SkiaGLView Class Reference

Inheritance diagram for SkiaGLView:

Instance Methods
(void)	- drawRect:
(instancetype)	- initWithFrame:withEAGLContext:withDirectContext:

Properties
SkiaViewController *	controller

Detailed Description

Definition at line 52 of file SkiaGLContext.mm.

Method Documentation

drawRect:

- (void) drawRect:

(CGRect)

rect

Definition at line 53 of file SkiaGLContext.mm.

                :(CGRect)rect {
    SkiaViewController* viewController = [self controller];
    static constexpr double kFrameRate = 1.0 / 30.0;
    double next = [viewController isPaused] ? 0 : kFrameRate + SkTime::GetNSecs() * 1e-9;
 
    [super drawRect:rect];
 
    int width  = (int)[self drawableWidth],
        height = (int)[self drawableHeight];
    if (!(fDContext)) {
        NSLog(@"Error: GrDirectContext missing.\n");
        return;
    }
    if (sk_sp<SkSurface> surface = make_gl_surface(fDContext, width, height)) {
        [viewController draw:rect
                        toCanvas:(surface->getCanvas())
                        atSize:CGSize{(CGFloat)width, (CGFloat)height}];
        fDContext->flushAndSubmit(surface.get());
    }
    if (next) {
        [NSTimer scheduledTimerWithTimeInterval:std::max(0.0, next - SkTime::GetNSecs() * 1e-9)
                 target:self
                 selector:@selector(setNeedsDisplay)
                 userInfo:nil
                 repeats:NO];
    }
}

initWithFrame:withEAGLContext:withDirectContext:

- (instancetype) initWithFrame:		(CGRect)	frame
withEAGLContext:		(EAGLContext*)	eaglContext
withDirectContext:		(GrDirectContext*)	dContext

Initial value:

{
    GrDirectContext* fDContext

Definition at line 53 of file SkiaGLContext.mm.

                             :(CGRect)frame
                withEAGLContext:(EAGLContext*)eaglContext
                withDirectContext:(GrDirectContext*)dContext {
    self = [super initWithFrame:frame context:eaglContext];
    fDContext = dContext;
    configure_glkview_for_skia(self);
    return self;
}

Property Documentation

controller

- (SkiaViewController*) controller

readwriteatomicstrong

Definition at line 53 of file SkiaGLContext.mm.

---

The documentation for this class was generated from the following file:

• third_party/skia/tools/skottie_ios_app/SkiaGLContext.mm