Documentation: Add figures to document Orientation

Add figures in Documentation/rotation/ to document the plane
transformations defined by the Orientation enumeration.

Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

10 files changed, 1096 insertions, 0 deletions

diff --git a/Documentation/Doxyfile.in b/Documentation/Doxyfile.in
index 697a14d1..a86ea6c1 100644
--- a/Documentation/Doxyfile.in
+++ b/Documentation/Doxyfile.in
@@ -78,6 +78,8 @@ EXPAND_ONLY_PREDEF     = YES
 INCLUDE_PATH           = "@TOP_SRCDIR@/include/libcamera"
 INCLUDE_FILE_PATTERNS  = *.h
 
+IMAGE_PATH             = "@TOP_SRCDIR@/Documentation/images"
+
 PREDEFINED             = __DOXYGEN__ \
                          __cplusplus \
                          __attribute__(x)= \
diff --git a/Documentation/images/rotation/rotate0.svg b/Documentation/images/rotation/rotate0.svg
new file mode 100644
index 00000000..13cde16a
--- /dev/null
+++ b/Documentation/images/rotation/rotate0.svg
@@ -0,0 +1,132 @@
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new file mode 100644
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diff --git a/Documentation/images/rotation/rotate180.svg b/Documentation/images/rotation/rotate180.svg
new file mode 100644
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diff --git a/Documentation/images/rotation/rotate90Mirror.svg b/Documentation/images/rotation/rotate90Mirror.svg
new file mode 100644
index 00000000..1760c462
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@@ -0,0 +1,135 @@
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diff --git a/src/libcamera/orientation.cpp b/src/libcamera/orientation.cpp
index a3465383..965f5a8b 100644
--- a/src/libcamera/orientation.cpp
+++ b/src/libcamera/orientation.cpp
@@ -37,6 +37,23 @@ namespace libcamera {
  * For example, Orientation::Rotate90Mirror describes the orientation obtained
  * by rotating the image 90 degrees clockwise first and then applying a
  * horizontal mirroring.
+ *
+ * \var CameraConfiguration::Rotate0
+ * \image html rotation/rotate0.svg
+ * \var CameraConfiguration::Rotate0Mirror
+ * \image html rotation/rotate0Mirror.svg
+ * \var CameraConfiguration::Rotate180
+ * \image html rotation/rotate180.svg
+ * \var CameraConfiguration::Rotate180Mirror
+ * \image html rotation/rotate180Mirror.svg
+ * \var CameraConfiguration::Rotate90Mirror
+ * \image html rotation/rotate90Mirror.svg
+ * \var CameraConfiguration::Rotate270
+ * \image html rotation/rotate270.svg
+ * \var CameraConfiguration::Rotate270Mirror
+ * \image html rotation/rotate270Mirror.svg
+ * \var CameraConfiguration::Rotate90
+ * \image html rotation/rotate90.svg
  */
 
 /**