Graphics.DrawImageUnscaled Graphics.DrawImageUnscaled Graphics.DrawImageUnscaled Method

Definition

Draws the specified image using its original physical size at the location specified by a coordinate pair.

Overloads

DrawImageUnscaled(Image, Int32, Int32, Int32, Int32) DrawImageUnscaled(Image, Int32, Int32, Int32, Int32) DrawImageUnscaled(Image, Int32, Int32, Int32, Int32)

Draws a specified image using its original physical size at a specified location.

DrawImageUnscaled(Image, Int32, Int32) DrawImageUnscaled(Image, Int32, Int32) DrawImageUnscaled(Image, Int32, Int32)

Draws the specified image using its original physical size at the location specified by a coordinate pair.

DrawImageUnscaled(Image, Point) DrawImageUnscaled(Image, Point) DrawImageUnscaled(Image, Point)

Draws a specified image using its original physical size at a specified location.

DrawImageUnscaled(Image, Rectangle) DrawImageUnscaled(Image, Rectangle) DrawImageUnscaled(Image, Rectangle)

Draws a specified image using its original physical size at a specified location.

DrawImageUnscaled(Image, Int32, Int32, Int32, Int32) DrawImageUnscaled(Image, Int32, Int32, Int32, Int32) DrawImageUnscaled(Image, Int32, Int32, Int32, Int32)

Draws a specified image using its original physical size at a specified location.

public:
 void DrawImageUnscaled(System::Drawing::Image ^ image, int x, int y, int width, int height);
public void DrawImageUnscaled (System.Drawing.Image image, int x, int y, int width, int height);
member this.DrawImageUnscaled : System.Drawing.Image * int * int * int * int -> unit

Parameters

image
Image Image Image

Image to draw.

x
Int32 Int32 Int32

The x-coordinate of the upper-left corner of the drawn image.

y
Int32 Int32 Int32

The y-coordinate of the upper-left corner of the drawn image.

width
Int32 Int32 Int32

Not used.

height
Int32 Int32 Int32

Not used.

Exceptions

Remarks

An Image stores a value for pixel width and a value for horizontal resolution (dots per inch). The physical width, measured in inches, of an image is the pixel width divided by the horizontal resolution. For example, an image with a pixel width of 216 and a horizontal resolution of 72 dots per inch has a physical width of 3 inches. Similar remarks apply to pixel height and physical height.

The DrawImageUnscaled method draws an image using its physical size, so the image will have its correct size in inches regardless of the resolution (dots per inch) of the display device. For example, suppose an image has a pixel width of 216 and a horizontal resolution of 72 dots per inch. If you call DrawImageUnscaled to draw that image on a device that has a resolution of 96 dots per inch, the pixel width of the rendered image will be (216/72)*96 = 288.

DrawImageUnscaled(Image, Int32, Int32) DrawImageUnscaled(Image, Int32, Int32) DrawImageUnscaled(Image, Int32, Int32)

Draws the specified image using its original physical size at the location specified by a coordinate pair.

public:
 void DrawImageUnscaled(System::Drawing::Image ^ image, int x, int y);
public void DrawImageUnscaled (System.Drawing.Image image, int x, int y);
member this.DrawImageUnscaled : System.Drawing.Image * int * int -> unit

Parameters

image
Image Image Image

Image to draw.

x
Int32 Int32 Int32

The x-coordinate of the upper-left corner of the drawn image.

y
Int32 Int32 Int32

The y-coordinate of the upper-left corner of the drawn image.

Exceptions

Examples

The following code example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler. The code performs the following actions:

  • Creates an image from a JPEG file, SampImag.jpg, in the folder of the example.

  • Creates a point at which to draw the upper-left corner of the image.

  • Draws the entire image using its physical size.

public:
   void DrawImageUnscaledInt( PaintEventArgs^ e )
   {
      // Create image.
      Image^ newImage = Image::FromFile( "SampImag.jpg" );

      // Create coordinates for upper-left corner of image.
      int x = 100;
      int y = 100;

      // Draw image to screen.
      e->Graphics->DrawImageUnscaled( newImage, x, y );
   }
public void DrawImageUnscaledInt(PaintEventArgs e)
{
             
    // Create image.
    Image newImage = Image.FromFile("SampImag.jpg");
             
    // Create coordinates for upper-left corner of image.
    int x = 100;
    int y = 100;
             
    // Draw image to screen.
    e.Graphics.DrawImageUnscaled(newImage, x, y);
}
Public Sub DrawImageUnscaledInt(ByVal e As PaintEventArgs)

    ' Create image.
    Dim newImage As Image = Image.FromFile("SampImag.jpg")

    ' Create coordinates for upper-left corner of image.
    Dim x As Integer = 100
    Dim y As Integer = 100

    ' Draw image to screen.
    e.Graphics.DrawImageUnscaled(newImage, x, y)
End Sub

Remarks

An Image stores a value for pixel width and a value for horizontal resolution (dots per inch). The physical width, measured in inches, of an image is the pixel width divided by the horizontal resolution. For example, an image with a pixel width of 216 and a horizontal resolution of 72 dots per inch has a physical width of 3 inches. Similar remarks apply to pixel height and physical height.

