diff options
Diffstat (limited to 'core/src/fpdfdoc/doc_formcontrol.cpp')
| -rw-r--r-- | core/src/fpdfdoc/doc_formcontrol.cpp | 461 |
1 files changed, 461 insertions, 0 deletions
diff --git a/core/src/fpdfdoc/doc_formcontrol.cpp b/core/src/fpdfdoc/doc_formcontrol.cpp new file mode 100644 index 0000000000..f92b87e5f6 --- /dev/null +++ b/core/src/fpdfdoc/doc_formcontrol.cpp @@ -0,0 +1,461 @@ +// 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/fpdfdoc/fpdf_doc.h"
+CPDF_FormControl::CPDF_FormControl(CPDF_FormField* pField, CPDF_Dictionary* pWidgetDict)
+{
+ m_pField = pField;
+ m_pWidgetDict = pWidgetDict;
+ m_pForm = m_pField->m_pForm;
+}
+CFX_FloatRect CPDF_FormControl::GetRect()
+{
+ return m_pWidgetDict->GetRect("Rect");
+}
+CFX_ByteString CPDF_FormControl::GetOnStateName()
+{
+ ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton);
+ CFX_ByteString csOn;
+ CPDF_Dictionary* pAP = m_pWidgetDict->GetDict("AP");
+ if (pAP == NULL) {
+ return csOn;
+ }
+ CPDF_Dictionary* pN = pAP->GetDict("N");
+ if (pN == NULL) {
+ return csOn;
+ }
+ FX_POSITION pos = pN->GetStartPos();
+ while (pos) {
+ pN->GetNextElement(pos, csOn);
+ if (csOn != "Off") {
+ return csOn;
+ }
+ }
+ return CFX_ByteString();
+}
+void CPDF_FormControl::SetOnStateName(const CFX_ByteString& csOn)
+{
+ ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton);
+ CFX_ByteString csValue = csOn;
+ if (csValue.IsEmpty()) {
+ csValue = "Yes";
+ }
+ if (csValue == "Off") {
+ csValue = "Yes";
+ }
+ CFX_ByteString csAS = m_pWidgetDict->GetString("AS", "Off");
+ if (csAS != "Off") {
+ m_pWidgetDict->SetAtName("AS", csValue);
+ }
+ CPDF_Dictionary* pAP = m_pWidgetDict->GetDict("AP");
+ if (pAP == NULL) {
+ return;
+ }
+ FX_POSITION pos1 = pAP->GetStartPos();
+ while (pos1) {
+ CFX_ByteString csKey1;
+ CPDF_Object* pObj1 = pAP->GetNextElement(pos1, csKey1);
+ if (pObj1 == NULL) {
+ continue;
+ }
+ CPDF_Object* pObjDirect1 = pObj1->GetDirect();
+ if (pObjDirect1->GetType() != PDFOBJ_DICTIONARY) {
+ continue;
+ }
+ CPDF_Dictionary* pSubDict = (CPDF_Dictionary*)pObjDirect1;
+ FX_POSITION pos2 = pSubDict->GetStartPos();
+ while (pos2) {
+ CFX_ByteString csKey2;
+ CPDF_Object* pObj2 = pSubDict->GetNextElement(pos2, csKey2);
+ if (pObj2 == NULL) {
+ continue;
+ }
+ if (csKey2 != "Off") {
+ pSubDict->ReplaceKey(csKey2, csValue);
+ break;
+ }
+ }
+ }
+}
+CFX_ByteString CPDF_FormControl::GetCheckedAPState()
+{
+ ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton);
+ CFX_ByteString csOn = GetOnStateName();
+ if (GetType() == CPDF_FormField::RadioButton || GetType() == CPDF_FormField::CheckBox) {
+ CPDF_Object* pOpt = FPDF_GetFieldAttr(m_pField->m_pDict, "Opt");
