void DrawTab(Context ctx, DockNotebookTab tab, Gdk.Rectangle allocation, Gdk.Rectangle tabBounds, bool highlight, bool active, bool dragging, Pango.Layout la)
{
// This logic is stupid to have here, should be in the caller!
if (dragging)
{
tabBounds.X = (int)(tabBounds.X + (dragX - tabBounds.X) * dragXProgress);
tabBounds.X = Clamp(tabBounds.X, tabStartX, tabEndX - tabBounds.Width);
}
double rightPadding = (active ? TabActivePadding.Right : TabPadding.Right) - (LeanWidth / 2);
rightPadding = (rightPadding * Math.Min(1.0, Math.Max(0.5, (tabBounds.Width - 30) / 70.0)));
double leftPadding = (active ? TabActivePadding.Left : TabPadding.Left) - (LeanWidth / 2);
leftPadding = (leftPadding * Math.Min(1.0, Math.Max(0.5, (tabBounds.Width - 30) / 70.0)));
double bottomPadding = active ? TabActivePadding.Bottom : TabPadding.Bottom;
DrawTabBackground(this, ctx, allocation, tabBounds.Width, tabBounds.X, active);
ctx.LineWidth = 1;
ctx.NewPath();
// Render Close Button (do this first so we can tell how much text to render)
var closeButtonAlloation = new Cairo.Rectangle(tabBounds.Right - rightPadding - (tabCloseImage.Width / 2) - CloseButtonMarginRight,
tabBounds.Height - bottomPadding - tabCloseImage.Height - CloseButtonMarginBottom,
tabCloseImage.Width, tabCloseImage.Height);
tab.CloseButtonActiveArea = closeButtonAlloation.Inflate(2, 2);
bool closeButtonHovered = tracker.Hovered && tab.CloseButtonActiveArea.Contains(tracker.MousePosition);
bool tabHovered = tracker.Hovered && tab.Allocation.Contains(tracker.MousePosition);
bool drawCloseButton = active || tabHovered;
if (!closeButtonHovered && tab.DirtyStrength > 0.5)
{
ctx.DrawImage(this, tabDirtyImage, closeButtonAlloation.X, closeButtonAlloation.Y);
drawCloseButton = false;
}
if (drawCloseButton)
{
ctx.DrawImage(this, tabCloseImage.WithAlpha((closeButtonHovered ? 1.0 : 0.5) * tab.Opacity), closeButtonAlloation.X, closeButtonAlloation.Y);
}
// Render Text
double tw = tabBounds.Width - (leftPadding + rightPadding);
if (drawCloseButton || tab.DirtyStrength > 0.5)
{
tw -= closeButtonAlloation.Width / 2;
}
double tx = tabBounds.X + leftPadding;
var baseline = la.GetLine(0).Layout.GetPixelBaseline();
double ty = tabBounds.Height - bottomPadding - baseline;
ctx.MoveTo(tx, ty);
if (!MonoDevelop.Core.Platform.IsMac && !MonoDevelop.Core.Platform.IsWindows)
{
// This is a work around for a linux specific problem.
// A bug in the proprietary ATI driver caused TAB text not to draw.
// If that bug get's fixed remove this HACK asap.
la.Ellipsize = Pango.EllipsizeMode.End;
la.Width = (int)(tw * Pango.Scale.PangoScale);
ctx.SetSourceColor((tab.Notify ? Styles.TabBarNotifyTextColor : (active ? Styles.TabBarActiveTextColor : Styles.TabBarInactiveTextColor)).ToCairoColor());
Pango.CairoHelper.ShowLayout(ctx, la.GetLine(0).Layout);
}
else
{
// ellipses are for space wasting ..., we cant afford that
using (var lg = new LinearGradient(tx + tw - 10, 0, tx + tw, 0)) {
var color = (tab.Notify ? Styles.TabBarNotifyTextColor : (active ? Styles.TabBarActiveTextColor : Styles.TabBarInactiveTextColor)).ToCairoColor();
color = color.MultiplyAlpha(tab.Opacity);
lg.AddColorStop(0, color);
color.A = 0;
lg.AddColorStop(1, color);
ctx.SetSource(lg);
Pango.CairoHelper.ShowLayout(ctx, la.GetLine(0).Layout);
}
}
la.Dispose();
}
void DrawTab (Context ctx, DockNotebookTab tab, Gdk.Rectangle allocation, Gdk.Rectangle tabBounds, bool highlight, bool active, bool dragging, Pango.Layout la)
{
// This logic is stupid to have here, should be in the caller!
