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Diffstat (limited to 'src/tkbltGrMisc.h')
-rw-r--r-- | src/tkbltGrMisc.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/tkbltGrMisc.h b/src/tkbltGrMisc.h new file mode 100644 index 0000000..b7c521f --- /dev/null +++ b/src/tkbltGrMisc.h @@ -0,0 +1,109 @@ +/* + * Smithsonian Astrophysical Observatory, Cambridge, MA, USA + * This code has been modified under the terms listed below and is made + * available under the same terms. + */ + +/* + * 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 __BltGrMisc_h__ +#define __BltGrMisc_h__ + +#include <iostream> +#include <sstream> +#include <iomanip> +using namespace std; + +#include <tk.h> + +#ifndef MIN +# define MIN(x,y) ((x)<(y)?(x):(y)) +#endif + +#ifndef MAX +# define MAX(x,y) ((x)>(y)?(x):(y)) +#endif + +#define GRAPH_DELETED (1<<1) +#define REDRAW_PENDING (1<<2) +#define FOCUS (1<<3) + +#define MAP_ITEM (1<<4) + +#define RESET (1<<5) +#define LAYOUT (1<<6) +#define MAP_MARKERS (1<<7) +#define CACHE (1<<8) + +#define MARGIN_NONE -1 +#define MARGIN_BOTTOM 0 /* x */ +#define MARGIN_LEFT 1 /* y */ +#define MARGIN_TOP 2 /* x2 */ +#define MARGIN_RIGHT 3 /* y2 */ + +#define LineIsDashed(d) ((d).values[0] != 0) + +namespace Blt { + class Graph; + + typedef struct { + double x; + double y; + } Point2d; + + typedef struct { + Point2d p; + Point2d q; + } Segment2d; + + typedef struct { + double left; + double right; + double top; + double bottom; + } Region2d; + + typedef enum { + CID_NONE, CID_AXIS_X, CID_AXIS_Y, CID_ELEM_BAR, CID_ELEM_LINE, + CID_MARKER_BITMAP, CID_MARKER_IMAGE, CID_MARKER_LINE, CID_MARKER_POLYGON, + CID_MARKER_TEXT + } ClassId; + + typedef struct { + unsigned char values[12]; + int offset; + } Dashes; + + extern char* dupstr(const char*); + extern Graph* getGraphFromWindowData(Tk_Window tkwin); + + extern int pointInPolygon(Point2d *samplePtr, Point2d *screenPts, + int nScreenPts); + extern int polyRectClip(Region2d *extsPtr, Point2d *inputPts, + int nInputPts, Point2d *outputPts); + extern int lineRectClip(Region2d *regionPtr, Point2d *p, Point2d *q); + extern Point2d getProjection (int x, int y, Point2d *p, Point2d *q); +}; + +#endif |