+ if (pOpt != NULL && pOpt->GetType() == PDFOBJ_ARRAY) {
+ int iIndex = m_pField->GetControlIndex(this);
+ csOn.Format("%d", iIndex);
+ }
+ }
+ if (csOn.IsEmpty()) {
+ csOn = "Yes";
+ }
+ return csOn;
+}
+CFX_WideString CPDF_FormControl::GetExportValue()
+{
+ ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton);
+ CFX_ByteString csOn = GetOnStateName();
+ if (GetType() == CPDF_FormField::RadioButton || GetType() == CPDF_FormField::CheckBox) {
+ CPDF_Object* pOpt = FPDF_GetFieldAttr(m_pField->m_pDict, "Opt");
+ if (pOpt != NULL && pOpt->GetType() == PDFOBJ_ARRAY) {
+ int iIndex = m_pField->GetControlIndex(this);
+ csOn = ((CPDF_Array*)pOpt)->GetString(iIndex);
+ }
+ }
+ if (csOn.IsEmpty()) {
+ csOn = "Yes";
+ }
+ CFX_WideString csWOn = PDF_DecodeText(csOn);
+ return csWOn;
+}
+FX_BOOL CPDF_FormControl::IsChecked()
+{
+ ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton);
+ CFX_ByteString csOn = GetOnStateName();
+ CFX_ByteString csAS = m_pWidgetDict->GetString("AS");
+ return csAS == csOn;
+}
+FX_BOOL CPDF_FormControl::IsDefaultChecked()
+{
+ ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton);
+ CPDF_Object* pDV = FPDF_GetFieldAttr(m_pField->m_pDict, "DV");
+ if (pDV == NULL) {
+ return FALSE;
+ }
+ CFX_ByteString csDV = pDV->GetString();
+ CFX_ByteString csOn = GetOnStateName();
+ return (csDV == csOn);
+}
+void CPDF_FormControl::CheckControl(FX_BOOL bChecked)
+{
+ ASSERT(GetType() == CPDF_FormField::CheckBox || GetType() == CPDF_FormField::RadioButton);
+ CFX_ByteString csOn = GetOnStateName();
+ CFX_ByteString csOldAS = m_pWidgetDict->GetString("AS", "Off");
+ CFX_ByteString csAS = "Off";
+ if (bChecked) {
+ csAS = csOn;
+ }
+ if (csOldAS == csAS) {
+ return;
+ }
+ m_pWidgetDict->SetAtName("AS", csAS);
+ m_pForm->m_bUpdated = TRUE;
+}
+CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict, CPDF_Annot::AppearanceMode mode);
+void CPDF_FormControl::DrawControl(CFX_RenderDevice* pDevice, CFX_AffineMatrix* pMatrix, CPDF_Page* pPage,
+ CPDF_Annot::AppearanceMode mode, const CPDF_RenderOptions* pOptions)
+{
+ if (m_pWidgetDict->GetInteger("F") & ANNOTFLAG_HIDDEN) {
+ return;
+ }
+ CPDF_Stream* pStream = FPDFDOC_GetAnnotAP(m_pWidgetDict, mode);
+ if (pStream == NULL) {
+ return;
+ }
+ CFX_FloatRect form_bbox = pStream->GetDict()->GetRect("BBox");
+ CFX_AffineMatrix form_matrix = pStream->GetDict()->GetMatrix("Matrix");
+ form_matrix.TransformRect(form_bbox);
+ CFX_FloatRect arect = m_pWidgetDict->GetRect("Rect");
+ CFX_AffineMatrix matrix;
+ matrix.MatchRect(arect, form_bbox);
+ matrix.Concat(*pMatrix);
+ CPDF_Form form(m_pField->m_pForm->m_pDocument, m_pField->m_pForm->m_pFormDict->GetDict("DR"), pStream);
