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Merge pull request #2983 from L1Q/master

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Add visual scroll bars for panning
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Jaex 2017-12-07 12:22:36 +03:00 committed by GitHub
commit b916341d16
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1 changed files with 57 additions and 0 deletions
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57
ShareX.ScreenCaptureLib/Forms/RegionCaptureForm.cs
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@ -865,6 +865,11 @@ private void Draw(Graphics g)
{
DrawTextAnimation(g, ShapeManager.MenuTextAnimation);
}
//if (ShapeManager.IsPanning)
{
DrawPanningScrollbars(g);
}
}
internal void DrawRegionArea(Graphics g, Rectangle rect, bool isAnimated)
@ -1019,6 +1024,58 @@ private void DrawBottomTipAnimation(Graphics g, TextAnimation textAnimation)
DrawTextAnimation(g, textAnimation, textRectangle, padding);
}
private void DrawPanningScrollbars(Graphics g)
{
int paddingSize = 15;
int scrollbarThickness = 16;
Rectangle imageRectangleVisible = CanvasRectangle;
imageRectangleVisible.Intersect(ClientArea);
Color trackColor = Color.FromArgb(13, 243, 242, 249);
Color thumbColor = Color.FromArgb(21, 234, 234, 235);
using (Brush trackBrush = new SolidBrush(trackColor))
using (Brush thumbBrush = new SolidBrush(thumbColor))
using (Pen trackPen = new Pen(trackBrush))
using (Pen thumbPen = new Pen(thumbBrush))
{
if (CanvasRectangle.Left < ClientArea.Left || CanvasRectangle.Right > ClientArea.Right)
{
int trackHorizontalLength = ClientArea.Width - paddingSize * 2 - scrollbarThickness;
int thumbHorizontalLength = Math.Max(scrollbarThickness, (int)((float)imageRectangleVisible.Width / (float)CanvasRectangle.Width * (float)trackHorizontalLength));
Rectangle trackHorizontalRegion = new Rectangle(new Point(paddingSize, ClientArea.Bottom - (scrollbarThickness + paddingSize)), new Size(trackHorizontalLength, scrollbarThickness));
double limitHorizontal = ((float)trackHorizontalLength - (float)thumbHorizontalLength) / 2.0f;
double trackHorizontalPositionX = (float)trackHorizontalRegion.Center().X - ((float)thumbHorizontalLength / 2.0f)
- Math.Min(limitHorizontal, Math.Max(-limitHorizontal, CanvasCenterOffset.X / (float)CanvasRectangle.Width * (float)trackHorizontalLength));
Rectangle thumbHorizontalRegion = new Rectangle(new Point((int)trackHorizontalPositionX, ClientArea.Bottom - (scrollbarThickness + paddingSize)), new Size(thumbHorizontalLength, scrollbarThickness));
g.DrawRoundedRectangle(trackBrush, trackPen, trackHorizontalRegion, scrollbarThickness / 2);
g.DrawRoundedRectangle(thumbBrush, thumbPen, thumbHorizontalRegion, scrollbarThickness / 2);
}
if (CanvasRectangle.Top < ClientArea.Top || CanvasRectangle.Bottom > ClientArea.Bottom)
{
int trackVecticalLength = ClientArea.Height - paddingSize * 2 - scrollbarThickness;
int thumbVecticalLength = Math.Max(scrollbarThickness, (int)((float)imageRectangleVisible.Height / (float)CanvasRectangle.Height * (float)trackVecticalLength));
Rectangle trackVecticalRegion = new Rectangle(new Point(ClientArea.Right - (scrollbarThickness + paddingSize), paddingSize), new Size(scrollbarThickness, trackVecticalLength));
double limitVectical = ((float)trackVecticalLength - (float)thumbVecticalLength) / 2.0f;
double trackVecticalPositionY = (float)trackVecticalRegion.Center().Y - ((float)thumbVecticalLength / 2.0f)
- Math.Min(limitVectical, Math.Max(-limitVectical, CanvasCenterOffset.Y / (float)CanvasRectangle.Height * (float)trackVecticalLength));
Rectangle thumbVecticalRegion = new Rectangle(new Point(ClientArea.Right - (scrollbarThickness + paddingSize), (int)trackVecticalPositionY), new Size(scrollbarThickness, thumbVecticalLength));
g.DrawRoundedRectangle(trackBrush, trackPen, trackVecticalRegion, scrollbarThickness / 2);
g.DrawRoundedRectangle(thumbBrush, thumbPen, thumbVecticalRegion, scrollbarThickness / 2);
}
}
}
private void WriteTips(StringBuilder sb)
{
sb.AppendLine(Resources.RectangleRegion_WriteTips__F1__Hide_tips);