private void ScTextView_MouseDown(object sender, ScMouseEventArgs e)
{
metricsList = null;
Focus();
hitTestMetrics[0] = CurrentTextLayout.HitTestPoint(
(float)e.Location.X,
(float)e.Location.Y,
out isTrailingHit[0],
out isInside[0]);
hitTestMetrics[1] = hitTestMetrics[0];
isInside[1] = isInside[0];
isTrailingHit[1] = isTrailingHit[0];
cursorIdx = 0;
int x = (int)Math.Round(hitTestMetrics[cursorIdx].Left);
int y = (int)Math.Round(hitTestMetrics[cursorIdx].Top);
SetImeWindowsPos(x, y);
StopAnim();
StartAnim();
Refresh();
}
/// <summary>
/// Updates the TextFormat and TextLayout.
/// </summary>
private void UpdateTextFormatAndLayout()
{
try
{
if (CurrentTextFormat != null)
{
CurrentTextFormat.Dispose();
CurrentTextFormat = null;
}
if (CurrentTextLayout != null)
{
CurrentTextLayout.Dispose();
CurrentTextLayout = null;
}
FontText = "SharpDX - This font was loaded from a resource";
// Initialize a TextFormat
CurrentTextFormat = new TextFormat(FactoryDWrite, FontFamilyName, CurrentFontCollection, FontWeight.Normal, FontStyle.Normal, FontStretch.Normal, 64);
CurrentTextFormat.TextAlignment = TextAlignment.Center;
CurrentTextFormat.ParagraphAlignment = ParagraphAlignment.Center;
CurrentTextLayout = new TextLayout(FactoryDWrite, FontText, CurrentTextFormat, renderControl.ClientSize.Width, renderControl.ClientSize.Height);
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// Updates the size of the font.
/// </summary>
private void UpdateFontSize()
{
try
{
CurrentTextLayout.SetFontSize(FontSize, CurrentTextRange);
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// Updates the underline.
/// </summary>
private void UpdateUnderline()
{
try
{
CurrentTextLayout.SetUnderline(FontIsUnderline, CurrentTextRange);
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// Updates the italic.
/// </summary>
private void UpdateItalic()
{
try
{
CurrentTextLayout.SetFontStyle(FontIsItalic ? FontStyle.Italic : FontStyle.Normal, CurrentTextRange);
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// Updates the bold.
/// </summary>
private void UpdateBold()
{
try
{
CurrentTextLayout.SetFontWeight(FontIsBold ? FontWeight.Bold : FontWeight.Normal, CurrentTextRange);
}
catch (Exception ex)
{
LogException(ex);
}
}
void DownDirBtn(int dir)
{
metricsList = null;
if (dir == -1)
{
if (isTrailingHit[0] == false)
{
if (hitTestMetrics[0].TextPosition != 0)
{
metricsList = CurrentTextLayout.HitTestTextRange(hitTestMetrics[0].TextPosition - 1, 1, 0.0f, 0.0f);
hitTestMetrics[0] = metricsList[0];
}
}
else
{
isTrailingHit[0] = false;
}
}
else
{
if (isTrailingHit[0] == false)
{
isTrailingHit[0] = true;
}
else
{
if (hitTestMetrics[0].TextPosition != txt.Count() - 1)
{
metricsList = CurrentTextLayout.HitTestTextRange(hitTestMetrics[0].TextPosition + 1, 1, 0.0f, 0.0f);
hitTestMetrics[0] = metricsList[0];
}
}
}
hitTestMetrics[1] = hitTestMetrics[0];
isTrailingHit[1] = isTrailingHit[0];
cursorIdx = 0;
int x = (int)Math.Round(hitTestMetrics[cursorIdx].Left);
int y = (int)Math.Round(hitTestMetrics[cursorIdx].Top);
SetImeWindowsPos(x, y);
StopAnim();
StartAnim();
Refresh();
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
if (CurrentTextFormat != null)
{
CurrentTextFormat.Dispose();
}
if (CurrentTextLayout != null)
{
CurrentTextLayout.Dispose();
}
if (CustomTextRenderer != null)
{
CustomTextRenderer.Dispose();
}
if (SceneColorBrush != null)
{
SceneColorBrush.Dispose();
}
if (RenderTarget2D != null)
{
RenderTarget2D.Dispose();
}
if (FactoryDWrite != null)
{
FactoryDWrite.Dispose();
}
if (Factory2D != null)
{
Factory2D.Dispose();
}
}
base.Dispose(disposing);
}
/// <summary>
/// Handles the Paint event of the renderControl control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.Forms.PaintEventArgs"/> instance containing the event data.</param>
void RenderControlPaint(object sender, PaintEventArgs e)
{
try
{
RenderTarget2D.BeginDraw();
RenderTarget2D.Clear(new Color4(1, 1, 1, 1));
//RenderTarget2D.DrawTextLayout(new PointF(0, 0), CurrentTextLayout, SceneColorBrush);
CurrentTextLayout.Draw(CustomTextRenderer, 0, 0);
RenderTarget2D.EndDraw();
}
catch (Exception ex)
{
LogException(ex);
}
}
/// <summary>
/// Updates the TextFormat and TextLayout.
