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Diffstat (limited to 'editor/editor_resource_preview.cpp')
-rw-r--r--editor/editor_resource_preview.cpp82
1 files changed, 65 insertions, 17 deletions
diff --git a/editor/editor_resource_preview.cpp b/editor/editor_resource_preview.cpp
index 25139b0163..4a7a9fb863 100644
--- a/editor/editor_resource_preview.cpp
+++ b/editor/editor_resource_preview.cpp
@@ -46,20 +46,18 @@ bool EditorResourcePreviewGenerator::handles(const String &p_type) const {
if (get_script_instance() && get_script_instance()->has_method("handles")) {
return get_script_instance()->call("handles", p_type);
}
- ERR_EXPLAIN("EditorResourcePreviewGenerator::handles needs to be overridden");
- ERR_FAIL_V(false);
+ ERR_FAIL_V_MSG(false, "EditorResourcePreviewGenerator::handles needs to be overridden.");
}
-Ref<Texture> EditorResourcePreviewGenerator::generate(const RES &p_from, const Size2 p_size) const {
+Ref<Texture> EditorResourcePreviewGenerator::generate(const RES &p_from, const Size2 &p_size) const {
if (get_script_instance() && get_script_instance()->has_method("generate")) {
return get_script_instance()->call("generate", p_from, p_size);
}
- ERR_EXPLAIN("EditorResourcePreviewGenerator::generate needs to be overridden");
- ERR_FAIL_V(Ref<Texture>());
+ ERR_FAIL_V_MSG(Ref<Texture>(), "EditorResourcePreviewGenerator::generate needs to be overridden.");
}
-Ref<Texture> EditorResourcePreviewGenerator::generate_from_path(const String &p_path, const Size2 p_size) const {
+Ref<Texture> EditorResourcePreviewGenerator::generate_from_path(const String &p_path, const Size2 &p_size) const {
if (get_script_instance() && get_script_instance()->has_method("generate_from_path")) {
return get_script_instance()->call("generate_from_path", p_path, p_size);
@@ -71,7 +69,21 @@ Ref<Texture> EditorResourcePreviewGenerator::generate_from_path(const String &p_
return generate(res, p_size);
}
-bool EditorResourcePreviewGenerator::should_generate_small_preview() const {
+bool EditorResourcePreviewGenerator::generate_small_preview_automatically() const {
+
+ if (get_script_instance() && get_script_instance()->has_method("generate_small_preview_automatically")) {
+ return get_script_instance()->call("generate_small_preview_automatically");
+ }
+
+ return false;
+}
+
+bool EditorResourcePreviewGenerator::can_generate_small_preview() const {
+
+ if (get_script_instance() && get_script_instance()->has_method("can_generate_small_preview")) {
+ return get_script_instance()->call("can_generate_small_preview");
+ }
+
return false;
}
@@ -80,6 +92,8 @@ void EditorResourcePreviewGenerator::_bind_methods() {
ClassDB::add_virtual_method(get_class_static(), MethodInfo(Variant::BOOL, "handles", PropertyInfo(Variant::STRING, "type")));
ClassDB::add_virtual_method(get_class_static(), MethodInfo(CLASS_INFO(Texture), "generate", PropertyInfo(Variant::OBJECT, "from", PROPERTY_HINT_RESOURCE_TYPE, "Resource"), PropertyInfo(Variant::VECTOR2, "size")));
ClassDB::add_virtual_method(get_class_static(), MethodInfo(CLASS_INFO(Texture), "generate_from_path", PropertyInfo(Variant::STRING, "path", PROPERTY_HINT_FILE), PropertyInfo(Variant::VECTOR2, "size")));
+ ClassDB::add_virtual_method(get_class_static(), MethodInfo(Variant::BOOL, "generate_small_preview_automatically"));
+ ClassDB::add_virtual_method(get_class_static(), MethodInfo(Variant::BOOL, "can_generate_small_preview"));
}
EditorResourcePreviewGenerator::EditorResourcePreviewGenerator() {
