[libcamera-devel] [PATCH 2/3] libcamera: Add geometry.h

[Jacopo Mondi]

Add geometry related definitions in the geometry.h internal header

Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
---
 src/libcamera/geometry.cpp       | 52 ++++++++++++++++++++++++++++++++
 src/libcamera/include/geometry.h | 23 ++++++++++++++
 src/libcamera/meson.build        |  1 +
 3 files changed, 76 insertions(+)
 create mode 100644 src/libcamera/geometry.cpp
 create mode 100644 src/libcamera/include/geometry.h

diff --git a/src/libcamera/geometry.cpp b/src/libcamera/geometry.cpp
new file mode 100644
index 0000000..2cc67e8
--- /dev/null
+++ b/src/libcamera/geometry.cpp
@@ -0,0 +1,52 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * geometry.h - Geometry-related structures
+ */
+
+#include "geometry.h"
+
+/**
+ * \file geometry.h
+ * \brief Structures and data related to geometric objects
+ */
+
+namespace libcamera {
+
+/**
+ * \struct Rectangle
+ * \brief Defines a rectangle sizes and position
+ *
+ * Rectangles are used to identify an area of an image, or of a memory area
+ * than contains one. Their location is identified by the coordinates of their
+ * leftmost and topmost corner, and their horizontal and vertical length.
+ *
+ * The measure unit of the rectangle sizes is defined by the context where the
+ * rectangle is used.
+ *
+ * The reference point from which the Rectangle::x and Rectangle::y
+ * displacements refers to is defined by the context were rectangle is used.
+ */
+
+/**
+ * \var Rectangle::x
+ * \brief The horizontal displacement of the rectangle's leftmost corner
+ */
+
+/**
+ * \var Rectangle::y
+ * \brief The vertical displacement of the rectangle's topmost corner
+ */
+
+/**
+ * \var Rectangle::w
+ * \brief The distance between the leftmost and rightmost corners
+ */
+
+/**
+ * \var Rectangle::h
+ * \brief The distance between the topmost and bottommost corners
+ */
+
+} /* namespace libcamera */
diff --git a/src/libcamera/include/geometry.h b/src/libcamera/include/geometry.h
new file mode 100644
index 0000000..b147c9a
--- /dev/null
+++ b/src/libcamera/include/geometry.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * geometry.h - Geometry-related structure
+ */
+
+#ifndef __LIBCAMERA_GEOMETRY_H__
+#define __LIBCAMERA_GEOMETRY_H__
+
+namespace libcamera {
+
+struct Rectangle
+{
+	int x;
+	int y;
+	unsigned int w;
+	unsigned int h;
+};
+
+} /* namespace libcamera */
+
+#endif /* __LIBCAMERA_GEOMETRY_H__ */
diff --git a/src/libcamera/meson.build b/src/libcamera/meson.build
index 9f6ff99..3d6df2d 100644
--- a/src/libcamera/meson.build
+++ b/src/libcamera/meson.build
@@ -5,6 +5,7 @@ libcamera_sources = files([
     'event_dispatcher.cpp',
     'event_dispatcher_poll.cpp',
     'event_notifier.cpp',
+    'geometry.cpp',
     'log.cpp',
     'media_device.cpp',
     'media_object.cpp',
-- 
2.20.1