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https://github.com/brl/mutter.git
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595271ac87
This replaces the use of CoglHandle with strongly type CoglClipStack * pointers instead. The only function not converted for now is cogl_is_clip_stack which will be done in a later commit.
78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2007,2008,2009,2010 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#ifndef __COGL_CLIP_STACK_H
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#define __COGL_CLIP_STACK_H
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typedef struct _CoglClipStack CoglClipStack;
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CoglClipStack *
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_cogl_clip_stack_new (void);
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void
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_cogl_clip_stack_push_window_rectangle (CoglClipStack *stack,
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int x_offset,
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int y_offset,
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int width,
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int height);
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void
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_cogl_clip_stack_push_rectangle (CoglClipStack *stack,
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float x_1,
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float y_1,
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float x_2,
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float y_2,
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const CoglMatrix *modelview_matrix);
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void
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_cogl_clip_stack_push_from_path (CoglClipStack *stack,
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CoglPath *path,
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const CoglMatrix *modelview_matrix);
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void
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_cogl_clip_stack_pop (CoglClipStack *stack);
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void
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_cogl_clip_stack_flush (CoglClipStack *stack,
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gboolean *stencil_used_p);
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/* TODO: we may want to make this function public because it can be
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* used to implement a better API than cogl_clip_stack_save() and
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* cogl_clip_stack_restore().
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*/
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/*
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* _cogl_clip_stack_copy:
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* @stack: A #CoglClipStack
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*
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* Creates a copy of the given clip stack and returns a new pointer to
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* it. The data from the original stack is shared with the new stack
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* so making copies is relatively cheap. Modifying the original stack
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* does not affect the new stack.
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*
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* Return value: a new clip stack with the same data as @stack
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*/
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CoglClipStack *
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_cogl_clip_stack_copy (CoglClipStack *stack);
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#endif /* __COGL_CLIP_STACK_H */
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