public Texture(
GraphicsContext graphics,
int width,
int height)
: base(graphics)
{
this.Index = this.Graphics.AllocateTextureIndex();
this.Handle = this.Graphics.GL.GenTexture();
graphics.GL.ActiveTexture(GLContext.Texture0 + this.Index);
graphics.GL.BindTexture(GLContext.Texture2D, this.Handle);
graphics.GL.TexImage2D(
GLContext.Texture2D,
0,
(int)GLContext.Rgba8,
width,
height,
0,
GLContext.Rgba,
(int)GLContext.UnsignedByte,
null);
this.Width = width;
this.Height = height;
}
public static Texture2D LoadFromBytes(GraphicsContext graphics, byte[] bytes, int width, int height, TextureParams parameters)
{
if (graphics == null)
throw new ArgumentNullException("graphics");
if (bytes == null)
throw new ArgumentNullException("bytes");
Texture2D texture = new Texture2D(graphics);
Texture.Initialize(texture, graphics, GLContext.Texture2D, bytes, parameters);
graphics.GL.TexImage2D(
GLContext.Texture2D,
0,
(int)GLContext.Rgba8,
width,
height,
0,
GLContext.Rgba,
(int)GLContext.UnsignedByte,
bytes);
texture.Width = width;
texture.Height = height;
return texture;
}
public static Texture1D LoadFromBytes(GraphicsContext graphics, byte[] bytes, int length, TextureParams parameters)
{
if (graphics == null)
throw new ArgumentNullException("graphics");
if (bytes == null)
throw new ArgumentNullException("bytes");
Texture1D texture = new Texture1D(graphics);
Texture.Initialize(texture, graphics, GLContext.Texture1D, bytes, parameters);
graphics.GL.TexImage1D(
GLContext.Texture1D,
0,
(int)GLContext.Rgba8,
length,
0,
GLContext.Rgba,
(int)GLContext.UnsignedByte,
bytes);
texture.Length = length;
return texture;
}
public override void renderCell(GraphicsContext g, object value, CellRenderState render_state = CellRenderState.Normal)
{
base.renderCell(g, value, render_state);
if (value != null)
{
GraphicsState gs = g.Graphics.Save();
//aplikuje padding
Padding pad = this.Padding;
RectangleF area = new RectangleF(g.Graphics.ClipBounds.X + pad.Left,
g.Graphics.ClipBounds.Y + pad.Top,
g.Graphics.ClipBounds.Width - pad.Right - pad.Left,
g.Graphics.ClipBounds.Height - pad.Bottom - pad.Top);
g.Graphics.SetClip(area);
string hodnota = value.ToString();
SizeF velikost = g.Graphics.MeasureString(hodnota, g.Font); //spocitam jakou velikost zabere vykreslena hodnota
Font font;
Color color;
font = g.Font;
color = this.GetFontColor(render_state);
g.Graphics.DrawString(hodnota, font, new SolidBrush(color), g.Graphics.ClipBounds, string_format);
g.Graphics.Restore(gs);
}
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
GraphicsContext gc = new GraphicsContext();
gc.Graphics = e.Graphics;
this.RenderRow(gc, this.row);
this.RenderVerticalLines(gc);
}
public static Texture1D LoadFromFile(GraphicsContext graphics, string fileName, TextureParams parameters)
{
if (graphics == null)
throw new ArgumentNullException("graphics");
if (fileName == null)
throw new ArgumentNullException("fileName");
using (FileStream file = new FileStream(fileName, FileMode.Open, FileAccess.Read))
return LoadFromStream(graphics, file, parameters);
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
GraphicsContext gc = new GraphicsContext();
gc.Graphics = e.Graphics;
foreach (IRow r in this.Rows.GetPinnedRows())
{
this.RenderRow(gc, r);
}
this.RenderVerticalLines(gc);
}
public void Dispose(bool disposing)
{
if (this.nextContext != null)
{
this.nextContext.Dispose();
this.nextContext = null;
}
if (this.clipRegion != null)
{
this.clipRegion.Dispose();
this.clipRegion = null;
}
}
public GraphicsContainer BeginContainer()
{
GraphicsContext context = new GraphicsContext(this);
int state = 0;
int status = SafeNativeMethods.Gdip.GdipBeginContainer2(new HandleRef(this, this.NativeGraphics), out state);
if (status != 0)
{
context.Dispose();
throw SafeNativeMethods.Gdip.StatusException(status);
}
context.State = state;
this.PushContext(context);
return new GraphicsContainer(state);
}
