From 0905103b7e23fc791900aa63587ee6dace11dc53 Mon Sep 17 00:00:00 2001
From: Ahmet Goksu <ahmet@goksu.in>
Date: Mon, 5 Aug 2024 01:54:13 +0300
Subject: [PATCH] make rules works, a draft swift code developed
---
graph/cocoa/grcocoa.h | 17 ++++++
graph/cocoa/grcocoa.swift | 105 ++++++++++++++++++++++++++++++++++++++
graph/cocoa/rules.mk | 30 +++++++++++
graph/grinit.c | 4 ++
4 files changed, 156 insertions(+)
create mode 100644 graph/cocoa/grcocoa.h
create mode 100644 graph/cocoa/grcocoa.swift
create mode 100644 graph/cocoa/rules.mk
diff --git a/graph/cocoa/grcocoa.h b/graph/cocoa/grcocoa.h
new file mode 100644
index 00000000..cf7328e9
--- /dev/null
+++ b/graph/cocoa/grcocoa.h
@@ -0,0 +1,17 @@
+#ifndef GRCOCOA_H_
+#define GRCOCOA_H_
+
+#include "../grobjs.h"
+#include "../grdevice.h"
+#include <Cocoa/Cocoa.h>
+
+int gr_cocoa_device_init(void);
+void gr_cocoa_device_done(void);
+int gr_cocoa_surface_init(grSurface *surface, grBitmap *bitmap);
+void gr_cocoa_surface_done(grSurface *surface);
+void gr_cocoa_surface_refresh_rectangle(grSurface *surface, int x, int y, int w, int h);
+int gr_cocoa_surface_listen_event(grSurface *surface, int event_mask, grEvent *event);
+
+extern grDevice gr_cocoa_device;
+
+#endif /* GRCOCOA_H_ */
diff --git a/graph/cocoa/grcocoa.swift b/graph/cocoa/grcocoa.swift
new file mode 100644
index 00000000..57be3606
--- /dev/null
+++ b/graph/cocoa/grcocoa.swift
@@ -0,0 +1,105 @@
+import Cocoa
+
+struct GrCocoaSurface {
+ var root: grSurface
+ var window: NSWindow?
+ var bitmapRep: NSBitmapImageRep?
+ var imageView: NSImageView?
+
+ init(root: grSurface) {
+ self.root = root
+ }
+
+ mutating func initializeSurface(bitmap: inout grBitmap) -> Bool {
+ let width = Int(bitmap.width)
+ let height = Int(bitmap.rows)
+
+ self.bitmapRep = NSBitmapImageRep(
+ bitmapDataPlanes: nil,
+ pixelsWide: width,
+ pixelsHigh: height,
+ bitsPerSample: 8,
+ samplesPerPixel: 4,
+ hasAlpha: true,
+ isPlanar: false,
+ colorSpaceName: .deviceRGB,
+ bitmapFormat: [],
+ bytesPerRow: width * 4,
+ bitsPerPixel: 32
+ )
+
+ self.window = NSWindow(
+ contentRect: NSMakeRect(0, 0, CGFloat(width), CGFloat(height)),
+ styleMask: [.titled, .closable, .resizable],
+ backing: .buffered,
+ defer: false
+ )
+ self.window?.title = "FreeType Cocoa Demo"
+
+ self.imageView = NSImageView(frame: NSMakeRect(0, 0, CGFloat(width), CGFloat(height)))
+ self.imageView?.image = NSImage(size: NSSize(width: width, height: height))
+ self.window?.contentView?.addSubview(self.imageView!)
+ self.window?.makeKeyAndOrderFront(nil)
+
+ self.root.bitmap = bitmap
+ return true
+ }
+
+ mutating func releaseSurface() {
+ self.window?.close()
+ self.bitmapRep = nil
+ }
+
+ func refreshRectangle(x: Int, y: Int, width: Int, height: Int) {
+ // update bitmap data here
+
+ self.imageView?.image?.addRepresentation(self.bitmapRep!)
