1 /*
2 * Copyright (c) 2011, 2015, 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
26 package com.sun.javafx.webkit.prism;
27
28 import com.sun.javafx.iio.ImageFrame;
29 import com.sun.prism.Graphics;
30 import com.sun.prism.Image;
31 import com.sun.prism.PrinterGraphics;
32 import com.sun.prism.ResourceFactory;
33 import com.sun.prism.Texture;
34 import com.sun.prism.image.CompoundCoords;
35 import com.sun.prism.image.CompoundTexture;
36 import com.sun.prism.image.Coords;
37 import com.sun.prism.image.ViewPort;
38 import java.nio.ByteBuffer;
39 import java.util.logging.Level;
40 import java.util.logging.Logger;
41 import javafx.scene.image.PixelFormat;
42
43 /**
44 * @author Alexey.Ushakov
45 */
46 final class WCImageImpl extends PrismImage {
47 private final static Logger log =
48 Logger.getLogger(WCImageImpl.class.getName());
49
50 private final Image img;
51 private Texture texture;
52 private CompoundTexture compoundTexture;
53
54
55 WCImageImpl(int w, int h) {
56 if (log.isLoggable(Level.FINE)) {
57 log.log(Level.FINE, "Creating empty image({0},{1})",
58 new Object[] {w, h});
59 }
60 img = Image.fromIntArgbPreData(new int[w*h], w, h);
61 }
62
63 WCImageImpl(int[] buffer, int w, int h) {
64 if (log.isLoggable(Level.FINE)) {
65 log.log(Level.FINE, "Creating image({0},{1}) from buffer",
66 new Object[] {w, h});
67 }
68 img = Image.fromIntArgbPreData(buffer, w, h);
69 }
70
71 WCImageImpl(ImageFrame frame) {
72 if (log.isLoggable(Level.FINE)) {
73 log.log(Level.FINE, "Creating image {0}x{1} of type {2} from buffer",
74 new Object[]{frame.getWidth(), frame.getHeight(), frame.getImageType()});
75 }
76 img = Image.convertImageFrame(frame);
77 }
78
79 Image getImage() {
80 return img;
81 }
82
83 @Override
84 Graphics getGraphics() {
85 return null;
86 }
87
88 @Override
89 void draw(Graphics g,
90 int dstx1, int dsty1, int dstx2, int dsty2,
91 int srcx1, int srcy1, int srcx2, int srcy2)
92 {
93 if (g instanceof PrinterGraphics) {
94 // We're printing. Wrap [img] into a J2DTexture and draw it.
95 Texture t = g.getResourceFactory().createTexture(
96 img, Texture.Usage.STATIC, Texture.WrapMode.CLAMP_NOT_NEEDED);
97 g.drawTexture(t,
98 dstx1, dsty1, dstx2, dsty2,
99 srcx1, srcy1, srcx2, srcy2);
100 t.dispose();
101 return;
102 }
103
104 if (texture != null) {
105 texture.lock();
106 if (texture.isSurfaceLost()) {
107 texture = null;
108 }
109 }
110 if (texture == null && compoundTexture == null) {
111 ResourceFactory resourceFactory = g.getResourceFactory();
112 int maxSize = resourceFactory.getMaximumTextureSize();
113 if (img.getWidth() <= maxSize && img.getHeight() <= maxSize) {
114 texture = resourceFactory.createTexture(img, Texture.Usage.DEFAULT, Texture.WrapMode.CLAMP_TO_EDGE);
115 assert texture != null;
116 } else {
117 compoundTexture = new CompoundTexture(img, maxSize);
118 }
119 }
120
121 if (texture != null) {
122 assert compoundTexture == null;
123 g.drawTexture(
124 texture,
125 dstx1, dsty1, dstx2, dsty2,
126 srcx1, srcy1, srcx2, srcy2);
127 texture.unlock();
128 } else {
129 assert compoundTexture != null;
130 ViewPort viewPort = new ViewPort(
131 srcx1,
132 srcy1,
133 srcx2 - srcx1,
134 srcy2 - srcy1);
135 Coords coords = new Coords(dstx2 - dstx1, dsty2 - dsty1, viewPort);
136 CompoundCoords compoundCoords = new CompoundCoords(
137 compoundTexture,
138 coords);
139 compoundCoords.draw(g, compoundTexture, dstx1, dsty1);
140 }
141 }
142
143 @Override
144 void dispose() {
145 if (texture != null) {
146 texture.dispose();
147 texture = null;
148 }
149 if (compoundTexture != null) {
150 compoundTexture.dispose();
151 compoundTexture = null;
152 }
153 }
154
155 @Override
156 public int getWidth() {
157 return img.getWidth();
158 }
159
160 @Override
161 public int getHeight() {
162 return img.getHeight();
163 }
164
165 @Override
166 public ByteBuffer getPixelBuffer() {
167 int w = img.getWidth();
168 int h = img.getHeight();
169 int s = w*4;
170 ByteBuffer pixels = ByteBuffer.allocate(s * h);
171 img.getPixels(0, 0, w, h,
172 PixelFormat.getByteBgraInstance(),
173 pixels, s);
174 return pixels;
175 }
176
177 @Override
178 public float getPixelScale() {
179 return img.getPixelScale();
180 }
181 }