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Simpler code to support copy/paste of image data, that is also valid …
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…from Mac OS 10.3.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10822 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
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Manolo Gouy authored and Manolo Gouy committed Aug 1, 2015
1 parent ca1990c commit 4388e56
Showing 1 changed file with 41 additions and 92 deletions.
133 changes: 41 additions & 92 deletions src/Fl_cocoa.mm
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Expand Up @@ -3384,29 +3384,10 @@ to YES and calls handleUpdateEvent() that calls Fl_X::flush(). Fl_X::flush() set
[clip declareTypes:[NSArray arrayWithObjects:PDF_pasteboard_type, TIFF_pasteboard_type, nil] owner:nil];
[clip setData:(NSData*)pdfdata forType:PDF_pasteboard_type];
//second, transform this PDF to a bitmap image and put it as tiff in clipboard
NSPDFImageRep *vectorial = [[NSPDFImageRep alloc] initWithData:(NSData*)pdfdata];
NSImage *image = [[NSImage alloc] initWithData:(NSData*)pdfdata];
CFRelease(pdfdata);
NSBitmapImageRep *bitmap = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL
pixelsWide:width
pixelsHigh:height
bitsPerSample:8
samplesPerPixel:3
hasAlpha:NO
isPlanar:NO
colorSpaceName:NSDeviceRGBColorSpace
bytesPerRow:width*4
bitsPerPixel:32];
memset([bitmap bitmapData], -1, [bitmap bytesPerRow] * [bitmap pixelsHigh]);
NSDictionary *dict = [NSDictionary dictionaryWithObject:bitmap
forKey:NSGraphicsContextDestinationAttributeName];
NSGraphicsContext *oldgc = [NSGraphicsContext currentContext];
// this method of drawing to a bitmap requires Mac OS 10.4
[NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithAttributes:dict]];
[vectorial draw];
[vectorial release];
[NSGraphicsContext setCurrentContext:oldgc];
[clip setData:[bitmap TIFFRepresentation] forType:TIFF_pasteboard_type];
[bitmap release];
[clip setData:[image TIFFRepresentation] forType:TIFF_pasteboard_type];
[image release];
}

////////////////////////////////////////////////////////////////
Expand Down Expand Up @@ -3513,85 +3494,45 @@ static int get_plain_text_from_clipboard(int clipboard)

