From bbd7d9cb5910448988ea3fbb6bb7b7c5bca75363 Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Wed, 21 Jan 2015 12:09:50 +0000
Subject: Have Fl_Paged_Device::print_window() print window title bars with
 rounded angles under Yosemite also.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10529 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_cocoa.mm | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src')

diff --git a/src/Fl_cocoa.mm b/src/Fl_cocoa.mm
index 9cad4f3b6..e5db31868 100644
--- a/src/Fl_cocoa.mm
+++ b/src/Fl_cocoa.mm
@@ -4277,6 +4277,20 @@ int Fl_Window::decorated_h()
   return h() + bt + by;
 }
 
+#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
+// clip the graphics context to round top angles, as in window title bars
+static void apply_titlebar_clipping(CGContextRef gc, int w, int h) {
+  const CGFloat radius = 4;
+  CGContextMoveToPoint(gc, 0, 0);
+  CGContextAddLineToPoint(gc, 0, h - radius);
+  CGContextAddArcToPoint(gc, 0, h,  radius, h, radius);
+  CGContextAddLineToPoint(gc, w - radius, h);
+  CGContextAddArcToPoint(gc, w, h, w, h - radius, radius);
+  CGContextAddLineToPoint(gc, w, 0);
+  CGContextClip(gc);
+}
+#endif
+
 void Fl_Paged_Device::print_window(Fl_Window *win, int x_offset, int y_offset)
 {
   if (!win->shown() || win->parent() || !win->border() || !win->visible()) {
@@ -4295,6 +4309,7 @@ void Fl_Paged_Device::print_window(Fl_Window *win, int x_offset, int y_offset)
         CGContextSaveGState(fl_gc);
         CGContextTranslateCTM(fl_gc, x_offset - 0.5, y_offset + bt - 0.5);
         CGContextScaleCTM(fl_gc, 1, -1);
+        apply_titlebar_clipping(fl_gc, win->w(), bt);
         [layer renderInContext:fl_gc]; // 10.5 // print all title bar
         CGContextRestoreGState(fl_gc);
       }
@@ -4302,6 +4317,8 @@ void Fl_Paged_Device::print_window(Fl_Window *win, int x_offset, int y_offset)
         CGColorSpaceRef cspace = CGColorSpaceCreateDeviceRGB ();
         CGContextRef gc = CGBitmapContextCreate(NULL, win->w(), bt, 8, 0, cspace, kCGImageAlphaPremultipliedLast);
         CGColorSpaceRelease(cspace);
+        CGContextClearRect(gc, CGRectMake(0, 0, win->w(), bt));
+        apply_titlebar_clipping(gc, win->w(), bt);
         [layer renderInContext:gc]; // 10.5 // draw all title bar to bitmap
         Fl_RGB_Image *image = new Fl_RGB_Image((const uchar*)CGBitmapContextGetData(gc), win->w(), bt, 4,
                                                CGBitmapContextGetBytesPerRow(gc)); // 10.2
-- 
cgit v1.2.3