diff options
author | halcanary <halcanary@google.com> | 2015-09-01 10:45:09 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2015-09-01 10:45:09 -0700 |
commit | c9119060a0a2739f53b8e966e8fcd9ff58024580 (patch) | |
tree | 5b821fe961ab8f36f42d5fc49d7163a27ff33542 /include/c/sk_picture.h | |
parent | 2a4a4219aa8b9a44358dbff5ff7c220950601387 (diff) |
Documentation: C API comments
Review URL: https://codereview.chromium.org/1271023002
Diffstat (limited to 'include/c/sk_picture.h')
-rw-r--r-- | include/c/sk_picture.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/c/sk_picture.h b/include/c/sk_picture.h index f062d32e69..338b7d906a 100644 --- a/include/c/sk_picture.h +++ b/include/c/sk_picture.h @@ -15,16 +15,54 @@ 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 |