if (dragging) {
tabBounds.X = (int)(tabBounds.X + (dragX - tabBounds.X) * dragXProgress);
tabBounds.X = Clamp (tabBounds.X, tabStartX, tabEndX - tabBounds.Width);
}
double rightPadding = (active ? TabActivePadding.Right : TabPadding.Right) - (LeanWidth / 2);
rightPadding = (rightPadding * Math.Min (1.0, Math.Max (0.5, (tabBounds.Width - 30) / 70.0)));
double leftPadding = (active ? TabActivePadding.Left : TabPadding.Left) - (LeanWidth / 2);
leftPadding = (leftPadding * Math.Min (1.0, Math.Max (0.5, (tabBounds.Width - 30) / 70.0)));
double bottomPadding = active ? TabActivePadding.Bottom : TabPadding.Bottom;
DrawTabBackground (this, ctx, allocation, tabBounds.Width, tabBounds.X, active);
ctx.LineWidth = 1;
ctx.NewPath ();
// Render Close Button (do this first so we can tell how much text to render)
var closeButtonAlloation = new Cairo.Rectangle (tabBounds.Right - rightPadding - (tabCloseImage.Width / 2) - CloseButtonMarginRight,
tabBounds.Height - bottomPadding - tabCloseImage.Height - CloseButtonMarginBottom,
tabCloseImage.Width, tabCloseImage.Height);
tab.CloseButtonActiveArea = closeButtonAlloation.Inflate (2, 2);
bool closeButtonHovered = tracker.Hovered && tab.CloseButtonActiveArea.Contains (tracker.MousePosition);
bool tabHovered = tracker.Hovered && tab.Allocation.Contains (tracker.MousePosition);
bool drawCloseButton = active || tabHovered;
if (!closeButtonHovered && tab.DirtyStrength > 0.5) {
ctx.DrawImage (this, tabDirtyImage, closeButtonAlloation.X, closeButtonAlloation.Y);
drawCloseButton = false;
}
if (drawCloseButton)
ctx.DrawImage (this, tabCloseImage.WithAlpha ((closeButtonHovered ? 1.0 : 0.5) * tab.Opacity), closeButtonAlloation.X, closeButtonAlloation.Y);
// Render Text
double tw = tabBounds.Width - (leftPadding + rightPadding);
if (drawCloseButton || tab.DirtyStrength > 0.5)
tw -= closeButtonAlloation.Width / 2;
double tx = tabBounds.X + leftPadding;
var baseline = la.GetLine (0).Layout.GetPixelBaseline ();
double ty = tabBounds.Height - bottomPadding - baseline;
ctx.MoveTo (tx, ty);
if (!MonoDevelop.Core.Platform.IsMac && !MonoDevelop.Core.Platform.IsWindows) {
// This is a work around for a linux specific problem.
// A bug in the proprietary ATI driver caused TAB text not to draw.
// If that bug get's fixed remove this HACK asap.
la.Ellipsize = Pango.EllipsizeMode.End;
la.Width = (int)(tw * Pango.Scale.PangoScale);
ctx.SetSourceColor ((tab.Notify ? Styles.TabBarNotifyTextColor : (active ? Styles.TabBarActiveTextColor : Styles.TabBarInactiveTextColor)).ToCairoColor ());
Pango.CairoHelper.ShowLayout (ctx, la.GetLine (0).Layout);
} else {
// ellipses are for space wasting ..., we cant afford that
using (var lg = new LinearGradient (tx + tw - 10, 0, tx + tw, 0)) {
var color = (tab.Notify ? Styles.TabBarNotifyTextColor : (active ? Styles.TabBarActiveTextColor : Styles.TabBarInactiveTextColor)).ToCairoColor ();
color = color.MultiplyAlpha (tab.Opacity);
lg.AddColorStop (0, color);
color.A = 0;
lg.AddColorStop (1, color);
ctx.SetSource (lg);
Pango.CairoHelper.ShowLayout (ctx, la.GetLine (0).Layout);
}
}
la.Dispose ();
}
/// <summary>
/// Create a cursor icon with a shape that visually represents the tool's thickness.
