urho3d/Source/Samples/47_Typography/Typography.h

//
// Copyright (c) 2008-2017 the Urho3D project.
//
// 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
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

#pragma once

#include "Sample.h"

/// Text rendering example.
/// Displays text at various sizes, with checkboxes to change the rendering parameters.
class Typography : public Sample
{
    URHO3D_OBJECT(Typography, Sample);

public:
    /// Construct.
    Typography(Context* context);

    /// Setup after engine initialization and before running the main loop.
    virtual void Start();

protected:
    /// Return XML patch instructions for screen joystick layout for a specific sample app, if any.
    virtual String GetScreenJoystickPatchString() const { return
        "<patch>"
        "    <add sel=\"/element/element[./attribute[@name='Name' and @value='Hat0']]\">"
        "        <attribute name=\"Is Visible\" value=\"false\" />"
        "    </add>"
        "</patch>";
    }

private:
    SharedPtr<UIElement> uielement_;

    void CreateText();
    SharedPtr<CheckBox> CreateCheckbox(const String& label, EventHandler* handler);
    SharedPtr<DropDownList> CreateMenu(const String& label, const char** items, EventHandler* handler);

    void HandleWhiteBackground(StringHash eventType, VariantMap& eventData);
    void HandleSRGB(StringHash eventType, VariantMap& eventData);
    void HandleForceAutoHint(StringHash eventType, VariantMap& eventData);
    void HandleFontHintLevel(StringHash eventType, VariantMap& eventData);
    void HandleFontSubpixel(StringHash eventType, VariantMap& eventData);
    void HandleFontOversampling(StringHash eventType, VariantMap& eventData);
};