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
249 * Signature: (Ljava/lang/String;)J
250 */
251 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromImageName
252 (JNIEnv *env, jclass klass, jstring name)
253 {
254 NSImage *image = nil;
255
256 JNF_COCOA_ENTER(env);
257
258 image = [NSImage imageNamed:JNFJavaToNSString(env, name)];
259 if (image) CFRetain(image); // GC
260
261 JNF_COCOA_EXIT(env);
262
263 return ptr_to_jlong(image);
264 }
265
266 /*
267 * Class: sun_lwawt_macosx_CImage
268 * Method: nativeCopyNSImageIntoArray
269 * Signature: (J[III)V
270 */
271 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeCopyNSImageIntoArray
272 (JNIEnv *env, jclass klass, jlong nsImgPtr, jintArray buffer, jint w, jint h)
273 {
274 JNF_COCOA_ENTER(env);
275
276 NSImage *img = (NSImage *)jlong_to_ptr(nsImgPtr);
277 jint *dst = (*env)->GetPrimitiveArrayCritical(env, buffer, NULL);
278 if (dst) {
279 CImage_CopyNSImageIntoArray(img, dst, w, h);
280 (*env)->ReleasePrimitiveArrayCritical(env, buffer, dst, JNI_ABORT);
281 }
282
283 JNF_COCOA_EXIT(env);
284 }
285
286 /*
287 * Class: sun_lwawt_macosx_CImage
288 * Method: nativeGetNSImageSize
289 * Signature: (J)Ljava/awt/geom/Dimension2D;
290 */
291 JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CImage_nativeGetNSImageSize
292 (JNIEnv *env, jclass klass, jlong nsImgPtr)
293 {
294 jobject size = NULL;
295
296 JNF_COCOA_ENTER(env);
297
298 size = NSToJavaSize(env, [(NSImage *)jlong_to_ptr(nsImgPtr) size]);
299
300 JNF_COCOA_EXIT(env);
301
302 return size;
303 }
326 * Method: nativeResizeNSImageRepresentations
327 * Signature: (JDD)V
328 */
329 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeResizeNSImageRepresentations
330 (JNIEnv *env, jclass clazz, jlong image, jdouble w, jdouble h)
331 {
332 if (!image) return;
333 NSImage *i = (NSImage *)jlong_to_ptr(image);
334
335 JNF_COCOA_ENTER(env);
336
337 NSImageRep *imageRep = nil;
338 NSArray *imageRepresentations = [i representations];
339 NSEnumerator *imageEnumerator = [imageRepresentations objectEnumerator];
340 while ((imageRep = [imageEnumerator nextObject]) != nil) {
341 [imageRep setSize:NSMakeSize(w, h)];
342 }
343
344 JNF_COCOA_EXIT(env);
345 }
|
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, NSRect fromRect, NSRect toRect)
56 {
57 int width = toRect.size.width;
58 int height = toRect.size.height;
59 CGColorSpaceRef colorspace = CGColorSpaceCreateDeviceRGB();
60 CGContextRef cgRef = CGBitmapContextCreate(dstPixels, width, height, 8, width * 4, colorspace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
61 CGColorSpaceRelease(colorspace);
62 NSGraphicsContext *context = [NSGraphicsContext graphicsContextWithGraphicsPort:cgRef flipped:NO];
63 CGContextRelease(cgRef);
64 NSGraphicsContext *oldContext = [[NSGraphicsContext currentContext] retain];
65 [NSGraphicsContext setCurrentContext:context];
66 [srcImage drawInRect:toRect
67 fromRect:fromRect
68 operation:NSCompositeSourceOver
69 fraction:1.0];
70 [NSGraphicsContext setCurrentContext:oldContext];
71 [oldContext release];
72 }
73
74 static NSBitmapImageRep* CImage_CreateImageRep(JNIEnv *env, jintArray buffer, jint width, jint height)
75 {
76 NSBitmapImageRep* imageRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
77 pixelsWide:width
78 pixelsHigh:height
79 bitsPerSample:8
80 samplesPerPixel:4
81 hasAlpha:YES
82 isPlanar:NO
83 colorSpaceName:NSDeviceRGBColorSpace
84 bitmapFormat:NSAlphaFirstBitmapFormat
85 bytesPerRow:width*4 // TODO: use explicit scanStride
86 bitsPerPixel:32];
87
250 * Signature: (Ljava/lang/String;)J
251 */
252 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CImage_nativeCreateNSImageFromImageName
253 (JNIEnv *env, jclass klass, jstring name)
254 {
255 NSImage *image = nil;
256
257 JNF_COCOA_ENTER(env);
258
259 image = [NSImage imageNamed:JNFJavaToNSString(env, name)];
260 if (image) CFRetain(image); // GC
