags & RENDER_THINLINE) {
             stroke_state.m_LineWidth = 0;
         }
         m_pDevice->DrawPath(pPathData, pObj2Device, &stroke_state, 0, 0xffff0000, fill_mode);
     }
 }
-FX_BOOL CPDF_RenderStatus::SelectClipPath(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device, FX_BOOL bStroke)
+bool CPDF_RenderStatus::SelectClipPath(CPDF_PathObject* pPathObj, const CFX_AffineMatrix* pObj2Device, bool bStroke)
 {
     CFX_AffineMatrix path_matrix = pPathObj->m_Matrix;
     path_matrix.Concat(*pObj2Device);
     if (bStroke) {
         CFX_GraphStateData graphState(*pPathObj->m_GraphState);
         if (m_Options.m_Flags & RENDER_THINLINE) {
             graphState.m_LineWidth = 0;
         }
         return m_pDevice->SetClip_PathStroke(pPathObj->m_Path, &path_matrix, &graphState);
     }
     int fill_mode = pPathObj->m_FillType;
     if (m_Options.m_Flags & RENDER_NOPATHSMOOTH) {
         fill_mode |= FXFILL_NOPATHSMOOTH;
     }
     return m_pDevice->SetClip_PathFill(pPathObj->m_Path, &path_matrix, fill_mode);
 }
-FX_BOOL CPDF_RenderStatus::ProcessTransparency(const CPDF_PageObject* pPageObj, const CFX_AffineMatrix* pObj2Device)
+bool CPDF_RenderStatus::ProcessTransparency(const CPDF_PageObject* pPageObj, const CFX_AffineMatrix* pObj2Device)
 {
     const CPDF_GeneralStateData* pGeneralState = pPageObj->m_GeneralState;
     int blend_type = pGeneralState ? pGeneralState->m_BlendType : FXDIB_BLEND_NORMAL;
     if (blend_type == FXDIB_BLEND_UNSUPPORTED) {
-        return TRUE;
+        return true;
     }
     CPDF_Dictionary* pSMaskDict = pGeneralState ? (CPDF_Dictionary*)pGeneralState->m_pSoftMask : NULL;
     if (pSMaskDict) {
         if (pPageObj->m_Type == PDFPAGE_IMAGE &&
                 ((CPDF_ImageObject*)pPageObj)->m_pImage->GetDict()->KeyExist(FX_BSTRC("SMask"))) {
             pSMaskDict = NULL;
         }
     }
     CPDF_Dictionary* pFormResource = NULL;
     FX_FLOAT group_alpha = 1.0f;
     int Transparency = m_Transparency;
-    FX_BOOL bGroupTransparent = FALSE;
+    bool bGroupTransparent = false;
     if (pPageObj->m_Type == PDFPAGE_FORM) {
         CPDF_FormObject* pFormObj = (CPDF_FormObject*)pPageObj;
         const CPDF_GeneralStateData *pStateData = pFormObj->m_GeneralState.GetObject();
         if (pStateData) {
             group_alpha = pStateData->m_FillAlpha;
         }
         Transparency = pFormObj->m_pForm->m_Transparency;
-        bGroupTransparent = Transparency & PDFTRANS_ISOLATED ? TRUE : FALSE;
+        bGroupTransparent = Transparency & PDFTRANS_ISOLATED ? true : false;
         if (pFormObj->m_pForm->m_pFormDict) {
             pFormResource = pFormObj->m_pForm->m_pFormDict->GetDict("Resources");
         }
     }
-    FX_BOOL bTextClip = FALSE;
+    bool bTextClip = false;
     if (pPageObj->m_ClipPath.NotNull() && pPageObj->m_ClipPath.GetTextCount() &&
             m_pDevice->GetDeviceClass() == FXDC_DISPLAY && !(m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SOFT_CLIP)) {
-        bTextClip = TRUE;
+        bTextClip = true;
     }
     if ((m_Options.m_Flags & RENDER_OVERPRINT) && pPageObj->m_Type == PDFPAGE_IMAGE && pGeneralState && pGeneralState->m_FillOP && pGeneralState->m_StrokeOP) {
         CPDF_Document* pDocument = NULL;
         CPDF_Page* pPage = NULL;
         if (m_pContext->m_pPageCache) {
