| '\" |
| '\" iwidgets::canvasprintbox (c) 1995 Tako Schotanus |
| '\" |
| '\" See the file "license.terms" for information on usage and redistribution |
| '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
| '\" |
| '\" |
| '\" The definitions below are for supplemental macros used in Tcl/Tk |
| '\" manual entries. |
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| .HS iwidgets::canvasprintbox iwid |
| .BS |
| '\" Note: do not modify the .SH NAME line immediately below! |
| .SH NAME |
| iwidgets::canvasprintbox \- Create and manipulate a canvas print box widget |
| .SH SYNOPSIS |
| \fBiwidgets::canvasprintbox\fI \fIpathName \fR?\fIoptions\fR? |
| .SH "INHERITANCE" |
| itk::Widget <- iwidgets::Canvasprintbox |
| .SH "STANDARD OPTIONS" |
| .LP |
| .nf |
| .ta 4c 8c 12c |
| \fB |
| activeBackground background borderWidth cursor |
| foreground highlightBackground highlightColor highlightThickness |
| insertBackground insertBorderWidth insertOffTime insertOnTime |
| insertWidth relief repeatDelay repeatInterval |
| selectBackground selectBorderWidth selectForeground\fR |
| .fi |
| .LP |
| See the "options" manual entry for details on the standard options. |
| .SH "ASSOCIATED OPTIONS" |
| .IP |
| .LP |
| .SH "WIDGET-SPECIFIC OPTIONS" |
| .LP |
| .nf |
| Name: \fBfilename\fR |
| Class: \fBFileName\fR |
| Command-Line Switch: \fB-filename\fR |
| .fi |
| .IP |
| The file to write the postscript output to (Only when output |
| is set to "file"). If posterizing is turned on and \fBhpagecnt\fR |
| and/or \fBvpagecnt\fR is more than 1, x.y is appended to the filename |
| where x is the horizontal page number and y the vertical page number. |
| .LP |
| .nf |
| Name: \fBhpagecnt\fR |
| Class: \fBPageCnt\fR |
| Command-Line Switch: \fB-hpagecnt\fR |
| .fi |
| .IP |
| Is used in combination with \fBposterize\fR to determine over |
| how many pages the output should be distributed. This |
| attribute specifies how many pages should be used horizontaly. |
| Any change to this attribute will automatically update the "stamp". |
| Defaults to 1. |
| .LP |
| .nf |
| Name: \fBorient\fR |
| Class: \fBOrient\fR |
| Command-Line Switch: \fB-orient\fR |
| .fi |
| .IP |
| Determines the orientation of the output to the printer (or file). |
| It can take the value "portrait" or "landscape" (default). Changes |
| to this attribute will be reflected immediately in the "stamp". |
| Defaults to "landscape" but will be changed automaticaly to the value |
| deemed appropiate for the current canvas. Setting this attribute |
| when the canvasprintbox is first constructed (instead of using the |
| "configure" method) will turn off the auto adjustment of this attribute. |
| .LP |
| .nf |
| Name: \fBoutput\fR |
| Class: \fBOutput\fR |
| Command-Line Switch: \fB-output\fR |
| .fi |
| .IP |
| Specifies where the postscript output should go: to the printer |
| or to a file. Can take on the values "printer" or "file". |
| The corresponding entry-widget will reflect the contents of |
| either the \fBprintcmd\fR attribute or the \fBfilename\fR attribute. |
| Defaults to "printer". |
| .LP |
| .nf |
| Name: \fBpageSize\fR |
| Class: \fBPageSize\fR |
| Command-Line Switch: \fB-pagesize\fR |
| .fi |
| .IP |
| The pagesize the printer supports. Changes to this attribute |
| will be reflected immediately in the "stamp". |
| Defaults to "a4". |
| .LP |
| .nf |
| Name: \fBposterize\fR |
| Class: \fBPosterize\fR |
| Command-Line Switch: \fB-posterize\fR |
| .fi |
| .IP |
| Indicates if posterizing is turned on or not. Posterizing |
| the output means that it is possible to distribute the |
| output over more than one page. This way it is possible to |
| print a canvas/region which is larger than the specified |
| pagesize without stretching. If used in combination with |
| stretching it can be used to "blow up" the contents of a |
| canvas to as large as size as you want (See attributes: |
| hpagecnt and vpagecnt). Any change to this attribute will |
| automatically update the "stamp". |
| Defaults to 0. |
| .LP |
| .nf |
| Name: \fBprintCmd\fR |
| Class: \fBPrintCmd\fR |
| Command-Line Switch: \fB-printcmd\fR |
| .fi |
| .IP |
| The command to execute when printing the postscript output. |
| The command will get the postscript directed to its standard |
| input (Only when output is set to "printer"). |
| Defaults to "lpr". |
| .LP |
| .nf |
| Name: \fBprintRegion\fR |
| Class: \fBPrintRegion\fR |
| Command-Line Switch: \fB-printregion\fR |
| .fi |
| .IP |
| A list of four coordinates specifying which part of the canvas to print. |
| An empty list means that the canvas' entire \fBscrollregion\fR should be |
| printed. Any change to this attribute will automatically update the "stamp". |
| Defaults to an empty list. |
| .LP |
| .nf |
| Name: \fBstretch\fR |
| Class: \fBStretch\fR |
| Command-Line Switch: \fB-stretch\fR |
| .fi |
| .IP |
| Determines if the output should be stretched to fill the |
