本文整理汇总了C#中System.Windows.Media.Imaging.WriteableBitmap.DrawRectangle方法的典型用法代码示例。如果您正苦于以下问题：C# WriteableBitmap.DrawRectangle方法的具体用法？C# WriteableBitmap.DrawRectangle怎么用？C# WriteableBitmap.DrawRectangle使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.Media.Imaging.WriteableBitmap的用法示例。
在下文中一共展示了WriteableBitmap.DrawRectangle方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: DrawRect
private void DrawRect(WriteableBitmap bmp, int x1, int y1, int x2, int y2, Color color, int line)
{
for (int i = 0; i < line; i++)
{
bmp.DrawRectangle(x1 - i, y1 - i, x2 - i, y2 - i, color);
}
}示例2: DrawGrid
//.........这里部分代码省略.........
if (_overlayImage == null)
{
BitmapImage bitmapSource = new BitmapImage();
bitmapSource.DecodePixelWidth = writeableBitmap.PixelWidth;
bitmapSource.BeginInit();
bitmapSource.UriSource = new Uri(OverlayUseLastCaptured ? _lastOverlay : SelectedOverlay);
bitmapSource.EndInit();
_overlayImage = BitmapFactory.ConvertToPbgra32Format(bitmapSource);
_overlayImage.Freeze();
}
int x = writeableBitmap.PixelWidth*OverlayScale/100;
int y = writeableBitmap.PixelHeight*OverlayScale/100;
int xx = writeableBitmap.PixelWidth*OverlayHorizontal/100;
int yy = writeableBitmap.PixelWidth*OverlayVertical/100;
System.Windows.Media.Color transpColor = Colors.White;
//set color transparency for blit only the alpha chanel is used from transpColor
if (OverlayTransparency < 100)
transpColor = System.Windows.Media.Color.FromArgb((byte) (0xff*OverlayTransparency/100d), 0xff, 0xff, 0xff);
writeableBitmap.Blit(
new Rect(0 + (x / 2) + xx, 0 + (y / 2) + yy, writeableBitmap.PixelWidth - x,
writeableBitmap.PixelHeight - y),
_overlayImage,
new Rect(0, 0, _overlayImage.PixelWidth, _overlayImage.PixelHeight), transpColor,
WriteableBitmapExtensions.BlendMode.Alpha);
}
}
switch (GridType)
{
case 1:
{
for (int i = 1; i < 3; i++)
{
writeableBitmap.DrawLine(0, (int)((writeableBitmap.Height / 3) * i),
(int)writeableBitmap.Width,
(int)((writeableBitmap.Height / 3) * i), color);
writeableBitmap.DrawLine((int)((writeableBitmap.Width / 3) * i), 0,
(int)((writeableBitmap.Width / 3) * i),
(int)writeableBitmap.Height, color);
}
writeableBitmap.SetPixel((int)(writeableBitmap.Width / 2), (int)(writeableBitmap.Height / 2), 128,
Colors.Red);
}
break;
case 2:
{
for (int i = 1; i < 10; i++)
{
writeableBitmap.DrawLine(0, (int)((writeableBitmap.Height / 10) * i),
(int)writeableBitmap.Width,
(int)((writeableBitmap.Height / 10) * i), color);
writeableBitmap.DrawLine((int)((writeableBitmap.Width / 10) * i), 0,
(int)((writeableBitmap.Width / 10) * i),
(int)writeableBitmap.Height, color);
}
writeableBitmap.SetPixel((int)(writeableBitmap.Width / 2), (int)(writeableBitmap.Height / 2), 128,
Colors.Red);
}
break;
case 3:
{
writeableBitmap.DrawLineDDA(0, 0, (int)writeableBitmap.Width,
(int)writeableBitmap.Height, color);
writeableBitmap.DrawLineDDA(0, (int)writeableBitmap.Height,
(int)writeableBitmap.Width, 0, color);
writeableBitmap.SetPixel((int)(writeableBitmap.Width / 2), (int)(writeableBitmap.Height / 2), 128,
Colors.Red);
}
break;
case 4:
{
writeableBitmap.DrawLineDDA(0, (int)(writeableBitmap.Height / 2), (int)writeableBitmap.Width,
(int)(writeableBitmap.Height / 2), color);
writeableBitmap.DrawLineDDA((int)(writeableBitmap.Width / 2), 0,
