mirror of https://github.com/fltk/fltk
Reorganise code that captures on-screen window content.
Also introduce new rect_to_NSBitmapImageRep: method of class FLWindow which makes it possible to reimplement it.
This commit is contained in:
ManoloFLTK
parent
a432db8ca3
commit
026d560fb4
100
src/Fl_cocoa.mm
100
src/Fl_cocoa.mm
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@ -31,6 +31,7 @@ extern "C" {
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#include <FL/Fl_Tooltip.H>
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#include <FL/Fl_Printer.H>
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#include <FL/fl_draw.H>
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#include <FL/Fl_Rect.H>
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#include "drivers/Quartz/Fl_Quartz_Graphics_Driver.H"
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#include "drivers/Quartz/Fl_Quartz_Copy_Surface_Driver.H"
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#include "drivers/Cocoa/Fl_Cocoa_Screen_Driver.H"
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@ -71,7 +72,8 @@ static size_t convert_crlf(char * string, size_t len);
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static void createAppleMenu(void);
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static void cocoaMouseHandler(NSEvent *theEvent);
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static void clipboard_check(void);
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static NSBitmapImageRep* rect_to_NSBitmapImageRep(Fl_Window *win, int x, int y, int w, int h, bool capture_subwins = true);
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static NSBitmapImageRep* rect_to_NSBitmapImageRep(Fl_Window *win, int x, int y, int w, int h);
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static NSBitmapImageRep* rect_to_NSBitmapImageRep_subwins(Fl_Window *win, int x, int y, int w, int h, bool capture_subwins);
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static void drain_dropped_files_list(void);
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static NSPoint FLTKtoCocoa(Fl_Window *win, int x, int y, int H);
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static int get_window_frame_sizes(Fl_Window *win, int *pbx = NULL, int *pby = NULL);
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@ -496,6 +498,7 @@ void Fl_Cocoa_Screen_Driver::breakMacEventLoop()
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_7
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- (NSPoint)convertBaseToScreen:(NSPoint)aPoint;
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#endif
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- (NSBitmapImageRep*)rect_to_NSBitmapImageRep:(Fl_Rect*)r;
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@end
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@ -717,6 +720,9 @@ void Fl_Cocoa_Screen_Driver::breakMacEventLoop()
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if ([self parentWindow]) return frameRect; // do not constrain subwindows
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return [super constrainFrameRect:frameRect toScreen:screen]; // will prevent a window from going above the menu bar
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}
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- (NSBitmapImageRep*)rect_to_NSBitmapImageRep:(Fl_Rect*)r {
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return rect_to_NSBitmapImageRep(w, r->x(), r->y(), r->w(), r->h());
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}
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@end
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@interface FLApplication : NSObject
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@ -1333,7 +1339,7 @@ static FLWindowDelegate *flwindowdelegate_instance = nil;
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if ([[nsw childWindows] count]) {
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Fl_Window *window = [nsw getFl_Window];
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// capture the window and its subwindows and use as miniature window image
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NSBitmapImageRep *bitmap = rect_to_NSBitmapImageRep(window, 0, 0, window->w(), window->h());
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NSBitmapImageRep *bitmap = rect_to_NSBitmapImageRep_subwins(window, 0, 0, window->w(), window->h(), true);
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if (bitmap) {
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NSImage *img = [[[NSImage alloc] initWithSize:NSMakeSize([bitmap pixelsWide], [bitmap pixelsHigh])] autorelease];
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[img addRepresentation:bitmap];
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@ -4213,7 +4219,7 @@ static NSBitmapImageRep* GL_rect_to_nsbitmap(Fl_Window *win, int x, int y, int w
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}
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_14
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static CGImageRef rect_to_CGImage_layer(Fl_Window *win, int x, int y, int w, int h)
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static NSBitmapImageRep* rect_to_NSBitmapImage_layer(Fl_Window *win, int x, int y, int w, int h)
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{ // capture window data for layer-based views because initWithFocusedViewRect: does not work for them
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FLView *view = (FLView*)[fl_xid(win) contentView];
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// make sure to get the most recent content of the view
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@ -4229,57 +4235,59 @@ static CGImageRef rect_to_CGImage_layer(Fl_Window *win, int x, int y, int w, int
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CGImageRelease(cgimg);
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cgimg = cgimg2;
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}
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return cgimg;
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NSBitmapImageRep *bitmap = (cgimg ? [[NSBitmapImageRep alloc] initWithCGImage:cgimg/*10.5*/] : nil);
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CGImageRelease(cgimg);
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return bitmap;
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}
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#endif
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static NSBitmapImageRep* rect_to_NSBitmapImageRep_layer(Fl_Window *win, int x, int y, int w, int h) {
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NSBitmapImageRep *bitmap = nil;
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static NSBitmapImageRep* rect_to_NSBitmapImageRep(Fl_Window *win, int x, int y, int w, int h) {
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NSBitmapImageRep *bitmap = nil;
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NSRect rect;
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float s = Fl_Graphics_Driver::default_driver().scale();
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if (win->as_gl_window() && y >= 0) {
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bitmap = GL_rect_to_nsbitmap(win, x, y, w, h);
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}
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_14
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CGImageRef cgimg = rect_to_CGImage_layer(win, x, y, w, h);
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if (cgimg) bitmap = [[NSBitmapImageRep alloc] initWithCGImage:cgimg];//10.5
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CGImageRelease(cgimg);
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else if (views_use_CA) {
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bitmap = rect_to_NSBitmapImage_layer(win, x, y, w, h);
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}
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#endif
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else {
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NSView *winview = nil;
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if ( through_Fl_X_flush && Fl_Window::current() == win ) {
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rect = NSMakeRect(x - 0.5, y - 0.5, w, h);
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}
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else {
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winview = [fl_xid(win) contentView];
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int view_h = [winview frame].size.height;
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rect = NSMakeRect(int(x*s), int(view_h-y*s-int(h*s)), int(w*s), int(h*s));
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// lock focus to win's view
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
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if (fl_mac_os_version >= 101100) [[fl_xid(win) graphicsContext] saveGraphicsState]; // necessary under 10.11
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#endif
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[winview lockFocus];
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}
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// The image depth is 3 until 10.5 and 4 with 10.6 and above
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bitmap = [[NSBitmapImageRep alloc] initWithFocusedViewRect:rect];
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if ( !( through_Fl_X_flush && Fl_Window::current() == win) ) {
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[winview unlockFocus];
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
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if (fl_mac_os_version >= 101100) [[fl_xid(win) graphicsContext] restoreGraphicsState];
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#endif
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}
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}
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return bitmap;
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}
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static NSBitmapImageRep* rect_to_NSBitmapImageRep(Fl_Window *win, int x, int y, int w, int h, bool capture_subwins)
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static NSBitmapImageRep* rect_to_NSBitmapImageRep_subwins(Fl_Window *win, int x, int y, int w, int h, bool capture_subwins)
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/* Captures a rectangle from a mapped window.