public static Texture1D LoadFromStream(GraphicsContext graphics, Stream stream, TextureParams parameters)
{
if (graphics == null)
throw new ArgumentNullException("graphics");
if (stream == null)
throw new ArgumentNullException("stream");
using (Bitmap bitmap = (Bitmap)Bitmap.FromStream(stream))
{
byte[] bytes = BitmapHelper.GetBytes(bitmap);
return LoadFromBytes(graphics, bytes, bitmap.Width * bitmap.Height, parameters);
}
}
public GraphicsContainer BeginContainer(RectangleF dstrect, RectangleF srcrect, GraphicsUnit unit)
{
GraphicsContext context = new GraphicsContext(this);
int state = 0;
GPRECTF dstRect = dstrect.ToGPRECTF();
GPRECTF srcRect = srcrect.ToGPRECTF();
int status = SafeNativeMethods.Gdip.GdipBeginContainer(new HandleRef(this, this.NativeGraphics), ref dstRect, ref srcRect, (int) unit, out state);
if (status != 0)
{
context.Dispose();
throw SafeNativeMethods.Gdip.StatusException(status);
}
context.State = state;
this.PushContext(context);
return new GraphicsContainer(state);
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
if (this.Columns == null || this.Rows == null) return;
//vykresli bunky
GraphicsContext gc = new GraphicsContext();
gc.Graphics = e.Graphics;
int y = 0;
for (int i = this.StartIndex; i < this.Rows.Count && y < this.ClientSize.Height; i++)
{
IRow radek = this.Rows[i];
y += radek.Height + 1;
this.RenderRow(gc, radek);
}
gc.Graphics.ResetTransform();
RenderVerticalLines(gc);
}
private void drawText(string text, GraphicsContext gc, Brush brush)
{
gc.Graphics.DrawString(text, TypingFont, brush, gc.DocumentArea, TextStringFormat);
}
private void drawShadowText(GraphicsContext gc)
{
string shadowText = ImportedText.Expanded.Substring(0, TypedText.ExpandedLength);
if (TypedText.Length > 0)
{
string importedText = ImportedText.Expanded.ToString();
int lastIndex = TypedText.ExpandedLength - 1;
int lineJumpIndex = findLineJump(importedText, lastIndex, gc);
if (lineJumpIndex < lastIndex)
shadowText = insertSpacesAfterJump(importedText, shadowText,
lineJumpIndex, lastIndex,
gc);
}
drawText(shadowText, gc, Theme.TypedTextColor);
}
private void drawImportedText(GraphicsContext gc)
{
drawText(ImportedText.Expanded.ToString(), gc, Theme.ImportedTextColor);
}
private void drawErrorChars(GraphicsContext gc)
{
RectangleF[] errorCharAreas = getCharAreas(ImportedText.Expanded.ToString(),
TypedText.ExpandedErrorsUncorrected,
gc);
for (int i = 0; i < TypedText.ErrorsUncorrected.Count; i++)
{
gc.Graphics.FillRectangle(Theme.ErrorBackColor, fracOffsetCharArea(errorCharAreas[i], 0, ErrorBackgroundVOffset));
drawChar(TypedText[TypedText.ErrorsUncorrected[i]],
gc, Theme.ErrorForeColor,
errorCharAreas[i]);
}
}
private void drawDebugMessage(string message, GraphicsContext gc, bool atBottom)
{
float y = atBottom ? (gc.TypingArea.Y + gc.TypingArea.Height - 16) : gc.TypingArea.Y;
RectangleF position = new RectangleF(gc.TypingArea.X, y,
gc.TypingArea.Width, 16);
using (Font font = new Font("Courier New", 10))
gc.Graphics.DrawString(message, font, Brushes.Red, position, TextStringFormat);
}
private RectangleF[] getCharAreas(string text, int[] charIndexes, GraphicsContext gc)
{
return getCharAreas(text, charIndexes, gc.Graphics, gc.DocumentArea);
}
protected override void OnPaint(PaintEventArgs pe)
{
base.OnPaint (pe);
var focused = GetFocusedExpr ();
if (_visual != null)
{
pe.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
var ctx = new GraphicsContext (pe.Graphics, focused, VisualStyle.Default);
GraphicsContext.HitRects = StrictList<HitRect>.Empty;
_visual.Render (ctx, _size);
_hitRects = GraphicsContext.HitRects;
}
}
private int findLineJump(string text, int lastIndex, GraphicsContext gc)
{
RectangleF importedCharArea, shadowCharArea;
int lineJumpIndex = lastIndex;
while (lineJumpIndex >= 0)
{
importedCharArea = getCharArea(text, lineJumpIndex, gc);
shadowCharArea = getCharArea(text.Substring(0, lineJumpIndex + 1), lineJumpIndex, gc);