/// </summary>
private void UpdateTextFormatAndLayout()
{
try
{
if (CurrentTextFormat != null)
{
CurrentTextFormat.Dispose();
CurrentTextFormat = null;
}
if (CurrentTextLayout != null)
{
CurrentTextLayout.Dispose();
CurrentTextLayout = null;
}
// Initialize a TextFormat
CurrentTextFormat = new TextFormat(FactoryDWrite, FontFamilyName, FontSize)
{
TextAlignment = TextAlignment.Center, ParagraphAlignment = ParagraphAlignment.Center
};
CurrentTextLayout = new TextLayout(FactoryDWrite, FontText, CurrentTextFormat, renderControl.Width, renderControl.Height);
// Set a stylistic typography
var typo = new Typography(FactoryDWrite);
typo.AddFontFeature(new FontFeature(FontFeatureTag.StylisticSet7, 1));
CurrentTextLayout.SetTypography(typo, CurrentTextRange);
typo.Dispose();
UpdateBold();
UpdateItalic();
UpdateUnderline();
UpdateFontSize();
}
catch (Exception ex)
{
LogException(ex);
}
}
protected override void OnMouseDown(Document document, ToolMouseEventArgs e)
{
ctrlKey = e.IsControlPressed;
//Store the mouse position.
Point pt = e.PointDouble.ToGdkPoint();
// Grab focus so we can get keystrokes
imContext.FocusIn();
if (selection != null)
{
selection.Dispose();
}
selection = document.Selection.Clone();
// A right click allows you to move the text around
if (e.MouseButton == MouseButton.Right)
{
//The user is dragging text with the right mouse button held down, so track the mouse as it moves.
tracking = true;
//Remember the position of the mouse before the text is dragged.
startMouseXY = e.PointDouble;
startClickPoint = clickPoint;
//Change the cursor to indicate that the text is being dragged.
SetCursor(cursor_hand);
return;
}
// The user clicked the left mouse button
if (e.MouseButton == MouseButton.Left)
{
// If the user is [editing or holding down Ctrl] and clicked
//within the text, move the cursor to the click location
if ((is_editing || ctrlKey) && CurrentTextBounds.ContainsCorrect(pt))
{
StartEditing();
//Change the position of the cursor to where the mouse clicked.
TextPosition p = CurrentTextLayout.PointToTextPosition(pt);
CurrentTextEngine.SetCursorPosition(p, true);
//Redraw the text with the new cursor position.
RedrawText(true, true);
return;
}
// We're already editing and the user clicked outside the text,
// commit the user's work, and start a new edit
switch (CurrentTextEngine.State)
{
// We were editing, save and stop
case TextMode.Uncommitted:
StopEditing(true);
break;
// We were editing, but nothing had been
// keyed. Stop editing.
case TextMode.Unchanged:
StopEditing(false);
break;
}
if (ctrlKey)
{
//Go through every UserLayer.
foreach (UserLayer ul in document.Layers.UserLayers)
{
//Check each UserLayer's editable text boundaries to see if they contain the mouse position.
if (ul.textBounds.ContainsCorrect(pt))
{
//The mouse clicked on editable text.
//Change the current UserLayer to the Layer that contains the text that was clicked on.
document.Layers.SetCurrentUserLayer(ul);
//The user is editing text now.
is_editing = true;
//Set the cursor in the editable text where the mouse was clicked.
TextPosition p = CurrentTextLayout.PointToTextPosition(pt);
CurrentTextEngine.SetCursorPosition(p, true);
//Redraw the editable text with the cursor.
RedrawText(true, true);
//Don't check any more UserLayers - stop at the first UserLayer that has editable text containing the mouse position.
return;
}
}
}
else
{
if (CurrentTextEngine.State == TextMode.NotFinalized)
{
//The user is making a new text and the old text hasn't been finalized yet.