             pPage = m_pContext->m_pPageCache->GetPage();
             pDocument = pPage->m_pDocument;
         } else {
             pDocument = ((CPDF_ImageObject*)pPageObj)->m_pImage->GetDocument();
         }
         CPDF_Dictionary* pPageResources = pPage ? pPage->m_pPageResources : NULL;
         CPDF_Object* pCSObj = ((CPDF_ImageObject*)pPageObj)->m_pImage->GetStream()->GetDict()->GetElementValue(FX_BSTRC("ColorSpace"));
         CPDF_ColorSpace* pColorSpace = pDocument->LoadColorSpace(pCSObj, pPageResources);
         if (pColorSpace) {
             int format = pColorSpace->GetFamily();
             if (format == PDFCS_DEVICECMYK || format == PDFCS_SEPARATION || format == PDFCS_DEVICEN) {
                 blend_type = FXDIB_BLEND_DARKEN;
             }
             pDocument->GetPageData()->ReleaseColorSpace(pCSObj);
         }
     }
     if (pSMaskDict == NULL && group_alpha == 1.0f && blend_type == FXDIB_BLEND_NORMAL && !bTextClip && !bGroupTransparent) {
-        return FALSE;
+        return false;
     }
-    FX_BOOL isolated = Transparency & PDFTRANS_ISOLATED;
+    bool isolated = Transparency & PDFTRANS_ISOLATED;
     if (m_bPrint) {
-        FX_BOOL bRet = FALSE;
+        bool bRet = false;
         int rendCaps = m_pDevice->GetRenderCaps();
         if (!((Transparency & PDFTRANS_ISOLATED) || pSMaskDict || bTextClip) && (rendCaps & FXRC_BLEND_MODE)) {
             int oldBlend = m_curBlend;
             m_curBlend = blend_type;
             bRet = DrawObjWithBlend(pPageObj, pObj2Device);
             m_curBlend = oldBlend;
         }
         if (!bRet) {
             DrawObjWithBackground(pPageObj, pObj2Device);
         }
-        return TRUE;
+        return true;
     }
     FX_RECT rect = pPageObj->GetBBox(pObj2Device);
     rect.Intersect(m_pDevice->GetClipBox());
     if (rect.IsEmpty()) {
-        return TRUE;
+        return true;
     }
     CFX_Matrix deviceCTM = m_pDevice->GetCTM();
     FX_FLOAT scaleX = FXSYS_fabs(deviceCTM.a);
     FX_FLOAT scaleY = FXSYS_fabs(deviceCTM.d);
     int width = FXSYS_round((FX_FLOAT)rect.Width() * scaleX);
     int height = FXSYS_round((FX_FLOAT)rect.Height() * scaleY);
     CFX_FxgeDevice bitmap_device;
     CFX_DIBitmap* oriDevice = NULL;
     if (!isolated && (m_pDevice->GetRenderCaps() & FXRC_GET_BITS)) {
         oriDevice = new CFX_DIBitmap;
         if (!m_pDevice->CreateCompatibleBitmap(oriDevice, width, height)) {
-            return TRUE;
+            return true;
         }
         m_pDevice->GetDIBits(oriDevice, rect.left, rect.top);
     }
     if (!bitmap_device.Create(width, height, FXDIB_Argb, 0, oriDevice)) {
-        return TRUE;
+        return true;
     }
     CFX_DIBitmap* bitmap = bitmap_device.GetBitmap();
     bitmap->Clear(0);
     CFX_AffineMatrix new_matrix = *pObj2Device;
     new_matrix.TranslateI(-rect.left, -rect.top);
     new_matrix.Scale(scaleX, scaleY);
     CFX_DIBitmap* pTextMask = NULL;
     if (bTextClip) {
         pTextMask = new CFX_DIBitmap;
         if (!pTextMask->Create(width, height, FXDIB_8bppMask)) {
             delete pTextMask;
-            return TRUE;
+            return true;
         }
         pTextMask->Clear(0);
         CFX_FxgeDevice text_device;
         text_device.Attach(pTextMask);
         for (FX_DWORD i = 0; i < pPageObj->m_ClipPath.GetTextCount(); i ++) {