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On retina displays, the resulting bitmap has 2 pixels per screen unit.
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The returned value is to be released after use
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*/
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{
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NSBitmapImageRep *bitmap = nil;
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NSRect rect;
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float s = Fl_Graphics_Driver::default_driver().scale();
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if (win->as_gl_window() && y >= 0) {
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bitmap = GL_rect_to_nsbitmap(win, x, y, w, h);
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} else if (views_use_CA) {
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bitmap = rect_to_NSBitmapImageRep_layer(win, x, y, w, h);
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} else {
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NSView *winview = nil;
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if ( through_Fl_X_flush && Fl_Window::current() == win ) {
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rect = NSMakeRect(x - 0.5, y - 0.5, w, h);
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}
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else {
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winview = [fl_xid(win) contentView];
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int view_h = [winview frame].size.height;
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rect = NSMakeRect(int(x*s), int(view_h-y*s-int(h*s)), int(w*s), int(h*s));
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// lock focus to win's view
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
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if (fl_mac_os_version >= 101100) [[fl_xid(win) graphicsContext] saveGraphicsState]; // necessary under 10.11
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#endif
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[winview lockFocus];
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}
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// The image depth is 3 until 10.5 and 4 with 10.6 and above
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bitmap = [[NSBitmapImageRep alloc] initWithFocusedViewRect:rect];
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if ( !( through_Fl_X_flush && Fl_Window::current() == win) ) {
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[winview unlockFocus];
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
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if (fl_mac_os_version >= 101100) [[fl_xid(win) graphicsContext] restoreGraphicsState];
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#endif
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}
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}
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Fl_Rect r(x, y, w, h);
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NSBitmapImageRep *bitmap = [fl_xid(win) rect_to_NSBitmapImageRep:&r];
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if (!capture_subwins || !bitmap) return bitmap;
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// capture also subwindows
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@ -4293,13 +4301,14 @@ static NSBitmapImageRep* rect_to_NSBitmapImageRep(Fl_Window *win, int x, int y,
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CGRect clip = CGRectMake(x, win->h()-(y+h), w, h);
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clip = CGRectIntersection(rsub, clip);
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if (CGRectIsNull(clip)) continue;
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NSBitmapImageRep *childbitmap = rect_to_NSBitmapImageRep(sub, clip.origin.x - sub->x(),
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win->h() - clip.origin.y - sub->y() - clip.size.height, clip.size.width, clip.size.height);
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NSBitmapImageRep *childbitmap = rect_to_NSBitmapImageRep_subwins(sub, clip.origin.x - sub->x(),
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win->h() - clip.origin.y - sub->y() - clip.size.height, clip.size.width, clip.size.height, true);
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if (childbitmap) {
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// if bitmap is high res and childbitmap is not, childbitmap must be rescaled
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if (!win->as_gl_window() && Fl_Cocoa_Window_Driver::driver(win)->mapped_to_retina() && sub->as_gl_window() && !Fl::use_high_res_GL()) {
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childbitmap = scale_nsbitmapimagerep(childbitmap, 2);
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}
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float s = Fl_Graphics_Driver::default_driver().scale();
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write_bitmap_inside(bitmap, w*s, childbitmap,
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(clip.origin.x - x)*s, (win->h() - clip.origin.y - clip.size.height - y)*s );
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}
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@ -4319,11 +4328,8 @@ CGImageRef Fl_Cocoa_Window_Driver::CGImage_from_window_rect(int x, int y, int w,
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CFRelease the returned CGImageRef after use
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*/
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{
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#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_14
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if (views_use_CA && (!capture_subwins || [[fl_xid(pWindow) childWindows] count] == 0)) return rect_to_CGImage_layer(pWindow, x, y, w, h);
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#endif
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CGImageRef img;
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NSBitmapImageRep *bitmap = rect_to_NSBitmapImageRep(pWindow, x, y, w, h, capture_subwins);
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NSBitmapImageRep *bitmap = rect_to_NSBitmapImageRep_subwins(pWindow, x, y, w, h, capture_subwins);
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if (fl_mac_os_version >= 100500) {
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img = (CGImageRef)[bitmap performSelector:@selector(CGImage)]; // requires Mac OS 10.5
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CGImageRetain(img);
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