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-rw-r--r--core/fpdfdoc/cpdf_annot.cpp50
-rw-r--r--core/fpdfdoc/cpdf_annot.h8
-rw-r--r--core/fpdfdoc/cpvt_generateap.cpp112
3 files changed, 113 insertions, 57 deletions
diff --git a/core/fpdfdoc/cpdf_annot.cpp b/core/fpdfdoc/cpdf_annot.cpp
index cc70a3087c..91cdb12d9f 100644
--- a/core/fpdfdoc/cpdf_annot.cpp
+++ b/core/fpdfdoc/cpdf_annot.cpp
@@ -6,6 +6,7 @@
#include "core/fpdfdoc/cpdf_annot.h"
+#include <algorithm>
#include <utility>
#include "core/fpdfapi/page/cpdf_form.h"
@@ -158,7 +159,7 @@ CFX_FloatRect CPDF_Annot::RectForDrawing() const {
bool bShouldUseQuadPointsCoords =
m_bIsTextMarkupAnnotation && m_bHasGeneratedAP;
if (bShouldUseQuadPointsCoords)
- return RectFromQuadPoints(m_pAnnotDict.Get());
+ return BoundingRectFromQuadPoints(m_pAnnotDict.Get());
return m_pAnnotDict->GetRectFor("Rect");
}
@@ -205,11 +206,8 @@ CPDF_Form* CPDF_Annot::GetAPForm(const CPDF_Page* pPage, AppearanceMode mode) {
}
// Static.
-CFX_FloatRect CPDF_Annot::RectFromQuadPoints(CPDF_Dictionary* pAnnotDict) {
- CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
- if (!pArray)
- return CFX_FloatRect();
-
+CFX_FloatRect CPDF_Annot::RectFromQuadPointsArray(const CPDF_Array* pArray,
+ size_t nIndex) {
// QuadPoints are defined with 4 pairs of numbers
// ([ pair0, pair1, pair2, pair3 ]), where
// pair0 = top_left
@@ -217,11 +215,40 @@ CFX_FloatRect CPDF_Annot::RectFromQuadPoints(CPDF_Dictionary* pAnnotDict) {
// pair2 = bottom_left
// pair3 = bottom_right
//
- // On the other hand, /Rect is define as 2 pairs [pair0, pair1] where:
+ // On the other hand, /Rect is defined as 2 pairs [pair0, pair1] where:
// pair0 = bottom_left
// pair1 = top_right.
- return CFX_FloatRect(pArray->GetNumberAt(4), pArray->GetNumberAt(5),
- pArray->GetNumberAt(2), pArray->GetNumberAt(3));
+
+ return CFX_FloatRect(
+ pArray->GetNumberAt(4 + nIndex * 8), pArray->GetNumberAt(5 + nIndex * 8),
+ pArray->GetNumberAt(2 + nIndex * 8), pArray->GetNumberAt(3 + nIndex * 8));
+}
+
+// Static.
+CFX_FloatRect CPDF_Annot::BoundingRectFromQuadPoints(
+ CPDF_Dictionary* pAnnotDict) {
+ CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
+ if (!pArray)
+ return CFX_FloatRect();
+
+ CFX_FloatRect ret = RectFromQuadPointsArray(pArray, 0);
+ size_t nQuadPointCount = QuadPointCount(pArray);
+ for (size_t i = 1; i < nQuadPointCount; ++i) {
+ CFX_FloatRect rect = RectFromQuadPointsArray(pArray, i);
+ ret.Union(rect);
+ }
+ return ret;
+}
+
+// Static.
+CFX_FloatRect CPDF_Annot::RectFromQuadPoints(CPDF_Dictionary* pAnnotDict,
+ size_t nIndex) {
+ CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
+
+ if (!pArray)
+ return CFX_FloatRect();
+
+ return RectFromQuadPointsArray(pArray, nIndex);
}
// Static.
@@ -348,6 +375,11 @@ ByteString CPDF_Annot::AnnotSubtypeToString(CPDF_Annot::Subtype nSubtype) {
return "";
}
+// Static.
