svn-gvsig-desktop / tags / v1_0_2_Build_915 / libraries / libFMap / src / com / iver / cit / gvsig / fmap / core / ISymbol.java @ 12217
History | View | Annotate | Download (4.17 KB)
1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
|
4 |
*
|
5 |
* This program is free software; you can redistribute it and/or
|
6 |
* modify it under the terms of the GNU General Public License
|
7 |
* as published by the Free Software Foundation; either version 2
|
8 |
* of the License, or (at your option) any later version.
|
9 |
*
|
10 |
* This program is distributed in the hope that it will be useful,
|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
13 |
* GNU General Public License for more details.
|
14 |
*
|
15 |
* You should have received a copy of the GNU General Public License
|
16 |
* along with this program; if not, write to the Free Software
|
17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
18 |
*
|
19 |
* For more information, contact:
|
20 |
*
|
21 |
* Generalitat Valenciana
|
22 |
* Conselleria d'Infraestructures i Transport
|
23 |
* Av. Blasco Ib??ez, 50
|
24 |
* 46010 VALENCIA
|
25 |
* SPAIN
|
26 |
*
|
27 |
* +34 963862235
|
28 |
* gvsig@gva.es
|
29 |
* www.gvsig.gva.es
|
30 |
*
|
31 |
* or
|
32 |
*
|
33 |
* IVER T.I. S.A
|
34 |
* Salamanca 50
|
35 |
* 46005 Valencia
|
36 |
* Spain
|
37 |
*
|
38 |
* +34 963163400
|
39 |
* dac@iver.es
|
40 |
*/
|
41 |
package com.iver.cit.gvsig.fmap.core; |
42 |
|
43 |
import java.awt.Graphics2D; |
44 |
import java.awt.Rectangle; |
45 |
import java.awt.Shape; |
46 |
import java.awt.geom.AffineTransform; |
47 |
|
48 |
import javax.print.attribute.PrintRequestAttributeSet; |
49 |
|
50 |
import com.iver.utiles.IPersistance; |
51 |
import com.iver.utiles.XMLEntity; |
52 |
|
53 |
public interface ISymbol extends IPersistance { |
54 |
public final static int CHARACTER_MARKER = 1; |
55 |
public final static int SIMPLE_FILL = 2; |
56 |
public static final int MARKER_FILL = 3; |
57 |
ISymbol getSymbolForSelection(); |
58 |
|
59 |
void draw(Graphics2D g, AffineTransform affineTransform, FShape shp); |
60 |
|
61 |
// In the future, we may need something like that, but now if
|
62 |
// I put it, we should change the rendering process, and it will
|
63 |
// be slowly.
|
64 |
// El problema es que antes de renderizar algo, tenemos que calcular
|
65 |
// c?mo va a quedar en pantalla, para saber su bounding box real y si
|
66 |
// hay que dibujarlo o no. Pasa con los textos, pero en general
|
67 |
// con cualquier s?mbolo de tipo puntual, tambi?n. En menor medida con
|
68 |
// l?neas y pol?gonos.
|
69 |
//
|
70 |
// IDEA!!!:
|
71 |
// Para no depender de leer un shape y pedirle al s?mbolo que toca
|
72 |
// el bounding box para ver si hay que dibujarlo, se puede hacer una
|
73 |
// pasada previa por la leyenda y ver los pixels que a?ade al bounding
|
74 |
// box. (Se coge un punto, una l?nea o un pol?gono, y se calcula
|
75 |
// su bounding box para esa escala. Si es mayor que el original del
|
76 |
// shape, se calculan los pixels. Luego se pasan esos pixels a
|
77 |
// coordenadas de mundo real, y se le suman al visibleExtent para que
|
78 |
// se dibujen los trozos de texto que no se pintan, etc, etc.
|
79 |
int getPixExtentPlus(Graphics2D g, AffineTransform affineTransform, Shape shp); |
80 |
/**
|
81 |
* Devuelve el rgb del s?mbolo cuando se dibuja como un punto.
|
82 |
*
|
83 |
* @return rgb del s?mbolo.
|
84 |
*/
|
85 |
public int getOnePointRgb(); |
86 |
|
87 |
/**
|
88 |
* Use it to specify how do you want to write the symbol in .gvp project
|
89 |
* @return
|
90 |
*/
|
91 |
XMLEntity getXMLEntity(); |
92 |
|
93 |
/**
|
94 |
* The description is a human-readable text used to
|
95 |
* @return description of this symbol.
|
96 |
*/
|
97 |
String getDescription();
|
98 |
|
99 |
/**
|
100 |
* Tells whether the shape of the symbol will be drawn or not.
|
101 |
*
|
102 |
* @return <b>true</b> if Shape must be drawn. Useful if you are labelling
|
103 |
*/
|
104 |
boolean isShapeVisible();
|
105 |
|
106 |
void setDescription(String string); |
107 |
|
108 |
/**
|
109 |
* @return FSymbol constants. I think it is better to use isSuitableFor
|
110 |
*/
|
111 |
int getSymbolType();
|
112 |
|
113 |
/**
|
114 |
* True if this symbol is ok for the geometry. For example, a FillSymbol will
|
115 |
* be suitable for a Polygon.
|
116 |
* @param geom
|
117 |
* @return
|
118 |
*/
|
119 |
boolean isSuitableFor(IGeometry geom);
|
120 |
|
121 |
/**
|
122 |
* Useful to render the symbol inside the TOC, or inside little
|
123 |
* rectangles. For example, think about rendering a Label with size
|
124 |
* in meters => You will need to specify a size in pixels.
|
125 |
* Of course, you can also to choose to render a prepared image, etc.
|
126 |
* @param g2
|
127 |
* @param scaleInstance
|
128 |
* @param r
|
129 |
*/
|
130 |
void drawInsideRectangle(Graphics2D g, AffineTransform scaleInstance, Rectangle r); |
131 |
|
132 |
void setPrintingProperties(PrintRequestAttributeSet printProperties); |
133 |
|
134 |
|
135 |
} |
136 |
|
137 |
|