| page (as defined by the attribute pagesize) as large as |
| possible. The aspect-ratio of the output will be retained |
| and the output will never fall outside of the boundaries |
| of the page. |
| Defaults to 0 but will be changed automaticaly to the value |
| deemed appropiate for the current canvas. Setting this attribute |
| when the canvasprintbox is first constructed (instead of using the |
| "configure" method) will turn off the auto adjustment of this attribute. |
| .LP |
| .nf |
| Name: \fBvPageCnt\fR |
| Class: \fBPageCnt\fR |
| Command-Line Switch: \fB-vpagecnt\fR |
| .fi |
| .IP |
| Is used in combination with "posterize" to determine over |
| how many pages the output should be distributed. This |
| attribute specifies how many pages should be used verticaly. |
| Any change to this attribute will automatically update the "stamp". |
| Defaults to 1. |
| .LP |
| .BE |
| |
| .SH DESCRIPTION |
| .PP |
| Implements a print box for printing the contents of a canvas widget |
| to a printer or a file. It is possible to specify page orientation, the |
| number of pages to print the image on and if the output should be |
| stretched to fit the page. Options exist to control the appearance and |
| actions of the widget. |
| |
| .SH "METHODS" |
| .PP |
| The \fBiwidgets::canvasprintbox\fR command creates a new Tcl command whose |
| name is \fIpathName\fR. This |
| command may be used to invoke various |
| operations on the widget. It has the following general form: |
| .DS C |
| \fIpathName option \fR?\fIarg arg ...\fR? |
| .DE |
| \fIOption\fR and the \fIarg\fRs |
| determine the exact behavior of the command. The following |
| commands are possible for canvasprintbox widgets: |
| |
| .SH "WIDGET-SPECIFIC METHODS" |
| .TP |
| \fIpathName \fBcget\fR \fIoption\fR |
| Returns the current value of the configuration option given |
| by \fIoption\fR. |
| \fIOption\fR may have any of the values accepted by the \fBiwidgets::canvasprintbox\fR |
| command. |
| .TP |
| \fIpathName\fR \fBconfigure\fR ?\fIoption\fR? ?\fIvalue option value ...\fR? |
| Query or modify the configuration options of the widget. |
| If no \fIoption\fR is specified, returns a list describing all of |
| the available options for \fIpathName\fR (see \fBTk_ConfigureInfo\fR for |
| information on the format of this list). If \fIoption\fR is specified |
| with no \fIvalue\fR, then the command returns a list describing the |
| one named option (this list will be identical to the corresponding |
| sublist of the value returned if no \fIoption\fR is specified). If |
| one or more \fIoption\-value\fR pairs are specified, then the command |
| modifies the given widget option(s) to have the given value(s); in |
| this case the command returns an empty string. |
| \fIOption\fR may have any of the values accepted by the \fBiwidgets::canvasprintbox\fR |
| command. |
| .TP |
| \fIpathName\fR \fBgetoutput\fR |
| Returns the value of the \fBprintercmd\fR or \fBfilename\fR option |
| depending on the current setting of \fBoutput\fR. |
| .TP |
| \fIpathName\fR \fBprint\fR |
| Perfrom the actual printing of the canvas using the current settings of |
| all the attributes. Returns a boolean indicating wether the printing was |
| successful or not. |
| .TP |
| \fIpathName\fR \fBrefresh\fR |
| Retrieves the current value for all edit fields and updates |
| the stamp accordingly. Is useful for Apply-buttons. |
| .TP |
| \fIpathName\fR \fBsetcanvas\fR \fIcanvas\fR |
| This is used to set the \fIcanvas\fR that has to be printed. |
| A stamp-sized copy will automatically be drawn to show how the |
| output would look with the current settings. |
| .TP |
| \fIpathName \fBstop\fR |
| Stops the drawing of the "stamp". I'm currently unable to detect |
| when a Canvasprintbox gets destroyed or withdrawn. It's therefore |
| advised that you perform a stop before you do something like that. |
| .SH "COMPONENTS" |
| .LP |
| .nf |
| Name: \fBprtflentry\fR |
| Class: \fBEntry\fR |
| .fi |
| .IP |
| The prtflentry component is the entry field for user input of the |
| \fBfilename\fR or \fBprinter\fR command (depending on the value of |
| \fBoutput\fR). |
| .LP |
| .nf |
| Name: \fBhpcnt\fR |
| Class: \fBEntry\fR |
| .fi |
| .IP |
| The hpcnt component is the entry field for user input of the number of |
| pages to use horizontaly when \fBposterize\fR is turned on. |
| .fi |
| .nf |
| Name: \fBvpcnt\fR |
| Class: \fBEntry\fR |
| .fi |
| .IP |
| The vpcnt component is the entry field for user input of the number of |
| pages to use verticaly when \fBposterize\fR is turned on. |
| .fi |
| |
| .SH EXAMPLE |
| .DS |
| package require Iwidgets 4.0 |
| iwidgets::canvasprintbox .fsb -orient landscape -stretch 1 |
| pack .fsb -padx 10 -pady 10 -fill both -expand yes |
| .DE |
| .SH AUTHOR |
| Tako Schotanus |
| .LP |
| Tako.Schotanus@bouw.tno.nl |
| .SH KEYWORDS |
| canvasprintbox, widget |