(int)(writeableBitmap.Width / 2), (int)writeableBitmap.Height, color);
writeableBitmap.SetPixel((int)(writeableBitmap.Width / 2), (int)(writeableBitmap.Height / 2), 128,
Colors.Red);
}
break;
default:
break;
}
if (ShowRuler && NoSettingArea)
{
int x1 = writeableBitmap.PixelWidth * (HorizontalMin) / 1000;
int x2 = writeableBitmap.PixelWidth * (HorizontalMin+HorizontalMax) / 1000;
int y2 = writeableBitmap.PixelHeight * (VerticalMin+VerticalMax) / 1000;
int y1 = writeableBitmap.PixelHeight * VerticalMin / 1000;
writeableBitmap.FillRectangle2(0, 0, writeableBitmap.PixelWidth, writeableBitmap.PixelHeight, System.Windows.Media.Color.FromArgb(128, 128, 128, 128));
writeableBitmap.FillRectangleDeBlend(x1, y1, x2, y2, System.Windows.Media.Color.FromArgb(128, 128, 128, 128));
writeableBitmap.DrawRectangle(x1, y1, x2, y2, color);
}
}示例3: DrawFocusPoint
private void DrawFocusPoint(WriteableBitmap bitmap, bool fill=false)
{
try
{
if (LiveViewData == null)
return;
double xt = bitmap.Width / LiveViewData.ImageWidth;
double yt = bitmap.Height / LiveViewData.ImageHeight;
if (fill)
{
bitmap.FillRectangle2((int) (LiveViewData.FocusX*xt - (LiveViewData.FocusFrameXSize*xt/2)),
(int) (LiveViewData.FocusY*yt - (LiveViewData.FocusFrameYSize*yt/2)),
(int) (LiveViewData.FocusX*xt + (LiveViewData.FocusFrameXSize*xt/2)),
(int) (LiveViewData.FocusY*yt + (LiveViewData.FocusFrameYSize*yt/2)),
LiveViewData.HaveFocusData
? System.Windows.Media.Color.FromArgb(0x60, 0, 0xFF, 0)
: System.Windows.Media.Color.FromArgb(0x60, 0xFF, 0, 0));
}
else
{
bitmap.DrawRectangle((int)(LiveViewData.FocusX * xt - (LiveViewData.FocusFrameXSize * xt / 2)),
(int)(LiveViewData.FocusY * yt - (LiveViewData.FocusFrameYSize * yt / 2)),
(int)(LiveViewData.FocusX * xt + (LiveViewData.FocusFrameXSize * xt / 2)),
(int)(LiveViewData.FocusY * yt + (LiveViewData.FocusFrameYSize * yt / 2)),
LiveViewData.HaveFocusData ? Colors.Green : Colors.Red);
}
}
catch (Exception exception)
{
Log.Error("Error draw helper lines", exception);
}
}示例4: DrawFocusPoint
private void DrawFocusPoint(WriteableBitmap bitmap)
{
try
{
if (LiveViewData == null)
return;
double xt = bitmap.Width / LiveViewData.ImageWidth;
double yt = bitmap.Height / LiveViewData.ImageHeight;
bitmap.DrawRectangle((int)(LiveViewData.FocusX * xt - (LiveViewData.FocusFrameXSize * xt / 2)),
(int)(LiveViewData.FocusY * yt - (LiveViewData.FocusFrameYSize * yt / 2)),
(int)(LiveViewData.FocusX * xt + (LiveViewData.FocusFrameXSize * xt / 2)),
(int)(LiveViewData.FocusY * yt + (LiveViewData.FocusFrameYSize * yt / 2)),
LiveViewData.HaveFocusData ? Colors.Green : Colors.Red);
}
catch (Exception exception)
{
Log.Error("Error draw helper lines", exception);
}
}示例5: DrawGrid
private void DrawGrid(WriteableBitmap writeableBitmap)
{
Color color = Colors.White;
color.A = 50;
if (OverlayActivated)
{
if (SelectedOverlay != null && File.Exists(SelectedOverlay))
{
if (_overlayImage == null)
{
BitmapImage bitmapSource = new BitmapImage();
bitmapSource.DecodePixelWidth = writeableBitmap.PixelWidth;
bitmapSource.BeginInit();
bitmapSource.UriSource = new Uri(SelectedOverlay);
bitmapSource.EndInit();
_overlayImage = BitmapFactory.ConvertToPbgra32Format(bitmapSource);
_overlayImage.Freeze();
}
int x = writeableBitmap.PixelWidth * OverlayScale / 100;
int y = writeableBitmap.PixelHeight * OverlayScale / 100;