static Fl_Image* get_image_from_clipboard(Fl_Widget *receiver)
{
Fl_RGB_Image *image = NULL;
uchar *imagedata;
NSBitmapImageRep *bitmap;
NSPasteboard *clip = [NSPasteboard generalPasteboard];
NSArray *present = [clip types]; // types in pasteboard in order of decreasing preference
NSArray *possible = [NSArray arrayWithObjects:PDF_pasteboard_type, TIFF_pasteboard_type, PICT_pasteboard_type, nil];
NSArray *possible = [NSArray arrayWithObjects:TIFF_pasteboard_type, PDF_pasteboard_type, PICT_pasteboard_type, nil];
NSString *found = nil;
NSUInteger rank;
for (NSUInteger i = 0; i < [possible count]; i++) {
for (NSUInteger i = 0; (!found) && i < [possible count]; i++) {
for (rank = 0; rank < [present count]; rank++) { // find first of possible types present in pasteboard
if ([[present objectAtIndex:rank] isEqualToString:[possible objectAtIndex:i]]) {
found = [present objectAtIndex:rank];
goto after_loop;
}
}
}
after_loop:
if (found) {
NSData *data = [clip dataForType:found];
if (data) {
if ([found isEqualToString:TIFF_pasteboard_type]) {
bitmap = [NSBitmapImageRep imageRepWithData:data];
int bpp = [bitmap bytesPerPlane];
int bpr = [bitmap bytesPerRow];
int depth = [bitmap samplesPerPixel], w = bpr/depth, h = bpp/bpr;
imagedata = new uchar[w * h * depth];
memcpy(imagedata, [bitmap bitmapData], w * h * depth);
image = new Fl_RGB_Image(imagedata, w, h, depth);
image->alloc_array = 1;
}
else if ([found isEqualToString:PDF_pasteboard_type] || [found isEqualToString:PICT_pasteboard_type]) {
NSRect rect;
NSImageRep *vectorial;
NSAffineTransform *dilate = [NSAffineTransform transform];
if ([found isEqualToString:PDF_pasteboard_type] ) {
vectorial = [NSPDFImageRep imageRepWithData:data];
rect = [(NSPDFImageRep*)vectorial bounds]; // in points = 1/72 inch
Fl_Window *win = receiver->top_window();
if (!win) win = Fl::first_window();
int screen_num = win ? Fl::screen_num(win->x(), win->y(), win->w(), win->h()) : 0;
float hr, vr;
Fl::screen_dpi(hr, vr, screen_num); // 1 inch = hr pixels = 72 points -> hr/72 pixel/point
CGFloat scale = hr/72;
[dilate scaleBy:scale];
rect.size.width *= scale;
rect.size.height *= scale;
rect = NSIntegralRect(rect);
}
else {
vectorial = [NSPICTImageRep imageRepWithData:data];
rect = [(NSPICTImageRep*)vectorial boundingBox]; // in pixel, no scaling required
}
imagedata = new uchar[(int)(rect.size.width * rect.size.height) * 4];
memset(imagedata, -1, (int)(rect.size.width * rect.size.height) * 4);
bitmap = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:&imagedata
pixelsWide:rect.size.width
pixelsHigh:rect.size.height
bitsPerSample:8
samplesPerPixel:3
hasAlpha:NO
isPlanar:NO
colorSpaceName:NSDeviceRGBColorSpace
bytesPerRow:rect.size.width*4
bitsPerPixel:32];
NSDictionary *dict = [NSDictionary dictionaryWithObject:bitmap
forKey:NSGraphicsContextDestinationAttributeName];
NSGraphicsContext *oldgc = [NSGraphicsContext currentContext];
// this method of drawing to a bitmap requires Mac OS 10.4
[NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithAttributes:dict]];
[dilate concat];
[vectorial draw];
[NSGraphicsContext setCurrentContext:oldgc];
[bitmap release];
image = new Fl_RGB_Image(imagedata, rect.size.width, rect.size.height, 4);
image->alloc_array = 1;
break;
}
Fl::e_clipboard_type = Fl::clipboard_image;
}
}
if (!found) return NULL;
NSData *data = [clip dataForType:found];
if (!data) return NULL;
NSBitmapImageRep *bitmap = nil;
if ([found isEqualToString:TIFF_pasteboard_type]) {
bitmap = [[NSBitmapImageRep alloc] initWithData:data];
}
else if ([found isEqualToString:PDF_pasteboard_type] || [found isEqualToString:PICT_pasteboard_type]) {
NSImage *nsimg = [[NSImage alloc] initWithData:data];
[nsimg lockFocus];
bitmap = [[NSBitmapImageRep alloc] initWithFocusedViewRect:NSMakeRect(0, 0, [nsimg size].width, [nsimg size].height)];
[nsimg unlockFocus];
[nsimg release];
}
if (!bitmap) return NULL;
int bytesPerPixel([bitmap bitsPerPixel]/8);
int bpr([bitmap bytesPerRow]);
int bpp([bitmap bytesPerPlane]);
int hh(bpp/bpr);
int ww(bpr/bytesPerPixel);
uchar *imagedata = new uchar[bpr * hh];
memcpy(imagedata, [bitmap bitmapData], bpr * hh);
Fl_RGB_Image *image = new Fl_RGB_Image(imagedata, ww, hh, bytesPerPixel);
image->alloc_array = 1;
[bitmap release];
Fl::e_clipboard_type = Fl::clipboard_image;
return image;
}

Expand Down Expand Up @@ -4212,11 +4153,19 @@ static void write_bitmap_inside(NSBitmapImageRep *to, int to_width, NSBitmapImag
rect = NSMakeRect(x, win->h()-(y+h), w, h);
// lock focus to win's view
winview = [fl_xid(win) contentView];
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
if (fl_mac_os_version >= 101100) [[fl_xid(win) graphicsContext] saveGraphicsState]; // necessary under 10.11
#endif
[winview lockFocus];
}
// The image depth is 3 until 10.5 and 4 with 10.6 and above
bitmap = [[NSBitmapImageRep alloc] initWithFocusedViewRect:rect];
if ( !( through_Fl_X_flush && Fl_Window::current() == win) ) {[winview unlockFocus];}
if ( !( through_Fl_X_flush && Fl_Window::current() == win) ) {
[winview unlockFocus];
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
if (fl_mac_os_version >= 101100) [[fl_xid(win) graphicsContext] restoreGraphicsState];
#endif
}
if (!bitmap) return nil;
}

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