+size_t CPDF_Annot::QuadPointCount(const CPDF_Array* pArray) {
+ return pArray->GetCount() / 8;
+}
+
bool CPDF_Annot::DrawAppearance(CPDF_Page* pPage,
CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
diff --git a/core/fpdfdoc/cpdf_annot.h b/core/fpdfdoc/cpdf_annot.h
index 499c62dcba..3f1164ad18 100644
--- a/core/fpdfdoc/cpdf_annot.h
+++ b/core/fpdfdoc/cpdf_annot.h
@@ -16,6 +16,7 @@
#include "core/fxcrt/maybe_owned.h"
class CFX_RenderDevice;
+class CPDF_Array;
class CPDF_Dictionary;
class CPDF_Document;
class CPDF_Form;
@@ -66,7 +67,12 @@ class CPDF_Annot {
static bool IsAnnotationHidden(CPDF_Dictionary* pAnnotDict);
static CPDF_Annot::Subtype StringToAnnotSubtype(const ByteString& sSubtype);
static ByteString AnnotSubtypeToString(CPDF_Annot::Subtype nSubtype);
- static CFX_FloatRect RectFromQuadPoints(CPDF_Dictionary* pAnnotDict);
+ static CFX_FloatRect RectFromQuadPointsArray(const CPDF_Array* pArray,
+ size_t nIndex);
+ static CFX_FloatRect BoundingRectFromQuadPoints(CPDF_Dictionary* pAnnotDict);
+ static CFX_FloatRect RectFromQuadPoints(CPDF_Dictionary* pAnnotDict,
+ size_t nIndex);
+ static size_t QuadPointCount(const CPDF_Array* pArray);
// The second constructor does not take ownership of the dictionary.
CPDF_Annot(std::unique_ptr<CPDF_Dictionary> pDict, CPDF_Document* pDocument);
diff --git a/core/fpdfdoc/cpvt_generateap.cpp b/core/fpdfdoc/cpvt_generateap.cpp
index eb3e22d870..e2fbcc9720 100644
--- a/core/fpdfdoc/cpvt_generateap.cpp
+++ b/core/fpdfdoc/cpvt_generateap.cpp
@@ -519,7 +519,7 @@ void GenerateAndSetAPDict(CPDF_Document* pDoc,
pStreamDict->SetMatrixFor("Matrix", CFX_Matrix());
CFX_FloatRect rect = bIsTextMarkupAnnotation
- ? CPDF_Annot::RectFromQuadPoints(pAnnotDict)
+ ? CPDF_Annot::BoundingRectFromQuadPoints(pAnnotDict)
: pAnnotDict->GetRectFor("Rect");
pStreamDict->SetRectFor("BBox", rect);
pStreamDict->SetFor("Resources", std::move(pResourceDict));
@@ -606,13 +606,18 @@ bool GenerateHighlightAP(CPDF_Document* pDoc, CPDF_Dictionary* pAnnotDict) {
CFX_Color(CFX_Color::kRGB, 1, 1, 0),
PaintOperation::FILL);
- CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict);
- rect.Normalize();
+ CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
+ if (pArray) {
+ size_t nQuadPointCount = CPDF_Annot::QuadPointCount(pArray);
+ for (size_t i = 0; i < nQuadPointCount; ++i) {
+ CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict, i);
+ rect.Normalize();
- sAppStream << rect.left << " " << rect.top << " m " << rect.right << " "
- << rect.top << " l " << rect.right << " " << rect.bottom << " l "
- << rect.left << " " << rect.bottom << " l "
- << "h f\n";
+ sAppStream << rect.left << " " << rect.top << " m " << rect.right << " "
+ << rect.top << " l " << rect.right << " " << rect.bottom
+ << " l " << rect.left << " " << rect.bottom << " l h f\n";
+ }
+ }
auto pExtGStateDict =
GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Multiply");
@@ -708,13 +713,18 @@ bool GenerateUnderlineAP(CPDF_Document* pDoc, CPDF_Dictionary* pAnnotDict) {
CFX_Color(CFX_Color::kRGB, 0, 0, 0),
PaintOperation::STROKE);
- CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict);
- rect.Normalize();
-
- float fLineWidth = 1.0;
- sAppStream << fLineWidth << " w " << rect.left << " "
- << rect.bottom + fLineWidth << " m " << rect.right << " "
- << rect.bottom + fLineWidth << " l S\n";
+ CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
+ if (pArray) {
+ static constexpr float kLineWidth = 1.0f;
+ sAppStream << kLineWidth << " w ";
