1 /*
2 * Copyright (c) 2011, 2013, 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 #import "common.h"
27 #import "com_sun_glass_ui_Pixels_Format.h"
28 #import "com_sun_glass_ui_mac_MacPixels.h"
29
30 #import "GlassMacros.h"
31
32 //#define VERBOSE
33 #ifndef VERBOSE
34 #define LOG(MSG, ...)
35 #else
36 #define LOG(MSG, ...) GLASS_LOG(MSG, ## __VA_ARGS__);
37 #endif
38
39 /*
40 * Class: com_sun_glass_ui_mac_MacPixels
41 * Method: _initIDs
42 * Signature: ()I
43 */
44 JNIEXPORT jint JNICALL Java_com_sun_glass_ui_mac_MacPixels__1initIDs
45 (JNIEnv *env, jclass jClass)
46 {
47 LOG("Java_com_sun_glass_ui_mac_MacPixels__1initIDs");
48
49 if (jPixelsAttachData == NULL)
50 {
51 jPixelsAttachData = (*env)->GetMethodID(env, jClass, "attachData", "(J)V");
52 }
53
54 // http://developer.apple.com/library/mac/#documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_designstrategies/opengl_designstrategies.html%23//apple_ref/doc/uid/TP40001987-CH2-SW17
55 // GL_BGRA + GL_UNSIGNED_INT_8_8_8_8_REV == ARGB (big) == BGRA (little)
56 return com_sun_glass_ui_Pixels_Format_BYTE_BGRA_PRE;
57 }
58
59 /*
60 * Class: com_sun_glass_ui_mac_MacPixels
61 * Method: _copyPixels
62 * Signature: (Ljava/nio/Buffer;Ljava/nio/Buffer;I)V
63 */
64 JNIEXPORT void JNICALL Java_com_sun_glass_ui_mac_MacPixels__1copyPixels
65 (JNIEnv *env, jobject jPixels, jobject jSrc, jobject jDst, jint jSize)
66 {
67 LOG("Java_com_sun_glass_ui_mac_MacPixels__1copyPixels");
68
69 GLASS_ASSERT_MAIN_JAVA_THREAD(env);
70
71 void *src = (*env)->GetDirectBufferAddress(env, jSrc);
72 void *dst = (*env)->GetDirectBufferAddress(env, jDst);
73 if ((src != NULL) && (src != NULL) && (jSize > 0))
74 {
75 memcpy(src, dst, jSize);
76 }
77 GLASS_CHECK_EXCEPTION(env);
78 }
79
80 /*
81 * Class: com_sun_glass_ui_mac_MacPixels
82 * Method: _attachInt
83 * Signature: (JIILjava/nio/IntBuffer;[II)V
84 */
85 JNIEXPORT void JNICALL Java_com_sun_glass_ui_mac_MacPixels__1attachInt
86 (JNIEnv *env, jobject jPixels, jlong jPtr, jint jWidth, jint jHeight, jobject jBuffer, jintArray jArray, jint jOffset)
87 {
88 LOG("Java_com_sun_glass_ui_mac_MacPixels__1attachInt");
89
90 Java_com_sun_glass_ui_mac_MacPixels__1attachByte(env, jPixels, jPtr, jWidth, jHeight, jBuffer, jArray, 4*jOffset);
91 }
92
93 /*
94 * Class: com_sun_glass_ui_mac_MacPixels
95 * Method: _attachByte
96 * Signature: (JIILjava/nio/ByteBuffer;[BI)V
97 */
98 JNIEXPORT void JNICALL Java_com_sun_glass_ui_mac_MacPixels__1attachByte
99 (JNIEnv *env, jobject jPixels, jlong jPtr, jint jWidth, jint jHeight, jobject jBuffer, jbyteArray jArray, jint jOffset)
100 {
101 LOG("Java_com_sun_glass_ui_mac_MacPixels__1attachByte");
102
103 GLASS_ASSERT_MAIN_JAVA_THREAD(env);
104 {
105 u_int8_t *data = NULL;
106 if (jArray != NULL)
107 {
108 jboolean isCopy = JNI_FALSE;
109 data = (*env)->GetPrimitiveArrayCritical(env, jArray, &isCopy);
110 }
111 else
112 {
113 data = (*env)->GetDirectBufferAddress(env, jBuffer);
114 }
115
116 CGImageRef cgImage = NULL;
117 if ((data != NULL) && (jWidth > 0) && (jHeight > 0))
118 {
119 CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
120 {
121 size_t width = (size_t)jWidth;
122 size_t height = (size_t)jHeight;
123 CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, data+jOffset, width*height*4, NULL);
124 if (provider != NULL)
125 {
126 cgImage = CGImageCreate(width, height, 8, 32, 4*width, colorSpace, kCGImageAlphaPremultipliedFirst|kCGBitmapByteOrder32Little, provider, NULL, 1, kCGRenderingIntentDefault);
127 CGDataProviderRelease(provider);
128 }
129 }
130 CGColorSpaceRelease(colorSpace);
131 }
132
133 if (jArray != NULL)
134 {
135 (*env)->ReleasePrimitiveArrayCritical(env, jArray, data, JNI_ABORT);
136 }
137
138 NSImage **nsImage = (NSImage**)jlong_to_ptr(jPtr);
139 if (cgImage != NULL)
140 {
141 *nsImage = [[NSImage alloc] initWithCGImage:cgImage size:NSMakeSize(jWidth, jHeight)];
142
143 CGImageRelease(cgImage);
144 }
145 else
146 {
147 *nsImage = nil;
148 }
149 }
150 GLASS_CHECK_EXCEPTION(env);
151 }