75 lines
2.4 KiB
C#
75 lines
2.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using Mesen.GUI.Controls;
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namespace Mesen.GUI.Debugger.PpuViewer
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{
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public partial class ctrlImagePanel : BaseControl
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{
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private int _scale = 1;
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private Size _imageSize;
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public Rectangle Selection { get { return ctrlImageViewer.Selection; } set { ctrlImageViewer.Selection = value; } }
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public Size ImageSize { get { return _imageSize; } set { _imageSize = value; UpdateMapSize(); } }
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public Image Image { get { return ctrlImageViewer.Image; } set { ctrlImageViewer.Image = value; } }
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public int ImageScale { get { return _scale; } set { _scale = value; } }
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public new event MouseEventHandler MouseClick { add { ctrlImageViewer.MouseClick += value; } remove { ctrlImageViewer.MouseClick -= value; } }
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public ctrlImagePanel()
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{
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InitializeComponent();
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if(DesignMode) {
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return;
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}
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ctrlPanel.OnZoom += (scaleDelta) => {
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double hori = (double)ctrlPanel.HorizontalScroll.Value / _scale + (double)ctrlPanel.Width / 2 / _scale;
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double vert = (double)ctrlPanel.VerticalScroll.Value / _scale + (double)ctrlPanel.Height / 2 / _scale;
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_scale = Math.Min(16, Math.Max(1, _scale + scaleDelta));
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UpdateMapSize();
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ctrlPanel.HorizontalScroll.Value = Math.Max(0, Math.Min((int)(hori * _scale) - ctrlPanel.Width / 2, ctrlPanel.HorizontalScroll.Maximum));
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ctrlPanel.HorizontalScroll.Value = Math.Max(0, Math.Min((int)(hori * _scale) - ctrlPanel.Width / 2, ctrlPanel.HorizontalScroll.Maximum));
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ctrlPanel.VerticalScroll.Value = Math.Max(0, Math.Min((int)(vert * _scale) - ctrlPanel.Height / 2, ctrlPanel.VerticalScroll.Maximum));
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ctrlPanel.VerticalScroll.Value = Math.Max(0, Math.Min((int)(vert * _scale) - ctrlPanel.Height / 2, ctrlPanel.VerticalScroll.Maximum));
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};
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}
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private void UpdateMapSize()
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{
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ctrlImageViewer.Width = ImageSize.Width * _scale;
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ctrlImageViewer.Height = ImageSize.Height * _scale;
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ctrlImageViewer.ImageScale = _scale;
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ctrlImageViewer.Invalidate();
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}
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protected override void OnInvalidated(InvalidateEventArgs e)
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{
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base.OnInvalidated(e);
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ctrlImageViewer.Invalidate();
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}
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public void ZoomIn()
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{
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_scale = Math.Min(16, _scale + 1);
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UpdateMapSize();
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}
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public void ZoomOut()
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{
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_scale = Math.Max(1, _scale - 1);
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UpdateMapSize();
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}
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}
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}
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