.. meta:: :description: Using digiKam OpenGL Viewer :keywords: digiKam, documentation, user manual, photo management, open source, free, learn, easy, slide, opengl .. metadata-placeholder :authors: - digiKam Team :license: see Credits and License page for details (https://docs.digikam.org/en/credits_license.html) .. _opengl_viewer: OpenGL Viewer ============= .. contents:: This tool preview a series of items using OpenGL hardware to speed-up rendering. There is no configuration dialog. Calling this tool from :menuselection:`View --> OpenGL Image Viewer` will show items in full-screen mode. .. note:: This tool does not include an OSD (On Screen Display). Navigating between items is done with keyboard and mouse. .. figure:: videos/opengl_viewer.webp :width: 600px :alt: :align: center Screencast of the OpenGL Viewer The usage from Keyboard and mouse to quickly navigate between items is listen below: - Item Access Previous Item: :kbd:`Up` key :kbd:`PgUp` key :kbd:`Left` key Mouse wheel up Next Item: :kbd:`Down` key :kbd:`PgDown` key :kbd:`Right` key Mouse wheel down Quit: :kbd:`Esc` key - Item Display Toggle fullscreen to normal: :kbd:`f` key Toggle scroll-wheel action: :kbd:`c` key (either zoom or change image) Rotation: :kbd:`r` key Reset view: double click Original size: :kbd:`o` key Zooming: Move mouse in up-down-direction while pressing the right mouse button :kbd:`c` key and use the scroll-wheel :kbd:`+` and :kbd:`-` keys :kbd:`ctrl` + scrollwheel Panning: Move mouse while pressing the left button - Others Show help dialog: :kbd:`F1` key