Tcl/Tk in a Nutshell

Name

bitmap

bitmap operation bitmapName [arg arg...]

Create or return information about a bitmap created using inline Tcl code. The following operations are defined:

bitmap compose bitmapName text [option value...]

Create a new bitmap from a text string and associate it with the name bitmapName. The bitmap is defined by the text in the parameter text. The following options are available:

-font fontName

Specify the font to use when drawing text in the bitmap.

-rotate theta

Rotate the bitmap by theta degrees.

-scale value

Scale the bitmap by the factor of floating-point number value.

bitmap data bitmapName

Return a list of the bitmap data. The first element is a list of the height and width, the second is a list of the source data.

bitmap define bitmapName data [option value...]

Create a new bitmap and associate it with the name bitmapName. The bitmap is defined by parameter data, which is a list containing two elements. The first element is a list defining the height and width. The second element is a list of the source data.

The following options are available:

-rotate theta

Rotate the bitmap by theta degrees.

-scale value

Scale the bitmap by the factor of floating-point number value.

bitmap exists bitmapName

Return 1 if a bitmap named bitmapName exists; otherwise, return 0.

bitmap height bitmapName

Return the height of a bitmap in pixels.

bitmap source bitmapName

Return the source data for a bitmap as a list of hexadecimal values.

bitmap width bitmapName

Return the width of a bitmap in pixels.

Example

bitmap ...