1 files changed, 64 insertions, 0 deletions
diff --git a/Userland/Libraries/LibGfx/ShareableBitmap.h b/Userland/Libraries/LibGfx/ShareableBitmap.h
new file mode 100644
index 0000000000..69ed9e7c78
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+++ b/Userland/Libraries/LibGfx/ShareableBitmap.h
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+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/RefPtr.h>
+#include <LibGfx/Bitmap.h>
+#include <LibGfx/Size.h>
+
+namespace Gfx {
+
+class ShareableBitmap {
+public:
+    ShareableBitmap() { }
+    explicit ShareableBitmap(const Gfx::Bitmap&);
+
+    bool is_valid() const { return m_bitmap; }
+
+    i32 shbuf_id() const { return m_bitmap ? m_bitmap->shbuf_id() : -1; }
+
+    const Bitmap* bitmap() const { return m_bitmap; }
+    Bitmap* bitmap() { return m_bitmap; }
+
+    IntSize size() const { return m_bitmap ? m_bitmap->size() : IntSize(); }
+    IntRect rect() const { return m_bitmap ? m_bitmap->rect() : IntRect(); }
+
+    int width() const { return size().width(); }
+    int height() const { return size().height(); }
+
+private:
+    RefPtr<Bitmap> m_bitmap;
+};
+
+}
+
+namespace IPC {
+
+bool encode(Encoder&, const Gfx::ShareableBitmap&);
+bool decode(Decoder&, Gfx::ShareableBitmap&);
+
+}