/************************************************************************
 *
 * File: TextDialog.h
 *
 * Description: 
 * 
 * 
 *  This file is part of the Microsoft Windows SDK Code Samples.
 * 
 *  Copyright (C) Microsoft Corporation.  All rights reserved.
 * 
 * This source code is intended only as a supplement to Microsoft
 * Development Tools and/or on-line documentation.  See these other
 * materials for detailed information regarding Microsoft code samples.
 * 
 * THIS CODE AND INFORMATION ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
 * PARTICULAR PURPOSE.
 * 
 ************************************************************************/

#pragma once

/******************************************************************
*                                                                 *
*  TextDialog                                                     *
*                                                                 *
******************************************************************/

class TextDialog
{
public:
    TextDialog();
    ~TextDialog();

    HRESULT Initialize(HWND hwnd);

    HRESULT DrawD2DContent(
        );

    HRESULT EnumerateFonts(HWND comboBox);

    HRESULT SetFont(wchar_t *fontFamily);
    HRESULT SetFontSize(float size);
    HRESULT SetText(wchar_t *text);

    HRESULT SetBold(bool bold);
    HRESULT SetItalic(bool italic);
    HRESULT SetUnderline(bool underline);

private:
    HRESULT CreateDeviceIndependentResources(
        );

    void DiscardDeviceIndependentResources(
        );

    HRESULT CreateDeviceResources(
        );

    void DiscardDeviceResources(
        );

    HRESULT DrawText(
        );

    void OnResize(
        UINT width,
        UINT height
        );

private:
    HWND hwnd_;

    // How much to scale a design that assumes 96-DPI pixels.
    float dpiScaleX_;
    float dpiScaleY_;

    // Direct2D
    ID2D1Factory* pD2DFactory_;
    ID2D1HwndRenderTarget* pRT_;
    ID2D1SolidColorBrush* pBlackBrush_;

    // DirectWrite
    IDWriteFactory* pDWriteFactory_;
    IDWriteTextFormat* pTextFormat_;
    IDWriteTextLayout* pTextLayout_;

    DWRITE_FONT_WEIGHT weight_;
    DWRITE_FONT_STYLE style_;
    BOOL underline_;

    wchar_t *wszFontFamily_;
    float fontSize_;

    wchar_t *wszText_;
    UINT32 cTextLength_;
};