FinalizeText();
}
if (!is_editing)
{
// Start editing at the cursor location
clickPoint = pt;
CurrentTextEngine.Clear();
UpdateFont();
clickPoint.Offset(0, -CurrentTextLayout.FontHeight / 2);
CurrentTextEngine.Origin = clickPoint;
StartEditing();
RedrawText(true, true);
}
}
}
}
/// <summary>
/// Draws the text.
/// </summary>
/// <param name="showCursor">Whether or not to show the mouse cursor in the drawing.</param>
/// <param name="useTextLayer">Whether or not to use the TextLayer (as opposed to the Userlayer).</param>
private void RedrawText(bool showCursor, bool useTextLayer)
{
Rectangle r = CurrentTextLayout.GetLayoutBounds();
r.Inflate(10 + OutlineWidth, 10 + OutlineWidth);
InflateAndInvalidate(r);
CurrentTextBounds = r;
Rectangle cursorBounds = Rectangle.Zero;
Cairo.ImageSurface surf;
if (!useTextLayer)
{
//Draw text on the current UserLayer's surface as finalized text.
surf = PintaCore.Workspace.ActiveDocument.Layers.CurrentUserLayer.Surface;
}
else
{
//Draw text on the current UserLayer's TextLayer's surface as re-editable text.
surf = PintaCore.Workspace.ActiveDocument.Layers.CurrentUserLayer.TextLayer.Layer.Surface;
ClearTextLayer();
}
using (var g = new Cairo.Context(surf)) {
g.Save();
// Show selection if on text layer
if (useTextLayer)
{
// Selected Text
Cairo.Color c = new Cairo.Color(0.7, 0.8, 0.9, 0.5);
foreach (Rectangle rect in CurrentTextLayout.SelectionRectangles)
{
g.FillRectangle(rect.ToCairoRectangle(), c);
}
}
if (selection != null)
{
selection.Clip(g);
}
g.MoveTo(new Cairo.PointD(CurrentTextEngine.Origin.X, CurrentTextEngine.Origin.Y));
g.SetSourceColor(PintaCore.Palette.PrimaryColor);
//Fill in background
if (BackgroundFill)
{
using (var g2 = new Cairo.Context(surf)) {
if (selection != null)
{
selection.Clip(g2);
}
g2.FillRectangle(CurrentTextLayout.GetLayoutBounds().ToCairoRectangle(), PintaCore.Palette.SecondaryColor);
}
}
// Draw the text
if (FillText)
{
Pango.CairoHelper.ShowLayout(g, CurrentTextLayout.Layout);
}
if (FillText && StrokeText)
{
g.SetSourceColor(PintaCore.Palette.SecondaryColor);
g.LineWidth = OutlineWidth;
Pango.CairoHelper.LayoutPath(g, CurrentTextLayout.Layout);
g.Stroke();
}
else if (StrokeText)
{
g.SetSourceColor(PintaCore.Palette.PrimaryColor);
g.LineWidth = OutlineWidth;
Pango.CairoHelper.LayoutPath(g, CurrentTextLayout.Layout);
g.Stroke();
}
if (showCursor)
{
var loc = CurrentTextLayout.GetCursorLocation();
var color = PintaCore.Palette.PrimaryColor;
g.Antialias = Cairo.Antialias.None;
g.DrawLine(new Cairo.PointD(loc.X, loc.Y),
new Cairo.PointD(loc.X, loc.Y + loc.Height),
color, 1);
cursorBounds = Rectangle.Inflate(loc, 2, 10);
}
g.Restore();
if (useTextLayer && (is_editing || ctrlKey) && !CurrentTextEngine.IsEmpty())
{
//Draw the text edit rectangle.
