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Create LuaPictureBox component

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Trivial-Man 2017-06-20 01:12:13 -06:00 committed by GitHub
parent 0fc3266880
commit 28acb602ae
1 changed files with 379 additions and 0 deletions
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BizHawk.Client.EmuHawk/tools/Lua/LuaPictureBox.cs Normal file
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using System;
using System.Drawing;
using System.Windows.Forms;
using LuaInterface;
using System.Collections.Generic;
using System.IO;
namespace BizHawk.Client.EmuHawk
{
public class LuaPictureBox : PictureBox
{
#region Helpers
private readonly Dictionary<string, Image> _imageCache = new Dictionary<string, Image>();
private readonly Dictionary<Color, SolidBrush> _solidBrushes = new Dictionary<Color, SolidBrush>();
private readonly Dictionary<Color, Pen> _pens = new Dictionary<Color, Pen>();
private SolidBrush GetBrush(Color color)
{
SolidBrush b;
if (!_solidBrushes.TryGetValue(color, out b))
{
b = new SolidBrush(color);
_solidBrushes[color] = b;
}
return b;
}
private Pen GetPen(Color color)
{
Pen p;
if (!_pens.TryGetValue(color, out p))
{
p = new Pen(color);
_pens[color] = p;
}
return p;
}
#endregion
private Color _defaultForeground = Color.Black;
private Color? _defaultBackground;
private Color? _defaultTextBackground = Color.FromArgb(128, 0, 0, 0);
public LuaPictureBox()
{
Image = new Bitmap(Width, Height);
}
public void LuaResize(int width, int height)
{
Width = width;
Height = height;
Image = new Bitmap(width, height);
}
public void Clear(Color color)
{
var boxBackground = Graphics.FromImage(Image);
boxBackground.Clear(color);
}
public void SetDefaultForegroundColor(Color color)
{
_defaultForeground = color;
}
public void SetDefaultBackgroundColor(Color color)
{
_defaultBackground = color;
}
public void SetDefaultTextBackground(Color color)
{
_defaultTextBackground = color;
}
public void DrawBezier(LuaTable points, Color color)
{
var pointsArr = new Point[4];
var i = 0;
foreach (LuaTable point in points.Values)
{
pointsArr[i] = new Point((int)(double)(point[1]), (int)(double)(point[2]));
i++;
if (i >= 4)
{
break;
}
}
var boxBackground = Graphics.FromImage(Image);
boxBackground.DrawBezier(GetPen(color), pointsArr[0], pointsArr[1], pointsArr[2], pointsArr[3]);
}
public void DrawBox(int x, int y, int x2, int y2, Color? line = null, Color? background = null)
{
if (x < x2)
{
x2 = Math.Abs(x - x2);
}
else
{
x2 = x - x2;
x -= x2;
}
if (y < y2)
{
y2 = Math.Abs(y - y2);
}
else
{
y2 = y - y2;
y -= y2;
}
var boxBackground = Graphics.FromImage(Image);
boxBackground.DrawRectangle(GetPen(line ?? _defaultForeground), x, y, x2, y2);
var bg = background ?? _defaultBackground;
if (bg.HasValue)
{
boxBackground = Graphics.FromImage(Image);
boxBackground.FillRectangle(GetBrush(bg.Value), x + 1, y + 1, x2 - 1, y2 - 1);
}
}
public void DrawEllipse(int x, int y, int width, int height, Color? line = null, Color? background = null)
{
var bg = background ?? _defaultBackground;
var boxBackground = Graphics.FromImage(Image);
if (bg.HasValue)
{
var brush = GetBrush(bg.Value);
boxBackground.FillEllipse(brush, x, y, width, height);
boxBackground = Graphics.FromImage(Image);
}
boxBackground.DrawEllipse(GetPen(line ?? _defaultForeground), x, y, width, height);
}
public void DrawIcon(string path, int x, int y, int? width = null, int? height = null)
{
Icon icon;
if (width.HasValue && height.HasValue)
{
icon = new Icon(path, width.Value, height.Value);
}
else
{
icon = new Icon(path);
}
var boxBackground = Graphics.FromImage(Image);
boxBackground.DrawIcon(icon, x, y);
}
public void DrawImage(string path, int x, int y, int? width = null, int? height = null, bool cache = true)
{
Image img;
if (_imageCache.ContainsKey(path))
{
img = _imageCache[path];
}
else
{
img = Image.FromFile(path);
if (cache)
{
_imageCache.Add(path, img);
}
}
var boxBackground = Graphics.FromImage(Image);
boxBackground.DrawImage(img, x, y, width ?? img.Width, height ?? img.Height);
}
public void ClearImageCache()
{
foreach (var image in _imageCache)
{
image.Value.Dispose();
}
_imageCache.Clear();
}
public void DrawImageRegion(string path, int source_x, int source_y, int source_width, int source_height, int dest_x, int dest_y, int? dest_width = null, int? dest_height = null)
{
Image img;
if (_imageCache.ContainsKey(path))
{
img = _imageCache[path];