             CPDF_TextObject* textobj = pPageObj->m_ClipPath.GetText(i);
             if (textobj == NULL) {
                 break;
             }
             CFX_AffineMatrix text_matrix;
             textobj->GetTextMatrix(&text_matrix);
             CPDF_TextRenderer::DrawTextPath(&text_device, textobj->m_nChars, textobj->m_pCharCodes, textobj->m_pCharPos,
                                             textobj->m_TextState.GetFont(), textobj->m_TextState.GetFontSize(),
                                             &text_matrix, &new_matrix, textobj->m_GraphState, (FX_ARGB) - 1, 0, NULL);
         }
     }
     CPDF_RenderStatus bitmap_render;
     bitmap_render.Initialize(m_pContext, &bitmap_device, NULL,
-                             m_pStopObj, NULL, NULL, &m_Options, 0, m_bDropObjects, pFormResource, TRUE);
+                             m_pStopObj, NULL, NULL, &m_Options, 0, m_bDropObjects, pFormResource, true);
     bitmap_render.ProcessObjectNoClip(pPageObj, &new_matrix);
     m_bStopped = bitmap_render.m_bStopped;
     if (pSMaskDict) {
         CFX_AffineMatrix smask_matrix;
         FXSYS_memcpy(&smask_matrix, pGeneralState->m_SMaskMatrix, sizeof smask_matrix);
         smask_matrix.Concat(*pObj2Device);
         CFX_DIBSource* pSMaskSource = LoadSMask(pSMaskDict, &rect, &smask_matrix);
         if (pSMaskSource) {
             bitmap->MultiplyAlpha(pSMaskSource);
             delete pSMaskSource;
         }
     }
     if (pTextMask) {
         bitmap->MultiplyAlpha(pTextMask);
         delete pTextMask;
         pTextMask = NULL;
     }
     if (Transparency & PDFTRANS_GROUP && group_alpha != 1.0f) {
         bitmap->MultiplyAlpha((int32_t)(group_alpha * 255));
     }
     Transparency = m_Transparency;
     if (pPageObj->m_Type == PDFPAGE_FORM) {
         Transparency |= PDFTRANS_GROUP;
     }
     CompositeDIBitmap(bitmap, rect.left, rect.top, 0, 255, blend_type, Transparency);
     delete oriDevice;
-    return TRUE;
+    return true;
 }
 CFX_DIBitmap* CPDF_RenderStatus::GetBackdrop(const CPDF_PageObject* pObj, const FX_RECT& rect, int& left, int& top,
-        FX_BOOL bBackAlphaRequired)
+        bool bBackAlphaRequired)
 {
     FX_RECT bbox = rect;
     bbox.Intersect(m_pDevice->GetClipBox());
     left = bbox.left;
     top = bbox.top;
     CFX_Matrix deviceCTM = m_pDevice->GetCTM();
     FX_FLOAT scaleX = FXSYS_fabs(deviceCTM.a);
     FX_FLOAT scaleY = FXSYS_fabs(deviceCTM.d);
     int width = FXSYS_round(bbox.Width() * scaleX);
     int height = FXSYS_round(bbox.Height() * scaleY);
     CFX_DIBitmap* pBackdrop = new CFX_DIBitmap;
     if (bBackAlphaRequired && !m_bDropObjects) {
         pBackdrop->Create(width, height, FXDIB_Argb);
     } else {
         m_pDevice->CreateCompatibleBitmap(pBackdrop, width, height);
     }
     if (pBackdrop->GetBuffer() == NULL) {
         delete pBackdrop;
         return NULL;
     }
-    FX_BOOL bNeedDraw;
+    bool bNeedDraw;
     if (pBackdrop->HasAlpha()) {
         bNeedDraw = !(m_pDevice->GetRenderCaps() & FXRC_ALPHA_OUTPUT);
     } else {
         bNeedDraw = !(m_pDevice->GetRenderCaps() & FXRC_GET_BITS);
     }
     if (!bNeedDraw) {
         m_pDevice->GetDIBits(pBackdrop, left, top);
         return pBackdrop;
     }
     CFX_AffineMatrix FinalMatrix = m_DeviceMatrix;
     FinalMatrix.TranslateI(-left, -top);
     FinalMatrix.Scale(scaleX, scaleY);
