[OpenSPARC-T2-SAM] / sam-t2 / devtools / v8plus / man / man3 / Tk_CanvasPsFont.3

'\"
'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
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'\" RCS: @(#) $Id: CanvPsY.3,v 1.5 2000/07/25 21:14:34 jenglish Exp $
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'\"	options follow on successive lines, in four columns separated
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'\" .OP cmdName dbName dbClass
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.TH Tk_CanvasPs 3 4.0 Tk "Tk Library Procedures"
.BS
.SH NAME
Tk_CanvasPsY, Tk_CanvasPsBitmap, Tk_CanvasPsColor, Tk_CanvasPsFont, Tk_CanvasPsPath, Tk_CanvasPsStipple \- utility procedures for generating Postscript for canvases
.SH SYNOPSIS
.nf
\fB#include <tk.h>\fR
.sp
double
\fBTk_CanvasPsY\fR(\fIcanvas, canvasY\fR)
.sp
int
\fBTk_CanvasPsBitmap\fR(\fIinterp, canvas, bitmap, x, y, width, height\fR)
.sp
int
\fBTk_CanvasPsColor\fR(\fIinterp, canvas, colorPtr\fR)
.sp
int
\fBTk_CanvasPsFont\fR(\fIinterp, canvas, tkFont\fR)
.sp
\fBTk_CanvasPsPath\fR(\fIinterp, canvas, coordPtr, numPoints\fR)
.sp
int
\fBTk_CanvasPsStipple\fR(\fIinterp, canvas, bitmap\fR)
.SH ARGUMENTS
.AS "unsigned int" "numPoints"
.AP Tk_Canvas canvas in
A token that identifies a canvas widget for which Postscript is
being generated.
.AP double canvasY in
Y-coordinate in the space of the canvas.
.AP Tcl_Interp *interp in/out
A Tcl interpreter;  Postscript is appended to its result, or the
result may be replaced with an error message.
.AP Pixmap bitmap in
Bitmap to use for generating Postscript.
.AP int x in
X-coordinate within \fIbitmap\fR of left edge of region to output.
.AP int y in
Y-coordinate within \fIbitmap\fR of top edge of region to output.
.AP "int" width in
Width of region of bitmap to output, in pixels.
.AP "int" height in
Height of region of bitmap to output, in pixels.
.AP XColor *colorPtr in
Information about color value to set in Postscript.
.AP Tk_Font tkFont in
Font for which Postscript is to be generated.
.AP double *coordPtr in
Pointer to an array of coordinates for one or more
points specified in canvas coordinates.
The order of values in \fIcoordPtr\fR is x1, y1, x2, y2, x3, y3,
and so on.
.AP int numPoints in
Number of points at \fIcoordPtr\fR.
.BE

.SH DESCRIPTION
.PP
These procedures are called by canvas type managers to carry out
common functions related to generating Postscript.
Most of the procedures take a \fIcanvas\fR argument, which
refers to a canvas widget for which Postscript is being
generated.
.PP
\fBTk_CanvasPsY\fR takes as argument a y-coordinate in the space of
a canvas and returns the value that should be used for that point
in the Postscript currently being generated for \fIcanvas\fR.
Y coordinates require transformation because Postscript uses an
origin at the lower-left corner whereas X uses an origin at the
upper-left corner.
Canvas x coordinates can be used directly in Postscript without
transformation.
.PP
\fBTk_CanvasPsBitmap\fR generates Postscript to describe a region
of a bitmap.
The Postscript is generated in proper image data format for Postscript,
i.e., as data between angle brackets, one bit per pixel.
The Postscript is appended to \fIinterp->result\fR and TCL_OK is returned
unless an error occurs, in which case TCL_ERROR is returned and
\fIinterp->result\fR is overwritten with an error message.
.PP
\fBTk_CanvasPsColor\fR generates Postscript to set the current color
to correspond to its \fIcolorPtr\fR argument, taking into account any
color map specified in the \fBpostscript\fR command.
It appends the Postscript to \fIinterp->result\fR and returns
TCL_OK unless an error occurs, in which case TCL_ERROR is returned and
\fIinterp->result\fR is overwritten with an error message.
.PP
\fBTk_CanvasPsFont\fR generates Postscript that sets the current font
to match \fItkFont\fR as closely as possible.
\fBTk_CanvasPsFont\fR takes into account any font map specified
in the \fBpostscript\fR command, and it does
the best it can at mapping X fonts to Postscript fonts.
It appends the Postscript to \fIinterp->result\fR and returns TCL_OK
unless an error occurs, in which case TCL_ERROR is returned and
\fIinterp->result\fR is overwritten with an error message.
.PP
\fBTk_CanvasPsPath\fR generates Postscript to set the current path
to the set of points given by \fIcoordPtr\fR and \fInumPoints\fR.
