harmony 鸿蒙drawing_surface.h

2025-06-12
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drawing_surface.h

Overview

The drawing_surface.h file declares the functions related to the surface in the drawing module, including creating, destroying, and using the surface.

File to include: <native_drawing/drawing_surface.h>

Library: libnative_drawing.so

Since: 12

Related module: Drawing

Summary

Functions

Name	Description
OH_Drawing_Surface * OH_Drawing_SurfaceCreateFromGpuContext (OH_Drawing_GpuContext *, bool budgeted, OH_Drawing_Image_Info)	Creates an OH_Drawing_Surface object using the GPU context to manage the content drawn on the canvas.
OH_Drawing_Surface * OH_Drawing_SurfaceCreateOnScreen (OH_Drawing_GpuContext gpuContext, OH_Drawing_Image_Info imageInfo, void window)	Creates an OH_Drawing_Surface object bound to the window using the GPU context to manage the content drawn on the canvas.
OH_Drawing_Canvas * OH_Drawing_SurfaceGetCanvas (OH_Drawing_Surface *)	Obtains a canvas from an OH_Drawing_Surface object.
OH_Drawing_ErrorCode OH_Drawing_SurfaceFlush (OH_Drawing_Surface *surface)	Pushes the drawing content from an OH_Drawing_Surface object to the GPU for rendering.
void OH_Drawing_SurfaceDestroy (OH_Drawing_Surface *)	Destroys an OH_Drawing_Surface object and reclaims the memory occupied.