1 files changed, 141 insertions, 0 deletions
diff --git a/plugingui/drumkitimage.cc b/plugingui/drumkitimage.cc
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+++ b/plugingui/drumkitimage.cc
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+/* -*- Mode: c++ -*- */
+/***************************************************************************
+ *            drumkitimage.cc
+ *
+ *  Sun Mar  8 18:30:17 CET 2020
+ *  Copyright 2020 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "drumkitimage.h"
+
+#include "painter.h"
+#include <cpp11fix.h>
+
+namespace GUI
+{
+
+DrumKitImage::DrumKitImage(Widget* parent)
+	: Widget(parent)
+{
+}
+
+void DrumKitImage::setImages(const std::string& imagefile,
+                             const std::string& overlayfile)
+{
+	overlay.setOverlay(overlayfile);
+	image = std::make_unique<Image>(imagefile);
+	redraw();
+}
+
+void DrumKitImage::clearImages()
+{
+	overlay.clearOverlay();
+	image.reset();
+	redraw();
+}
+
+void DrumKitImage::resize(std::size_t width, std::size_t height)
+{
+	Widget::resize(width, height);
+	overlay.resize(width, height);
+}
+
+void DrumKitImage::buttonEvent(ButtonEvent* buttonEvent)
+{
+}
+
+void DrumKitImage::scrollEvent(ScrollEvent* scrollEvent)
+{
+}
+
+void DrumKitImage::mouseMoveEvent(MouseMoveEvent* mouseMoveEvent)
+{
+	Widget::mouseMoveEvent(mouseMoveEvent);
+	//redraw();
+}
+
+void DrumKitImage::mouseLeaveEvent()
+{
+}
+
+void DrumKitImage::repaintEvent(RepaintEvent* repaintEvent)
+{
+	Painter painter(*this);
+	painter.clear();
+
+	auto drumkit_scale = (float)width() / image->width();
+
+	if(image)
+	{
+		painter.drawImageStretched(0, 0, *image,
+		                           image->width() * drumkit_scale,
+		                           image->height() * drumkit_scale,
+		                           Filter::Linear);
+	}
+}
+
+DrumKitImage::Overlay::Overlay(Widget* parent)
+	: Widget(parent)
+{
+}
+
+void DrumKitImage::Overlay::setOverlay(const std::string& overlayfile)
+{
+	overlay = std::make_unique<Image>(overlayfile);
+	redraw();
+}
+
+void DrumKitImage::Overlay::clearOverlay()
+{
+	overlay.reset();
+	redraw();
+}
+
+static auto has_highlight_colour = false;
+
+void DrumKitImage::Overlay::buttonEvent(ButtonEvent* buttonEvent)
+{
+	has_highlight_colour = !has_highlight_colour;
+	redraw();
+}
+
+void DrumKitImage::Overlay::mouseMoveEvent(MouseMoveEvent* mouseMoveEvent)
+{
+}
+
+void DrumKitImage::Overlay::repaintEvent(RepaintEvent* repaintEvent)
+{
+	Painter painter(*this);
+	painter.clear();
+
+	auto drumkit_scale = (float)width() / overlay->width();
+	auto colour = Colour(0.0f, 0, 0, .8f);
+
+	if(overlay && has_highlight_colour)
+	{
+		painter.drawRestrictedImageStretched(0, 0, colour, *overlay,
+		                                     overlay->width() * drumkit_scale,
+		                                     overlay->height() * drumkit_scale,
+		                                     Filter::Nearest);
+	}
+}
+
+} // GUI::