JMR-dev/ReLibreHardwareMonitor
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Buffered the gadget background drawing in order to improve drawing performance.

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This commit is contained in:
Michael Möller
2011-07-25 21:09:21 +00:00
parent b056694bcb
commit e3adf6ceb6
1 changed files with 54 additions and 28 deletions
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GUI/SensorGadget.cs
+54 -28
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@@ -38,6 +38,7 @@
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.Windows.Forms;
using OpenHardwareMonitor.Hardware;
@@ -48,11 +49,12 @@ namespace OpenHardwareMonitor.GUI {
private Image back = Utilities.EmbeddedResources.GetImage("gadget.png");
private Image barBack = Utilities.EmbeddedResources.GetImage("barback.png");
private Image barblue = Utilities.EmbeddedResources.GetImage("barblue.png");
private Image barBlue = Utilities.EmbeddedResources.GetImage("barblue.png");
private const int topBorder = 6;
private const int bottomBorder = 7;
private const int leftBorder = 6;
private const int rightBorder = 7;
private Image background = new Bitmap(1, 1);
private readonly float scale;
private float fontSize;
@@ -238,7 +240,19 @@ namespace OpenHardwareMonitor.GUI {
trimStringFormat = null;
alignRightStringFormat.Dispose();
alignRightStringFormat = null;
alignRightStringFormat = null;
back.Dispose();
back = null;
barBlue.Dispose();
barBlue = null;
barBack.Dispose();
barBack = null;
background.Dispose();
background = null;
base.Dispose();
}
@@ -385,33 +399,45 @@ namespace OpenHardwareMonitor.GUI {
private void DrawBackground(Graphics g) {
int w = Size.Width;
int h = Size.Height;
int t = topBorder;
int b = bottomBorder;
int l = leftBorder;
int r = rightBorder;
GraphicsUnit u = GraphicsUnit.Pixel;
int h = Size.Height;
g.DrawImage(back, new Rectangle(0, 0, l, t),
new Rectangle(0, 0, l, t), u);
g.DrawImage(back, new Rectangle(l, 0, w - l - r, t),
new Rectangle(l, 0, back.Width - l - r, t), u);
g.DrawImage(back, new Rectangle(w - r, 0, r, t),
new Rectangle(back.Width - r, 0, r, t), u);
if (w != background.Width || h != background.Height) {
g.DrawImage(back, new Rectangle(0, t, l, h - t - b),
new Rectangle(0, t, l, back.Height - t - b), u);
g.DrawImage(back, new Rectangle(l, t, w - l - r, h - t - b),
new Rectangle(l, t, back.Width - l - r, back.Height - t - b), u);
g.DrawImage(back, new Rectangle(w - r, t, r, h - t - b),
new Rectangle(back.Width - r, t, r, back.Height - t - b), u);
background.Dispose();
background = new Bitmap(w, h, PixelFormat.Format32bppPArgb);
using (Graphics graphics = Graphics.FromImage(background)) {
g.DrawImage(back, new Rectangle(0, h - b, l, b),
new Rectangle(0, back.Height - b, l, b), u);
g.DrawImage(back, new Rectangle(l, h - b, w - l - r, b),
new Rectangle(l, back.Height - b, back.Width - l - r, b), u);
g.DrawImage(back, new Rectangle(w - r, h - b, r, b),
new Rectangle(back.Width - r, back.Height - b, r, b), u);
int t = topBorder;
int b = bottomBorder;
int l = leftBorder;
int r = rightBorder;
GraphicsUnit u = GraphicsUnit.Pixel;
graphics.DrawImage(back, new Rectangle(0, 0, l, t),
new Rectangle(0, 0, l, t), u);
graphics.DrawImage(back, new Rectangle(l, 0, w - l - r, t),
new Rectangle(l, 0, back.Width - l - r, t), u);
graphics.DrawImage(back, new Rectangle(w - r, 0, r, t),
new Rectangle(back.Width - r, 0, r, t), u);
graphics.DrawImage(back, new Rectangle(0, t, l, h - t - b),
new Rectangle(0, t, l, back.Height - t - b), u);
graphics.DrawImage(back, new Rectangle(l, t, w - l - r, h - t - b),
new Rectangle(l, t, back.Width - l - r, back.Height - t - b), u);
graphics.DrawImage(back, new Rectangle(w - r, t, r, h - t - b),
new Rectangle(back.Width - r, t, r, back.Height - t - b), u);
graphics.DrawImage(back, new Rectangle(0, h - b, l, b),
new Rectangle(0, back.Height - b, l, b), u);
graphics.DrawImage(back, new Rectangle(l, h - b, w - l - r, b),
new Rectangle(l, back.Height - b, back.Width - l - r, b), u);
graphics.DrawImage(back, new Rectangle(w - r, h - b, r, b),
new Rectangle(back.Width - r, back.Height - b, r, b), u);
}
}
g.DrawImageUnscaled(background, 0, 0);
}
private void DrawProgress(Graphics g, float x, float y,
@@ -422,9 +448,9 @@ namespace OpenHardwareMonitor.GUI {
new RectangleF(barBack.Width * progress, 0,
(1 - progress) * barBack.Width, barBack.Height),
GraphicsUnit.Pixel);
g.DrawImage(barblue,
g.DrawImage(barBlue,
new RectangleF(x, y, width * progress, height),
new RectangleF(0, 0, progress * barblue.Width, barblue.Height),
new RectangleF(0, 0, progress * barBlue.Width, barBlue.Height),
GraphicsUnit.Pixel);
}