     pBackdrop->Clear(pBackdrop->HasAlpha() ? 0 : 0xffffffff);
     CFX_FxgeDevice device;
     device.Attach(pBackdrop);
     m_pContext->Render(&device, pObj, &m_Options, &FinalMatrix);
     return pBackdrop;
 }
 void CPDF_RenderContext::GetBackground(CFX_DIBitmap* pBuffer, const CPDF_PageObject* pObj,
                                        const CPDF_RenderOptions* pOptions, CFX_AffineMatrix* pFinalMatrix)
 {
     CFX_FxgeDevice device;
     device.Attach(pBuffer);
 
     FX_RECT rect(0, 0, device.GetWidth(), device.GetHeight());
     device.FillRect(&rect, 0xffffffff);
     Render(&device, pObj, pOptions, pFinalMatrix);
 }
-CPDF_GraphicStates* CPDF_RenderStatus::CloneObjStates(const CPDF_GraphicStates* pSrcStates, FX_BOOL bStroke)
+CPDF_GraphicStates* CPDF_RenderStatus::CloneObjStates(const CPDF_GraphicStates* pSrcStates, bool bStroke)
 {
     if (!pSrcStates) {
         return NULL;
     }
     CPDF_GraphicStates* pStates = new CPDF_GraphicStates;
     pStates->CopyStates(*pSrcStates);
     CPDF_Color* pObjColor = bStroke ? pSrcStates->m_ColorState.GetStrokeColor() :
                             pSrcStates->m_ColorState.GetFillColor();
     if (!pObjColor->IsNull()) {
         CPDF_ColorStateData* pColorData = pStates->m_ColorState.GetModify();
         pColorData->m_FillRGB = bStroke ? pSrcStates->m_ColorState.GetObject()->m_StrokeRGB :
                                 pSrcStates->m_ColorState.GetObject()->m_FillRGB;
         pColorData->m_StrokeRGB = pColorData->m_FillRGB;
     }
     return pStates;
 }
 CPDF_RenderContext::CPDF_RenderContext()
 {
 }
 void CPDF_RenderContext::Create(CPDF_Document* pDoc, CPDF_PageRenderCache* pPageCache,
-                                CPDF_Dictionary* pPageResources, FX_BOOL bFirstLayer)
+                                CPDF_Dictionary* pPageResources, bool bFirstLayer)
 {
     m_pDocument = pDoc;
     m_pPageResources = pPageResources;
     m_pPageCache = pPageCache;
     m_bFirstLayer = bFirstLayer;
 }
-void CPDF_RenderContext::Create(CPDF_Page* pPage, FX_BOOL bFirstLayer)
+void CPDF_RenderContext::Create(CPDF_Page* pPage, bool bFirstLayer)
 {
     m_pDocument = pPage->m_pDocument;
     m_pPageResources = pPage->m_pPageResources;
     m_pPageCache = pPage->GetRenderCache();
     m_bFirstLayer = bFirstLayer;
 }
 CPDF_RenderContext::~CPDF_RenderContext()
 {
 }
 void CPDF_RenderContext::Clear()
 {
     m_pDocument = NULL;
     m_pPageResources = NULL;
     m_pPageCache = NULL;
-    m_bFirstLayer = TRUE;
+    m_bFirstLayer = true;
     m_ContentList.RemoveAll();
 }
 void CPDF_RenderContext::AppendObjectList(CPDF_PageObjects* pObjs, const CFX_AffineMatrix* pObject2Device)
 {
     _PDF_RenderItem* pItem = m_ContentList.AddSpace();
     pItem->m_pObjectList = pObjs;
     if (pObject2Device) {
         pItem->m_Matrix = *pObject2Device;
     } else {
         pItem->m_Matrix.SetIdentity();
     }
 }
 void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice, const CPDF_RenderOptions* pOptions,
                                 const CFX_AffineMatrix* pLastMatrix)
 {
     Render(pDevice, NULL, pOptions, pLastMatrix);
 }
 void CPDF_RenderContext::Render(CFX_RenderDevice* pDevice, const CPDF_PageObject* pStopObj,
                                 const CPDF_RenderOptions* pOptions, const CFX_AffineMatrix* pLastMatrix)
 {
     int count = m_ContentList.GetSize();
