Restructured the source code in the Playdate bindings target.

2026-07-25 12:40:14 +02:00
parent 2e7ee12ec1
commit b435a6e8bd
106 changed files with 3754 additions and 3746 deletions
@@ -0,0 +1,77 @@
+internal import CPlaydate
+
+private var videoAPI: UnsafePointer<playdate_video> { Playdate.videoAPI.unsafelyUnwrapped }
+
+extension Graphics {
+    /// Plays .pdv video files. Wraps `LCDVideoPlayer`.
+    public final class VideoPlayer {
+        let pointer: OpaquePointer
+        let isOwned: Bool
+        /// Retains the render context bitmap while the player uses it.
+        private var retainedContext: Bitmap?
+
+        init(pointer: OpaquePointer, isOwned: Bool) {
+            self.pointer = pointer
+            self.isOwned = isOwned
+        }
+
+        /// Opens the .pdv file at `path`.
+        public convenience init(path: String) throws(PlaydateError) {
+            let pointer = path.withPlaydateCString { videoAPI.pointee.loadVideo.unsafelyUnwrapped($0) }
+            guard let pointer else {
+                throw PlaydateError(message: "unable to load video: \(path)")
+            }
+            self.init(pointer: pointer, isOwned: true)
+        }
+
+        deinit {
+            if isOwned {
+                videoAPI.pointee.freePlayer.unsafelyUnwrapped(pointer)
+            }
+        }
+
+        /// Sets the bitmap the video renders into.
+        public func setContext(_ context: Bitmap) throws(PlaydateError) {
+            guard videoAPI.pointee.setContext.unsafelyUnwrapped(pointer, context.pointer) != 0 else {
+                throw PlaydateError(message: error ?? "unable to set video context")
+            }
+            retainedContext = context
+        }
+
+        /// The bitmap the video renders into.
+        public var context: Bitmap? {
+            guard let context = videoAPI.pointee.getContext.unsafelyUnwrapped(pointer) else { return nil }
+            return Bitmap(pointer: context, isOwned: false)
+        }
+
+        /// Renders directly into the display framebuffer.
+        public func useScreenContext() {
+            retainedContext = nil
+            videoAPI.pointee.useScreenContext.unsafelyUnwrapped(pointer)
+        }
+
+        /// Renders frame `frame` into the current context.
+        public func renderFrame(_ frame: Int) throws(PlaydateError) {
+            guard videoAPI.pointee.renderFrame.unsafelyUnwrapped(pointer, Int32(frame)) != 0 else {
+                // Static message: the caller knows the frame it passed, and
+                // interpolating it would pull integer formatting machinery
+                // into the device binary.
+                throw PlaydateError(message: error ?? "unable to render frame")
+            }
+        }
+
+        /// The most recent error message, if any.
+        public var error: String? {
+            String(playdateCString: videoAPI.pointee.getError.unsafelyUnwrapped(pointer))
+        }
+
+        /// The video's dimensions, frame rate, frame count, and current frame.
+        public var info: (width: Int, height: Int, frameRate: Float, frameCount: Int, currentFrame: Int) {
+            var width: Int32 = 0, height: Int32 = 0, frameCount: Int32 = 0, currentFrame: Int32 = 0
+            var frameRate: Float = 0
+            videoAPI.pointee.getInfo.unsafelyUnwrapped(pointer, &width, &height, &frameRate,
+                                               &frameCount, &currentFrame)
+            return (Int(width), Int(height), frameRate, Int(frameCount), Int(currentFrame))
+        }
+    }
+}