69 lines
2.2 KiB
C#
69 lines
2.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Drawing;
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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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namespace Mesen.GUI.Debugger.PpuViewer
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{
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public class ctrlImageViewer : Control
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{
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private Image _image = null;
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private Rectangle _selection = Rectangle.Empty;
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private int _selectionWrapPosition = 0;
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public ctrlImageViewer()
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{
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this.DoubleBuffered = true;
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this.ResizeRedraw = true;
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}
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public Image Image
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{
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get { return _image; }
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set { _image = value; this.Invalidate(); }
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}
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public Rectangle Selection
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{
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get { return _selection; }
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set { _selection = value; this.Invalidate(); }
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}
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public int SelectionWrapPosition
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{
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get { return _selectionWrapPosition; }
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set { _selectionWrapPosition = value; this.Invalidate(); }
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}
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public int ImageScale { get; set; } = 1;
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
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e.Graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
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e.Graphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.Half;
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e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
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e.Graphics.ScaleTransform(this.ImageScale, this.ImageScale);
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if(this.Image != null) {
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e.Graphics.DrawImage(this.Image, 0, 0);
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}
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e.Graphics.ResetTransform();
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if(_selection != Rectangle.Empty) {
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int scale = this.ImageScale;
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e.Graphics.DrawRectangle(Pens.White, _selection.Left * scale, _selection.Top * scale, _selection.Width * scale + 0.5f, _selection.Height * scale + 0.5f);
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e.Graphics.DrawRectangle(Pens.Gray, _selection.Left * scale - 1, _selection.Top * scale - 1, _selection.Width * scale + 2.5f, _selection.Height * scale + 2.5f);
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if(_selectionWrapPosition > 0 && _selection.Top + _selection.Height > _selectionWrapPosition) {
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e.Graphics.DrawRectangle(Pens.White, _selection.Left * scale, _selection.Top * scale - _selectionWrapPosition * scale, _selection.Width * scale + 0.5f, _selection.Height * scale + 0.5f);
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e.Graphics.DrawRectangle(Pens.Gray, _selection.Left * scale - 1, _selection.Top * scale - 1 - _selectionWrapPosition * scale, _selection.Width * scale + 2.5f, _selection.Height * scale + 2.5f);
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}
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}
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}
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}
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}
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