From 246615f946a8063bcd68ba7c008e3cd0d3e6b615 Mon Sep 17 00:00:00 2001
From: Aqua-sama <aqua@iserlohn-fortress.net>
Date: Sun, 1 Nov 2020 21:02:13 +0200
Subject: Add original size and fit buttons

---
 src/mainwindow.cpp | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

(limited to 'src/mainwindow.cpp')

diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 9eba572..839b2c3 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -13,17 +13,26 @@ MainWindow::MainWindow(const QStringList &filePaths, QWidget *parent)
   if (!filePaths.isEmpty()) {
     current.load(filePaths.first());
     setWindowTitle(title_format.arg(filePaths.first()));
-    ui->label->setPixmap(current);
+    resizePixmap();
   }
+
+  connect(ui->original_toolButton, &QToolButton::clicked, this,
+          [this]() { ui->label->setPixmap(current); });
+
+  connect(ui->fit_toolButton, &QToolButton::clicked, this,
+          [this]() { resizePixmap(); });
 }
 
 MainWindow::~MainWindow() { delete ui; }
 
 void MainWindow::resizeEvent(QResizeEvent *event) {
-  const auto width = ui->label->width();
-  const auto height = ui->label->height();
-
-  ui->label->setPixmap(current.scaled(width, height, Qt::KeepAspectRatio));
-
+  resizePixmap();
   QMainWindow::resizeEvent(event);
 }
+
+void MainWindow::resizePixmap() {
+  const auto size =
+      ui->scrollArea->viewport()->size().boundedTo(current.size());
+  ui->label->setPixmap(
+      current.scaled(size, Qt::KeepAspectRatio, Qt::SmoothTransformation));
+}
-- 
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