@@ -154,15 +168,27 @@ void EditorResourcePreview::_generate_preview(Ref<ImageTexture> &r_texture, Ref<
}
r_texture = generated;
- if (r_texture.is_valid() && preview_generators[i]->should_generate_small_preview()) {
- int small_thumbnail_size = EditorNode::get_singleton()->get_theme_base()->get_icon("Object", "EditorIcons")->get_width(); // Kind of a workaround to retreive the default icon size
- small_thumbnail_size *= EDSCALE;
+ int small_thumbnail_size = EditorNode::get_singleton()->get_theme_base()->get_icon("Object", "EditorIcons")->get_width(); // Kind of a workaround to retrieve the default icon size
+ small_thumbnail_size *= EDSCALE;
+
+ if (preview_generators[i]->can_generate_small_preview()) {
+ Ref<Texture> generated_small;
+ if (p_item.resource.is_valid()) {
+ generated_small = preview_generators[i]->generate(p_item.resource, Vector2(small_thumbnail_size, small_thumbnail_size));
+ } else {
+ generated_small = preview_generators[i]->generate_from_path(p_item.path, Vector2(small_thumbnail_size, small_thumbnail_size));
+ }
+ r_small_texture = generated_small;
+ }
+ if (!r_small_texture.is_valid() && r_texture.is_valid() && preview_generators[i]->generate_small_preview_automatically()) {
Ref<Image> small_image = r_texture->get_data();
+ small_image = small_image->duplicate();
small_image->resize(small_thumbnail_size, small_thumbnail_size, Image::INTERPOLATE_CUBIC);
r_small_texture.instance();
r_small_texture->create_from_image(small_image);
}
+
break;
}
@@ -175,7 +201,9 @@ void EditorResourcePreview::_generate_preview(Ref<ImageTexture> &r_texture, Ref<
if (has_small_texture) {
ResourceSaver::save(cache_base + "_small.png", r_small_texture);
}
- FileAccess *f = FileAccess::open(cache_base + ".txt", FileAccess::WRITE);
+ Error err;
+ FileAccess *f = FileAccess::open(cache_base + ".txt", FileAccess::WRITE, &err);
+ ERR_FAIL_COND(err != OK);
f->store_line(itos(thumbnail_size));
f->store_line(itos(has_small_texture));
f->store_line(itos(FileAccess::get_modified_time(p_item.path)));
@@ -187,6 +215,8 @@ void EditorResourcePreview::_generate_preview(Ref<ImageTexture> &r_texture, Ref<
void EditorResourcePreview::_thread() {
+#ifndef SERVER_ENABLED
+ exited = false;
while (!exit) {
preview_sem->wait();
@@ -312,6 +342,8 @@ void EditorResourcePreview::_thread() {
preview_mutex->unlock();
}
}
+#endif
+ exited = true;
}
void EditorResourcePreview::queue_edited_resource_preview(const Ref<Resource> &p_res, Object *p_receiver, const StringName &p_receiver_func, const Variant &p_userdata) {
@@ -416,22 +448,38 @@ void EditorResourcePreview::check_for_invalidation(const String &p_path) {
}
}
+void EditorResourcePreview::start() {
+ ERR_FAIL_COND(thread);
+ thread = Thread::create(_thread_func, this);
+}
+
+void EditorResourcePreview::stop() {
+ if (thread) {
+ exit = true;
+ preview_sem->post();
+ while (!exited) {
+ OS::get_singleton()->delay_usec(10000);
+ VisualServer::get_singleton()->sync(); //sync pending stuff, as thread may be blocked on visual server
+ }
+ Thread::wait_to_finish(thread);
+ memdelete(thread);
+ thread = NULL;
+ }
+}
+
EditorResourcePreview::EditorResourcePreview() {
+ thread = NULL;
singleton = this;
preview_mutex = Mutex::create();
preview_sem = Semaphore::create();
order = 0;
exit = false;
-
- thread = Thread::create(_thread_func, this);
+ exited = false;
}
EditorResourcePreview::~EditorResourcePreview() {
- exit = true;
- preview_sem->post();
- Thread::wait_to_finish(thread);
- memdelete(thread);
+ stop();
memdelete(preview_mutex);
memdelete(preview_sem);
}