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Magnifier: Add the option to save captures

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This commit is contained in:
Roberto Bampi 2022-08-22 22:38:37 +02:00 committed by Sam Atkins
parent eb0657c23e
commit 69f7a59a34
3 changed files with 45 additions and 2 deletions
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2
Userland/Applications/Magnifier/CMakeLists.txt
View file

@ -11,4 +11,4 @@ set(SOURCES
)
serenity_app(Magnifier ICON app-magnifier)
target_link_libraries(Magnifier LibGfx LibGUI LibMain)
target_link_libraries(Magnifier LibGfx LibGUI LibMain LibFileSystemAccessClient)

2
Userland/Applications/Magnifier/MagnifierWidget.h
View file

@ -18,6 +18,7 @@ public:
virtual ~MagnifierWidget() override = default;
void set_scale_factor(int scale_factor);
void set_color_filter(OwnPtr<Gfx::ColorBlindnessFilter>);
void pause_capture(bool pause)
{
m_pause_capture = pause;
@ -26,6 +27,7 @@ public:
}
void display_previous_frame();
void display_next_frame();
RefPtr<Gfx::Bitmap> current_bitmap() const { return m_grabbed_bitmap; };
private:
MagnifierWidget();

43
Userland/Applications/Magnifier/main.cpp
View file

@ -5,23 +5,43 @@
*/
#include "MagnifierWidget.h"
#include <AK/LexicalPath.h>
#include <LibCore/System.h>
#include <LibFileSystemAccessClient/Client.h>
#include <LibGUI/ActionGroup.h>
#include <LibGUI/Application.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Menubar.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/Window.h>
#include <LibGfx/BMPWriter.h>
#include <LibGfx/Filters/ColorBlindnessFilter.h>
#include <LibGfx/PNGWriter.h>
#include <LibGfx/QOIWriter.h>
#include <LibMain/Main.h>
static ErrorOr<ByteBuffer> dump_bitmap(RefPtr<Gfx::Bitmap> bitmap, AK::StringView extension)
{
if (extension == "bmp") {
Gfx::BMPWriter dumper;
return dumper.dump(bitmap);
} else if (extension == "png") {
return Gfx::PNGWriter::encode(*bitmap);
} else if (extension == "qoi") {
return Gfx::QOIWriter::encode(*bitmap);
} else {
return Error::from_string_literal("invalid image format");
}
}
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio cpath rpath recvfd sendfd unix"));
auto app = TRY(GUI::Application::try_create(arguments));
TRY(Core::System::pledge("stdio cpath rpath recvfd sendfd"));
TRY(Core::System::unveil("/res", "r"));
TRY(Core::System::unveil("/tmp/user/%uid/portal/filesystemaccess", "rw"));
TRY(Core::System::unveil(nullptr, nullptr));
auto app_icon = GUI::Icon::default_icon("app-magnifier"sv);
@ -40,6 +60,27 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
app->quit();
})));
TRY(file_menu->try_add_action(GUI::CommonActions::make_save_as_action([&](auto&) {
AK::String filename = "file for saving";
auto do_save = [&]() -> ErrorOr<void> {
auto file = TRY(FileSystemAccessClient::Client::the().try_save_file(window, "Capture", "png"));
auto path = AK::LexicalPath(file->filename());
filename = path.basename();
auto encoded = TRY(dump_bitmap(magnifier->current_bitmap(), path.extension()));
if (!file->write(encoded.data(), encoded.size())) {
return Error::from_errno(file->error());
}
return {};
};
auto result = do_save();
if (result.is_error()) {
GUI::MessageBox::show(window, "Unable to save file.\n"sv, "Error"sv, GUI::MessageBox::Type::Error);
warnln("Error saving bitmap to {}: {}", filename, result.error().string_literal());
}
})));
auto size_action_group = make<GUI::ActionGroup>();
auto two_x_action = GUI::Action::create_checkable(