From 152cc52d89123f11724f0a5d3252309ba9ff314e Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Mon, 17 Jun 2024 15:35:02 +0200
Subject: Wayland: capture window titlebar as depth-4 image

---
 src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src/drivers')

diff --git a/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx b/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
index c4587cf07..139ba2ea9 100644
--- a/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
+++ b/src/drivers/Wayland/Fl_Wayland_Window_Driver.cxx
@@ -321,7 +321,7 @@ void Fl_Wayland_Window_Driver::capture_titlebar_and_borders(Fl_RGB_Image*& top,
   int width, height, stride;
   uchar *cairo_data = fl_libdecor_titlebar_buffer(wwin->frame, &width, &height, &stride);
   if (!cairo_data) return;
-  uchar *data = new uchar[width * height * 3];
+  uchar *data = new uchar[width * height * 4];
   uchar *p = data;
   for (int j = 0; j < height; j++) {
     uchar *q = cairo_data + j * stride;
@@ -329,10 +329,11 @@ void Fl_Wayland_Window_Driver::capture_titlebar_and_borders(Fl_RGB_Image*& top,
       *p++ = *(q+2); // R
       *p++ = *(q+1); // G
       *p++ = *q;     // B
+      *p++ = *(q+3); // A
       q += 4;
     }
   }
-  top = new Fl_RGB_Image(data, width, height, 3);
+  top = new Fl_RGB_Image(data, width, height, 4);
   top->alloc_array = 1;
   top->scale(pWindow->w(), htop);
 }
-- 
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