painthelper.hpp

一个WinCE6。0下的IP phone的源代码

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this sample source code is subject to the terms of the Microsoft
// license agreement under which you licensed this sample source code. If
// you did not accept the terms of the license agreement, you are not
// authorized to use this sample source code. For the terms of the license,
// please see the license agreement between you and Microsoft or, if applicable,
// see the LICENSE.RTF on your install media or the root of your tools installation.
// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
//
#pragma once

#ifndef __PAINTHELPER_HPP__
#define __PAINTHELPER_HPP__

#include <windows.h>
#include <auto_xxx.hxx>


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

    bool operator!();
    operator HBITMAP();

    HRESULT
    Attach(
        HBITMAP Bitmap
        );

    HRESULT
    LoadBitmap(
        HINSTANCE Instance,
        UINT ResourceId
        );

    int
    Height(
        void
        );

    int
    Width(
        void
        );

private:
    ce::auto_hbitmap    m_Bitmap;
    int                 m_Width;
    int                 m_Height;
    bool                m_IsAttached;
};


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

    PaintHelper_t& operator=(
        PaintHelper_t& Source
        );
    operator HDC();

    HRESULT
    Attach(
        HDC hdc
        );

    HRESULT
    Begin(
        HWND hwnd
        );

    void
    End(
        void
        );

    HRESULT
    CreateCanvas(
        HWND hwnd,
        int Width = 0,
        int Height = 0
        );

    HRESULT
    DrawText(
        const WCHAR* pText,
        int TextLength,
        __in const RECT* pRect,
        DWORD StyleFlags
        );

    RECT&
    Rect(
        void
        );

    HBITMAP
    SetBitmap(
        HBITMAP bitmap
        );

    void
    SetBkColor(
        COLORREF color
        );

    void
    SetBkMode(
        int BkMode
        );

    void
    SetBrush(
        HBRUSH brush
        );

    void
    SetFont(
        HFONT font
        );

    void
    SetPen(
        HPEN pen
        );

    void
    SetTextColor(
        COLORREF color
        );

    HRESULT
    TileBlt(
        __in Bitmap_t* pBitmap3x3Tiles,
        __in const RECT* pDestinationRect,
        __in_opt const RECT* pSourceRect,
        int cxLeft,
        int cyTop,
        int cxRight,
        int cyBottom,
        COLORREF TransparentColor
        );

    static
    HRESULT
    CalculateTextDimensions(
        __in const WCHAR* pText,
        int TextLength,
        HFONT FontToBeUsed,
        __inout RECT* pRectangle,
        UINT DrawTextFlags
        );

private:
    static const DWORD  CANVAS_CREATED;

    DWORD               m_Flags;
    ce::auto_hdc        m_hdc;
    ce::auto_hbitmap    m_Bitmap;

    int                 m_OldBkMode;
    HBRUSH              m_OldBrush;
    HFONT               m_OldFont;
    HPEN                m_OldPen;
    COLORREF            m_OldBkColor;
    COLORREF            m_OldTextColor;
    HBITMAP             m_OldBitmap;

    PAINTSTRUCT         m_PaintStruct;
    HWND                m_hwnd;
};

#endif // !defined __PAINTHELPER_HPP__