godot/editor/import/resource_importer_svg.cpp

/**************************************************************************/
/*  resource_importer_svg.cpp                                             */
/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#include "resource_importer_svg.h"

#include "core/io/file_access.h"
#include "scene/resources/dpi_texture.h"

String ResourceImporterSVG::get_importer_name() const {
	return "svg";
}

String ResourceImporterSVG::get_visible_name() const {
	return "DPITexture";
}

void ResourceImporterSVG::get_recognized_extensions(List<String> *p_extensions) const {
	p_extensions->push_back("svg");
}

String ResourceImporterSVG::get_save_extension() const {
	return "dpitex";
}

String ResourceImporterSVG::get_resource_type() const {
	return "DPITexture";
}

bool ResourceImporterSVG::get_option_visibility(const String &p_path, const String &p_option, const HashMap<StringName, Variant> &p_options) const {
	return true;
}

int ResourceImporterSVG::get_preset_count() const {
	return 0;
}

String ResourceImporterSVG::get_preset_name(int p_idx) const {
	return String();
}

void ResourceImporterSVG::get_import_options(const String &p_path, List<ImportOption> *r_options, int p_preset) const {
	r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "base_scale", PROPERTY_HINT_RANGE, "0.001,100,0.001"), 1.0));
	r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "saturation", PROPERTY_HINT_RANGE, "0.0,1.0,0.01"), 1.0));
	r_options->push_back(ImportOption(PropertyInfo(Variant::DICTIONARY, "color_map"), Dictionary()));
	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "compress"), true));
}

Error ResourceImporterSVG::import(ResourceUID::ID p_source_id, const String &p_source_file, const String &p_save_path, const HashMap<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files, Variant *r_metadata) {
	Ref<DPITexture> dpi_tex;
	dpi_tex.instantiate();

	String source = FileAccess::get_file_as_string(p_source_file);
	ERR_FAIL_COND_V_MSG(source.is_empty(), ERR_CANT_OPEN, vformat("Cannot open file from path \"%s\".", p_source_file));

	double base_scale = p_options["base_scale"];
	double saturation = p_options["saturation"];
	Dictionary color_map = p_options["color_map"];

	dpi_tex->set_base_scale(base_scale);
	dpi_tex->set_saturation(saturation);
	dpi_tex->set_color_map(color_map);
	dpi_tex->set_source(source);

	ERR_FAIL_COND_V_MSG(dpi_tex->get_rid().is_null(), ERR_CANT_OPEN, vformat("Failed loading SVG, unsupported or invalid SVG data in \"%s\".", p_source_file));

	int flg = 0;
	if ((bool)p_options["compress"]) {
		flg |= ResourceSaver::SaverFlags::FLAG_COMPRESS;
	}

	print_verbose("Saving to: " + p_save_path + ".dpitex");
	Error err = ResourceSaver::save(dpi_tex, p_save_path + ".dpitex", flg);
	ERR_FAIL_COND_V_MSG(err != OK, err, vformat("Cannot save DPI texture to file \"%s.dpitex\".", p_save_path));
	print_verbose("Done saving to: " + p_save_path + ".dpitex");

	return OK;
}