     for (int j = 0; j < count; j ++) {
         pDevice->SaveState();
         _PDF_RenderItem* pItem = m_ContentList.GetDataPtr(j);
         if (pLastMatrix) {
             CFX_AffineMatrix FinalMatrix = pItem->m_Matrix;
             FinalMatrix.Concat(*pLastMatrix);
             CPDF_RenderStatus status;
             status.Initialize(this, pDevice, pLastMatrix, pStopObj, NULL, NULL, pOptions,
-                              pItem->m_pObjectList->m_Transparency, FALSE, NULL);
+                              pItem->m_pObjectList->m_Transparency, false, NULL);
             status.RenderObjectList(pItem->m_pObjectList, &FinalMatrix);
             if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
                 m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize);
             }
             if (status.m_bStopped) {
                 pDevice->RestoreState();
                 break;
             }
         } else {
             CPDF_RenderStatus status;
             status.Initialize(this, pDevice, NULL, pStopObj, NULL, NULL, pOptions,
-                              pItem->m_pObjectList->m_Transparency, FALSE, NULL);
+                              pItem->m_pObjectList->m_Transparency, false, NULL);
             status.RenderObjectList(pItem->m_pObjectList, &pItem->m_Matrix);
             if (status.m_Options.m_Flags & RENDER_LIMITEDIMAGECACHE) {
                 m_pPageCache->CacheOptimization(status.m_Options.m_dwLimitCacheSize);
             }
             if (status.m_bStopped) {
                 pDevice->RestoreState();
                 break;
             }
         }
         pDevice->RestoreState();
@@ skipping 73 matching lines @@
                 m_ObjectPos = pItem->m_pObjectList->GetFirstObjectPosition();
             }
             m_PrevLastPos = LastPos;
         }
         if (!m_pRenderStatus) {
             m_ObjectPos = pItem->m_pObjectList->GetFirstObjectPosition();
             m_ObjectIndex = 0;
             m_pRenderStatus.reset(new CPDF_RenderStatus());
             m_pRenderStatus->Initialize(
                 m_pContext, m_pDevice, NULL, NULL, NULL, NULL, m_pOptions,
-                pItem->m_pObjectList->m_Transparency, FALSE, NULL);
+                pItem->m_pObjectList->m_Transparency, false, NULL);
             m_pDevice->SaveState();
             m_ClipRect = m_pDevice->GetClipBox();
             CFX_AffineMatrix device2object;
             device2object.SetReverse(pItem->m_Matrix);
             device2object.TransformRect(m_ClipRect);
         }
         int objs_to_go = CPDF_ModuleMgr::Get()->GetRenderModule()->GetConfig()->m_RenderStepLimit;
         while (m_ObjectPos) {
             CPDF_PageObject* pCurObj = pItem->m_pObjectList->GetObjectAt(m_ObjectPos);
             if (pCurObj && pCurObj->m_Left <= m_ClipRect.right && pCurObj->m_Right >= m_ClipRect.left &&
@@ skipping 60 matching lines @@
     if (!pObj)
         return nullptr;
 
     auto it = m_TransferFuncMap.find(pObj);
     if (it != m_TransferFuncMap.end()) {
         CPDF_CountedObject<CPDF_TransferFunc>* pTransferCounter = it->second;
         return pTransferCounter->AddRef();
     }
 
     CPDF_Function* pFuncs[3] = { nullptr, nullptr, nullptr };
-    FX_BOOL bUniTransfer = TRUE;
-    FX_BOOL bIdentity = TRUE;
+    bool bUniTransfer = true;
+    bool bIdentity = true;