g.Save();
g.Translate(.5, .5);
using (Cairo.Path p = g.CreateRectanglePath(CurrentTextBounds.ToCairoRectangle())) {
g.AppendPath(p);
}
g.LineWidth = 1;
g.SetSourceColor(new Cairo.Color(1, 1, 1));
g.StrokePreserve();
g.SetDash(new double[] { 2, 4 }, 0);
g.SetSourceColor(new Cairo.Color(1, .1, .2));
g.Stroke();
g.Restore();
}
}
InflateAndInvalidate(PintaCore.Workspace.ActiveDocument.Layers.CurrentUserLayer.previousTextBounds);
PintaCore.Workspace.Invalidate(old_cursor_bounds);
InflateAndInvalidate(r);
PintaCore.Workspace.Invalidate(cursorBounds);
old_cursor_bounds = cursorBounds;
}
private void TxtView_D2DPaint(D2DGraphics g)
{
if (!string.IsNullOrWhiteSpace(BackGroundText) && !isHideBackGroundText)
{
g.RenderTarget.AntialiasMode = AntialiasMode.PerPrimitive;
SolidColorBrush brush = new SolidColorBrush(g.RenderTarget, GDIDataD2DUtils.TransToRawColor4(BackGroundTextColor));
TextFormat textFormat = new TextFormat(D2DGraphics.dwriteFactory, foreFont.FamilyName, foreFont.Weight, foreFont.Style, foreFont.Size)
{
TextAlignment = TextAlignment.Leading, ParagraphAlignment = ParagraphAlignment.Center
};
textFormat.WordWrapping = WordWrapping.Wrap;
SharpDX.RectangleF textRegionRect =
new SharpDX.RectangleF(0, 0, Width - 1, Height - 1);
g.RenderTarget.DrawText(BackGroundText, textFormat, textRegionRect, brush, DrawTextOptions.Clip);
}
if (metricsList != null)
{
g.RenderTarget.AntialiasMode = AntialiasMode.Aliased;
SharpDX.Direct2D1.Brush brush = new SolidColorBrush(g.RenderTarget, SharpDX.Color.SkyBlue);
foreach (HitTestMetrics m in metricsList)
{
SharpDX.RectangleF textRegionRect =
new SharpDX.RectangleF((float)Math.Ceiling(m.Left), (float)Math.Ceiling(m.Top), (float)Math.Ceiling(m.Width), (float)Math.Ceiling(m.Height));
g.RenderTarget.FillRectangle(textRegionRect, brush);
}
}
g.RenderTarget.AntialiasMode = AntialiasMode.PerPrimitive;
if (CurrentTextLayout != null && scTextRenderer != null)
{
CurrentTextLayout.Draw(scTextRenderer, 0, 0);
}
if (cursorState == 1)
{
g.RenderTarget.AntialiasMode = AntialiasMode.Aliased;
RawRectangleF rect =
new RawRectangleF(
hitTestMetrics[cursorIdx].Left,
hitTestMetrics[cursorIdx].Top,
hitTestMetrics[cursorIdx].Left + hitTestMetrics[cursorIdx].Width,
hitTestMetrics[cursorIdx].Top + hitTestMetrics[cursorIdx].Height);
RawVector2 pt0;
RawVector2 pt1;
if (isTrailingHit[cursorIdx] == false)
{
pt0 = new RawVector2((float)Math.Ceiling(rect.Left), (float)Math.Ceiling(rect.Top));
pt1 = new RawVector2((float)Math.Ceiling(rect.Left), (float)Math.Ceiling(rect.Bottom));
}
else
{
pt0 = new RawVector2((float)Math.Ceiling(rect.Right), (float)Math.Ceiling(rect.Top));
pt1 = new RawVector2((float)Math.Ceiling(rect.Right), (float)Math.Ceiling(rect.Bottom));
}
RawColor4 color = GDIDataD2DUtils.TransToRawColor4(Color.FromArgb(255, 255, 0, 0));
SharpDX.Direct2D1.Brush brushx = new SolidColorBrush(g.RenderTarget, color);
if (pt0.X == 0 && pt1.X == 0)
{
pt1.X = pt0.X = 1;
}
g.RenderTarget.DrawLine(pt0, pt1, brushx);
}
}
private void TxtView_MouseMove(object sender, ScMouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
hitTestMetrics[1] = CurrentTextLayout.HitTestPoint(
(float)e.Location.X,
(float)e.Location.Y,
out isTrailingHit[1],
out isInside[1]);
HitTestMetrics start, end;
RawBool startTrailingHit, endTrailingHit;
int startTextPosition, endTextPosition;
if (hitTestMetrics[1].TextPosition == hitTestMetrics[0].TextPosition &&
(isTrailingHit[1] == false && isTrailingHit[0] == true) ||
hitTestMetrics[1].TextPosition < hitTestMetrics[0].TextPosition)
{
start = hitTestMetrics[1];
startTextPosition = start.TextPosition;
startTrailingHit = isTrailingHit[1];
end = hitTestMetrics[0];
