tam

client/internal/screen/screen_darwin.go

@@ -0,0 +1,105 @@
+//go:build darwin
+
+package screen
+
+/*
+#cgo CFLAGS: -x objective-c -Wno-deprecated-declarations -Wno-unguarded-availability-new
+#cgo LDFLAGS: -framework CoreGraphics -framework Foundation -framework AppKit
+
+// Disable availability checks - we handle this at runtime
+#define __API_UNAVAILABLE(...)
+#define API_UNAVAILABLE(...)
+
+#import <CoreGraphics/CoreGraphics.h>
+#import <AppKit/AppKit.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dlfcn.h>
+
+// Use dlsym to call CGWindowListCreateImage dynamically to bypass macOS 15 availability check
+typedef CGImageRef (*CGWindowListCreateImageFunc)(CGRect, CGWindowListOption, CGWindowID, CGWindowImageOption);
+
+static unsigned char* CaptureFullDesktop(int* outLen, int quality) {
+    // Dynamically load CGWindowListCreateImage to bypass compile-time availability check
+    static CGWindowListCreateImageFunc createImageFunc = NULL;
+    if (!createImageFunc) {
+        void *handle = dlopen("/System/Library/Frameworks/CoreGraphics.framework/CoreGraphics", RTLD_LAZY);
+        if (handle) {
+            createImageFunc = (CGWindowListCreateImageFunc)dlsym(handle, "CGWindowListCreateImage");
+        }
+    }
+
+    if (!createImageFunc) {
+        *outLen = 0;
+        return NULL;
+    }
+
+    CGImageRef image = createImageFunc(
+        CGRectInfinite,
+        kCGWindowListOptionOnScreenOnly,
+        kCGNullWindowID,
+        kCGWindowImageDefault
+    );
+
+    if (!image) {
+        *outLen = 0;
+        return NULL;
+    }
+
+    @autoreleasepool {
+        NSBitmapImageRep *rep = [[NSBitmapImageRep alloc] initWithCGImage:image];
+        CGImageRelease(image);
+
+        if (!rep) {
+            *outLen = 0;
+            return NULL;
+        }
+
+        float q = (float)quality / 100.0f;
+        if (q < 0.1f) q = 0.1f;
+        if (q > 1.0f) q = 1.0f;
+
+        NSDictionary *props = @{NSImageCompressionFactor: @(q)};
+        NSData *jpegData = [rep representationUsingType:NSBitmapImageFileTypeJPEG properties:props];
+
+        if (!jpegData || jpegData.length == 0) {
+            *outLen = 0;
+            return NULL;
+        }
+
+        *outLen = (int)jpegData.length;
+        unsigned char *buf = (unsigned char*)malloc(jpegData.length);
+        memcpy(buf, jpegData.bytes, jpegData.length);
+        return buf;
+    }
+}
+*/
+import "C"
+import (
+	"encoding/base64"
+	"fmt"
+	"log"
+	"unsafe"
+)
+
+// CaptureScreen captures the full desktop on macOS using CGWindowListCreateImage (via dlsym)
+// Returns a data:image/jpeg;base64,... string
+func CaptureScreen() (string, error) {
+	var outLen C.int
+	quality := C.int(50) // JPEG quality 50%
+
+	buf := C.CaptureFullDesktop(&outLen, quality)
+	if buf == nil || int(outLen) == 0 {
+		return "", fmt.Errorf("failed to capture screen: CGWindowListCreateImage returned nil")
+	}
+	defer C.free(unsafe.Pointer(buf))
+
+	jpegBytes := C.GoBytes(unsafe.Pointer(buf), outLen)
+
+	if len(jpegBytes) < 100 {
+		log.Printf("[SCREEN] Warning: captured image is very small (%d bytes), may indicate permission issue", len(jpegBytes))
+	}
+
+	encoded := base64.StdEncoding.EncodeToString(jpegBytes)
+	return "data:image/jpeg;base64," + encoded, nil
+}

client/internal/screen/screen_other.go

@@ -1,3 +1,5 @@
+//go:build !darwin
+
 package screen
 
 import (
@@ -10,6 +12,7 @@ import (
 )
 
 // CaptureScreen chụp màn hình chính và trả về chuỗi Base64 dạng "data:image/jpeg;base64,..."
+// Non-darwin: dùng kbinani/screenshot
 func CaptureScreen() (string, error) {
 	n := screenshot.NumActiveDisplays()
 	if n <= 0 {