From d3353ee0e7cb2b34651bd3ae7f52d8a20548fe11 Mon Sep 17 00:00:00 2001
From: snooze6214 <alaaps1@gmail.com>
Date: Tue, 18 Oct 2022 20:24:00 +0530
Subject: [PATCH] PixelPaint: Add action to invert selection

---
 Base/res/icons/pixelpaint/invert-selection.png  | Bin 0 -> 165 bytes
 Userland/Applications/PixelPaint/IconBag.cpp    |   1 +
 Userland/Applications/PixelPaint/IconBag.h      |   1 +
 Userland/Applications/PixelPaint/MainWidget.cpp |   6 ++++++
 Userland/Applications/PixelPaint/Selection.cpp  |   7 +++++++
 Userland/Applications/PixelPaint/Selection.h    |   1 +
 6 files changed, 16 insertions(+)
 create mode 100644 Base/res/icons/pixelpaint/invert-selection.png

diff --git a/Base/res/icons/pixelpaint/invert-selection.png b/Base/res/icons/pixelpaint/invert-selection.png
new file mode 100644
index 0000000000000000000000000000000000000000..d1bfe011411e6f59711901a63850b188fb0c9285
GIT binary patch
literal 165
zcmeAS@N?(olHy`uVBq!ia0y~yU=RRd7G?$phPQVgfdu#id_r6q7#KWw{@+lv`2YXE
zpP%2ep0lqR7#LVeg8YIR7#J8fPfnY~z`)?>>Eal|aXmSqfl*A{pdcZk@k5}5-Z`~%
z3T+D(D=g+v_BhhW=(9mXQqxe=xY312LSlyGgrx#J!Yj&rCMQli#K0g}!}W^8V{$mi
NP)}Dsmvv4FO#pzuFgpMM

literal 0
HcmV?d00001

diff --git a/Userland/Applications/PixelPaint/IconBag.cpp b/Userland/Applications/PixelPaint/IconBag.cpp
index c896106d30..12a1f3b65e 100644
--- a/Userland/Applications/PixelPaint/IconBag.cpp
+++ b/Userland/Applications/PixelPaint/IconBag.cpp
@@ -18,6 +18,7 @@ ErrorOr<IconBag> IconBag::try_create()
     icon_bag.close_image = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/close-tab.png"sv));
     icon_bag.edit_copy = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/edit-copy.png"sv));
     icon_bag.clear_selection = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/clear-selection.png"sv));
+    icon_bag.invert_selection = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/pixelpaint/invert-selection.png"sv));
     icon_bag.swap_colors = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/pixelpaint/swap-colors.png"sv));
     icon_bag.default_colors = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/pixelpaint/default-colors.png"sv));
     icon_bag.load_color_palette = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/pixelpaint/load-color-palette.png"sv));
diff --git a/Userland/Applications/PixelPaint/IconBag.h b/Userland/Applications/PixelPaint/IconBag.h
index 1f5d6d4e71..3fe1ae378a 100644
--- a/Userland/Applications/PixelPaint/IconBag.h
+++ b/Userland/Applications/PixelPaint/IconBag.h
@@ -19,6 +19,7 @@ struct IconBag final {
     RefPtr<Gfx::Bitmap> close_image { nullptr };
     RefPtr<Gfx::Bitmap> edit_copy { nullptr };
     RefPtr<Gfx::Bitmap> clear_selection { nullptr };
+    RefPtr<Gfx::Bitmap> invert_selection { nullptr };
     RefPtr<Gfx::Bitmap> swap_colors { nullptr };
     RefPtr<Gfx::Bitmap> default_colors { nullptr };
     RefPtr<Gfx::Bitmap> load_color_palette { nullptr };
diff --git a/Userland/Applications/PixelPaint/MainWidget.cpp b/Userland/Applications/PixelPaint/MainWidget.cpp
index 5f9c93e0eb..5897d5ce6a 100644
--- a/Userland/Applications/PixelPaint/MainWidget.cpp
+++ b/Userland/Applications/PixelPaint/MainWidget.cpp
@@ -365,6 +365,12 @@ void MainWidget::initialize_menubar(GUI::Window& window)
             VERIFY(editor);
             editor->image().selection().clear();
         }));
+    m_edit_menu->add_action(GUI::Action::create(
+        "&Invert Selection", g_icon_bag.invert_selection, [&](auto&) {
+            auto* editor = current_image_editor();
+            VERIFY(editor);
+            editor->image().selection().invert();
+        }));
 
     m_edit_menu->add_separator();
     m_edit_menu->add_action(GUI::Action::create(
diff --git a/Userland/Applications/PixelPaint/Selection.cpp b/Userland/Applications/PixelPaint/Selection.cpp
index 386ab9cbef..b936ac9420 100644
--- a/Userland/Applications/PixelPaint/Selection.cpp
+++ b/Userland/Applications/PixelPaint/Selection.cpp
@@ -22,6 +22,13 @@ void Selection::clear()
         client->selection_did_change();
 }
 
+void Selection::invert()
+{
+    auto new_mask = Mask::full(m_image.rect());
+    new_mask.subtract(m_mask);
+    m_mask = new_mask;
+}
+
 void Selection::merge(Mask const& mask, MergeMode mode)
 {
     switch (mode) {
diff --git a/Userland/Applications/PixelPaint/Selection.h b/Userland/Applications/PixelPaint/Selection.h
index c70e49954e..5d7d9669af 100644
--- a/Userland/Applications/PixelPaint/Selection.h
+++ b/Userland/Applications/PixelPaint/Selection.h
@@ -38,6 +38,7 @@ public:
 
     bool is_empty() const { return m_mask.is_null(); }
     void clear();
+    void invert();
     void merge(Mask const&, MergeMode);
     void merge(Gfx::IntRect const& rect, MergeMode mode) { merge(Mask::full(rect), mode); }
     Gfx::IntRect bounding_rect() const { return m_mask.bounding_rect(); }