dcd0f4322a
It is opaque if the texture has no alpha channel, or if the opaque region covers the whole content. Internally uses a function that checks whether there is an alpha channel. This API will be exposed at a later time as well. https://gitlab.gnome.org/GNOME/mutter/merge_requests/734
65 lines
3.2 KiB
C
65 lines
3.2 KiB
C
/*
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* shaped texture
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*
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* An actor to draw a texture clipped to a list of rectangles
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*
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* Authored By Neil Roberts <neil@linux.intel.com>
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*
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* Copyright (C) 2008 Intel Corporation
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* 2013 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef __META_SHAPED_TEXTURE_PRIVATE_H__
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#define __META_SHAPED_TEXTURE_PRIVATE_H__
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#include "backends/meta-monitor-manager-private.h"
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#include "meta/meta-shaped-texture.h"
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MetaShapedTexture *meta_shaped_texture_new (void);
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void meta_shaped_texture_set_texture (MetaShapedTexture *stex,
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CoglTexture *texture);
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void meta_shaped_texture_set_is_y_inverted (MetaShapedTexture *stex,
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gboolean is_y_inverted);
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void meta_shaped_texture_set_snippet (MetaShapedTexture *stex,
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CoglSnippet *snippet);
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void meta_shaped_texture_set_fallback_size (MetaShapedTexture *stex,
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int fallback_width,
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int fallback_height);
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cairo_region_t * meta_shaped_texture_get_opaque_region (MetaShapedTexture *stex);
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gboolean meta_shaped_texture_is_opaque (MetaShapedTexture *stex);
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void meta_shaped_texture_set_transform (MetaShapedTexture *stex,
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MetaMonitorTransform transform);
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void meta_shaped_texture_set_viewport_src_rect (MetaShapedTexture *stex,
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ClutterRect *src_rect);
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void meta_shaped_texture_reset_viewport_src_rect (MetaShapedTexture *stex);
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void meta_shaped_texture_set_viewport_dst_size (MetaShapedTexture *stex,
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int dst_width,
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int dst_height);
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void meta_shaped_texture_reset_viewport_dst_size (MetaShapedTexture *stex);
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void meta_shaped_texture_set_buffer_scale (MetaShapedTexture *stex,
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int buffer_scale);
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int meta_shaped_texture_get_buffer_scale (MetaShapedTexture *stex);
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gboolean meta_shaped_texture_update_area (MetaShapedTexture *stex,
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int x,
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int y,
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int width,
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int height,
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cairo_rectangle_int_t *clip);
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#endif
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