+ size_t nQuadPointCount = CPDF_Annot::QuadPointCount(pArray);
+ for (size_t i = 0; i < nQuadPointCount; ++i) {
+ CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict, i);
+ rect.Normalize();
+ sAppStream << rect.left << " " << rect.bottom + kLineWidth << " m "
+ << rect.right << " " << rect.bottom + kLineWidth << " l S\n";
+ }
+ }
auto pExtGStateDict =
GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal");
@@ -817,36 +827,38 @@ bool GenerateSquigglyAP(CPDF_Document* pDoc, CPDF_Dictionary* pAnnotDict) {
CFX_Color(CFX_Color::kRGB, 0, 0, 0),
PaintOperation::STROKE);
- CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict);
- rect.Normalize();
-
- float fLineWidth = 1.0;
- sAppStream << fLineWidth << " w ";
-
- const float fDelta = 2.0;
- const float fTop = rect.bottom + fDelta;
- const float fBottom = rect.bottom;
-
- sAppStream << rect.left << " " << fTop << " m ";
-
- float fX = rect.left + fDelta;
- bool isUpwards = false;
+ CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
+ if (pArray) {
+ static constexpr float kLineWidth = 1.0f;
+ static constexpr float kDelta = 2.0f;
+ sAppStream << kLineWidth << " w ";
+ size_t nQuadPointCount = CPDF_Annot::QuadPointCount(pArray);
+ for (size_t i = 0; i < nQuadPointCount; ++i) {
+ CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict, i);
+ rect.Normalize();
+
+ const float fTop = rect.bottom + kDelta;
+ const float fBottom = rect.bottom;
+ sAppStream << rect.left << " " << fTop << " m ";
+
+ float fX = rect.left + kDelta;
+ bool isUpwards = false;
+ while (fX < rect.right) {
+ sAppStream << fX << " " << (isUpwards ? fTop : fBottom) << " l ";
+ fX += kDelta;
+ isUpwards = !isUpwards;
+ }
- while (fX < rect.right) {
- sAppStream << fX << " " << (isUpwards ? fTop : fBottom) << " l ";
+ float fRemainder = rect.right - (fX - kDelta);
+ if (isUpwards)
+ sAppStream << rect.right << " " << fBottom + fRemainder << " l ";
+ else
+ sAppStream << rect.right << " " << fTop - fRemainder << " l ";
- fX += fDelta;
- isUpwards = !isUpwards;
+ sAppStream << "S\n";
+ }
}
- float fRemainder = rect.right - (fX - fDelta);
- if (isUpwards)
- sAppStream << rect.right << " " << fBottom + fRemainder << " l ";
- else
- sAppStream << rect.right << " " << fTop - fRemainder << " l ";
-
- sAppStream << "S\n";
-
auto pExtGStateDict =
GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal");
auto pResourceDict =
@@ -865,13 +877,19 @@ bool GenerateStrikeOutAP(CPDF_Document* pDoc, CPDF_Dictionary* pAnnotDict) {
CFX_Color(CFX_Color::kRGB, 0, 0, 0),
PaintOperation::STROKE);
- CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict);
- rect.Normalize();
-
- float fLineWidth = 1.0;
- float fY = (rect.top + rect.bottom) / 2;
- sAppStream << fLineWidth << " w " << rect.left << " " << fY << " m "
- << rect.right << " " << fY << " l S\n";
+ CPDF_Array* pArray = pAnnotDict->GetArrayFor("QuadPoints");
+ if (pArray) {
+ static constexpr float kLineWidth = 1.0f;
+ size_t nQuadPointCount = CPDF_Annot::QuadPointCount(pArray);
+ for (size_t i = 0; i < nQuadPointCount; ++i) {
+ CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(pAnnotDict, i);
+ rect.Normalize();
+
+ float fY = (rect.top + rect.bottom) / 2;
+ sAppStream << kLineWidth << " w " << rect.left << " " << fY << " m "
+ << rect.right << " " << fY << " l S\n";
+ }
+ }
auto pExtGStateDict =
GenerateExtGStateDict(*pAnnotDict, sExtGSDictName, "Normal");
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 22:40:41 +0000