1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "core/fpdfdoc/cpdf_iconfit.h" 8 9 #include "core/fpdfapi/parser/cpdf_array.h" 10 #include "core/fpdfapi/parser/cpdf_dictionary.h" 11 #include "core/fxcrt/fx_string.h" 12 CPDF_IconFit(const CPDF_Dictionary * pDict)13CPDF_IconFit::CPDF_IconFit(const CPDF_Dictionary* pDict) : m_pDict(pDict) {} 14 15 CPDF_IconFit::CPDF_IconFit(const CPDF_IconFit& that) = default; 16 ~CPDF_IconFit()17CPDF_IconFit::~CPDF_IconFit() {} 18 GetScaleMethod()19CPDF_IconFit::ScaleMethod CPDF_IconFit::GetScaleMethod() { 20 if (!m_pDict) 21 return Always; 22 23 ByteString csSW = m_pDict->GetStringFor("SW", "A"); 24 if (csSW == "B") 25 return Bigger; 26 if (csSW == "S") 27 return Smaller; 28 if (csSW == "N") 29 return Never; 30 return Always; 31 } 32 IsProportionalScale()33bool CPDF_IconFit::IsProportionalScale() { 34 return m_pDict ? m_pDict->GetStringFor("S", "P") != "A" : true; 35 } 36 GetIconPosition(float & fLeft,float & fBottom)37void CPDF_IconFit::GetIconPosition(float& fLeft, float& fBottom) { 38 fLeft = fBottom = 0.5; 39 if (!m_pDict) 40 return; 41 42 CPDF_Array* pA = m_pDict->GetArrayFor("A"); 43 if (pA) { 44 uint32_t dwCount = pA->GetCount(); 45 if (dwCount > 0) 46 fLeft = pA->GetNumberAt(0); 47 if (dwCount > 1) 48 fBottom = pA->GetNumberAt(1); 49 } 50 } 51 GetFittingBounds()52bool CPDF_IconFit::GetFittingBounds() { 53 return m_pDict ? m_pDict->GetBooleanFor("FB") : false; 54 } 55