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New member function Fl_Cocoa_Window_Driver::capture_decorated_window_10_6(NSWindow*)

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This function hides the code to capture an image of a window that varies a lot with macOS versions
This commit is contained in:
ManoloFLTK 2024-11-01 18:25:59 +01:00
parent abf28f0b70
commit 7ce5b74e12
2 changed files with 48 additions and 30 deletions
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75
src/Fl_cocoa.mm
View File

@ -4628,7 +4628,7 @@ int Fl_Cocoa_Window_Driver::decorated_h()
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_15_0
// Requires -weak_framework ScreenCaptureKit and used by FLTK for macOS ≥ 15.0
static CGImageRef capture_titlebar_macOS15(NSWindow *nswin) {
static CGImageRef capture_decorated_window_SCK(NSWindow *nswin) {
if (@available(macOS 15.0, *)) {
__block CGImageRef capture = NULL;
__block BOOL capture_err = NO;
@ -4699,45 +4699,60 @@ static CGImageRef capture_titlebar_macOS15(NSWindow *nswin) {
NSWindow *xid = (NSWindow*)[xid_array objectAtIndex:i];
if (mask != [xid styleMask]) [xid setStyleMask:mask];
}
int bt = [nswin frame].size.height - [[nswin contentView] frame].size.height;
int s = CGImageGetWidth(capture) / W;
CGRect cgr = CGRectMake(0, 0, W * s, bt * s);
CGImageRef title_bar = CGImageCreateWithImageInRect(capture, cgr);
CGImageRelease(capture);
return title_bar;
return capture;
} else return NULL;
}
#endif //MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_15_0
CGImageRef Fl_Cocoa_Window_Driver::capture_decorated_window_10_6(NSWindow *nswin) {
// usable with 10.6 and above
CGImageRef img = NULL;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
# if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_15_0
if (fl_mac_os_version >= 150000)
img = capture_decorated_window_SCK(nswin);
else
#endif
{
# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_VERSION_15_0
NSInteger win_id = [nswin windowNumber];
CFArrayRef array = CFArrayCreate(NULL, (const void**)&win_id, 1, NULL);
img = CGWindowListCreateImageFromArray(CGRectNull, array, kCGWindowImageBoundsIgnoreFraming); // 10.5
CFRelease(array);
# endif
}
#endif // >= MAC_OS_X_VERSION_10_5
return img;
}
static CGImageRef capture_window_titlebar(Fl_Window *win, Fl_Cocoa_Window_Driver *cocoa_dr) {
CGImageRef img;
if (fl_mac_os_version >= 100600) { // verified OK from 10.6
FLWindow *nswin = fl_xid(win);
CGImageRef img_full = Fl_Cocoa_Window_Driver::capture_decorated_window_10_6(nswin);
int bt = [nswin frame].size.height - [[nswin contentView] frame].size.height;
int s = CGImageGetWidth(img_full) / [nswin frame].size.width;
CGRect cgr = CGRectMake(0, 0, CGImageGetWidth(img_full), bt * s);
img = CGImageCreateWithImageInRect(img_full, cgr);
CGImageRelease(img_full);
} else {
int w = win->w(), h = win->decorated_h() - win->h();
Fl_Graphics_Driver::default_driver().scale(1);
img = cocoa_dr->CGImage_from_window_rect(0, -h, w, h, false);
Fl_Graphics_Driver::default_driver().scale(Fl::screen_driver()->scale(win->screen_num()));
}
return img;
}
void Fl_Cocoa_Window_Driver::draw_titlebar_to_context(CGContextRef gc, int w, int h)
{
FLWindow *nswin = fl_xid(pWindow);
if ([nswin canBecomeMainWindow]) [nswin makeMainWindow];
[NSApp nextEventMatchingMask:NSEventMaskAny untilDate:nil inMode:NSDefaultRunLoopMode dequeue:NO];
CGImageRef img = NULL;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
# if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_15_0
if (fl_mac_os_version >= 150000) img = capture_titlebar_macOS15(nswin);
else
# endif
if (fl_mac_os_version >= 100600) { // verified OK from 10.6
NSInteger win_id = [nswin windowNumber];
CFArrayRef array = CFArrayCreate(NULL, (const void**)&win_id, 1, NULL);
CGRect rr = NSRectToCGRect([nswin frame]);
rr.origin.y = CGDisplayBounds(CGMainDisplayID()).size.height - (rr.origin.y + rr.size.height);
rr.size.height = h;
# if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_VERSION_15_0
img = CGWindowListCreateImageFromArray(rr, array, kCGWindowImageBoundsIgnoreFraming); // 10.5
# endif
CFRelease(array);
} else
#endif
{
Fl_Graphics_Driver::default_driver().scale(1);
img = CGImage_from_window_rect(0, -h, w, h, false);
Fl_Graphics_Driver::default_driver().scale(Fl::screen_driver()->scale(screen_num()));
}
CGImageRef img = capture_window_titlebar(pWindow, this);
if (img) {
CGContextSaveGState(gc);
if (fl_mac_os_version < 100600) clip_to_rounded_corners(gc, w, h);

3
src/drivers/Cocoa/Fl_Cocoa_Window_Driver.H
View File

@ -37,6 +37,7 @@ class Fl_Window;
@class NSOpenGLContext;
@class NSOpenGLPixelFormat;
@class NSView;
@class NSWindow;
#else
class CALayer;
class NSCursor;
@ -45,6 +46,7 @@ class FLWindow;
class NSOpenGLContext;
class NSOpenGLPixelFormat;
class NSView;
class NSWindow;
#endif // __OBJC__
/**
@ -95,6 +97,7 @@ public:
NSCursor *cursor;
static void q_release_context(Fl_Cocoa_Window_Driver *x = 0); // free all resources associated with gc
static void clip_to_rounded_corners(CGContextRef gc, int w, int h);
static CGImageRef capture_decorated_window_10_6(NSWindow *nswin);
void set_key_window();
bool mapped_to_retina(); // is window mapped to retina display?
void mapped_to_retina(bool); // sets whether window is mapped to retina display