system/serenity
system/serenity
1
0
Fork 0
mirror of https://github.com/SerenityOS/serenity synced 2024-07-21 18:15:58 +00:00
Code Issues Actions 5 Packages Projects Releases Wiki Activity

Tests: Add a PDF rendering test

Browse source 
Having some rendering test coverage is motivated by #22362, but this
test wouldn't have found the crashes over there (since colorspaces.pdf
does not contain pattern color spaces). Still, good to have some
in-repo test coverage of PDF rendering.
This commit is contained in:
Nico Weber 2023-12-19 19:01:12 -05:00 committed by Andreas Kling
parent d577d181e3
commit 4107c2985e
2 changed files with 34 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Tests/LibPDF/CMakeLists.txt
View file

@ -3,7 +3,7 @@ set(TEST_SOURCES
)
foreach(source IN LISTS TEST_SOURCES)
serenity_test("${source}" LibPDF LIBS LibCore LibPDF)
serenity_test("${source}" LibPDF LIBS LibCore LibGfx LibPDF)
endforeach()
set(TEST_FILES

33
Tests/LibPDF/TestPDF.cpp
View file

@ -7,9 +7,11 @@
#include <AK/ByteString.h>
#include <AK/Forward.h>
#include <LibCore/MappedFile.h>
#include <LibGfx/Bitmap.h>
#include <LibPDF/CommonNames.h>
#include <LibPDF/Document.h>
#include <LibPDF/Function.h>
#include <LibPDF/Renderer.h>
#include <LibTest/Macros.h>
#include <LibTest/TestCase.h>
@ -267,3 +269,34 @@ TEST_CASE(postscript)
check_evaluate("{ 3 1 roll }"sv, { 0.5f, 1.0f, 2.0f }, { 2.0f, 0.5f, 1.0f });
check_evaluate("{ 3 -1 roll }"sv, { 0.5f, 1.0f, 2.0f }, { 1.0f, 2.0f, 0.5f });
}
TEST_CASE(render)
{
auto file = MUST(Core::MappedFile::map("colorspaces.pdf"sv));
auto document = MUST(PDF::Document::create(file->bytes()));
MUST(document->initialize());
EXPECT_EQ(document->get_page_count(), 1U);
auto page = MUST(document->get_page(0));
auto page_size = Gfx::IntSize { 310, 370 };
auto bitmap = MUST(Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, page_size));
MUST(PDF::Renderer::render(document, page, bitmap, Color::White, PDF::RenderingPreferences {}));
// DeviceGray
EXPECT_EQ(bitmap->get_pixel(270, 370 - 20), Gfx::Color::NamedColor::Black);
// MyCalRGB
EXPECT_EQ(bitmap->get_pixel(270, 370 - 80), Gfx::Color::NamedColor::Black);
// DeviceRGB
EXPECT_EQ(bitmap->get_pixel(270, 370 - 140), Gfx::Color::NamedColor::Black);
// DeviceCMYK (note: black one box further left)
EXPECT_EQ(bitmap->get_pixel(220, 370 - 200), Gfx::Color::NamedColor::Black);
// MyLab
EXPECT_EQ(bitmap->get_pixel(270, 370 - 260), Gfx::Color::NamedColor::Black);
// MyCalGray
EXPECT_EQ(bitmap->get_pixel(270, 370 - 320), Gfx::Color::NamedColor::Black);
}