RmlUi/Tests/Source/UnitTests/StyleSheetParser.cpp

/*
 * This source file is part of RmlUi, the HTML/CSS Interface Middleware
 *
 * For the latest information, see http://github.com/mikke89/RmlUi
 *
 * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
 * Copyright (c) 2019-2024 The RmlUi Team, and contributors
 *
 * 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.
 *
 */

#include "../Common/TestsShell.h"
#include <RmlUi/Core/Core.h>
#include <RmlUi/Core/Spritesheet.h>
#include <RmlUi/Core/StreamMemory.h>
#include <RmlUi/Core/StyleSheet.h>
#include <RmlUi/Core/StyleSheetContainer.h>
#include <doctest.h>

static const char spritesheet[] = R"(
@spritesheet test_sheet {
	src: /assets/high_scores_alien_3.tga;
	test00: 0px 0px 64px 64px;
	test01: 64px 0px 64px 64px;
	test10: 0px 64px 64px 64px;
	test11: 64px 64px 64px 64px;
	resolution: 1x;
}
)";

static const char spritesheet_with_path_string_encoding[] = R"(
@spritesheet test_sheet_with_path_string_encoding {
	src: "/assets/test.tga";
	test00: 0px 0px 128px 128px;
	test01: 128px 0px 128px 128px;
	test10: 0px 128px 128px 128px;
	test11: 128px 128px 128px 128px;
	resolution: 2x;
}
)";

using namespace Rml;

TEST_CASE("style_sheet_parser.spritesheet")
{
	Context* context = TestsShell::GetContext();

	{
		StyleSheetContainer style_sheet_container;
		StreamMemory spritesheet_stream{reinterpret_cast<const byte*>(spritesheet), sizeof(spritesheet) - 1};
		style_sheet_container.LoadStyleSheetContainer(&spritesheet_stream, 0);

		style_sheet_container.UpdateCompiledStyleSheet(context);
		const auto* style_sheet = style_sheet_container.GetCompiledStyleSheet();
		CHECK(style_sheet != nullptr);

		const auto* sprite00 = style_sheet->GetSprite("test00");
		CHECK(sprite00 != nullptr);
		CHECK(sprite00->sprite_sheet->name == "test_sheet");
		CHECK(sprite00->sprite_sheet->texture_source.GetSource() == "/assets/high_scores_alien_3.tga");
		CHECK(sprite00->rectangle.TopLeft() == Vector2f(0.f, 0.f));
		CHECK(sprite00->rectangle.BottomRight() == Vector2f(64.f, 64.f));
		CHECK(sprite00->sprite_sheet->display_scale == 1.f);

		const auto* sprite01 = style_sheet->GetSprite("test01");
		CHECK(sprite01 != nullptr);
		CHECK(sprite01->sprite_sheet->name == "test_sheet");
		CHECK(sprite01->sprite_sheet->texture_source.GetSource() == "/assets/high_scores_alien_3.tga");
		CHECK(sprite01->rectangle.TopLeft() == Vector2f(64.f, 0.f));
		CHECK(sprite01->rectangle.BottomRight() == Vector2f(128.f, 64.f));
		CHECK(sprite01->sprite_sheet->display_scale == 1.f);

		const auto* sprite10 = style_sheet->GetSprite("test10");
		CHECK(sprite10 != nullptr);
		CHECK(sprite10->sprite_sheet->name == "test_sheet");
		CHECK(sprite10->sprite_sheet->texture_source.GetSource() == "/assets/high_scores_alien_3.tga");
		CHECK(sprite10->rectangle.TopLeft() == Vector2f(0.f, 64.f));
		CHECK(sprite10->rectangle.BottomRight() == Vector2f(64.f, 128.f));
		CHECK(sprite10->sprite_sheet->display_scale == 1.f);

		const auto* sprite11 = style_sheet->GetSprite("test11");
		CHECK(sprite11 != nullptr);
		CHECK(sprite11->sprite_sheet->name == "test_sheet");
		CHECK(sprite11->sprite_sheet->texture_source.GetSource() == "/assets/high_scores_alien_3.tga");
		CHECK(sprite11->rectangle.TopLeft() == Vector2f(64.f, 64.f));
		CHECK(sprite11->rectangle.BottomRight() == Vector2f(128.f, 128.f));
		CHECK(sprite11->sprite_sheet->display_scale == 1.f);
	}

	TestsShell::ShutdownShell();
}

TEST_CASE("style_sheet_parser.spritesheet_with_path_string_encoding")
{
	Context* context = TestsShell::GetContext();

	{
		StyleSheetContainer style_sheet_container;
		StreamMemory spritesheet_stream{reinterpret_cast<const byte*>(spritesheet_with_path_string_encoding),
			sizeof(spritesheet_with_path_string_encoding) - 1};
		style_sheet_container.LoadStyleSheetContainer(&spritesheet_stream, 0);

		style_sheet_container.UpdateCompiledStyleSheet(context);
		const auto* style_sheet = style_sheet_container.GetCompiledStyleSheet();
		CHECK(style_sheet != nullptr);

		const auto* sprite00 = style_sheet->GetSprite("test00");
		CHECK(sprite00 != nullptr);
		CHECK(sprite00->sprite_sheet->name == "test_sheet_with_path_string_encoding");
		CHECK(sprite00->sprite_sheet->texture_source.GetSource() == "/assets/test.tga");
		CHECK(sprite00->rectangle.TopLeft() == Vector2f(0.f, 0.f));
		CHECK(sprite00->rectangle.BottomRight() == Vector2f(128.f, 128.f));
		CHECK(sprite00->sprite_sheet->display_scale == 0.5f);

		const auto* sprite01 = style_sheet->GetSprite("test01");
		CHECK(sprite01 != nullptr);
		CHECK(sprite01->sprite_sheet->name == "test_sheet_with_path_string_encoding");
		CHECK(sprite01->sprite_sheet->texture_source.GetSource() == "/assets/test.tga");
		CHECK(sprite01->rectangle.TopLeft() == Vector2f(128.f, 0.f));
		CHECK(sprite01->rectangle.BottomRight() == Vector2f(256.f, 128.f));
		CHECK(sprite01->sprite_sheet->display_scale == 0.5f);

		const auto* sprite10 = style_sheet->GetSprite("test10");
		CHECK(sprite10 != nullptr);
		CHECK(sprite10->sprite_sheet->name == "test_sheet_with_path_string_encoding");
		CHECK(sprite10->sprite_sheet->texture_source.GetSource() == "/assets/test.tga");
		CHECK(sprite10->rectangle.TopLeft() == Vector2f(0.f, 128.f));
		CHECK(sprite10->rectangle.BottomRight() == Vector2f(128.f, 256.f));
		CHECK(sprite10->sprite_sheet->display_scale == 0.5f);

		const auto* sprite11 = style_sheet->GetSprite("test11");
		CHECK(sprite11 != nullptr);
		CHECK(sprite11->sprite_sheet->name == "test_sheet_with_path_string_encoding");
		CHECK(sprite11->sprite_sheet->texture_source.GetSource() == "/assets/test.tga");
		CHECK(sprite11->rectangle.TopLeft() == Vector2f(128.f, 128.f));
		CHECK(sprite11->rectangle.BottomRight() == Vector2f(256.f, 256.f));
		CHECK(sprite11->sprite_sheet->display_scale == 0.5f);
	}

	TestsShell::ShutdownShell();
}