PixelPaint: adding an option to export as PNG

This commit is contained in:
Pierre 2021-01-22 11:55:26 +01:00 committed by Andreas Kling
parent a1d7739607
commit 8e265b512a
3 changed files with 29 additions and 0 deletions

View file

@ -34,6 +34,7 @@
#include <LibGUI/Painter.h>
#include <LibGfx/BMPWriter.h>
#include <LibGfx/ImageDecoder.h>
#include <LibGfx/PNGWriter.h>
#include <stdio.h>
//#define PAINT_DEBUG
@ -153,6 +154,19 @@ void Image::export_bmp(const String& file_path)
fclose(file);
}
void Image::export_png(const String& file_path)
{
auto bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::RGBA32, m_size);
GUI::Painter painter(*bitmap);
paint_into(painter, { 0, 0, m_size.width(), m_size.height() });
Gfx::PNGWriter png_writer;
auto png = png_writer.write(bitmap);
auto file = fopen(file_path.characters(), "wb");
fwrite(png.data(), sizeof(u8), png.size(), file);
fclose(file);
}
void Image::add_layer(NonnullRefPtr<Layer> layer)
{
for (auto& existing_layer : m_layers) {

View file

@ -70,6 +70,7 @@ public:
void paint_into(GUI::Painter&, const Gfx::IntRect& dest_rect);
void save(const String& file_path) const;
void export_bmp(const String& file_path);
void export_png(const String& file_path);
void move_layer_to_front(Layer&);
void move_layer_to_back(Layer&);

View file

@ -160,6 +160,20 @@ int main(int argc, char** argv)
image_editor.image()->export_bmp(save_path.value());
},
window));
export_submenu.add_action(
GUI::Action::create(
"As PNG", [&](auto&) {
if (!image_editor.image())
return;
Optional<String> save_path = GUI::FilePicker::get_save_filepath(window, "untitled", "png");
if (!save_path.has_value())
return;
image_editor.image()->export_png(save_path.value());
},
window));
app_menu.add_separator();
app_menu.add_action(GUI::CommonActions::make_quit_action([](auto&) {