if (importedCharArea.IsEmpty || shadowCharArea.IsEmpty)
return lastIndex;
if (shadowCharArea.Y == importedCharArea.Y)
return lineJumpIndex;
lineJumpIndex--;
}
return lastIndex;
}
/// <summary>
/// standardni vykresleni hlavicky sloupce
/// </summary>
/// <param name="g"></param>
/// <param name="context"></param>
public void renderHead(GraphicsContext g, ColumnContext context)
{
g.Graphics.Clear(Color.DarkGray);
g.Graphics.DrawString(this.HeadText, g.Font, Brushes.Black, new PointF(3, 3));
}
/// <summary>
/// vykresli pozadi pod bunkou
/// </summary>
/// <param name="g"></param>
/// <param name="render_state"></param>
public void renderCellBackground(GraphicsContext g, CellRenderState render_state = CellRenderState.Normal)
{
}
public virtual void renderCell(GraphicsContext g, object value, CellRenderState render_state = CellRenderState.Normal)
{
if (render_state == CellRenderState.Selected)
{
Rectangle r = new Rectangle(0, 0, (int)g.Graphics.ClipBounds.Width, (int)g.Graphics.ClipBounds.Height);
g.Graphics.FillRectangle(SystemBrushes.Highlight, r);
}
}
public void Run()
{
var renderer = (Platform.GetExecutingPlatform() == PlatformType.Windows)
? Renderer.DirectX
: Renderer.OpenGL;
if (Environment.CommandLine.Contains("-opengl"))
{
renderer = Renderer.OpenGL;
}
GraphicsContext = GraphicsContextLoader.Create(renderer, _windowAttributes);
GraphicsContext.MouseMove += OnMouseMove;
GraphicsContext.MouseDown += OnMouseDown;
GraphicsContext.KeyDown += HandleDebugKeyDown;
GraphicsContext.KeyUp += OnKeyUp;
GraphicsContext.KeyPress += OnKeyPress;
GraphicsContext.MouseUp += OnMouseUp;
GraphicsContext.MouseWheel += OnMouseWheel;
GraphicsContext.RenderBegin += OnRenderBegin;
GraphicsContext.Render += OnRender;
GraphicsContext.Resize += OnResize;
// todo: form closed?
/*
_form.Closed += (o, args) => {
isFormClosed = true;
OnFormClosed();
};
*/
OnInitialize();
OnResourceLoad();
GraphicsContext.Run();
OnResourceUnload();
}
private RectangleF getCharArea(string text, int charIndex, GraphicsContext gc)
{
return getCharArea(text, charIndex, gc.Graphics, gc.DocumentArea);
}
private void drawClipMargins(GraphicsContext gc)
{
gc.Graphics.FillRectangle(Brushes.White, new RectangleF()
{
X = 0,
Y = 0,
Width = gc.ControlBounds.Width,
Height = gc.TypingArea.Y + 1,
});
gc.Graphics.FillRectangle(Brushes.White, new RectangleF()
{
X = 0,
Y = 0,
Width = gc.TypingArea.X,
Height = gc.ControlBounds.Height,
});
}
private string insertSpacesAfterJump(string text, string shadowText, int lineJumpIndex, int lastIndex, GraphicsContext gc)
{
RectangleF importedCharArea = getCharArea(text, lastIndex, gc);
RectangleF shadowCharArea;
int spaces = 0;
do
{
shadowText = shadowText.Insert(lineJumpIndex + 1, " ");
spaces++;
shadowCharArea = getCharArea(shadowText, lastIndex + spaces, gc);
}
while (shadowCharArea.Y < importedCharArea.Y);
return shadowText;
}
private void drawCursor(GraphicsContext gc)
{
CancelEventArgs e = new CancelEventArgs(false);
OnDrawingCursor(e);
if (!e.Cancel)
{
RectangleF cursorArea = getCharArea(ImportedText.Expanded.ToString(),
TypedText.ExpandedLength, gc);
cursorArea = fracOffsetCharArea(cursorArea, 0,
CursorAsVerticalBar ? BarCursorVOffset : CharCursorVOffset);
if (CursorAsVerticalBar)
{
int barCursorWidth = Math.Max(1, 1 + (int)Math.Round(gc.CellSize.Width * BarCursorRelativeWidth, 0));
gc.Graphics.FillRectangle(Theme.CursorColor, new RectangleF()
{
X = cursorArea.X - (0.125f * cursorArea.Width) - (0.5f * barCursorWidth),
Y = cursorArea.Y,
Width = barCursorWidth,
Height = cursorArea.Height,
});
}
else
drawChar(CharCursorChar, gc, Theme.CursorColor, cursorArea);
}
}
private void drawChar(char ch, GraphicsContext gc, Brush brush, RectangleF charArea)
{
if (ch == '\n')
ch = pilcrow;
gc.Graphics.DrawString(ch.ToString(), TypingFont, brush, charArea, SingleCharStringFormat);
}
private void drawDebugMessage(string message, GraphicsContext gc)
{
drawDebugMessage(message, gc, true);
}