+ let rect = NSRect(x: CGFloat(x), y: CGFloat(y), width: CGFloat(width), height: CGFloat(height))
+ self.imageView?.setNeedsDisplay(rect)
+ }
+
+ func listenEvent(eventMask: Int32, event: UnsafeMutablePointer<grEvent>) -> Int32 {
+ // event handling here
+ return 0
+ }
+}
+
+// Expose functions to C
+@_cdecl("gr_cocoa_device_init")
+func gr_cocoa_device_init() -> Int32 {
+ // Initialization code for Cocoa
+ return 0
+}
+
+@_cdecl("gr_cocoa_device_done")
+func gr_cocoa_device_done() {
+ // Cleanup code for Cocoa
+}
+
+@_cdecl("gr_cocoa_surface_init")
+func gr_cocoa_surface_init(surface: UnsafeMutablePointer<grSurface>?, bitmap: UnsafeMutablePointer<grBitmap>?) -> Int32 {
+ guard let surface = surface, let bitmap = bitmap else { return 0 }
+ var cocoaSurface = GrCocoaSurface(root: surface.pointee)
+ return cocoaSurface.initializeSurface(bitmap: &bitmap.pointee) ? 1 : 0
+}
+
+@_cdecl("gr_cocoa_surface_done")
+func gr_cocoa_surface_done(surface: UnsafeMutablePointer<grSurface>?) {
+ guard let surface = surface else { return }
+ var cocoaSurface = GrCocoaSurface(root: surface.pointee)
+ cocoaSurface.releaseSurface()
+}
+
+@_cdecl("gr_cocoa_surface_refresh_rectangle")
+func gr_cocoa_surface_refresh_rectangle(surface: UnsafeMutablePointer<grSurface>?, x: Int32, y: Int32, width: Int32, height: Int32) {
+ guard let surface = surface else { return }
+ let cocoaSurface = GrCocoaSurface(root: surface.pointee)
+ cocoaSurface.refreshRectangle(x: Int(x), y: Int(y), width: Int(width), height: Int(height))
+}
+
+@_cdecl("gr_cocoa_surface_listen_event")
+func gr_cocoa_surface_listen_event(surface: UnsafeMutablePointer<grSurface>?, eventMask: Int32, event: UnsafeMutablePointer<grEvent>?) -> Int32 {
+ guard let surface = surface, let event = event else { return 0 }
+ let cocoaSurface = GrCocoaSurface(root: surface.pointee)
+ return cocoaSurface.listenEvent(eventMask: eventMask, event: event)
+}
diff --git a/graph/cocoa/rules.mk b/graph/cocoa/rules.mk
new file mode 100644
index 00000000..5ba74140
--- /dev/null
+++ b/graph/cocoa/rules.mk
@@ -0,0 +1,30 @@
+#**************************************************************************
+#*
+#* Cocoa specific rules file, used to compile the Cocoa graphics driver
+#* to the graphics subsystem
+#*
+#**************************************************************************
+
+# Compiler and Flags
+SWIFT := swiftc
+SWIFTFLAGS := -import-objc-header $(GRAPH)/cocoa/grcocoa.h
+
+
+# Cocoa specific settings
+ifeq ($(shell uname -s), Darwin)
+ SWIFT_OBJS += $(OBJ_DIR_2)/grcocoa.o
+ FRAMEWORKS = -framework Cocoa
+ LDFLAGS += $(FRAMEWORKS)
+endif
+
+# Targets
+all: cocoa
+
+cocoa: $(SWIFT_OBJS)
+ @echo "Building Cocoa driver"
+
+$(OBJ_DIR_2)/grcocoa.o: $(GRAPH)/cocoa/grcocoa.swift
+ $(SWIFT) $(SWIFTFLAGS) -c $< -o $@
+
+clean:
+ rm -rf $(OBJ_DIR_2)/*.o
diff --git a/graph/grinit.c b/graph/grinit.c
index 0d665d55..0bfc5987 100644
--- a/graph/grinit.c
+++ b/graph/grinit.c
@@ -29,6 +29,10 @@
#include "mac/grmac.h"
#endif
+#ifdef DEVICE_COCOA
+#include "cocoa/grcocoa.h"
+#endif
+
#ifdef DEVICE_ALLEGRO
#include "allegro/gralleg.h"
#endif
--
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