mirror of
https://github.com/godotengine/godot.git
synced 2024-11-10 14:12:51 +00:00
121 lines
4.7 KiB
C++
121 lines
4.7 KiB
C++
/*************************************************************************/
|
|
/* editor_resource_preview.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#ifndef EDITORRESOURCEPREVIEW_H
|
|
#define EDITORRESOURCEPREVIEW_H
|
|
|
|
#include "core/os/semaphore.h"
|
|
#include "core/os/thread.h"
|
|
#include "scene/main/node.h"
|
|
#include "scene/resources/texture.h"
|
|
|
|
class EditorResourcePreviewGenerator : public Reference {
|
|
|
|
GDCLASS(EditorResourcePreviewGenerator, Reference);
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
|
|
public:
|
|
virtual bool handles(const String &p_type) const;
|
|
virtual Ref<Texture2D> generate(const RES &p_from, const Size2 &p_size) const;
|
|
virtual Ref<Texture2D> generate_from_path(const String &p_path, const Size2 &p_size) const;
|
|
|
|
virtual bool generate_small_preview_automatically() const;
|
|
virtual bool can_generate_small_preview() const;
|
|
|
|
EditorResourcePreviewGenerator();
|
|
};
|
|
|
|
class EditorResourcePreview : public Node {
|
|
|
|
GDCLASS(EditorResourcePreview, Node);
|
|
|
|
static EditorResourcePreview *singleton;
|
|
|
|
struct QueueItem {
|
|
Ref<Resource> resource;
|
|
String path;
|
|
ObjectID id;
|
|
StringName function;
|
|
Variant userdata;
|
|
};
|
|
|
|
List<QueueItem> queue;
|
|
|
|
Mutex *preview_mutex;
|
|
SemaphoreOld *preview_sem;
|
|
Thread *thread;
|
|
volatile bool exit;
|
|
volatile bool exited;
|
|
|
|
struct Item {
|
|
Ref<Texture2D> preview;
|
|
Ref<Texture2D> small_preview;
|
|
int order;
|
|
uint32_t last_hash;
|
|
uint64_t modified_time;
|
|
};
|
|
|
|
int order;
|
|
|
|
Map<String, Item> cache;
|
|
|
|
void _preview_ready(const String &p_str, const Ref<Texture2D> &p_texture, const Ref<Texture2D> &p_small_texture, ObjectID id, const StringName &p_func, const Variant &p_ud);
|
|
void _generate_preview(Ref<ImageTexture> &r_texture, Ref<ImageTexture> &r_small_texture, const QueueItem &p_item, const String &cache_base);
|
|
|
|
static void _thread_func(void *ud);
|
|
void _thread();
|
|
|
|
Vector<Ref<EditorResourcePreviewGenerator> > preview_generators;
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
|
|
public:
|
|
static EditorResourcePreview *get_singleton();
|
|
|
|
//callback function is callback(String p_path,Ref<Texture2D> preview,Variant udata) preview null if could not load
|
|
void queue_resource_preview(const String &p_path, Object *p_receiver, const StringName &p_receiver_func, const Variant &p_userdata);
|
|
void queue_edited_resource_preview(const Ref<Resource> &p_res, Object *p_receiver, const StringName &p_receiver_func, const Variant &p_userdata);
|
|
|
|
void add_preview_generator(const Ref<EditorResourcePreviewGenerator> &p_generator);
|
|
void remove_preview_generator(const Ref<EditorResourcePreviewGenerator> &p_generator);
|
|
void check_for_invalidation(const String &p_path);
|
|
|
|
void start();
|
|
void stop();
|
|
|
|
EditorResourcePreview();
|
|
~EditorResourcePreview();
|
|
};
|
|
|
|
#endif // EDITORRESOURCEPREVIEW_H
|