}
else
{
img = Image.FromFile(path);
_imageCache.Add(path, img);
}
var destRect = new Rectangle(dest_x, dest_y, dest_width ?? source_width, dest_height ?? source_height);
var boxBackground = Graphics.FromImage(Image);
boxBackground.DrawImage(img, destRect, source_x, source_y, source_width, source_height, GraphicsUnit.Pixel);
}
public void DrawLine(int x1, int y1, int x2, int y2, Color? color = null)
{
var boxBackground = Graphics.FromImage(Image);
boxBackground.DrawLine(GetPen(color ?? _defaultForeground), x1, y1, x2, y2);
}
public void DrawAxis(int x, int y, int size, Color? color = null)
{
DrawLine(x + size, y, x - size, y, color);
DrawLine(x, y + size, x, y - size, color);
}
public void DrawArc(int x, int y, int width, int height, int startangle, int sweepangle, Color? line = null)
{
var boxBackground = Graphics.FromImage(Image);
boxBackground.DrawArc(GetPen(line ?? _defaultForeground), x, y, width, height, startangle, sweepangle);
}
public void DrawPie(
int x,
int y,
int width,
int height,
int startangle,
int sweepangle,
Color? line = null,
Color? background = null)
{
var bg = background ?? _defaultBackground;
var boxBackground = Graphics.FromImage(Image);
if (bg.HasValue)
{
var brush = GetBrush(bg.Value);
boxBackground.FillPie(brush, x, y, width, height, startangle, sweepangle);
boxBackground = Graphics.FromImage(Image);
}
boxBackground.DrawPie(GetPen(line ?? _defaultForeground), x + 1, y + 1, width - 1, height - 1, startangle, sweepangle);
}
public void DrawPixel(int x, int y, Color? color = null)
{
var boxBackground = Graphics.FromImage(Image);
boxBackground.DrawLine(GetPen(color ?? _defaultForeground), x, y, x + 0.1F, y);
}
public void DrawPolygon(LuaTable points, Color? line = null, Color? background = null)
{
var pointsArr = new Point[points.Values.Count];
var i = 0;
foreach (LuaTable point in points.Values)
{
pointsArr[i] = new Point((int)(double)(point[1]), (int)(double)(point[2]));
i++;
}
var boxBackground = Graphics.FromImage(Image);
boxBackground.DrawPolygon(GetPen(line ?? _defaultForeground), pointsArr);
var bg = background ?? _defaultBackground;
if (bg.HasValue)
{
boxBackground = Graphics.FromImage(Image);
boxBackground.FillPolygon(GetBrush(bg.Value), pointsArr);
}
}
public void DrawRectangle(int x, int y, int width, int height, Color? line = null, Color? background = null)
{
var bg = background ?? _defaultBackground;
var boxBackground = Graphics.FromImage(Image);
if (bg.HasValue)
{
boxBackground.FillRectangle(GetBrush(bg.Value), x, y, width, height);
boxBackground = Graphics.FromImage(Image);
}
boxBackground.DrawRectangle(GetPen(line ?? _defaultForeground), x, y, width, height);
}
public void DrawText(
int x,
int y,
string message,
Color? forecolor = null,
Color? backcolor = null,
int? fontsize = null,
string fontfamily = null,
string fontstyle = null,
string horizalign = null,
string vertalign = null)
{
var family = FontFamily.GenericMonospace;
if (fontfamily != null)
{
family = new FontFamily(fontfamily);
}
var fstyle = FontStyle.Regular;
if (fontstyle != null)
{
switch (fontstyle.ToLower())
{
default:
case "regular":
break;
case "bold":
fstyle = FontStyle.Bold;
break;
case "italic":
fstyle = FontStyle.Italic;
break;
case "strikethrough":
fstyle = FontStyle.Strikeout;
break;
case "underline":
fstyle = FontStyle.Underline;
break;
}
}
var f = new StringFormat(StringFormat.GenericDefault);
var font = new Font(family, fontsize ?? 12, fstyle, GraphicsUnit.Pixel);
var boxBackground = Graphics.FromImage(Image);
Size sizeOfText = boxBackground.MeasureString(message, font, 0, f).ToSize();
if (horizalign != null)
{
switch (horizalign.ToLower())
{
default:
case "left":
break;
case "center":
x -= sizeOfText.Width / 2;
break;
case "right":
x -= sizeOfText.Width / 2;
break;
}
}
if (vertalign != null)
{
switch (vertalign.ToLower())
{
default:
case "bottom":
break;
case "middle":
y -= sizeOfText.Height / 2;
break;
case "top":
y -= sizeOfText.Height;
break;
}
}
Rectangle rect = new Rectangle(new Point(x, y), sizeOfText);
boxBackground = Graphics.FromImage(Image);
boxBackground.FillRectangle(GetBrush(backcolor ?? _defaultTextBackground.Value), rect);
boxBackground = Graphics.FromImage(Image);
boxBackground.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixelGridFit;
boxBackground = Graphics.FromImage(Image);
boxBackground.DrawString(message, font, new SolidBrush(forecolor ?? Color.Black), x, y);
}
}
}