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// Copyright 2018 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.
#include "core/fpdfdoc/cpdf_annot.h"
#include <memory>
#include <vector>
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_number.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
RetainPtr<CPDF_Array> CreateQuadPointArrayFromVector(
const std::vector<int>& points) {
auto array = pdfium::MakeRetain<CPDF_Array>();
for (float point : points)
array->AddNew<CPDF_Number>(point);
return array;
}
} // namespace
TEST(CPDFAnnotTest, RectFromQuadPointsArray) {
RetainPtr<CPDF_Array> array = CreateQuadPointArrayFromVector(
{0, 1, 2, 3, 4, 5, 6, 7, 8, 7, 6, 5, 4, 3, 2, 1});
CFX_FloatRect rect = CPDF_Annot::RectFromQuadPointsArray(array.Get(), 0);
EXPECT_EQ(4.0f, rect.left);
EXPECT_EQ(5.0f, rect.bottom);
EXPECT_EQ(2.0f, rect.right);
EXPECT_EQ(3.0f, rect.top);
rect = CPDF_Annot::RectFromQuadPointsArray(array.Get(), 1);
EXPECT_EQ(4.0f, rect.left);
EXPECT_EQ(3.0f, rect.bottom);
EXPECT_EQ(6.0f, rect.right);
EXPECT_EQ(5.0f, rect.top);
}
TEST(CPDFAnnotTest, BoundingRectFromQuadPoints) {
auto dict = pdfium::MakeRetain<CPDF_Dictionary>();
CFX_FloatRect rect = CPDF_Annot::BoundingRectFromQuadPoints(dict.Get());
EXPECT_EQ(0.0f, rect.left);
EXPECT_EQ(0.0f, rect.bottom);
EXPECT_EQ(0.0f, rect.right);
EXPECT_EQ(0.0f, rect.top);
dict->SetFor("QuadPoints", CreateQuadPointArrayFromVector({0, 1, 2}));
rect = CPDF_Annot::BoundingRectFromQuadPoints(dict.Get());
EXPECT_EQ(0.0f, rect.left);
EXPECT_EQ(0.0f, rect.bottom);
EXPECT_EQ(0.0f, rect.right);
EXPECT_EQ(0.0f, rect.top);
dict->SetFor("QuadPoints",
CreateQuadPointArrayFromVector({0, 1, 2, 3, 4, 5, 6, 7}));
rect = CPDF_Annot::BoundingRectFromQuadPoints(dict.Get());
EXPECT_EQ(4.0f, rect.left);
EXPECT_EQ(5.0f, rect.bottom);
EXPECT_EQ(2.0f, rect.right);
EXPECT_EQ(3.0f, rect.top);
dict->SetFor("QuadPoints", CreateQuadPointArrayFromVector(
{0, 1, 2, 3, 4, 5, 6, 7, 8, 7, 6, 5,
4, 3, 2, 1, 9, 2, 5, 7, 3, 6, 4, 1}));
rect = CPDF_Annot::BoundingRectFromQuadPoints(dict.Get());
EXPECT_EQ(2.0f, rect.left);
EXPECT_EQ(3.0f, rect.bottom);
EXPECT_EQ(6.0f, rect.right);
EXPECT_EQ(7.0f, rect.top);
}
TEST(CPDFAnnotTest, RectFromQuadPoints) {
auto dict = pdfium::MakeRetain<CPDF_Dictionary>();
CFX_FloatRect rect = CPDF_Annot::RectFromQuadPoints(dict.Get(), 0);
EXPECT_EQ(0.0f, rect.left);
EXPECT_EQ(0.0f, rect.bottom);
EXPECT_EQ(0.0f, rect.right);
EXPECT_EQ(0.0f, rect.top);
rect = CPDF_Annot::RectFromQuadPoints(dict.Get(), 5);
EXPECT_EQ(0.0f, rect.left);
EXPECT_EQ(0.0f, rect.bottom);
EXPECT_EQ(0.0f, rect.right);
EXPECT_EQ(0.0f, rect.top);
dict->SetFor("QuadPoints",
CreateQuadPointArrayFromVector({0, 1, 2, 3, 4, 5, 6, 7}));
rect = CPDF_Annot::RectFromQuadPoints(dict.Get(), 0);
EXPECT_EQ(4.0f, rect.left);
EXPECT_EQ(5.0f, rect.bottom);
EXPECT_EQ(2.0f, rect.right);
EXPECT_EQ(3.0f, rect.top);
rect = CPDF_Annot::RectFromQuadPoints(dict.Get(), 5);
EXPECT_EQ(0.0f, rect.left);
EXPECT_EQ(0.0f, rect.bottom);
EXPECT_EQ(0.0f, rect.right);
EXPECT_EQ(0.0f, rect.top);
dict->SetFor("QuadPoints", CreateQuadPointArrayFromVector(
{0, 1, 2, 3, 4, 5, 6, 7, 8, 7, 6, 5,
4, 3, 2, 1, 9, 2, 5, 7, 3, 6, 4, 1}));
rect = CPDF_Annot::RectFromQuadPoints(dict.Get(), 0);
EXPECT_EQ(4.0f, rect.left);
EXPECT_EQ(5.0f, rect.bottom);
EXPECT_EQ(2.0f, rect.right);
EXPECT_EQ(3.0f, rect.top);
rect = CPDF_Annot::RectFromQuadPoints(dict.Get(), 1);
EXPECT_EQ(4.0f, rect.left);
EXPECT_EQ(3.0f, rect.bottom);
EXPECT_EQ(6.0f, rect.right);
EXPECT_EQ(5.0f, rect.top);
rect = CPDF_Annot::RectFromQuadPoints(dict.Get(), 2);
EXPECT_EQ(3.0f, rect.left);
EXPECT_EQ(6.0f, rect.bottom);
EXPECT_EQ(5.0f, rect.right);
EXPECT_EQ(7.0f, rect.top);
}
TEST(CPDFAnnotTest, QuadPointCount) {
RetainPtr<CPDF_Array> array = CreateQuadPointArrayFromVector({});
EXPECT_EQ(0u, CPDF_Annot::QuadPointCount(array.Get()));
for (int i = 0; i < 7; ++i) {
array->AddNew<CPDF_Number>(0);
EXPECT_EQ(0u, CPDF_Annot::QuadPointCount(array.Get()));
}
for (int i = 0; i < 8; ++i) {
array->AddNew<CPDF_Number>(0);
EXPECT_EQ(1u, CPDF_Annot::QuadPointCount(array.Get()));
}
for (int i = 0; i < 50; ++i)
array->AddNew<CPDF_Number>(0);
EXPECT_EQ(8u, CPDF_Annot::QuadPointCount(array.Get()));
}