+ form.ParseContent(NULL, NULL, NULL, NULL);
+ CPDF_RenderContext context;
+ context.Create(pPage);
+ context.DrawObjectList(pDevice, &form, &matrix, pOptions);
+}
+const FX_CHAR* g_sHighlightingMode[] = {"N", "I", "O", "P", "T", ""};
+CPDF_FormControl::HighlightingMode CPDF_FormControl::GetHighlightingMode()
+{
+ if (m_pWidgetDict == NULL) {
+ return Invert;
+ }
+ CFX_ByteString csH = m_pWidgetDict->GetString("H", "I");
+ int i = 0;
+ while (g_sHighlightingMode[i][0] != '\0') {
+ if (csH.Equal(g_sHighlightingMode[i])) {
+ return (HighlightingMode)i;
+ }
+ i ++;
+ }
+ return Invert;
+}
+CPDF_ApSettings CPDF_FormControl::GetMK(FX_BOOL bCreate)
+{
+ if (!m_pWidgetDict) {
+ return NULL;
+ }
+ CPDF_ApSettings mk = m_pWidgetDict->GetDict(FX_BSTRC("MK"));
+ if (!mk && bCreate) {
+ mk = CPDF_Dictionary::Create();
+ if (mk == NULL) {
+ return NULL;
+ }
+ m_pWidgetDict->SetAt(FX_BSTRC("MK"), mk);
+ }
+ return mk;
+}
+FX_BOOL CPDF_FormControl::HasMKEntry(CFX_ByteString csEntry)
+{
+ CPDF_ApSettings mk = GetMK(FALSE);
+ return mk.HasMKEntry(csEntry);
+}
+int CPDF_FormControl::GetRotation()
+{
+ CPDF_ApSettings mk = GetMK(FALSE);
+ return mk.GetRotation();
+}
+FX_ARGB CPDF_FormControl::GetColor(int& iColorType, CFX_ByteString csEntry)
+{
+ CPDF_ApSettings mk = GetMK(FALSE);
+ return mk.GetColor(iColorType, csEntry);
+}
+FX_FLOAT CPDF_FormControl::GetOriginalColor(int index, CFX_ByteString csEntry)
+{
+ CPDF_ApSettings mk = GetMK(FALSE);
+ return mk.GetOriginalColor(index, csEntry);
+}
+void CPDF_FormControl::GetOriginalColor(int& iColorType, FX_FLOAT fc[4], CFX_ByteString csEntry)
+{
+ CPDF_ApSettings mk = GetMK(FALSE);
+ mk.GetOriginalColor(iColorType, fc, csEntry);
+}
+CFX_WideString CPDF_FormControl::GetCaption(CFX_ByteString csEntry)
+{
+ CPDF_ApSettings mk = GetMK(FALSE);
+ return mk.GetCaption(csEntry);
+}
+CPDF_Stream* CPDF_FormControl::GetIcon(CFX_ByteString csEntry)
+{
+ CPDF_ApSettings mk = GetMK(FALSE);
+ return mk.GetIcon(csEntry);
+}
+CPDF_IconFit CPDF_FormControl::GetIconFit()
+{
+ CPDF_ApSettings mk = GetMK(FALSE);
+ return mk.GetIconFit();
+}
+int CPDF_FormControl::GetTextPosition()
+{
+ CPDF_ApSettings mk = GetMK(FALSE);
+ return mk.GetTextPosition();
+}
+CPDF_Action CPDF_FormControl::GetAction()
+{
+ if (m_pWidgetDict == NULL) {
+ return NULL;
+ }
+ if (m_pWidgetDict->KeyExist("A")) {
+ return m_pWidgetDict->GetDict("A");
+ } else {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "A");
+ if (pObj == NULL) {
+ return NULL;
+ }
+ return pObj->GetDict();
+ }
+}
+CPDF_AAction CPDF_FormControl::GetAdditionalAction()
+{
+ if (m_pWidgetDict == NULL) {
