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feat: implemented Incremental save system

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This commit is contained in:
Furqan-14
2026-05-26 11:23:29 +05:30
parent c3447bb793
commit bb1b2dcd50
8 changed files with 196 additions and 9 deletions
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engine/tests/document_test.cpp
+53 -2
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@@ -364,8 +364,10 @@ TEST(TextExtractionTest, ExtractTextWithBounds) {
bool found_hello = false;
for (const auto& glyph : glyphs) {
EXPECT_FALSE(glyph.text.empty());
EXPECT_GT(glyph.w, 0.0);
EXPECT_GT(glyph.h, 0.0);
if (glyph.text != " " && glyph.text != "\r" && glyph.text != "\n" && glyph.text != "\t") {
EXPECT_GT(glyph.w, 0.0);
EXPECT_GT(glyph.h, 0.0);
}
EXPECT_GT(glyph.fontSize, 0.0);
if (glyph.text == "H" || glyph.text == "e" || glyph.text == "l" || glyph.text == "o") {
found_hello = true;
@@ -374,4 +376,53 @@ TEST(TextExtractionTest, ExtractTextWithBounds) {
EXPECT_TRUE(found_hello);
}
TEST(DocumentEditTest, ApplyEditsAndIncrementalSave) {
SKIP_IF_NO_PDFIUM();
auto path = getCorpusPath("basic", "hello_world.pdf");
if (!std::filesystem::exists(path)) {
GTEST_SKIP() << "hello_world.pdf not found in corpus.";
}
auto docRes = PdfDocument::loadFromFile(path.string());
ASSERT_TRUE(docRes.has_value());
auto doc = *docRes;
std::string editsJson = R"({
"operations": [
{
"type": "add_text",
"pageIndex": 0,
"data": {
"text": "UniqueEditedTextAnnotation123",
"x": 100.0,
"y": 150.0,
"fontSize": 14.0
}
}
]
})";
auto editRes = doc->applyEdits(editsJson);
ASSERT_TRUE(editRes.has_value());
auto saveRes = doc->saveIncremental();
ASSERT_TRUE(saveRes.has_value());
const auto& savedBytes = *saveRes;
ASSERT_FALSE(savedBytes.empty());
auto newDocRes = PdfDocument::loadFromMemory(savedBytes);
ASSERT_TRUE(newDocRes.has_value());
auto newDoc = *newDocRes;
EXPECT_EQ(newDoc->pageCount(), 1);
auto newPageRes = newDoc->getPage(0);
ASSERT_TRUE(newPageRes.has_value());
auto newPage = *newPageRes;
auto textRes = newPage->extractText();
ASSERT_TRUE(textRes.has_value());
std::string text = *textRes;
EXPECT_NE(text.find("UniqueEditedTextAnnotation123"), std::string::npos);
}
}