int xx = writeableBitmap.PixelWidth * OverlayHorizontal / 100;
int yy = writeableBitmap.PixelWidth * OverlayVertical / 100;
writeableBitmap.Blit(
new Rect(0 + (x / 2) + xx, 0 + (y / 2) + yy, writeableBitmap.PixelWidth - x,
writeableBitmap.PixelHeight - y),
_overlayImage,
new Rect(0, 0, _overlayImage.PixelWidth, _overlayImage.PixelHeight));
}
}
switch (GridType)
{
case 1:
{
for (int i = 1; i < 3; i++)
{
writeableBitmap.DrawLine(0, (int) ((writeableBitmap.Height/3)*i),
(int) writeableBitmap.Width,
(int) ((writeableBitmap.Height/3)*i), color);
writeableBitmap.DrawLine((int) ((writeableBitmap.Width/3)*i), 0,
(int) ((writeableBitmap.Width/3)*i),
(int) writeableBitmap.Height, color);
}
writeableBitmap.SetPixel((int) (writeableBitmap.Width/2), (int) (writeableBitmap.Height/2), 128,
Colors.Red);
}
break;
case 2:
{
for (int i = 1; i < 10; i++)
{
writeableBitmap.DrawLine(0, (int) ((writeableBitmap.Height/10)*i),
(int) writeableBitmap.Width,
(int) ((writeableBitmap.Height/10)*i), color);
writeableBitmap.DrawLine((int) ((writeableBitmap.Width/10)*i), 0,
(int) ((writeableBitmap.Width/10)*i),
(int) writeableBitmap.Height, color);
}
writeableBitmap.SetPixel((int) (writeableBitmap.Width/2), (int) (writeableBitmap.Height/2), 128,
Colors.Red);
}
break;
case 3:
{
writeableBitmap.DrawLineDDA(0, 0, (int) writeableBitmap.Width,
(int) writeableBitmap.Height, color);
writeableBitmap.DrawLineDDA(0, (int) writeableBitmap.Height,
(int) writeableBitmap.Width, 0, color);
writeableBitmap.SetPixel((int) (writeableBitmap.Width/2), (int) (writeableBitmap.Height/2), 128,
Colors.Red);
}
break;
case 4:
{
writeableBitmap.DrawLineDDA(0, (int) (writeableBitmap.Height/2), (int) writeableBitmap.Width,
(int) (writeableBitmap.Height/2), color);
writeableBitmap.DrawLineDDA((int) (writeableBitmap.Width/2), 0,
(int) (writeableBitmap.Width/2), (int) writeableBitmap.Height, color);
writeableBitmap.SetPixel((int) (writeableBitmap.Width/2), (int) (writeableBitmap.Height/2), 128,
Colors.Red);
}
break;
default:
break;
}
if (ShowRuler)
{
int x1 = writeableBitmap.PixelWidth*HorizontalMin/100;
int x2 = writeableBitmap.PixelWidth*HorizontalMax/100;
int y2 = writeableBitmap.PixelHeight*(100-VerticalMin)/100;
int y1 = writeableBitmap.PixelHeight*(100-VerticalMax)/100;
FillRectangle2(writeableBitmap, 0, 0, writeableBitmap.PixelWidth, writeableBitmap.PixelHeight, Color.FromArgb(128, 128, 128, 128));
FillRectangleDeBlend(writeableBitmap, x1, y1, x2, y2, Color.FromArgb(128, 128, 128, 128));
writeableBitmap.DrawRectangle( x1, y1, x2, y2, color);
//.........这里部分代码省略.........
示例6: DrawGrid
private void DrawGrid(WriteableBitmap writeableBitmap)
{
Color color = Colors.White;
color.A = 50;
if (ShowRuler && NoSettingArea)
{
int x1 = writeableBitmap.PixelWidth * (HorizontalMin) / 1000;
int x2 = writeableBitmap.PixelWidth * (HorizontalMin + HorizontalMax) / 1000;
int y2 = writeableBitmap.PixelHeight * (VerticalMin + VerticalMax) / 1000;
int y1 = writeableBitmap.PixelHeight * VerticalMin / 1000;
writeableBitmap.FillRectangle2(0, 0, writeableBitmap.PixelWidth, writeableBitmap.PixelHeight, Color.FromArgb(128, 128, 128, 128));
writeableBitmap.FillRectangleDeBlend(x1, y1, x2, y2, Color.FromArgb(128, 128, 128, 128));
writeableBitmap.DrawRectangle(x1, y1, x2, y2, color);
}
}