skia2/include/c/sk_picture.h

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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL
// DO NOT USE -- FOR INTERNAL TESTING ONLY
#ifndef sk_picture_DEFINED
#define sk_picture_DEFINED
#include "sk_types.h"
SK_C_PLUS_PLUS_BEGIN_GUARD
/**
Create a new sk_picture_recorder_t. Its resources should be
released with a call to sk_picture_recorder_delete().
*/
sk_picture_recorder_t* sk_picture_recorder_new();
/**
Release the memory and other resources used by this
sk_picture_recorder_t.
*/
void sk_picture_recorder_delete(sk_picture_recorder_t*);
/**
Returns the canvas that records the drawing commands
@param sk_rect_t* the cull rect used when recording this
picture. Any drawing the falls outside of this
rect is undefined, and may be drawn or it may not.
*/
sk_canvas_t* sk_picture_recorder_begin_recording(sk_picture_recorder_t*, const sk_rect_t*);
/**
Signal that the caller is done recording. This invalidates the
canvas returned by begin_recording. Ownership of the sk_picture_t
is passed to the caller, who must call sk_picture_unref() when
they are done using it. The returned picture is immutable.
*/
sk_picture_t* sk_picture_recorder_end_recording(sk_picture_recorder_t*);
/**
Increment the reference count on the given sk_picture_t. Must be
balanced by a call to sk_picture_unref().
*/
void sk_picture_ref(sk_picture_t*);
/**
Decrement the reference count. If the reference count is 1 before
the decrement, then release both the memory holding the
sk_picture_t and any resouces it may be managing. New
sk_picture_t are created with a reference count of 1.
*/
void sk_picture_unref(sk_picture_t*);
/**
Returns a non-zero value unique among all pictures.
*/
uint32_t sk_picture_get_unique_id(sk_picture_t*);
/**
Return the cull rect specified when this picture was recorded.
*/
sk_rect_t sk_picture_get_bounds(sk_picture_t*);
SK_C_PLUS_PLUS_END_GUARD
#endif