endTextPosition = end.TextPosition;
endTrailingHit = isTrailingHit[0];
}
else
{
start = hitTestMetrics[0];
startTextPosition = start.TextPosition;
startTrailingHit = isTrailingHit[0];
end = hitTestMetrics[1];
endTextPosition = end.TextPosition;
endTrailingHit = isTrailingHit[1];
}
if (startTrailingHit == true)
{
startTextPosition += 1;
}
if (endTrailingHit == false)
{
endTextPosition -= 1;
}
int len = endTextPosition - startTextPosition + 1;
if (len > 0)
{
metricsList = CurrentTextLayout.HitTestTextRange(startTextPosition, len, 0.0f, 0.0f);
}
else
{
metricsList = null;
}
if (metricsList != null)
{
cursorIdx = 1;
StopAnim();
StartAnim();
Refresh();
}
}
}
void AddNewText(string newText)
{
HitTestMetrics start, end;
RawBool startTrailingHit, endTrailingHit;
int startTextPosition, endTextPosition;
string a = "", b = "";
int newHitIdx = 0;
if (hitTestMetrics[1].TextPosition == hitTestMetrics[0].TextPosition &&
(isTrailingHit[1] == false && isTrailingHit[0] == true) ||
hitTestMetrics[1].TextPosition < hitTestMetrics[0].TextPosition)
{
start = hitTestMetrics[1];
startTextPosition = start.TextPosition;
startTrailingHit = isTrailingHit[1];
end = hitTestMetrics[0];
endTextPosition = end.TextPosition;
endTrailingHit = isTrailingHit[0];
}
else
{
start = hitTestMetrics[0];
startTextPosition = start.TextPosition;
startTrailingHit = isTrailingHit[0];
end = hitTestMetrics[1];
endTextPosition = end.TextPosition;
endTrailingHit = isTrailingHit[1];
}
if (string.IsNullOrWhiteSpace(txt))
{
a = "";
b = "";
}
else if (startTextPosition == endTextPosition && startTrailingHit == false && endTrailingHit == false) //点击前端
{
int pos = startTextPosition;
a = txt.Substring(0, pos);
b = txt.Substring(pos, txt.Length - pos);
}
else if (startTextPosition == endTextPosition && startTrailingHit == true && endTrailingHit == false) //点击后端
{
int pos = startTextPosition + 1;
a = txt.Substring(0, pos);
b = txt.Substring(pos, txt.Length - pos);
}
else if (startTrailingHit == true && endTrailingHit == true) //开始位置"后端", 结束位置"后端"
{
a = txt.Substring(0, startTextPosition + 1);
b = txt.Substring(endTextPosition + 1, txt.Length - endTextPosition - 1);
}
else if (startTrailingHit == true && endTrailingHit == false) //开始位置"后端", 结束位置"前端"
{
a = txt.Substring(0, startTextPosition + 1);
b = txt.Substring(endTextPosition, txt.Length - endTextPosition);
}
else if (startTrailingHit == false && endTrailingHit == true) //开始位置"前端", 结束位置"后端"
{
a = txt.Substring(0, startTextPosition);
b = txt.Substring(endTextPosition + 1, txt.Length - endTextPosition - 1);
}
else if (startTrailingHit == false && endTrailingHit == false) //开始位置"前端", 结束位置"前端"
{
a = txt.Substring(0, startTextPosition);
b = txt.Substring(endTextPosition, txt.Length - endTextPosition);
}
RectangleF oldrc = DrawBox;
txt = a + newText + b;
CreateD2D();
InitTextFormatLayout();
newHitIdx = a.Count() + newText.Count();
if (newHitIdx < 0)
{
newHitIdx = 0;
}
metricsList = CurrentTextLayout.HitTestTextRange(newHitIdx, 1, 0.0f, 0.0f);
hitTestMetrics[1] = hitTestMetrics[0] = metricsList[0];
isInside[1] = isInside[0];
isTrailingHit[1] = isTrailingHit[0] = false;
cursorIdx = 0;
metricsList = null;
int x = (int)Math.Round(hitTestMetrics[cursorIdx].Left);
int y = (int)Math.Round(hitTestMetrics[cursorIdx].Top);
SetImeWindowsPos(x, y);
if (CursorPositionEvent != null)
{
RectangleF rect =
new RectangleF(
hitTestMetrics[cursorIdx].Left,
hitTestMetrics[cursorIdx].Top,
hitTestMetrics[cursorIdx].Width,
hitTestMetrics[cursorIdx].Height);
CursorPositionEvent(rect);
}
if (TextViewValueChangedEvent != null)
{
TextViewValueChangedEvent(this);
}
InvalidateGlobalRect(GDIDataD2DUtils.UnionRectF(oldrc, DrawBox));
}
