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comparison libgui/graphics/Canvas.h @ 23535:2aab625b502c

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Add getframe function for opengl based toolkits (bug #48195) * graphics.in.h (graphics_toolkit::get_pixels, base_graphics_toolkit::get_pixels): new virtual methods * graphics.cc (F__get_frame__): new function. * Backend.h/cc (Backend::get_pixels): implement new method * ObjectProxy.h/cc (ObjectProxy::get_pixels): new method, invoke directly Figure object slotGetPixels in Qt::BlockingQueuedConnection mode * Figure.h/cc (Figure::slotGetPixels): new public slot * Canvas.h (Canvas::getPixels, Canvas::do_getPixels): new methods * GLCanvas.h/cc (GLCanvas::do_getPixels): reimplemented method, use opengl_renderer to draw object and get_pixels * __init_fltk__.cc (fltk_graphics_toolkit::get_pixels, figure_manager::get_pixels, figure_manager::do_get_pixels, plot_window::get_pixels, OpenGL_fltk::get_pixels): new methods * gl-renderer.h/cc (opengl_renderer::get_pixels): new method, read pixels in the current opengl scene * getframe.m: new function file * image.txi: add getframe doc * NEWS: announce new function
author Pantxo Diribarne <pantxo.diribarne@gmail.com>
date Tue, 23 May 2017 15:01:27 +0200
parents c763214a8260
children 194eb4bd202b
comparison
equal deleted inserted replaced
23534:b6498c088fca 23535:2aab625b502c
69 69
70 virtual void toggleAxes (const graphics_handle& handle) = 0; 70 virtual void toggleAxes (const graphics_handle& handle) = 0;
71 virtual void toggleGrid (const graphics_handle& handle) = 0; 71 virtual void toggleGrid (const graphics_handle& handle) = 0;
72 virtual void autoAxes (const graphics_handle& handle) = 0; 72 virtual void autoAxes (const graphics_handle& handle) = 0;
73 73
74 virtual uint8NDArray getPixels (void) { return do_getPixels (m_handle); };
75
74 protected: 76 protected:
75 virtual void draw (const graphics_handle& handle) = 0; 77 virtual void draw (const graphics_handle& handle) = 0;
76 virtual void drawZoomBox (const QPoint& p1, const QPoint& p2) = 0; 78 virtual void drawZoomBox (const QPoint& p1, const QPoint& p2) = 0;
77 virtual void resize (int x, int y, int width, int height) = 0; 79 virtual void resize (int x, int y, int width, int height) = 0;
78 virtual graphics_object selectFromAxes (const graphics_object& ax, 80 virtual graphics_object selectFromAxes (const graphics_object& ax,
79 const QPoint& pt) = 0; 81 const QPoint& pt) = 0;
82 virtual uint8NDArray do_getPixels (const graphics_handle& handle) = 0;
80 83
81 protected: 84 protected:
82 Canvas (const graphics_handle& handle) 85 Canvas (const graphics_handle& handle)
83 : m_handle (handle), 86 : m_handle (handle),
84 m_redrawBlocked (false), 87 m_redrawBlocked (false),