mirror of
https://github.com/chibicitiberiu/rainmeter-studio.git
synced 2024-02-24 04:33:31 +00:00
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/*
|
|
Copyright (C) 2013 Birunthan Mohanathas
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef RM_GFX_TEXTFORMATD2D_H_
|
|
#define RM_GFX_TEXTFORMATD2D_H_
|
|
|
|
#include "TextFormat.h"
|
|
#include <string>
|
|
#include <dwrite_1.h>
|
|
#include <wrl/client.h>
|
|
|
|
namespace Gfx {
|
|
|
|
// Provides a Direct2D/DirectWrite implementation of TextFormat for use with CanvasD2D.
|
|
class TextFormatD2D : public TextFormat
|
|
{
|
|
public:
|
|
TextFormatD2D();
|
|
virtual ~TextFormatD2D();
|
|
|
|
virtual bool IsInitialized() const override { return m_TextFormat != nullptr; }
|
|
|
|
virtual void SetProperties(
|
|
const WCHAR* fontFamily, int size, bool bold, bool italic,
|
|
const FontCollection* fontCollection) override;
|
|
|
|
virtual void SetTrimming(bool trim) override;
|
|
|
|
virtual void SetHorizontalAlignment(HorizontalAlignment alignment) override;
|
|
virtual void SetVerticalAlignment(VerticalAlignment alignment) override;
|
|
|
|
private:
|
|
friend class CanvasD2D;
|
|
|
|
friend class Common_Gfx_TextFormatD2D_Test;
|
|
|
|
TextFormatD2D(const TextFormatD2D& other) {}
|
|
|
|
void Dispose();
|
|
|
|
// Creates a new DirectWrite text layout if |str| has changed since last call. Since creating
|
|
// the layout is costly, it is more efficient to keep reusing the text layout until the text
|
|
// changes. Returns true if the layout is valid for use.
|
|
bool CreateLayout(const WCHAR* str, UINT strLen, float maxW, float maxH, bool gdiEmulation);
|
|
|
|
DWRITE_TEXT_METRICS GetMetrics(
|
|
const WCHAR* str, UINT strLen, bool gdiEmulation, float maxWidth = 10000.0f);
|
|
|
|
Microsoft::WRL::ComPtr<IDWriteTextFormat> m_TextFormat;
|
|
Microsoft::WRL::ComPtr<IDWriteTextLayout> m_TextLayout;
|
|
Microsoft::WRL::ComPtr<IDWriteInlineObject> m_InlineEllipsis;
|
|
|
|
std::wstring m_LastString;
|
|
|
|
// Used to emulate GDI+ behaviour.
|
|
float m_ExtraHeight;
|
|
float m_LineGap;
|
|
|
|
// Contains the value passed to the last call of of SetTrimming().
|
|
bool m_Trimming;
|
|
};
|
|
|
|
} // namespace Gfx
|
|
|
|
#endif |