From 296ab6a84320139d233ad587ecf8c47034e48679 Mon Sep 17 00:00:00 2001
From: Alexander Klingenbeck <alexander.klingenbeck@gmx.de>
Date: Sat, 6 May 2023 11:18:25 +0200
Subject: [PATCH] wip struct binding

---
 src/bindings/_js_raylib_texture.h | 110 ++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 src/bindings/_js_raylib_texture.h

diff --git a/src/bindings/_js_raylib_texture.h b/src/bindings/_js_raylib_texture.h
new file mode 100644
index 0000000..2679d8e
--- /dev/null
+++ b/src/bindings/_js_raylib_texture.h
@@ -0,0 +1,110 @@
+
+#ifndef JS_raylib_texture
+#define JS_raylib_texture
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <quickjs.h>
+
+#ifndef countof
+#define countof(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+static JSClassID js_image_class_id;
+
+typedef struct {
+    Image *image;
+    JSContext *ctx;
+    JSValue this_obj;
+} JSImage;
+
+static void js_image_finalizer(JSRuntime *rt, JSValue val) {
+    JSImage *js_image = JS_GetOpaque(val, js_image_class_id);
+    if (js_image) {
+        UnloadImage(*js_image->image);
+        js_free(js_image->ctx, js_image);
+    }
+}
+
+static JSValue js_image_constructor(JSContext *ctx, JSValueConst new_target, int argc, JSValueConst *argv) {
+    const char *filename = JS_ToCString(ctx, argv[0]);
+    Image image = LoadImage(filename);
+    JS_FreeCString(ctx, filename);
+    JSImage *js_image = js_malloc(ctx, sizeof(JSImage));
+    js_image->ctx = ctx;
+    js_image->image = js_malloc(ctx, sizeof(Image));
+    *js_image->image = image;
+    js_image->this_obj = JS_UNDEFINED;
+    JSValue obj = JS_NewObjectClass(ctx, js_image_class_id);
+    js_image->this_obj = obj;
+    JS_SetOpaque(obj, js_image);
+    return obj;
+}
+
+static JSValue js_image_get_width(JSContext *ctx, JSValueConst this_val) {
+    JSImage *js_image = JS_GetOpaque2(ctx, this_val, js_image_class_id);
+    if (!js_image) {
+        return JS_EXCEPTION;
+    }
+    int width = js_image->image->width;
+    return JS_NewInt32(ctx, width);
+}
+
+static JSValue js_image_get_height(JSContext *ctx, JSValueConst this_val) {
+    JSImage *js_image = JS_GetOpaque2(ctx, this_val, js_image_class_id);
+    if (!js_image) {
+        return JS_EXCEPTION;
+    }
+    int height = js_image->image->height;
+    return JS_NewInt32(ctx, height);
+}
+
+static const JSCFunctionListEntry js_image_proto_funcs[] = {
+    JS_CGETSET_DEF("width", js_image_get_width, NULL),
+    JS_CGETSET_DEF("height", js_image_get_height, NULL),
+    JS_PROP_STRING_DEF("[Symbol.toStringTag]", "Image", JS_PROP_CONFIGURABLE),
+};
+
+static const JSCFunctionListEntry js_raylib_texture_funcs[] = {
+    JS_CFUNC_DEF("open", 2, js_std_open )
+};
+
+static int js_raylib_texture_init(JSContext *ctx, JSModuleDef *m) {
+    // Define image struct
+    JS_NewClassID(&js_image_class_id);
+    JSClassDef js_image_class_def = {
+        .class_name = "Image",
+        .finalizer = js_image_finalizer,
+    };
+    JS_NewClass(JS_GetRuntime(ctx), js_image_class_id, &js_image_class_def);
+    JSValue proto = JS_NewObject(ctx);
+    JS_SetPropertyFunctionList(ctx, proto, js_image_proto_funcs, countof(js_image_proto_funcs));
+    JS_SetClassProto(ctx, js_image_class_id, proto);
+
+    JS_SetModuleExportList(ctx, m, js_raylib_texture_funcs, countof(js_raylib_texture_funcs));
+
+    // TODO export module constants
+    //JS_SetModuleExport(ctx, m, "in", js_new_std_file(ctx, stdin, FALSE, FALSE));
+
+    return 0;
+}
+
+JSModuleDef *js_init_module_raylib_texture(JSContext *ctx, const char *module_name)
+{
+    JSModuleDef *m;
+    m = JS_NewCModule(ctx, module_name, js_raylib_texture_init);
+    if (!m)
+        return NULL;
+
+    JS_AddModuleExportList(ctx, m, js_raylib_texture_funcs,countof(js_raylib_texture_funcs));
+
+    //TODO export module contants
+    //JS_AddModuleExport(ctx, m, "in");
+
+    return m;
+}
+
+#endif
+  
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