+ return NULL;
+ }
+ if (m_pWidgetDict->KeyExist("AA")) {
+ return m_pWidgetDict->GetDict("AA");
+ } else {
+ return m_pField->GetAdditionalAction();
+ }
+}
+CPDF_DefaultAppearance CPDF_FormControl::GetDefaultAppearance()
+{
+ if (m_pWidgetDict == NULL) {
+ return CFX_ByteString();
+ }
+ if (m_pWidgetDict->KeyExist("DA")) {
+ return m_pWidgetDict->GetString("DA");
+ } else {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "DA");
+ if (pObj == NULL) {
+ return m_pField->m_pForm->GetDefaultAppearance();
+ }
+ return pObj->GetString();
+ }
+}
+CPDF_Font* CPDF_FormControl::GetDefaultControlFont()
+{
+ CPDF_DefaultAppearance cDA = GetDefaultAppearance();
+ CFX_ByteString csFontNameTag;
+ FX_FLOAT fFontSize;
+ cDA.GetFont(csFontNameTag, fFontSize);
+ if (csFontNameTag.IsEmpty()) {
+ return NULL;
+ }
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pWidgetDict, "DR");
+ if (pObj != NULL && pObj->GetType() == PDFOBJ_DICTIONARY) {
+ CPDF_Dictionary* pFonts = ((CPDF_Dictionary*)pObj)->GetDict("Font");
+ if (pFonts != NULL) {
+ CPDF_Dictionary *pElement = pFonts->GetDict(csFontNameTag);
+ CPDF_Font *pFont = m_pField->m_pForm->m_pDocument->LoadFont(pElement);
+ if (pFont != NULL) {
+ return pFont;
+ }
+ }
+ }
+ CPDF_Font *pFont = m_pField->m_pForm->GetFormFont(csFontNameTag);
+ if (pFont != NULL) {
+ return pFont;
+ }
+ CPDF_Dictionary *pPageDict = m_pWidgetDict->GetDict("P");
+ pObj = FPDF_GetFieldAttr(pPageDict, "Resources");
+ if (pObj != NULL && pObj->GetType() == PDFOBJ_DICTIONARY) {
+ CPDF_Dictionary* pFonts = ((CPDF_Dictionary*)pObj)->GetDict("Font");
+ if (pFonts != NULL) {
+ CPDF_Dictionary *pElement = pFonts->GetDict(csFontNameTag);
+ CPDF_Font *pFont = m_pField->m_pForm->m_pDocument->LoadFont(pElement);
+ if (pFont != NULL) {
+ return pFont;
+ }
+ }
+ }
+ return NULL;
+}
+int CPDF_FormControl::GetControlAlignment()
+{
+ if (m_pWidgetDict == NULL) {
+ return 0;
+ }
+ if (m_pWidgetDict->KeyExist("Q")) {
+ return m_pWidgetDict->GetInteger("Q", 0);
+ } else {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pField->m_pDict, "Q");
+ if (pObj == NULL) {
+ return m_pField->m_pForm->GetFormAlignment();
+ }
+ return pObj->GetInteger();
+ }
+}
+FX_BOOL CPDF_ApSettings::HasMKEntry(FX_BSTR csEntry)
+{
+ if (m_pDict == NULL) {
+ return FALSE;
+ }
+ return m_pDict->KeyExist(csEntry);
+}
+int CPDF_ApSettings::GetRotation()
+{
+ if (m_pDict == NULL) {
+ return 0;
+ }
+ return m_pDict->GetInteger(FX_BSTRC("R"));
+}
+FX_ARGB CPDF_ApSettings::GetColor(int& iColorType, FX_BSTR csEntry)
+{
+ iColorType = COLORTYPE_TRANSPARENT;
+ if (m_pDict == NULL) {
+ return 0;
+ }
+ FX_ARGB color = 0;
+ CPDF_Array* pEntry = m_pDict->GetArray(csEntry);
