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/*
* Smithsonian Astrophysical Observatory, Cambridge, MA, USA
* This code has been modified under the terms listed below and is made
* available under the same terms.
*/
/*
* bltGrMarkerBitmap.c --
*
* This module implements markers for the BLT graph widget.
*
* Copyright 1993-2004 George A Howlett.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _BLT_GR_MARKER_BITMAP_H
#define _BLT_GR_MARKER_BITMAP_H
#include "bltGrMarker.h"
typedef struct {
GraphObj obj; /* Must be first field in marker. */
MarkerClass *classPtr;
Tcl_HashEntry *hashPtr;
Blt_ChainLink link;
const char* elemName; /* Element associated with marker. Let's
* you link a marker to an element. The
* marker is drawn only if the element
* is also visible. */
Axis2d axes;
Point2d *worldPts; /* Coordinate array to position
* marker. */
int nWorldPts; /* # of points in above array. */
int drawUnder; /* If non-zero, draw the marker
* underneath any elements. This can be
* a performance penalty because the
* graph must be redraw entirely each
* time the marker is redrawn. */
int clipped; /* Indicates if the marker is totally
* clipped by the plotting area. */
int hide;
unsigned int flags;
int xOffset, yOffset; /* Pixel offset from graph position */
int state;
/* Fields specific to bitmap markers. */
Pixmap srcBitmap; /* Original bitmap. May be further
* scaled or rotated. */
double reqAngle; /* Requested rotation of the bitmap */
float angle; /* Normalized rotation (0..360
* degrees) */
Tk_Anchor anchor; /* If only one X-Y coordinate is given,
* indicates how to translate the given
* marker position. Otherwise, if there
* are two X-Y coordinates, then this
* value is ignored. */
Point2d anchorPt; /* Translated anchor point. */
XColor *outlineColor; /* Foreground color */
XColor* fillColor; /* Background color */
GC gc; /* Private graphic context */
GC fillGC; /* Shared graphic context */
Pixmap destBitmap; /* Bitmap to be drawn. */
int destWidth, destHeight; /* Dimensions of the final bitmap */
Point2d outline[MAX_OUTLINE_POINTS];/* Polygon representing the background
* of the bitmap. */
int nOutlinePts;
} BitmapMarker;
extern MarkerCreateProc Blt_CreateBitmapProc;
#endif
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