     if (pObj->GetType() == PDFOBJ_ARRAY) {
-        bUniTransfer = FALSE;
+        bUniTransfer = false;
         CPDF_Array* pArray = (CPDF_Array*)pObj;
         if (pArray->GetCount() < 3)
             return nullptr;
 
         for (FX_DWORD i = 0; i < 3; ++i) {
             pFuncs[2 - i] = CPDF_Function::Load(pArray->GetElementValue(i));
             if (!pFuncs[2 - i]) {
                 return nullptr;
             }
         }
@@ skipping 13 matching lines @@
     FXSYS_memset(output, 0, sizeof(output));
     FX_FLOAT input;
     int noutput;
     for (int v = 0; v < 256; ++v) {
         input = (FX_FLOAT)v / 255.0f;
         if (bUniTransfer) {
             if (pFuncs[0] && pFuncs[0]->CountOutputs() <= kMaxOutputs)
                 pFuncs[0]->Call(&input, 1, output, noutput);
             int o = FXSYS_round(output[0] * 255);
             if (o != v)
-                bIdentity = FALSE;
+                bIdentity = false;
             for (int i = 0; i < 3; ++i) {
                 pTransfer->m_Samples[i * 256 + v] = o;
             }
         } else {
             for (int i = 0; i < 3; ++i) {
                 if (pFuncs[i] && pFuncs[i]->CountOutputs() <= kMaxOutputs) {
                     pFuncs[i]->Call(&input, 1, output, noutput);
                     int o = FXSYS_round(output[0] * 255);
                     if (o != v)
-                        bIdentity = FALSE;
+                        bIdentity = false;
                     pTransfer->m_Samples[i * 256 + v] = o;
                 } else {
                     pTransfer->m_Samples[i * 256 + v] = v;
                 }
             }
         }
     }
     for (int i = 0; i < 3; ++i)
         delete pFuncs[i];
 
@@ skipping 19 matching lines @@
 {
     m_pBitmap = NULL;
     m_pDevice = NULL;
     m_pContext = NULL;
     m_pObject = NULL;
 }
 CPDF_DeviceBuffer::~CPDF_DeviceBuffer()
 {
     delete m_pBitmap;
 }
-FX_BOOL CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, FX_RECT* pRect,
+bool CPDF_DeviceBuffer::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, FX_RECT* pRect,
                                       const CPDF_PageObject* pObj, int max_dpi)
 {
     m_pDevice = pDevice;
     m_pContext = pContext;
     m_Rect = *pRect;
     m_pObject = pObj;
     m_Matrix.TranslateI(-pRect->left, -pRect->top);
 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
     int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE);
     int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE);
@@ skipping 10 matching lines @@
 #endif
     CFX_Matrix ctm = m_pDevice->GetCTM();
     FX_FLOAT fScaleX = FXSYS_fabs(ctm.a);
     FX_FLOAT fScaleY = FXSYS_fabs(ctm.d);
     m_Matrix.Concat(fScaleX, 0, 0, fScaleY, 0, 0);
     CFX_FloatRect rect(*pRect);
     m_Matrix.TransformRect(rect);
     FX_RECT bitmap_rect = rect.GetOutterRect();
     m_pBitmap = new CFX_DIBitmap;
     m_pBitmap->Create(bitmap_rect.Width(), bitmap_rect.Height(), FXDIB_Argb);
-    return TRUE;
+    return true;
 }
 void CPDF_DeviceBuffer::OutputToDevice()
 {
     if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS) {
         if (m_Matrix.a == 1.0f && m_Matrix.d == 1.0f) {
             m_pDevice->SetDIBits(m_pBitmap, m_Rect.left, m_Rect.top);
         } else {
             m_pDevice->StretchDIBits(m_pBitmap, m_Rect.left, m_Rect.top, m_Rect.Width(), m_Rect.Height());