It appends the resulting Postscript to \fIinterp->result\fR.
.PP
\fBTk_CanvasPsStipple\fR generates Postscript that will fill the
current path in stippled fashion.
It uses \fIbitmap\fR as the stipple pattern and the current Postscript
color;  ones in the stipple bitmap are drawn in the current color, and
zeroes are not drawn at all.
The Postscript is appended to \fIinterp->result\fR and TCL_OK is
returned, unless an error occurs, in which case TCL_ERROR is returned and
\fIinterp->result\fR is overwritten with an error message.

.SH KEYWORDS
bitmap, canvas, color, font, path, Postscript, stipple
Commit	Line	Data
920dae64 AT	1	'\"
	2	'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
	3	'\"
	4	'\" See the file "license.terms" for information on usage and redistribution
	5	'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
	6	'\"
	7	'\" RCS: @(#) $Id: CanvPsY.3,v 1.5 2000/07/25 21:14:34 jenglish Exp $
	8	'\"
	9	'\" The definitions below are for supplemental macros used in Tcl/Tk
	10	'\" manual entries.
	11	'\"
	12	'\" .AP type name in/out ?indent?
	13	'\" Start paragraph describing an argument to a library procedure.
	14	'\" type is type of argument (int, etc.), in/out is either "in", "out",
	15	'\" or "in/out" to describe whether procedure reads or modifies arg,
	16	'\" and indent is equivalent to second arg of .IP (shouldn't ever be
	17	'\" needed; use .AS below instead)
	18	'\"
	19	'\" .AS ?type? ?name?
	20	'\" Give maximum sizes of arguments for setting tab stops. Type and
	21	'\" name are examples of largest possible arguments that will be passed
	22	'\" to .AP later. If args are omitted, default tab stops are used.
	23	'\"
	24	'\" .BS
	25	'\" Start box enclosure. From here until next .BE, everything will be
	26	'\" enclosed in one large box.
	27	'\"
	28	'\" .BE
	29	'\" End of box enclosure.
	30	'\"
	31	'\" .CS
	32	'\" Begin code excerpt.
	33	'\"
	34	'\" .CE
	35	'\" End code excerpt.
	36	'\"
	37	'\" .VS ?version? ?br?
	38	'\" Begin vertical sidebar, for use in marking newly-changed parts
	39	'\" of man pages. The first argument is ignored and used for recording
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	41	'\" found and removed when they reach a certain age. If another argument
	42	'\" is present, then a line break is forced before starting the sidebar.
	43	'\"
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	45	'\" End of vertical sidebar.
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	55	'\" options follow on successive lines, in four columns separated
	56	'\" by tabs.
	57	'\"
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	59	'\" End of list of standard options for a Tk widget.
	60	'\"
	61	'\" .OP cmdName dbName dbClass
	62	'\" Start of description of a specific option. cmdName gives the
	63	'\" option's name as specified in the class command, dbName gives
	64	'\" the option's name in the option database, and dbClass gives
65	'\" the option's class in the option database.
66	'\"
67	'\" .UL arg1 arg2
68	'\" Print arg1 underlined, then print arg2 normally.
69	'\"
70	'\" RCS: @(#) $Id: man.macros,v 1.4 2000/08/25 06:18:32 ericm Exp $
71	'\"
72	'\" # Set up traps and other miscellaneous stuff for Tcl/Tk man pages.
73	.if t .wh -1.3i ^B
74	.nr ^l \n(.l
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76	'\" # Start an argument description
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78	.ie !"\\$4"" .TP \\$4
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176	.el \h'-1.5n'\L'\|\\n(^yu-1v'\h'\\n(^lu+3n'\L'\\n(^tu+1v-\\n(^yu'\h'\|0u'\c
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218	See the \\fBoptions\\fR manual entry for details on the standard options.
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226	Database Name: \\fB\\$2\\fR
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242	.de UL
243	\\$1\l'\|0\(ul'\\$2
244	..
245	.TH Tk_CanvasPs 3 4.0 Tk "Tk Library Procedures"
246	.BS
247	.SH NAME
248	Tk_CanvasPsY, Tk_CanvasPsBitmap, Tk_CanvasPsColor, Tk_CanvasPsFont, Tk_CanvasPsPath, Tk_CanvasPsStipple \- utility procedures for generating Postscript for canvases
249	.SH SYNOPSIS
250	.nf
251	\fB#include <tk.h>\fR
252	.sp
253	double
254	\fBTk_CanvasPsY\fR(\fIcanvas, canvasY\fR)
255	.sp
256	int
257	\fBTk_CanvasPsBitmap\fR(\fIinterp, canvas, bitmap, x, y, width, height\fR)
258	.sp
259	int
260	\fBTk_CanvasPsColor\fR(\fIinterp, canvas, colorPtr\fR)
261	.sp
262	int
263	\fBTk_CanvasPsFont\fR(\fIinterp, canvas, tkFont\fR)
264	.sp
265	\fBTk_CanvasPsPath\fR(\fIinterp, canvas, coordPtr, numPoints\fR)
266	.sp
267	int
268	\fBTk_CanvasPsStipple\fR(\fIinterp, canvas, bitmap\fR)
269	.SH ARGUMENTS
270	.AS "unsigned int" "numPoints"
271	.AP Tk_Canvas canvas in
272	A token that identifies a canvas widget for which Postscript is
273	being generated.
