1 /*
2 * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package javax.swing.plaf.nimbus;
26
27 import javax.swing.Painter;
28 import sun.swing.plaf.synth.SynthIcon;
29
30 import javax.swing.plaf.synth.SynthContext;
31 import javax.swing.*;
32 import java.awt.*;
33 import java.awt.image.BufferedImage;
34 import javax.swing.plaf.UIResource;
35
36 /**
37 * An icon that delegates to a painter.
38 * @author rbair
39 */
40 class NimbusIcon extends SynthIcon {
41 private int width;
42 private int height;
43 private String prefix;
44 private String key;
45
46 NimbusIcon(String prefix, String key, int w, int h) {
47 this.width = w;
48 this.height = h;
49 this.prefix = prefix;
50 this.key = key;
51 }
52
53 @Override
54 public void paintIcon(SynthContext context, Graphics g, int x, int y,
55 int w, int h) {
56 Painter painter = null;
57 if (context != null) {
58 painter = (Painter)context.getStyle().get(context, key);
59 }
60 if (painter == null){
61 painter = (Painter) UIManager.get(prefix + "[Enabled]." + key);
62 }
63
64 if (painter != null && context != null) {
65 JComponent c = context.getComponent();
66 boolean rotate = false;
67 boolean flip = false;
68 //translatex and translatey are additional translations that
69 //must occur on the graphics context when rendering a toolbar
70 //icon
71 int translatex = 0;
72 int translatey = 0;
73 if (c instanceof JToolBar) {
74 JToolBar toolbar = (JToolBar)c;
75 rotate = toolbar.getOrientation() == JToolBar.VERTICAL;
76 flip = !toolbar.getComponentOrientation().isLeftToRight();
77 Object o = NimbusLookAndFeel.resolveToolbarConstraint(toolbar);
78 //we only do the +1 hack for UIResource borders, assuming
79 //that the border is probably going to be our border
80 if (toolbar.getBorder() instanceof UIResource) {
81 if (o == BorderLayout.SOUTH) {
82 translatey = 1;
83 } else if (o == BorderLayout.EAST) {
84 translatex = 1;
85 }
86 }
87 } else if (c instanceof JMenu) {
88 flip = ! c.getComponentOrientation().isLeftToRight();
89 }
90 if (g instanceof Graphics2D){
91 Graphics2D gfx = (Graphics2D)g;
92 gfx.translate(x, y);
93 gfx.translate(translatex, translatey);
94 if (rotate) {
95 gfx.rotate(Math.toRadians(90));
96 gfx.translate(0, -w);
97 painter.paint(gfx, context.getComponent(), h, w);
98 gfx.translate(0, w);
99 gfx.rotate(Math.toRadians(-90));
100 } else if (flip){
101 gfx.scale(-1, 1);
102 gfx.translate(-w,0);
103 painter.paint(gfx, context.getComponent(), w, h);
104 gfx.translate(w,0);
105 gfx.scale(-1, 1);
106 } else {
107 painter.paint(gfx, context.getComponent(), w, h);
108 }
109 gfx.translate(-translatex, -translatey);
110 gfx.translate(-x, -y);
111 } else {
112 // use image if we are printing to a Java 1.1 PrintGraphics as
113 // it is not a instance of Graphics2D
114 BufferedImage img = new BufferedImage(w,h,
115 BufferedImage.TYPE_INT_ARGB);
116 Graphics2D gfx = img.createGraphics();
117 if (rotate) {
118 gfx.rotate(Math.toRadians(90));
119 gfx.translate(0, -w);
120 painter.paint(gfx, context.getComponent(), h, w);
121 } else if (flip){
122 gfx.scale(-1, 1);
123 gfx.translate(-w,0);
124 painter.paint(gfx, context.getComponent(), w, h);
125 } else {
126 painter.paint(gfx, context.getComponent(), w, h);
127 }
128 gfx.dispose();
129 g.drawImage(img,x,y,null);
130 img = null;
131 }
132 }
133 }
134
135 /**
136 * Implements the standard Icon interface's paintIcon method as the standard
137 * synth stub passes null for the context and this will cause us to not
138 * paint any thing, so we override here so that we can paint the enabled
139 * state if no synth context is available
140 */
141 @Override
142 public void paintIcon(Component c, Graphics g, int x, int y) {
143 Painter painter = (Painter)UIManager.get(prefix + "[Enabled]." + key);
144 if (painter != null){
145 JComponent jc = (c instanceof JComponent) ? (JComponent)c : null;
146 Graphics2D gfx = (Graphics2D)g;
147 gfx.translate(x, y);
148 painter.paint(gfx, jc , width, height);
149 gfx.translate(-x, -y);
150 }
151 }
152
153 @Override
154 public int getIconWidth(SynthContext context) {
155 if (context == null) {
156 return width;
157 }
158 JComponent c = context.getComponent();
159 if (c instanceof JToolBar && ((JToolBar)c).getOrientation() == JToolBar.VERTICAL) {
160 //we only do the -1 hack for UIResource borders, assuming
161 //that the border is probably going to be our border
162 if (c.getBorder() instanceof UIResource) {
163 return c.getWidth() - 1;
164 } else {
165 return c.getWidth();
166 }
167 } else {
168 return scale(context, width);
169 }
170 }
171
172 @Override
173 public int getIconHeight(SynthContext context) {
174 if (context == null) {
175 return height;
176 }
177 JComponent c = context.getComponent();
178 if (c instanceof JToolBar){
179 JToolBar toolbar = (JToolBar)c;
180 if (toolbar.getOrientation() == JToolBar.HORIZONTAL) {
181 //we only do the -1 hack for UIResource borders, assuming
182 //that the border is probably going to be our border
183 if (toolbar.getBorder() instanceof UIResource) {
184 return c.getHeight() - 1;
185 } else {
186 return c.getHeight();
187 }
188 } else {
189 return scale(context, width);
190 }
191 } else {
192 return scale(context, height);
193 }
194 }
195
196 /**
197 * Scale a size based on the "JComponent.sizeVariant" client property of the
198 * component that is using this icon
199 *
200 * @param context The synthContext to get the component from
201 * @param size The size to scale
202 * @return The scaled size or original if "JComponent.sizeVariant" is not
203 * set
204 */
205 private int scale(SynthContext context, int size) {
206 if (context == null || context.getComponent() == null){
207 return size;
208 }
209 // The key "JComponent.sizeVariant" is used to match Apple's LAF
210 String scaleKey = (String) context.getComponent().getClientProperty(
211 "JComponent.sizeVariant");
212 if (scaleKey != null) {
213 if (NimbusStyle.LARGE_KEY.equals(scaleKey)) {
214 size *= NimbusStyle.LARGE_SCALE;
215 } else if (NimbusStyle.SMALL_KEY.equals(scaleKey)) {
216 size *= NimbusStyle.SMALL_SCALE;
217 } else if (NimbusStyle.MINI_KEY.equals(scaleKey)) {
218 // mini is not quite as small for icons as full mini is
219 // just too tiny
220 size *= NimbusStyle.MINI_SCALE + 0.07;
221 }
222 }
223 return size;
224 }
225 }