1 /*
2 * Copyright (c) 2011, 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 <Cocoa/Cocoa.h>
27 #import <JavaNativeFoundation/JavaNativeFoundation.h>
28
29 #import "GeomUtilities.h"
30 #import "ThreadUtilities.h"
31
32 #import "sun_lwawt_macosx_CImage.h"
33
34
35 static void CImage_CopyArrayIntoNSImageRep
36 (jint *srcPixels, jint *dstPixels, int width, int height)
37 {
38 int x, y;
39 // TODO: test this on big endian systems (not sure if its correct)...
40 for (y = 0; y < height; y++) {
41 for (x = 0; x < width; x++) {
42 jint pix = srcPixels[x];
43 jint a = (pix >> 24) & 0xff;
44 jint r = (pix >> 16) & 0xff;
45 jint g = (pix >> 8) & 0xff;
46 jint b = (pix ) & 0xff;
47 dstPixels[x] = (b << 24) | (g << 16) | (r << 8) | a;
48 }
49 srcPixels += width; // TODO: use explicit scanStride
50 dstPixels += width;
51 }
52 }
53
54 static void CImage_CopyNSImageIntoArray
55 (NSImage *srcImage, jint *dstPixels, int width, int height)
56 {
57 CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
58 CGContextRef cgRef = CGBitmapContextCreate(dstPixels, width, height, 8, width * 4, colorspace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
59 CGColorSpaceRelease(colorspace);
60 NSGraphicsContext *context = [NSGraphicsContext graphicsContextWithGraphicsPort:cgRef flipped:NO];
61 CGContextRelease(cgRef);
62 NSGraphicsContext *oldContext = [[NSGraphicsContext currentContext] retain];
63 [NSGraphicsContext setCurrentContext:context];
64 NSRect rect = NSMakeRect(0, 0, width, height);
65 [srcImage drawInRect:rect
66 fromRect:rect
67 operation:NSCompositeSourceOver
68 fraction:1.0];
69 [NSGraphicsContext setCurrentContext:oldContext];
70 [oldContext release];
71 }
72
73 static NSBitmapImageRep* CImage_CreateImageRep(JNIEnv *env, jintArray buffer, jint width, jint height)
74 {
75 NSBitmapImageRep* imageRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
76 pixelsWide:width
77 pixelsHigh:height
78 bitsPerSample:8
79 samplesPerPixel:4
80 hasAlpha:YES
81 isPlanar:NO
82 colorSpaceName:NSDeviceRGBColorSpace
83 bitmapFormat:NSAlphaFirstBitmapFormat
84 bytesPerRow:width*4 // TODO: use explicit scanStride
85 bitsPerPixel:32];
86
87 jint *imgData = (jint *)[imageRep bitmapData];
88 if (imgData == NULL) return 0L;
89
90 jint *src = (*env)->GetPrimitiveArrayCritical(env, buffer, NULL);
91 if (src == NULL) return 0L;
92
93 CImage_CopyArrayIntoNSImageRep(src, imgData, width, height);
94
95 (*env)->ReleasePrimitiveArrayCritical(env, buffer, src, JNI_ABORT);
96
97 return imageRep;
98 }
99
100 /*
101 * Class: sun_lwawt_macosx_CImage
102 * Method: nativeCreateNSImageFromArray
103 * Signature: ([III)J
104 */
105 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromArray
106 (JNIEnv *env, jclass klass, jintArray buffer, jint width, jint height)
107 {
108 jlong result = 0L;
109
110 JNF_COCOA_ENTER(env);
111 AWT_ASSERT_ANY_THREAD;
112
113 NSBitmapImageRep* imageRep = CImage_CreateImageRep(env, buffer, width, height);
114 if (imageRep) {
115 NSImage *nsImage = [[NSImage alloc] initWithSize:NSMakeSize(width, height)];
116 [nsImage addRepresentation:imageRep];
117 [imageRep release];
118
119 if (nsImage != nil) {
120 CFRetain(nsImage); // GC
121 }
122
123 result = ptr_to_jlong(nsImage);
124 }
125
126 JNF_COCOA_EXIT(env);
127
128 return result;
129 }
130
131 /*
132 * Class: sun_lwawt_macosx_CImage
133 * Method: nativeCreateNSImageFromArrays
134 * Signature: ([[I[I[I)J
135 */
136 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromArrays
137 (JNIEnv *env, jclass klass, jobjectArray buffers, jintArray widths, jintArray heights)
138 {
139 jlong result = 0L;
140
141 JNF_COCOA_ENTER(env);
142 AWT_ASSERT_ANY_THREAD;
143
144 jsize num = (*env)->GetArrayLength(env, buffers);
145 NSMutableArray * reps = [NSMutableArray arrayWithCapacity: num];
146
147 jint * ws = (*env)->GetIntArrayElements(env, widths, NULL);
148 jint * hs = (*env)->GetIntArrayElements(env, heights, NULL);
149
150 jsize i;
151 for (i = 0; i < num; i++) {
152 jintArray buffer = (*env)->GetObjectArrayElement(env, buffers, i);
153
154 NSBitmapImageRep* imageRep = CImage_CreateImageRep(env, buffer, ws[i], hs[i]);
155 if (imageRep) {
156 [reps addObject: imageRep];
157 }
158 }
159
160 (*env)->ReleaseIntArrayElements(env, heights, hs, JNI_ABORT);
161 (*env)->ReleaseIntArrayElements(env, widths, ws, JNI_ABORT);
162
163 if ([reps count]) {
