godot/scene/resources/dpi_texture.h
2025-08-21 11:39:16 +03:00

106 lines
4.5 KiB
C++

/**************************************************************************/
/* dpi_texture.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#pragma once
#include "core/templates/lru.h"
#include "scene/resources/texture.h"
class BitMap;
class DPITexture : public Texture2D {
GDCLASS(DPITexture, Texture2D);
RES_BASE_EXTENSION("dpitex");
String source;
float base_scale = 1.0;
float saturation = 1.0;
Dictionary color_map;
Size2 size_override;
struct ScalingLevel {
HashSet<DPITexture *> textures;
int32_t refcount = 1;
};
static Mutex mutex;
static HashMap<double, ScalingLevel> scaling_levels;
mutable RID base_texture;
mutable HashMap<double, RID> texture_cache;
mutable Ref<BitMap> alpha_cache;
mutable HashMap<Color, Color> cmap;
mutable Size2 base_size;
mutable Size2 size;
void _remove_scale(double p_scale);
RID _ensure_scale(double p_scale) const;
RID _load_at_scale(double p_scale, bool p_set_size) const;
void _update_texture();
void _clear();
protected:
static void _bind_methods();
public:
static Ref<DPITexture> create_from_string(const String &p_source, float p_scale = 1.0, float p_saturation = 1.0, const Dictionary &p_color_map = Dictionary());
void set_source(const String &p_source);
String get_source() const;
void set_base_scale(float p_scale);
float get_base_scale() const;
void set_color_map(const Dictionary &p_color_map);
Dictionary get_color_map() const;
void set_saturation(float p_saturation);
float get_saturation() const;
Ref<Image> get_image() const override;
int get_width() const override;
int get_height() const override;
virtual RID get_rid() const override;
bool has_alpha() const override;
virtual RID get_scaled_rid() const override;
virtual void draw(RID p_canvas_item, const Point2 &p_pos, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
virtual void draw_rect(RID p_canvas_item, const Rect2 &p_rect, bool p_tile = false, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false) const override;
virtual void draw_rect_region(RID p_canvas_item, const Rect2 &p_rect, const Rect2 &p_src_rect, const Color &p_modulate = Color(1, 1, 1), bool p_transpose = false, bool p_clip_uv = true) const override;
void set_size_override(const Size2i &p_size);
bool is_pixel_opaque(int p_x, int p_y) const override;
static void reference_scaling_level(double p_scale);
static void unreference_scaling_level(double p_scale);
~DPITexture();
};