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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef _FWL_THEME_H
#define _FWL_THEME_H
class IFWL_Widget;
class CFWL_ThemePart;
class CFWL_ThemeBackground;
class CFWL_ThemeText;
class CFWL_ThemeElement;
class IFWL_ThemeProvider;
#define FWL_WGTCAPACITY_CXBorder 1
#define FWL_WGTCAPACITY_CYBorder 2
#define FWL_WGTCAPACITY_ScrollBarWidth 3
#define FWL_WGTCAPACITY_EdgeFlat 4
#define FWL_WGTCAPACITY_EdgeRaised 5
#define FWL_WGTCAPACITY_EdgeSunken 6
#define FWL_WGTCAPACITY_Font 7
#define FWL_WGTCAPACITY_FontSize 8
#define FWL_WGTCAPACITY_TextColor 9
#define FWL_WGTCAPACITY_TextSelColor 10
#define FWL_WGTCAPACITY_LineHeight 11
#define FWL_WGTCAPACITY_UIMargin 12
#define FWL_WGTCAPACITY_SpaceAboveBelow 13
#define FWL_WGTCAPACITY_MAX 65535
class CFWL_ThemePart
{
public:
CFWL_ThemePart()
: m_pWidget(NULL)
, m_iPart(0)
, m_dwStates(0)
, m_dwData(0)
, m_pData(NULL)
{
m_rtPart.Reset();
m_matrix.Reset();
}
CFX_Matrix m_matrix;
CFX_RectF m_rtPart;
IFWL_Widget *m_pWidget;
int32_t m_iPart;
FX_DWORD m_dwStates;
FX_DWORD m_dwData;
FX_LPVOID m_pData;
};
class CFWL_ThemeBackground : public CFWL_ThemePart
{
public:
CFWL_ThemeBackground()
: m_pGraphics(NULL)
, m_pImage(NULL)
, m_pPath(NULL)
{
}
CFX_Graphics *m_pGraphics;
CFX_DIBitmap *m_pImage;
CFX_Path *m_pPath;
};
class CFWL_ThemeText : public CFWL_ThemePart
{
public:
CFWL_ThemeText()
: m_pGraphics(NULL)
{
}
CFX_WideString m_wsText;
FX_DWORD m_dwTTOStyles;
int32_t m_iTTOAlign;
CFX_Graphics *m_pGraphics;
};
class IFWL_ThemeProvider
{
public:
virtual FX_BOOL IsValidWidget(IFWL_Widget *pWidget) = 0;
virtual FX_DWORD GetThemeID(IFWL_Widget *pWidget) = 0;
virtual FX_DWORD SetThemeID(IFWL_Widget *pWidget, FX_DWORD dwThemeID, FX_BOOL bChildren = TRUE) = 0;
virtual FWL_ERR GetThemeMatrix(IFWL_Widget *pWidget, CFX_Matrix &matrix) = 0;
virtual FWL_ERR SetThemeMatrix(IFWL_Widget *pWidget, const CFX_Matrix &matrix) = 0;
virtual FX_BOOL DrawBackground(CFWL_ThemeBackground *pParams) = 0;
virtual FX_BOOL DrawText(CFWL_ThemeText *pParams) = 0;
virtual FX_LPVOID GetCapacity(CFWL_ThemePart *pThemePart, FX_DWORD dwCapacity) = 0;
virtual FX_BOOL IsCustomizedLayout(IFWL_Widget *pWidget) = 0;
virtual FWL_ERR GetPartRect(CFWL_ThemePart *pThemePart, CFX_RectF &rtPart) = 0;
virtual FX_BOOL IsInPart(CFWL_ThemePart *pThemePart, FX_FLOAT fx, FX_FLOAT fy) = 0;
virtual FX_BOOL CalcTextRect(CFWL_ThemeText *pParams, CFX_RectF &rect) = 0;
};
#endif
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