261
262 JNF_COCOA_EXIT(env);
263
264 return ptr_to_jlong(image);
265 }
266
267 /*
268 * Class: sun_lwawt_macosx_CImage
269 * Method: nativeCopyNSImageIntoArray
270 * Signature: (J[IIIII)V
271 */
272 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeCopyNSImageIntoArray
273 (JNIEnv *env, jclass klass, jlong nsImgPtr, jintArray buffer, jint sw, jint sh, jint dw, jint dh)
274 {
275 JNF_COCOA_ENTER(env);
276
277 NSImage *img = (NSImage *)jlong_to_ptr(nsImgPtr);
278 jint *dst = (*env)->GetPrimitiveArrayCritical(env, buffer, NULL);
279 if (dst) {
280 NSRect fromRect = NSMakeRect(0, 0, sw, sh);
281 NSRect toRect = NSMakeRect(0, 0, dw, dh);
282 CImage_CopyNSImageIntoArray(img, dst, fromRect, toRect);
283 (*env)->ReleasePrimitiveArrayCritical(env, buffer, dst, JNI_ABORT);
284 }
285
286 JNF_COCOA_EXIT(env);
287 }
288
289 /*
290 * Class: sun_lwawt_macosx_CImage
291 * Method: nativeGetNSImageSize
292 * Signature: (J)Ljava/awt/geom/Dimension2D;
293 */
294 JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CImage_nativeGetNSImageSize
295 (JNIEnv *env, jclass klass, jlong nsImgPtr)
296 {
297 jobject size = NULL;
298
299 JNF_COCOA_ENTER(env);
300
301 size = NSToJavaSize(env, [(NSImage *)jlong_to_ptr(nsImgPtr) size]);
302
303 JNF_COCOA_EXIT(env);
304
305 return size;
306 }
329 * Method: nativeResizeNSImageRepresentations
330 * Signature: (JDD)V
331 */
332 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CImage_nativeResizeNSImageRepresentations
333 (JNIEnv *env, jclass clazz, jlong image, jdouble w, jdouble h)
334 {
335 if (!image) return;
336 NSImage *i = (NSImage *)jlong_to_ptr(image);
337
338 JNF_COCOA_ENTER(env);
339
340 NSImageRep *imageRep = nil;
341 NSArray *imageRepresentations = [i representations];
342 NSEnumerator *imageEnumerator = [imageRepresentations objectEnumerator];
343 while ((imageRep = [imageEnumerator nextObject]) != nil) {
344 [imageRep setSize:NSMakeSize(w, h)];
345 }
346
347 JNF_COCOA_EXIT(env);
348 }
349
350 /*
351 * Class: sun_lwawt_macosx_CImage
352 * Method: nativeGetNSImageRepresentationsCount
353 * Signature: (JDD)Ljava/awt/geom/Dimension2D;
354 */
355 JNIEXPORT jobjectArray JNICALL Java_sun_lwawt_macosx_CImage_nativeGetNSImageRepresentationSizes
356 (JNIEnv *env, jclass clazz, jlong image, jdouble w, jdouble h)
357 {
358 if (!image) return 0;
359 jobjectArray jreturnArray = NULL;
360 NSImage *img = (NSImage *)jlong_to_ptr(image);
361
362 JNF_COCOA_ENTER(env);
363
364 NSMutableArray *imagePixelSizes = [[NSMutableArray alloc] init];
365
366 NSImageRep *imageRep = nil;
367 NSEnumerator *imageEnumerator = [[img representations] objectEnumerator];
368
369 while ((imageRep = [imageEnumerator nextObject]) != nil) {
370 NSSize imageRepSize = [imageRep size];
371 if (imageRepSize.width == w && imageRepSize.height == h){
372 NSSize pixelSize = NSMakeSize([imageRep pixelsWide], [imageRep pixelsHigh]);
373 [imagePixelSizes addObject: [NSValue valueWithSize: pixelSize]];
374 }
375 }
376
377 NSArray *sortedPixelSizes = [imagePixelSizes sortedArrayUsingComparator: ^(id obj1, id obj2) {
378 NSSize size1 = [obj1 sizeValue];
379 NSSize size2 = [obj2 sizeValue];
380 return (NSComparisonResult) ((size1.width <= size2.width && size1.height <= size2.height) ?
381 NSOrderedAscending :
382 NSOrderedDescending);
383 }];
384
385 jsize count = [sortedPixelSizes count];
386 static JNF_CLASS_CACHE(jc_Dimension, "java/awt/Dimension");
387 jreturnArray = JNFNewObjectArray(env, &jc_Dimension, count);
388
389 jsize i;
390 for(i = 0; i < count; i++){
391 NSSize pixelSize = [[sortedPixelSizes objectAtIndex: i] sizeValue];
392
393 (*env)->SetObjectArrayElement(env, jreturnArray, i, NSToJavaSize(env, pixelSize));
394 if ((*env)->ExceptionOccurred(env)) {
395 (*env)->ExceptionDescribe(env);
396 (*env)->ExceptionClear(env);
397 continue;
398 }
399 }
400
401 JNF_COCOA_EXIT(env);
402
403 return jreturnArray;
404 }
|