/// </summary>
/// <param name="imgName">A string containing the name of the tool's icon image to use.</param>
/// <param name="shape">The shape to draw.</param>
/// <param name="shapeWidth">The width of the shape.</param>
/// <param name="imgToShapeX">The horizontal distance between the image's top-left corner and the shape center.</param>
/// <param name="imgToShapeY">The verical distance between the image's top-left corner and the shape center.</param>
/// <param name="shapeX">The X position in the returned Pixbuf that will be the center of the shape.</param>
/// <param name="shapeY">The Y position in the returned Pixbuf that will be the center of the shape.</param>
/// <returns>The new cursor icon with an shape that represents the tool's thickness.</returns>
protected Gdk.Pixbuf CreateIconWithShape(string imgName, CursorShape shape, int shapeWidth,
int imgToShapeX, int imgToShapeY,
out int shapeX, out int shapeY)
{
Gdk.Pixbuf img = PintaCore.Resources.GetIcon(imgName);
double zoom = 1d;
if (PintaCore.Workspace.HasOpenDocuments)
{
zoom = Math.Min(30d, PintaCore.Workspace.ActiveDocument.Workspace.Scale);
}
shapeWidth = (int)Math.Min(800d, ((double)shapeWidth) * zoom);
int halfOfShapeWidth = shapeWidth / 2;
// Calculate bounding boxes around the both image and shape
// relative to the image top-left corner.
Gdk.Rectangle imgBBox = new Gdk.Rectangle(0, 0, img.Width, img.Height);
Gdk.Rectangle shapeBBox = new Gdk.Rectangle(
imgToShapeX - halfOfShapeWidth,
imgToShapeY - halfOfShapeWidth,
shapeWidth,
shapeWidth);
// Inflate shape bounding box to allow for anti-aliasing
shapeBBox.Inflate(2, 2);
// To determine required size of icon,
// find union of the image and shape bounding boxes
// (still relative to image top-left corner)
Gdk.Rectangle iconBBox = imgBBox.Union(shapeBBox);
// Image top-left corner in icon co-ordinates
int imgX = imgBBox.Left - iconBBox.Left;
int imgY = imgBBox.Top - iconBBox.Top;
// Shape center point in icon co-ordinates
shapeX = imgToShapeX - iconBBox.Left;
shapeY = imgToShapeY - iconBBox.Top;
using (ImageSurface i = new ImageSurface(Format.ARGB32, iconBBox.Width, iconBBox.Height)) {
using (Context g = new Context(i)) {
// Don't show shape if shapeWidth less than 3,
if (shapeWidth > 3)
{
int diam = Math.Max(1, shapeWidth - 2);
Cairo.Rectangle shapeRect = new Cairo.Rectangle(shapeX - halfOfShapeWidth,
shapeY - halfOfShapeWidth,
diam,
diam);
Cairo.Color outerColor = new Cairo.Color(255, 255, 255, 0.75);
Cairo.Color innerColor = new Cairo.Color(0, 0, 0);
switch (shape)
{
case CursorShape.Ellipse:
g.DrawEllipse(shapeRect, outerColor, 2);
shapeRect = shapeRect.Inflate(-1, -1);
g.DrawEllipse(shapeRect, innerColor, 1);
break;
case CursorShape.Rectangle:
g.DrawRectangle(shapeRect, outerColor, 1);
shapeRect = shapeRect.Inflate(-1, -1);
g.DrawRectangle(shapeRect, innerColor, 1);
break;
}
}
// Draw the image
g.DrawPixbuf(img, new Cairo.Point(imgX, imgY));
}
return(CairoExtensions.ToPixbuf(i));
}
}
/// <summary>
/// Create a cursor icon with a shape that visually represents the tool's thickness.
/// </summary>
/// <param name="imgName">A string containing the name of the tool's icon image to use.</param>
/// <param name="shape">The shape to draw.</param>
/// <param name="shapeWidth">The width of the shape.</param>
/// <param name="imgToShapeX">The horizontal distance between the image's top-left corner and the shape center.</param>
/// <param name="imgToShapeX">The verical distance between the image's top-left corner and the shape center.</param>
/// <param name="shapeX">The X position in the returned Pixbuf that will be the center of the shape.</param>
/// <param name="shapeY">The Y position in the returned Pixbuf that will be the center of the shape.</param>
/// <returns>The new cursor icon with an shape that represents the tool's thickness.</returns>
protected Gdk.Pixbuf CreateIconWithShape(string imgName, CursorShape shape, int shapeWidth,
int imgToShapeX, int imgToShapeY,
out int shapeX, out int shapeY)
{
Gdk.Pixbuf img = PintaCore.Resources.GetIcon(imgName);
double zoom = 1d;
if (PintaCore.Workspace.HasOpenDocuments)
{
zoom = Math.Min(30d, PintaCore.Workspace.ActiveDocument.Workspace.Scale);
}
shapeWidth = (int)Math.Min(800d, ((double)shapeWidth) * zoom);
int halfOfShapeWidth = shapeWidth / 2;
// Calculate bounding boxes around the both image and shape
// relative to the image top-left corner.
