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Merge pull request #3315 from sylveon/master

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Use a linear gradient brush in color slider instead of manually drawing
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Jaex 2018-04-16 23:47:45 +03:00 committed by GitHub
commit 32f77d79a6
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1 changed files with 21 additions and 40 deletions
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61
ShareX.HelpersLib/Colors/ColorSlider.cs
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@ -24,6 +24,7 @@ You should have received a copy of the GNU General Public License
#endregion License Information (GPL v3)
using System.Drawing;
using System.Drawing.Drawing2D;
namespace ShareX.HelpersLib
{
@ -76,16 +77,12 @@ protected override void DrawSaturation()
{
using (Graphics g = Graphics.FromImage(bmp))
{
HSB color = new HSB(SelectedColor.HSB.Hue, 0.0, SelectedColor.HSB.Brightness, SelectedColor.RGBA.Alpha);
HSB start = new HSB(SelectedColor.HSB.Hue, 1.0, SelectedColor.HSB.Brightness, SelectedColor.RGBA.Alpha);
HSB end = new HSB(SelectedColor.HSB.Hue, 0.0, SelectedColor.HSB.Brightness, SelectedColor.RGBA.Alpha);
for (int y = 0; y < clientHeight; y++)
using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, clientWidth, clientHeight), start, end, LinearGradientMode.Vertical))
{
color.Saturation = 1.0 - (double)y / (clientHeight - 1);
using (Pen pen = new Pen(color))
{
g.DrawLine(pen, 0, y, clientWidth, y);
}
g.FillRectangle(brush, new Rectangle(0, 0, clientWidth, clientHeight));
}
}
}
@ -95,16 +92,12 @@ protected override void DrawBrightness()
{
using (Graphics g = Graphics.FromImage(bmp))
{
HSB color = new HSB(SelectedColor.HSB.Hue, SelectedColor.HSB.Saturation, 0.0, SelectedColor.RGBA.Alpha);
HSB start = new HSB(SelectedColor.HSB.Hue, SelectedColor.HSB.Saturation, 1.0, SelectedColor.RGBA.Alpha);
HSB end = new HSB(SelectedColor.HSB.Hue, SelectedColor.HSB.Saturation, 0.0, SelectedColor.RGBA.Alpha);
for (int y = 0; y < clientHeight; y++)
using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, clientWidth, clientHeight), start, end, LinearGradientMode.Vertical))
{
color.Brightness = 1.0 - (double)y / (clientHeight - 1);
using (Pen pen = new Pen(color))
{
g.DrawLine(pen, 0, y, clientWidth, y);
}
g.FillRectangle(brush, new Rectangle(0, 0, clientWidth, clientHeight));
}
}
}
@ -114,16 +107,12 @@ protected override void DrawRed()
{
using (Graphics g = Graphics.FromImage(bmp))
{
RGBA color = new RGBA(0, SelectedColor.RGBA.Green, SelectedColor.RGBA.Blue, SelectedColor.RGBA.Alpha);
RGBA start = new RGBA(255, SelectedColor.RGBA.Green, SelectedColor.RGBA.Blue, SelectedColor.RGBA.Alpha);
RGBA end = new RGBA(0, SelectedColor.RGBA.Green, SelectedColor.RGBA.Blue, SelectedColor.RGBA.Alpha);
for (int y = 0; y < clientHeight; y++)
using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, clientWidth, clientHeight), start, end, LinearGradientMode.Vertical))
{
color.Red = 255 - Round(255 * (double)y / (clientHeight - 1));
using (Pen pen = new Pen(color))
{
g.DrawLine(pen, 0, y, clientWidth, y);
}
g.FillRectangle(brush, new Rectangle(0, 0, clientWidth, clientHeight));
}
}
}
@ -133,16 +122,12 @@ protected override void DrawGreen()
{
using (Graphics g = Graphics.FromImage(bmp))
{
RGBA color = new RGBA(SelectedColor.RGBA.Red, 0, SelectedColor.RGBA.Blue, SelectedColor.RGBA.Alpha);
RGBA start = new RGBA(SelectedColor.RGBA.Red, 255, SelectedColor.RGBA.Blue, SelectedColor.RGBA.Alpha);
RGBA end = new RGBA(SelectedColor.RGBA.Red, 0, SelectedColor.RGBA.Blue, SelectedColor.RGBA.Alpha);
for (int y = 0; y < clientHeight; y++)
using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, clientWidth, clientHeight), start, end, LinearGradientMode.Vertical))
{
color.Green = 255 - Round(255 * (double)y / (clientHeight - 1));
using (Pen pen = new Pen(color))
{
g.DrawLine(pen, 0, y, clientWidth, y);
}
g.FillRectangle(brush, new Rectangle(0, 0, clientWidth, clientHeight));
}
}
}
@ -152,16 +137,12 @@ protected override void DrawBlue()
{
using (Graphics g = Graphics.FromImage(bmp))
{
RGBA color = new RGBA(SelectedColor.RGBA.Red, SelectedColor.RGBA.Green, 0, SelectedColor.RGBA.Alpha);
RGBA start = new RGBA(SelectedColor.RGBA.Red, SelectedColor.RGBA.Green, 255, SelectedColor.RGBA.Alpha);
RGBA end = new RGBA(SelectedColor.RGBA.Red, SelectedColor.RGBA.Green, 0, SelectedColor.RGBA.Alpha);
for (int y = 0; y < clientHeight; y++)
using (LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, clientWidth, clientHeight), start, end, LinearGradientMode.Vertical))
{
color.Blue = 255 - Round(255 * (double)y / (clientHeight - 1));
using (Pen pen = new Pen(color))
{
g.DrawLine(pen, 0, y, clientWidth, y);
}
g.FillRectangle(brush, new Rectangle(0, 0, clientWidth, clientHeight));
}
}
}