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+/*
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+ * This source file is part of RmlUi, the HTML/CSS Interface Middleware
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+ *
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+ * For the latest information, see http://github.com/mikke89/RmlUi
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+ *
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+ * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
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+ * Copyright (c) 2019-2023 The RmlUi Team, and contributors
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this software and associated documentation files (the "Software"), to deal
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+ * in the Software without restriction, including without limitation the rights
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+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ * copies of the Software, and to permit persons to whom the Software is
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+ * furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * 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, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+ * THE SOFTWARE.
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+ *
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+ */
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+
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+#include "../Common/TestsInterface.h"
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+#include "../Common/TestsShell.h"
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+#include <RmlUi/Core/Context.h>
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+#include <RmlUi/Core/Element.h>
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+#include <RmlUi/Core/ElementDocument.h>
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+#include <doctest.h>
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+#include <float.h>
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+
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+using namespace Rml;
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+
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+static const String document_decorator_rml = R"(
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+<rml>
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+<head>
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+ <title>Test</title>
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+ <link type="text/rcss" href="/assets/rml.rcss"/>
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+ <style>
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+ body {
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+ left: 0;
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+ top: 0;
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+ right: 0;
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+ bottom: 0;
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+ }
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+
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+ @decorator my-gradient : horizontal-gradient {
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+ start-color: #f0f;
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+ stop-color: #fff;
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+ }
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+
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+ div {
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+ border: 20px transparent;
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+ padding: 30px;
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+ width: 50px;
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+ height: 50px;
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+ }
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+
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+ #content_box {
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+ decorator: horizontal-gradient(#f00 #ff0) content-box;
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+ }
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+ #padding_box {
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+ decorator: horizontal-gradient(#f00 #ff0) padding-box;
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+ }
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+ #auto_box {
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+ decorator: horizontal-gradient(#f00 #ff0);
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+ }
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+ #border_box {
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+ decorator: horizontal-gradient(#f00 #ff0) border-box;
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+ }
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+
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+ body.at_decorator #content_box {
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+ decorator: my-gradient content-box;
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+ }
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+ body.at_decorator #padding_box {
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+ decorator: my-gradient padding-box;
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+ }
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+ body.at_decorator #auto_box {
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+ decorator: my-gradient;
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+ }
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+ body.at_decorator #border_box {
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+ decorator: my-gradient border-box;
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+ }
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+ </style>
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+</head>
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+
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+<body>
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+ <div id="content_box"/>
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+ <div id="padding_box"/>
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+ <div id="auto_box"/>
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+ <div id="border_box"/>
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+</body>
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+</rml>
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+)";
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+
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+TEST_CASE("decorator.paint-area")
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+{
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+ TestsRenderInterface* render_interface = TestsShell::GetTestsRenderInterface();
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+ // This test only works with the dummy renderer.
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+ if (!render_interface)
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+ return;
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+
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+ Context* context = TestsShell::GetContext();
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+
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+ ElementDocument* document = context->LoadDocumentFromMemory(document_decorator_rml, "assets/");
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+ document->Show();
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+
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+ for (const bool set_at_decorator_class : {false, true})
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+ {
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+ document->SetClass("at_decorator", set_at_decorator_class);
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+ const byte blue = (set_at_decorator_class ? 255 : 0);
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+
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+ render_interface->ExpectCompileGeometry({
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+ Mesh{
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+ Vector<Vertex>{
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+ {{50, 50}, {255, 0, blue, 255}, {0, 0}},
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+ {{100, 50}, {255, 255, blue, 255}, {0, 0}},
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+ {{100, 100}, {255, 255, blue, 255}, {0, 0}},
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+ {{50, 100}, {255, 0, blue, 255}, {0, 0}},
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+ },
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+ Vector<int>{0, 2, 1, 0, 3, 2},
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+ },
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+ Mesh{
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+ Vector<Vertex>{
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+ {{20, 20}, {255, 0, blue, 255}, {0, 0}},
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+ {{130, 20}, {255, 255, blue, 255}, {0, 0}},
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+ {{130, 130}, {255, 255, blue, 255}, {0, 0}},
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+ {{20, 130}, {255, 0, blue, 255}, {0, 0}},
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+ },
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+ Vector<int>{0, 2, 1, 0, 3, 2},
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+ },
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+ Mesh{
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+ Vector<Vertex>{
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+ {{20, 20}, {255, 0, blue, 255}, {0, 0}},
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+ {{130, 20}, {255, 255, blue, 255}, {0, 0}},
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+ {{130, 130}, {255, 255, blue, 255}, {0, 0}},
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+ {{20, 130}, {255, 0, blue, 255}, {0, 0}},
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+ },
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+ Vector<int>{0, 2, 1, 0, 3, 2},
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+ },
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+ Mesh{
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+ Vector<Vertex>{
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+ {{0, 0}, {255, 0, blue, 255}, {0, 0}},
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+ {{150, 0}, {255, 255, blue, 255}, {0, 0}},
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+ {{150, 150}, {255, 255, blue, 255}, {0, 0}},
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+ {{0, 150}, {255, 0, blue, 255}, {0, 0}},
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+ },
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+ Vector<int>{0, 2, 1, 0, 3, 2},
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+ },
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+ });
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+
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+ context->Update();
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+ context->Render();
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+ }
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+
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+ document->Close();
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+
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+ TestsShell::ShutdownShell();
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+}
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Michael Ragazzon