164 NSImage *nsImage = [[NSImage alloc] initWithSize:NSMakeSize(0, 0)];
165 [nsImage addRepresentations: reps];
166
167 if (nsImage != nil) {
168 CFRetain(nsImage); // GC
169 }
170
171 result = ptr_to_jlong(nsImage);
172 }
173
174 JNF_COCOA_EXIT(env);
175
176 return result;
177 }
178
179 /*
180 * Class: sun_lwawt_macosx_CImage
181 * Method: nativeCreateNSImageFromIconSelector
182 * Signature: (I)J
183 */
184 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromIconSelector
185 (JNIEnv *env, jclass klass, jint selector)
186 {
187 NSImage *image = nil;
188
189 JNF_COCOA_ENTER(env);
190 AWT_ASSERT_ANY_THREAD;
191
192 IconRef iconRef;
193 if (noErr == GetIconRef(kOnSystemDisk, kSystemIconsCreator, selector, &iconRef)) {
194 image = [[NSImage alloc] initWithIconRef:iconRef];
195 if (image) CFRetain(image); // GC
196 ReleaseIconRef(iconRef);
197 }
198
199 JNF_COCOA_EXIT(env);
200
201 return ptr_to_jlong(image);
202 }
203
204 /*
205 * Class: sun_lwawt_macosx_CImage
206 * Method: nativeCreateNSImageFromFileContents
207 * Signature: (Ljava/lang/String;)J
208 */
209 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromFileContents
210 (JNIEnv *env, jclass klass, jstring file)
211 {
212 NSImage *image = nil;
213
214 JNF_COCOA_ENTER(env);
215 AWT_ASSERT_ANY_THREAD;
216
217 NSString *path = JNFNormalizedNSStringForPath(env, file);
218 image = [[NSImage alloc] initByReferencingFile:path];
219 if (image) CFRetain(image); // GC
220
221 JNF_COCOA_EXIT(env);
222
223 return ptr_to_jlong(image);
224 }
225
226 /*
227 * Class: sun_lwawt_macosx_CImage
228 * Method: nativeCreateNSImageOfFileFromLaunchServices
229 * Signature: (Ljava/lang/String;)J
230 */
231 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageOfFileFromLaunchServices
232 (JNIEnv *env, jclass klass, jstring file)
233 {
234 __block NSImage *image = nil;
235
236 JNF_COCOA_ENTER(env);
237 AWT_ASSERT_ANY_THREAD;
238
239 NSString *path = JNFNormalizedNSStringForPath(env, file);
240 [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
241 image = [[NSWorkspace sharedWorkspace] iconForFile:path];
242 [image setScalesWhenResized:TRUE];
243 if (image) CFRetain(image); // GC
244 }];
245
246 JNF_COCOA_EXIT(env);
247
248 return ptr_to_jlong(image);
249 }
250
251 /*
252 * Class: sun_lwawt_macosx_CImage
253 * Method: nativeCreateNSImageFromImageName
254 * Signature: (Ljava/lang/String;)J
255 */
256 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromImageName
257 (JNIEnv *env, jclass klass, jstring name)
258 {
259 NSImage *image = nil;
260
261 JNF_COCOA_ENTER(env);
262 AWT_ASSERT_ANY_THREAD;
263
264 image = [NSImage imageNamed:JNFJavaToNSString(env, name)];
265 if (image) CFRetain(image); // GC
266
267 JNF_COCOA_EXIT(env);
268
269 return ptr_to_jlong(image);
270 }
271
272 /*
273 * Class: sun_lwawt_macosx_CImage
274 * Method: nativeCopyNSImageIntoArray
275 * Signature: (J[III)V
276 */
277 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeCopyNSImageIntoArray
278 (JNIEnv *env, jclass klass, jlong nsImgPtr, jintArray buffer, jint w, jint h)
279 {
280 JNF_COCOA_ENTER(env);
281 AWT_ASSERT_ANY_THREAD;
282
283 NSImage *img = (NSImage *)jlong_to_ptr(nsImgPtr);
284 jint *dst = (*env)->GetPrimitiveArrayCritical(env, buffer, NULL);
285 if (dst) {
286 CImage_CopyNSImageIntoArray(img, dst, w, h);
287 (*env)->ReleasePrimitiveArrayCritical(env, buffer, dst, JNI_ABORT);
288 }
289
290 JNF_COCOA_EXIT(env);
291 }
292
293 /*
294 * Class: sun_lwawt_macosx_CImage
295 * Method: nativeGetNSImageSize
296 * Signature: (J)Ljava/awt/geom/Dimension2D;
297 */
298 JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CImage_nativeGetNSImageSize
299 (JNIEnv *env, jclass klass, jlong nsImgPtr)
300 {
301 jobject size = NULL;
302
303 JNF_COCOA_ENTER(env);
304 AWT_ASSERT_ANY_THREAD;
305
306 size = NSToJavaSize(env, [(NSImage *)jlong_to_ptr(nsImgPtr) size]);
307
308 JNF_COCOA_EXIT(env);
309
310 return size;
311 }
312
313 /*
314 * Class: sun_lwawt_macosx_CImage
315 * Method: nativeSetNSImageSize
316 * Signature: (JDD)V
317 */
318 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeSetNSImageSize
319 (JNIEnv *env, jclass clazz, jlong image, jdouble w, jdouble h)
320 {
321 if (!image) return;
322 NSImage *i = (NSImage *)jlong_to_ptr(image);
323
324 JNF_COCOA_ENTER(env);
325
326 [i setScalesWhenResized:TRUE];
327 [i setSize:NSMakeSize(w, h)];
328
329 JNF_COCOA_EXIT(env);
330 }