+ if (pEntry == NULL) {
+ return color;
+ }
+ FX_DWORD dwCount = pEntry->GetCount();
+ if (dwCount == 1) {
+ iColorType = COLORTYPE_GRAY;
+ FX_FLOAT g = pEntry->GetNumber(0) * 255;
+ color = ArgbEncode(255, (int)g, (int)g, (int)g);
+ } else if (dwCount == 3) {
+ iColorType = COLORTYPE_RGB;
+ FX_FLOAT r = pEntry->GetNumber(0) * 255;
+ FX_FLOAT g = pEntry->GetNumber(1) * 255;
+ FX_FLOAT b = pEntry->GetNumber(2) * 255;
+ color = ArgbEncode(255, (int)r, (int)g, (int)b);
+ } else if (dwCount == 4) {
+ iColorType = COLORTYPE_CMYK;
+ FX_FLOAT c = pEntry->GetNumber(0);
+ FX_FLOAT m = pEntry->GetNumber(1);
+ FX_FLOAT y = pEntry->GetNumber(2);
+ FX_FLOAT k = pEntry->GetNumber(3);
+ FX_FLOAT r = 1.0f - FX_MIN(1.0f, c + k);
+ FX_FLOAT g = 1.0f - FX_MIN(1.0f, m + k);
+ FX_FLOAT b = 1.0f - FX_MIN(1.0f, y + k);
+ color = ArgbEncode(255, (int)(r * 255), (int)(g * 255), (int)(b * 255));
+ }
+ return color;
+}
+FX_FLOAT CPDF_ApSettings::GetOriginalColor(int index, FX_BSTR csEntry)
+{
+ if (m_pDict == NULL) {
+ return 0;
+ }
+ CPDF_Array* pEntry = m_pDict->GetArray(csEntry);
+ if (pEntry != NULL) {
+ return pEntry->GetNumber(index);
+ }
+ return 0;
+}
+void CPDF_ApSettings::GetOriginalColor(int& iColorType, FX_FLOAT fc[4], FX_BSTR csEntry)
+{
+ iColorType = COLORTYPE_TRANSPARENT;
+ for (int i = 0; i < 4; i ++) {
+ fc[i] = 0;
+ }
+ if (m_pDict == NULL) {
+ return;
+ }
+ CPDF_Array* pEntry = m_pDict->GetArray(csEntry);
+ if (pEntry == NULL) {
+ return;
+ }
+ FX_DWORD dwCount = pEntry->GetCount();
+ if (dwCount == 1) {
+ iColorType = COLORTYPE_GRAY;
+ fc[0] = pEntry->GetNumber(0);
+ } else if (dwCount == 3) {
+ iColorType = COLORTYPE_RGB;
+ fc[0] = pEntry->GetNumber(0);
+ fc[1] = pEntry->GetNumber(1);
+ fc[2] = pEntry->GetNumber(2);
+ } else if (dwCount == 4) {
+ iColorType = COLORTYPE_CMYK;
+ fc[0] = pEntry->GetNumber(0);
+ fc[1] = pEntry->GetNumber(1);
+ fc[2] = pEntry->GetNumber(2);
+ fc[3] = pEntry->GetNumber(3);
+ }
+}
+CFX_WideString CPDF_ApSettings::GetCaption(FX_BSTR csEntry)
+{
+ CFX_WideString csCaption;
+ if (m_pDict == NULL) {
+ return csCaption;
+ }
+ return m_pDict->GetUnicodeText(csEntry);
+}
+CPDF_Stream* CPDF_ApSettings::GetIcon(FX_BSTR csEntry)
+{
+ if (m_pDict == NULL) {
+ return NULL;
+ }
+ return m_pDict->GetStream(csEntry);
+}
+CPDF_IconFit CPDF_ApSettings::GetIconFit()
+{
+ if (m_pDict == NULL) {
+ return NULL;
+ }
+ return m_pDict->GetDict(FX_BSTRC("IF"));
+}
+int CPDF_ApSettings::GetTextPosition()
+{
+ if (m_pDict == NULL) {
+ return TEXTPOS_CAPTION;
+ }
+ return m_pDict->GetInteger(FX_BSTRC("TP"), TEXTPOS_CAPTION);
+}
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