The DrawImageUnscaled method draws an image using its physical size, so the image will have its correct size in inches regardless of the resolution (dots per inch) of the display device. For example, suppose an image has a pixel width of 216 and a horizontal resolution of 72 dots per inch. If you call DrawImageUnscaled to draw that image on a device that has a resolution of 96 dots per inch, the pixel width of the rendered image will be (216/72)*96 = 288.

DrawImageUnscaled(Image, Point) DrawImageUnscaled(Image, Point) DrawImageUnscaled(Image, Point)

Draws a specified image using its original physical size at a specified location.

public:
 void DrawImageUnscaled(System::Drawing::Image ^ image, System::Drawing::Point point);
public void DrawImageUnscaled (System.Drawing.Image image, System.Drawing.Point point);
member this.DrawImageUnscaled : System.Drawing.Image * System.Drawing.Point -> unit

Parameters

image
Image Image Image

Image to draw.

point
Point Point Point

Point structure that specifies the upper-left corner of the drawn image.

Exceptions

Examples

The following code example is designed for use with Windows Forms, and it requires PaintEventArgse, which is a parameter of the Paint event handler. The code performs the following actions:

  • Creates an image from a JPEG file SampImag.jpg in the folder of the example.

  • Creates a point at which to draw the upper-left corner of the image.

  • Draws the entire image using its physical size.

public:
   void DrawImageUnscaledPoint( PaintEventArgs^ e )
   {
      // Create image.
      Image^ newImage = Image::FromFile( "SampImag.jpg" );

      // Create point for upper-left corner of image.
      Point ulCorner = Point(100,100);

      // Draw image to screen.
      e->Graphics->DrawImageUnscaled( newImage, ulCorner );
   }
public void DrawImageUnscaledPoint(PaintEventArgs e)
{
             
    // Create image.
    Image newImage = Image.FromFile("SampImag.jpg");
             
    // Create point for upper-left corner of image.
    Point ulCorner = new Point(100, 100);
             
    // Draw image to screen.
    e.Graphics.DrawImageUnscaled(newImage, ulCorner);
}
Public Sub DrawImageUnscaledPoint(ByVal e As PaintEventArgs)

    ' Create image.
    Dim newImage As Image = Image.FromFile("SampImag.jpg")

    ' Create point for upper-left corner of image.
    Dim ulCorner As New Point(100, 100)

    ' Draw image to screen.
    e.Graphics.DrawImageUnscaled(newImage, ulCorner)
End Sub

Remarks

An Image stores a value for pixel width and a value for horizontal resolution (dots per inch). The physical width, measured in inches, of an image is the pixel width divided by the horizontal resolution. For example, an image with a pixel width of 216 and a horizontal resolution of 72 dots per inch has a physical width of 3 inches. Similar remarks apply to pixel height and physical height.

The DrawImageUnscaled method draws an image using its physical size, so the image will have its correct size in inches regardless of the resolution (dots per inch) of the display device. For example, suppose an image has a pixel width of 216 and a horizontal resolution of 72 dots per inch. If you call DrawImageUnscaled to draw that image on a device that has a resolution of 96 dots per inch, the pixel width of the rendered image will be (216/72)*96 = 288.

DrawImageUnscaled(Image, Rectangle) DrawImageUnscaled(Image, Rectangle) DrawImageUnscaled(Image, Rectangle)

Draws a specified image using its original physical size at a specified location.

public:
 void DrawImageUnscaled(System::Drawing::Image ^ image, System::Drawing::Rectangle rect);
public void DrawImageUnscaled (System.Drawing.Image image, System.Drawing.Rectangle rect);
member this.DrawImageUnscaled : System.Drawing.Image * System.Drawing.Rectangle -> unit

Parameters

image
Image Image Image

Image to draw.

rect
Rectangle Rectangle Rectangle

Rectangle that specifies the upper-left corner of the drawn image. The X and Y properties of the rectangle specify the upper-left corner. The Width and Height properties are ignored.

Exceptions

Remarks

An Image stores a value for pixel width and a value for horizontal resolution (dots per inch). The physical width, measured in inches, of an image is the pixel width divided by the horizontal resolution. For example, an image with a pixel width of 216 and a horizontal resolution of 72 dots per inch has a physical width of 3 inches. Similar remarks apply to pixel height and physical height.

The DrawImageUnscaled method draws an image using its physical size, so the image will have its correct size in inches regardless of the resolution (dots per inch) of the display device. For example, suppose an image has a pixel width of 216 and a horizontal resolution of 72 dots per inch. If you call DrawImageUnscaled to draw that image on a device that has a resolution of 96 dots per inch, the pixel width of the rendered image will be (216/72)*96 = 288.

Applies to