using System; using System.Collections.Generic; using System.Drawing; using System.Windows.Forms; using System.IO; using BizHawk.Emulation.Common; namespace BizHawk.Client.Common { public abstract class GUIDrawPluginLibrary { [RequiredService] protected IEmulator Emulator { get; set; } public GUIDrawPluginLibrary() { } public bool HasGUISurface = false; protected Color _defaultForeground = Color.White; protected Color? _defaultBackground; protected Color? _defaultTextBackground = Color.FromArgb(128, 0, 0, 0); protected int _defaultPixelFont = 1; // gens protected Padding _padding = new Padding(0); #region Gui API public virtual void Dispose() { foreach (var brush in _solidBrushes.Values) { brush.Dispose(); } foreach (var brush in _pens.Values) { brush.Dispose(); } } public abstract void DrawNew(string name, bool? clear = true); public abstract void DrawFinish(); #endregion #region Helpers protected readonly Dictionary _imageCache = new Dictionary(); protected readonly Dictionary _solidBrushes = new Dictionary(); protected readonly Dictionary _pens = new Dictionary(); protected SolidBrush GetBrush(Color color) { SolidBrush b; if (!_solidBrushes.TryGetValue(color, out b)) { b = new SolidBrush(color); _solidBrushes[color] = b; } return b; } protected Pen GetPen(Color color) { Pen p; if (!_pens.TryGetValue(color, out p)) { p = new Pen(color); _pens[color] = p; } return p; } protected abstract Graphics GetGraphics(); public void SetPadding(int all) { _padding = new Padding(all); } public void SetPadding(int x, int y) { _padding = new Padding(x / 2, y / 2, x / 2 + x & 1, y / 2 + y & 1); } public void SetPadding(int l,int t,int r, int b) { _padding = new Padding(l, t, r, b); } public Padding GetPadding() { return _padding; } #endregion public abstract void AddMessage(string message); public abstract void ClearGraphics(); public abstract void ClearText(); public void SetDefaultForegroundColor(Color color) { _defaultForeground = color; } public void SetDefaultBackgroundColor(Color color) { _defaultBackground = color; } public void SetDefaultTextBackground(Color color) { _defaultTextBackground = color; } public void SetDefaultPixelFont(string fontfamily) { switch (fontfamily) { case "fceux": case "0": _defaultPixelFont = 0; break; case "gens": case "1": _defaultPixelFont = 1; break; default: Console.WriteLine($"Unable to find font family: {fontfamily}"); return; } } public void DrawBezier(Point p1, Point p2, Point p3, Point p4, Color? color = null) { using (var g = GetGraphics()) { try { g.DrawBezier(GetPen(color ?? _defaultForeground), p1, p2, p3, p4); } catch (Exception) { return; } } } public void DrawBeziers(Point[] points, Color? color = null) { using (var g = GetGraphics()) { try { g.DrawBeziers(GetPen(color ?? _defaultForeground), points); } catch (Exception) { return; } } } public void DrawBox(int x, int y, int x2, int y2, Color? line = null, Color? background = null) { using (var g = GetGraphics()) { try { 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; } g.DrawRectangle(GetPen(line ?? _defaultForeground), x, y, x2, y2); var bg = background ?? _defaultBackground; if (bg.HasValue) { g.FillRectangle(GetBrush(bg.Value), x + 1, y + 1, x2 - 1, y2 - 1); } } catch (Exception) { // need to stop the script from here return; } } } public void DrawEllipse(int x, int y, int width, int height, Color? line = null, Color? background = null) { using (var g = GetGraphics()) { try { var bg = background ?? _defaultBackground; if (bg.HasValue) { var brush = GetBrush(bg.Value); g.FillEllipse(brush, x, y, width, height); } g.DrawEllipse(GetPen(line ?? _defaultForeground), x, y, width, height); } catch (Exception) { // need to stop the script from here return; } } } public void DrawIcon(string path, int x, int y, int? width = null, int? height = null) { using (var g = GetGraphics()) { try { if (!File.Exists(path)) { AddMessage("File not found: " + path); return; } Icon icon; if (width.HasValue && height.HasValue) { icon = new Icon(path, width.Value, height.Value); } else { icon = new Icon(path); } g.DrawIcon(icon, x, y); } catch (Exception) { return; } } } public void DrawImage(string path, int x, int y, int? width = null, int? height = null, bool cache = true) { if (!File.Exists(path)) { Console.WriteLine("File not found: " + path); return; } using (var g = GetGraphics()) { Image img; if (_imageCache.ContainsKey(path)) { img = _imageCache[path]; } else { img = Image.FromFile(path); if (cache) { _imageCache.Add(path, img); } } g.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) { if (!File.Exists(path)) { Console.WriteLine("File not found: " + path); return; } using (var g = GetGraphics()) { 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); g.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) { using (var g = GetGraphics()) { g.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 ?? _defaultForeground); DrawLine(x, y + size, x, y - size, color ?? _defaultForeground); } public void DrawPie(int x, int y, int width, int height, int startangle, int sweepangle, Color? line = null, Color? background = null) { using (var g = GetGraphics()) { var bg = background ?? _defaultBackground; if (bg.HasValue) { var brush = GetBrush(bg.Value); g.FillPie(brush, x, y, width, height, startangle, sweepangle); } g.DrawPie(GetPen(line ?? _defaultForeground), x + 1, y + 1, width - 1, height - 1, startangle, sweepangle); } } public void DrawPixel(int x, int y, Color? color = null) { using (var g = GetGraphics()) { try { g.DrawLine(GetPen(color ?? _defaultForeground), x, y, x + 0.1F, y); } catch (Exception) { return; } } } public void DrawPolygon(Point[] points, Color? line = null, Color? background = null) { using (var g = GetGraphics()) { try { g.DrawPolygon(GetPen(line ?? _defaultForeground), points); var bg = background ?? _defaultBackground; if (bg.HasValue) { g.FillPolygon(GetBrush(bg.Value), points); } } catch (Exception) { return; } } } public void DrawRectangle(int x, int y, int width, int height, Color? line = null, Color? background = null) { using (var g = GetGraphics()) { g.DrawRectangle(GetPen(line ?? _defaultForeground), x, y, width, height); var bg = background ?? _defaultBackground; if (bg.HasValue) { g.FillRectangle(GetBrush(bg.Value), x + 1, y + 1, width - 1, height - 1); } } } public void DrawString(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) { using (var g = GetGraphics()) { try { 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; } } // The text isn't written out using GenericTypographic, so measuring it using GenericTypographic seemed to make it worse. // And writing it out with GenericTypographic just made it uglier. :p var f = new StringFormat(StringFormat.GenericDefault); var font = new Font(family, fontsize ?? 12, fstyle, GraphicsUnit.Pixel); Size sizeOfText = g.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; break; } } if (vertalign != null) { switch (vertalign.ToLower()) { default: case "bottom": break; case "middle": y -= sizeOfText.Height / 2; break; case "top": y -= sizeOfText.Height; break; } } var bg = backcolor ?? _defaultBackground; if (bg.HasValue) { for (var xd = -1; xd <= 1; xd++) { for (var yd = -1; yd <= 1; yd++) { g.DrawString(message, font, GetBrush(bg.Value), x+xd, y+yd); } } } g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SingleBitPerPixelGridFit; g.DrawString(message, font, GetBrush(forecolor ?? _defaultForeground), x, y); } catch (Exception) { return; } } } public abstract void DrawText(int x, int y, string message, Color? forecolor = null, Color? backcolor = null, string fontfamily = null); public abstract void Text(int x, int y, string message, Color? forecolor = null, string anchor = null); } }