274	.AP double canvasY in
275	Y-coordinate in the space of the canvas.
276	.AP Tcl_Interp *interp in/out
277	A Tcl interpreter; Postscript is appended to its result, or the
278	result may be replaced with an error message.
279	.AP Pixmap bitmap in
280	Bitmap to use for generating Postscript.
281	.AP int x in
282	X-coordinate within \fIbitmap\fR of left edge of region to output.
283	.AP int y in
284	Y-coordinate within \fIbitmap\fR of top edge of region to output.
285	.AP "int" width in
286	Width of region of bitmap to output, in pixels.
287	.AP "int" height in
288	Height of region of bitmap to output, in pixels.
289	.AP XColor *colorPtr in
290	Information about color value to set in Postscript.
291	.AP Tk_Font tkFont in
292	Font for which Postscript is to be generated.
293	.AP double *coordPtr in
294	Pointer to an array of coordinates for one or more
295	points specified in canvas coordinates.
296	The order of values in \fIcoordPtr\fR is x1, y1, x2, y2, x3, y3,
297	and so on.
298	.AP int numPoints in
299	Number of points at \fIcoordPtr\fR.
300	.BE
301
302	.SH DESCRIPTION
303	.PP
304	These procedures are called by canvas type managers to carry out
305	common functions related to generating Postscript.
306	Most of the procedures take a \fIcanvas\fR argument, which
307	refers to a canvas widget for which Postscript is being
308	generated.
309	.PP
310	\fBTk_CanvasPsY\fR takes as argument a y-coordinate in the space of
311	a canvas and returns the value that should be used for that point
312	in the Postscript currently being generated for \fIcanvas\fR.
313	Y coordinates require transformation because Postscript uses an
314	origin at the lower-left corner whereas X uses an origin at the
315	upper-left corner.
316	Canvas x coordinates can be used directly in Postscript without
317	transformation.
318	.PP
319	\fBTk_CanvasPsBitmap\fR generates Postscript to describe a region
320	of a bitmap.
321	The Postscript is generated in proper image data format for Postscript,
322	i.e., as data between angle brackets, one bit per pixel.
323	The Postscript is appended to \fIinterp->result\fR and TCL_OK is returned
324	unless an error occurs, in which case TCL_ERROR is returned and
325	\fIinterp->result\fR is overwritten with an error message.
326	.PP
327	\fBTk_CanvasPsColor\fR generates Postscript to set the current color
328	to correspond to its \fIcolorPtr\fR argument, taking into account any
329	color map specified in the \fBpostscript\fR command.
330	It appends the Postscript to \fIinterp->result\fR and returns
331	TCL_OK unless an error occurs, in which case TCL_ERROR is returned and
332	\fIinterp->result\fR is overwritten with an error message.
333	.PP
334	\fBTk_CanvasPsFont\fR generates Postscript that sets the current font
335	to match \fItkFont\fR as closely as possible.
336	\fBTk_CanvasPsFont\fR takes into account any font map specified
337	in the \fBpostscript\fR command, and it does
338	the best it can at mapping X fonts to Postscript fonts.
339	It appends the Postscript to \fIinterp->result\fR and returns TCL_OK
340	unless an error occurs, in which case TCL_ERROR is returned and
341	\fIinterp->result\fR is overwritten with an error message.
342	.PP
343	\fBTk_CanvasPsPath\fR generates Postscript to set the current path
344	to the set of points given by \fIcoordPtr\fR and \fInumPoints\fR.
345	It appends the resulting Postscript to \fIinterp->result\fR.
346	.PP
347	\fBTk_CanvasPsStipple\fR generates Postscript that will fill the
348	current path in stippled fashion.
349	It uses \fIbitmap\fR as the stipple pattern and the current Postscript
350	color; ones in the stipple bitmap are drawn in the current color, and
351	zeroes are not drawn at all.
352	The Postscript is appended to \fIinterp->result\fR and TCL_OK is
353	returned, unless an error occurs, in which case TCL_ERROR is returned and
354	\fIinterp->result\fR is overwritten with an error message.
355
356	.SH KEYWORDS
357	bitmap, canvas, color, font, path, Postscript, stipple