mutter/clutter/clutter/clutter-stage-view.h
Jonas Ådahl c2e49f1bb5 clutter: Change stage view scale to be float
To support fractional scaling, change the stage view scale to be a
float instead of an int. Also change the places where it is retrieved
and used when scaling things.

https://bugzilla.gnome.org/show_bug.cgi?id=765011
2017-07-14 20:54:26 +08:00

81 lines
3.0 KiB
C

/*
* Copyright (C) 2016 Red Hat Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __CLUTTER_STAGE_VIEW_H__
#define __CLUTTER_STAGE_VIEW_H__
#include <cairo.h>
#include <glib-object.h>
#include <cogl/cogl.h>
#include "clutter-macros.h"
#define CLUTTER_TYPE_STAGE_VIEW (clutter_stage_view_get_type ())
CLUTTER_AVAILABLE_IN_MUTTER
G_DECLARE_DERIVABLE_TYPE (ClutterStageView, clutter_stage_view,
CLUTTER, STAGE_VIEW,
GObject)
struct _ClutterStageViewClass
{
GObjectClass parent_class;
void (* setup_offscreen_blit_pipeline) (ClutterStageView *view,
CoglPipeline *pipeline);
void (* get_offscreen_transformation_matrix) (ClutterStageView *view,
CoglMatrix *matrix);
};
CLUTTER_AVAILABLE_IN_MUTTER
void clutter_stage_view_get_layout (ClutterStageView *view,
cairo_rectangle_int_t *rect);
CLUTTER_AVAILABLE_IN_MUTTER
CoglFramebuffer *clutter_stage_view_get_framebuffer (ClutterStageView *view);
CLUTTER_AVAILABLE_IN_MUTTER
CoglFramebuffer *clutter_stage_view_get_onscreen (ClutterStageView *view);
CLUTTER_AVAILABLE_IN_MUTTER
void clutter_stage_view_invalidate_offscreen_blit_pipeline (ClutterStageView *view);
CLUTTER_AVAILABLE_IN_MUTTER
void clutter_stage_view_transform_to_onscreen (ClutterStageView *view,
gfloat *x,
gfloat *y);
void clutter_stage_view_blit_offscreen (ClutterStageView *view,
const cairo_rectangle_int_t *clip);
CLUTTER_AVAILABLE_IN_MUTTER
float clutter_stage_view_get_scale (ClutterStageView *view);
gboolean clutter_stage_view_is_dirty_viewport (ClutterStageView *view);
void clutter_stage_view_set_dirty_viewport (ClutterStageView *view,
gboolean dirty);
gboolean clutter_stage_view_is_dirty_projection (ClutterStageView *view);
void clutter_stage_view_set_dirty_projection (ClutterStageView *view,
gboolean dirty);
CLUTTER_AVAILABLE_IN_MUTTER
void clutter_stage_view_get_offscreen_transformation_matrix (ClutterStageView *view,
CoglMatrix *matrix);
#endif /* __CLUTTER_STAGE_VIEW_H__ */