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Pass size to render callback.

This commit is contained in:
Taylor Holliday 2022-10-05 17:30:48 -07:00
parent 4823d8113c
commit 705c6b6740
5 changed files with 10 additions and 10 deletions
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2
Demo/Shared/DemoView.swift
View File

@ -16,7 +16,7 @@ struct DemoView: View {
vgerRestore(vger)
}
func draw(vger: vgerContext) {
func draw(vger: vgerContext, size: CGSize) {
vgerSave(vger)
let bezPaint = vgerLinearGradient(vger, .init(x: 50, y: 450), .init(x: 100, y: 450), cyan, magenta, 0.0)

2
Demo/Shared/HelloView.swift
View File

@ -6,7 +6,7 @@ struct HelloView: View {
let cyan = SIMD4<Float>(0,1,1,1)
var body: some View {
VgerView { vger in
VgerView { vger, _ in
vgerText(vger, "Hello world. This is V'Ger.", cyan, 0)
}
}

2
Demo/Shared/TigerView.swift
View File

@ -59,7 +59,7 @@ struct TigerView: View {
var body: some View {
GeometryReader { geom in
VgerView { vger in
VgerView { vger, _ in
model.draw(vger: vger, size: geom.size)
}
.gesture(MagnificationGesture().onChanged({ scale in

4
Sources/vgerSwift/Renderer.swift
View File

@ -9,7 +9,7 @@ class Renderer: NSObject, MTKViewDelegate {
var vg = vgerNew(0)
var device: MTLDevice!
var queue: MTLCommandQueue!
var renderCallback : ((OpaquePointer) -> Void)?
var renderCallback : ((vgerContext, CGSize) -> Void)?
static let MaxBuffers = 3
private let inflightSemaphore = DispatchSemaphore(value: MaxBuffers)
@ -46,7 +46,7 @@ class Renderer: NSObject, MTKViewDelegate {
semaphore.signal()
}
renderCallback?(vg!)
renderCallback?(vg!, size)
if let renderPassDescriptor = view.currentRenderPassDescriptor, let currentDrawable = view.currentDrawable {

10
Sources/vgerSwift/VgerView.swift
View File

@ -8,9 +8,9 @@ import vger
public struct VgerView: NSViewRepresentable {
var renderCallback : (OpaquePointer) -> Void
var renderCallback : (vgerContext, CGSize) -> Void
public init(renderCallback: @escaping (OpaquePointer) -> Void) {
public init(renderCallback: @escaping (vgerContext, CGSize) -> Void) {
self.renderCallback = renderCallback
}
@ -40,9 +40,9 @@ public struct VgerView: NSViewRepresentable {
public struct VgerView: UIViewRepresentable {
var renderCallback : (OpaquePointer) -> Void
var renderCallback : (vgerContext, CGSize) -> Void
public init(renderCallback: @escaping (OpaquePointer) -> Void) {
public init(renderCallback: @escaping (vgerContext, CGSize) -> Void) {
self.renderCallback = renderCallback
}
@ -72,7 +72,7 @@ public struct VgerView: UIViewRepresentable {
struct VgerView_Previews: PreviewProvider {
static var previews: some View {
VgerView(renderCallback: { vger in
VgerView(renderCallback: { vger, _ in
vgerText(vger, "hello world", SIMD4<Float>(repeating: 1), 0)
})
}