Gdk.Rectangle imgBBox = new Gdk.Rectangle(0, 0, img.Width, img.Height);
Gdk.Rectangle shapeBBox = new Gdk.Rectangle(
imgToShapeX - halfOfShapeWidth,
imgToShapeY - halfOfShapeWidth,
shapeWidth,
shapeWidth);
// Inflate shape bounding box to allow for anti-aliasing
shapeBBox.Inflate(2, 2);
// To determine required size of icon,
// find union of the image and shape bounding boxes
// (still relative to image top-left corner)
Gdk.Rectangle iconBBox = imgBBox.Union (shapeBBox);
// Image top-left corner in icon co-ordinates
int imgX = imgBBox.Left - iconBBox.Left;
int imgY = imgBBox.Top - iconBBox.Top;
// Shape center point in icon co-ordinates
shapeX = imgToShapeX - iconBBox.Left;
shapeY = imgToShapeY - iconBBox.Top;
ImageSurface i = new ImageSurface(Format.ARGB32, iconBBox.Width, iconBBox.Height);
using (Context g = new Context(i))
{
// Don't show shape if shapeWidth less than 3,
if (shapeWidth > 3)
{
int diam = Math.Max (1, shapeWidth - 2);
Cairo.Rectangle shapeRect = new Cairo.Rectangle(shapeX - halfOfShapeWidth,
shapeY - halfOfShapeWidth,
diam,
diam);
Cairo.Color outerColor = new Cairo.Color (255, 255, 255, 0.5);
Cairo.Color innerColor = new Cairo.Color (0, 0, 0);
switch (shape)
{
case CursorShape.Ellipse:
g.DrawEllipse(shapeRect, outerColor, 1);
shapeRect = shapeRect.Inflate (-1, -1);
g.DrawEllipse(shapeRect, innerColor, 1);
break;
case CursorShape.Rectangle:
g.DrawRectangle(shapeRect, outerColor, 1);
shapeRect = shapeRect.Inflate (-1, -1);
g.DrawRectangle(shapeRect, innerColor, 1);
break;
}
}
// Draw the image
g.DrawPixbuf(img, new Cairo.Point(imgX, imgY));
}
return CairoExtensions.ToPixbuf(i);
}
/// <summary>
/// Draws the hover point, if any.
/// </summary>
/// <param name="g"></param>
protected void DrawHoverPoint(Context g)
{
ShapeEngine activeEngine = ActiveShapeEngine;
if (activeEngine != null)
{
last_control_pt_size = Math.Min(activeEngine.BrushWidth + 1, 5);
}
else
{
last_control_pt_size = Math.Min(BrushWidth + 1, 5);
}
double controlPointOffset = (double)last_control_pt_size / 2d;
//Verify that the user isn't changing the tension of a control point and that there is a hover point to draw.
if (!changing_tension && hover_point.X > -1d)
{
Rectangle hoverOuterEllipseRect = new Rectangle(
hover_point.X - controlPointOffset * 3d, hover_point.Y - controlPointOffset * 3d,
controlPointOffset * 6d, controlPointOffset * 6d);
g.FillStrokedEllipse(hoverOuterEllipseRect, hover_color, hover_color, 1);
g.FillStrokedEllipse(new Rectangle(
hover_point.X - controlPointOffset, hover_point.Y - controlPointOffset,
last_control_pt_size, last_control_pt_size), hover_color, hover_color, (int)last_control_pt_size);
hoverOuterEllipseRect = hoverOuterEllipseRect.Inflate(1, 1);
//Since the hover point can be outside of the active shape's bounds (hovering over a different shape), a special
//invalidation call needs to be made for the hover point in order to ensure its visibility at all times.
PintaCore.Workspace.Invalidate(hoverOuterEllipseRect.ToGdkRectangle());
last_hover = hoverOuterEllipseRect;
last_hover = last_hover.Value.Clamp();
}
}
private void InvalidateAfterDraw(Rectangle dirty)
{
Document doc = PintaCore.Workspace.ActiveDocument;
//Inflate to accomodate for previously drawn control points, if any.
int inflate = (int)(last_control_pt_size * 8d);
dirty = dirty.Inflate(inflate, inflate);
// Increase the size of the dirty rect to account for antialiasing.
if (owner.UseAntialiasing)
{
dirty = dirty.Inflate(1, 1);
}
//Combine, clamp, and invalidate the dirty Rectangle.
dirty = ((Rectangle?)dirty).UnionRectangles(last_dirty).Value;
dirty = dirty.Clamp();
doc.Workspace.Invalidate(dirty.ToGdkRectangle());
last_dirty = dirty;
}