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106 lines
4.5 KiB
C++
106 lines
4.5 KiB
C++
/**************************************************************************/
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/* dpi_texture.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#pragma once
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#include "core/templates/lru.h"
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#include "scene/resources/texture.h"
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class BitMap;
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class DPITexture : public Texture2D {
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GDCLASS(DPITexture, Texture2D);
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RES_BASE_EXTENSION("dpitex");
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String source;
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float base_scale = 1.0;
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float saturation = 1.0;
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Dictionary color_map;
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Size2 size_override;
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struct ScalingLevel {
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HashSet<DPITexture *> textures;
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int32_t refcount = 1;
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};
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static Mutex mutex;
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static HashMap<double, ScalingLevel> scaling_levels;
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mutable RID base_texture;
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mutable HashMap<double, RID> texture_cache;
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mutable Ref<BitMap> alpha_cache;
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mutable HashMap<Color, Color> cmap;
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mutable Size2 base_size;
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mutable Size2 size;
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void _remove_scale(double p_scale);
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RID _ensure_scale(double p_scale) const;
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RID _load_at_scale(double p_scale, bool p_set_size) const;
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void _update_texture();
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void _clear();
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protected:
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static void _bind_methods();
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public:
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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());
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void set_source(const String &p_source);
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String get_source() const;
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void set_base_scale(float p_scale);
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float get_base_scale() const;
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void set_color_map(const Dictionary &p_color_map);
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Dictionary get_color_map() const;
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void set_saturation(float p_saturation);
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float get_saturation() const;
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Ref<Image> get_image() const override;
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int get_width() const override;
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int get_height() const override;
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virtual RID get_rid() const override;
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bool has_alpha() const override;
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virtual RID get_scaled_rid() const override;
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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;
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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;
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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;
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void set_size_override(const Size2i &p_size);
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bool is_pixel_opaque(int p_x, int p_y) const override;
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static void reference_scaling_level(double p_scale);
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static void unreference_scaling_level(double p_scale);
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~DPITexture();
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};
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