         }
     } else {
         CFX_DIBitmap buffer;
         m_pDevice->CreateCompatibleBitmap(&buffer, m_pBitmap->GetWidth(), m_pBitmap->GetHeight());
         m_pContext->GetBackground(&buffer, m_pObject, NULL, &m_Matrix);
         buffer.CompositeBitmap(0, 0, buffer.GetWidth(), buffer.GetHeight(), m_pBitmap, 0, 0);
         m_pDevice->StretchDIBits(&buffer, m_Rect.left, m_Rect.top, m_Rect.Width(), m_Rect.Height());
     }
 }
 CPDF_ScaledRenderBuffer::CPDF_ScaledRenderBuffer()
 {
     m_pBitmapDevice = NULL;
 }
 CPDF_ScaledRenderBuffer::~CPDF_ScaledRenderBuffer()
 {
     delete m_pBitmapDevice;
 }
 #define _FPDFAPI_IMAGESIZE_LIMIT_       (30 * 1024 * 1024)
-FX_BOOL CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, FX_RECT* pRect,
+bool CPDF_ScaledRenderBuffer::Initialize(CPDF_RenderContext* pContext, CFX_RenderDevice* pDevice, FX_RECT* pRect,
         const CPDF_PageObject* pObj, const CPDF_RenderOptions *pOptions, int max_dpi)
 {
     FXSYS_assert(pRect != NULL);
     m_pDevice = pDevice;
     if (m_pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_GET_BITS) {
-        return TRUE;
+        return true;
     }
     m_pContext = pContext;
     m_Rect = *pRect;
     m_pObject = pObj;
     m_Matrix.TranslateI(-pRect->left, -pRect->top);
     int horz_size = pDevice->GetDeviceCaps(FXDC_HORZ_SIZE);
     int vert_size = pDevice->GetDeviceCaps(FXDC_VERT_SIZE);
     if (horz_size && vert_size && max_dpi) {
         int dpih = pDevice->GetDeviceCaps(FXDC_PIXEL_WIDTH) * 254 / (horz_size * 10);
         int dpiv = pDevice->GetDeviceCaps(FXDC_PIXEL_HEIGHT) * 254 / (vert_size * 10);
@@ skipping 14 matching lines @@
     CFX_FloatRect rect;
     int32_t iWidth, iHeight, iPitch;
     while (1) {
         rect = *pRect;
         m_Matrix.TransformRect(rect);
         FX_RECT bitmap_rect = rect.GetOutterRect();
         iWidth = bitmap_rect.Width();
         iHeight = bitmap_rect.Height();
         iPitch = (iWidth * bpp + 31) / 32 * 4;
         if (iWidth * iHeight < 1) {
-            return FALSE;
+            return false;
         }
         if (iPitch * iHeight <= _FPDFAPI_IMAGESIZE_LIMIT_ &&
                 m_pBitmapDevice->Create(iWidth, iHeight, dibFormat)) {
             break;
         }
         m_Matrix.Scale(0.5f, 0.5f);
     }
     m_pContext->GetBackground(m_pBitmapDevice->GetBitmap(), m_pObject, pOptions, &m_Matrix);
-    return TRUE;
+    return true;
 }
 void CPDF_ScaledRenderBuffer::OutputToDevice()
 {
     if (m_pBitmapDevice) {
         m_pDevice->StretchDIBits(m_pBitmapDevice->GetBitmap(), m_Rect.left, m_Rect.top, m_Rect.Width(), m_Rect.Height());
     }
 }
-FX_BOOL IPDF_OCContext::CheckObjectVisible(const CPDF_PageObject* pObj)
+bool IPDF_OCContext::CheckObjectVisible(const CPDF_PageObject* pObj)
 {
     const CPDF_ContentMarkData* pData = pObj->m_ContentMark;
     int nItems = pData->CountItems();
     for (int i = 0; i < nItems; i ++) {
         CPDF_ContentMarkItem& item = pData->GetItem(i);
         if (item.GetName() == FX_BSTRC("OC") && item.GetParamType() == CPDF_ContentMarkItem::PropertiesDict) {
             CPDF_Dictionary* pOCG = (CPDF_Dictionary*)item.GetParam();
             if (!CheckOCGVisible(pOCG)) {
-                return FALSE;
+                return false;
             }
         }
     }
-    return TRUE;
+    return true;
 }