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Gfx: Add initial work

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Gfx provides support for rendering with both Direct2D and GDI+.
This commit is contained in:
Birunthan Mohanathas
2013-03-25 17:36:12 +02:00
parent da7d8e3099
commit 82970d1cce
16 changed files with 1608 additions and 8 deletions
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119
Common/Gfx/TextFormatD2D.cpp Normal file
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/*
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.
*/
#include "TextFormatD2D.h"
#include "CanvasD2D.h"
namespace Gfx {
TextFormatD2D::TextFormatD2D() :
m_TextFormat(),
m_InlineEllipsis()
{
}
TextFormatD2D::~TextFormatD2D()
{
Dispose();
}
void TextFormatD2D::Dispose()
{
if (m_TextFormat)
{
m_TextFormat->Release();
m_TextFormat = nullptr;
}
if (m_InlineEllipsis)
{
m_InlineEllipsis->Release();
m_InlineEllipsis = nullptr;
}
}
void TextFormatD2D::SetProperties(const WCHAR* fontFamily, int size, bool bold, bool italic)
{
Dispose();
HRESULT hr = CanvasD2D::c_DW->CreateTextFormat(
fontFamily,
nullptr,
bold ? DWRITE_FONT_WEIGHT_BOLD : DWRITE_FONT_WEIGHT_REGULAR,
italic ? DWRITE_FONT_STYLE_ITALIC : DWRITE_FONT_STYLE_NORMAL,
DWRITE_FONT_STRETCH_NORMAL,
size * (4.0f / 3.0f),
L"",
&m_TextFormat);
if (SUCCEEDED(hr))
{
CanvasD2D::c_DW->CreateEllipsisTrimmingSign(m_TextFormat, &m_InlineEllipsis);
SetHorizontalAlignment(GetHorizontalAlignment());
SetVerticalAlignment(GetVerticalAlignment());
}
else
{
Dispose();
}
}
void TextFormatD2D::SetTrimming(bool trim)
{
IDWriteInlineObject* inlineObject = nullptr;
DWRITE_TRIMMING trimming = {};
DWRITE_WORD_WRAPPING wordWrapping = DWRITE_WORD_WRAPPING_NO_WRAP;
if (trim)
{
inlineObject = m_InlineEllipsis;
trimming.granularity = DWRITE_TRIMMING_GRANULARITY_CHARACTER;
wordWrapping = DWRITE_WORD_WRAPPING_WRAP;
}
m_TextFormat->SetTrimming(&trimming, inlineObject);
m_TextFormat->SetWordWrapping(wordWrapping);
}
void TextFormatD2D::SetHorizontalAlignment(HorizontalAlignment alignment)
{
__super::SetHorizontalAlignment(alignment);
if (m_TextFormat)
{
m_TextFormat->SetTextAlignment(
(alignment == HorizontalAlignment::Left) ? DWRITE_TEXT_ALIGNMENT_LEADING :
(alignment == HorizontalAlignment::Center) ? DWRITE_TEXT_ALIGNMENT_CENTER :
DWRITE_TEXT_ALIGNMENT_TRAILING);
}
}
void TextFormatD2D::SetVerticalAlignment(VerticalAlignment alignment)
{
__super::SetVerticalAlignment(alignment);
if (m_TextFormat)
{
m_TextFormat->SetParagraphAlignment(
(alignment == VerticalAlignment::Top) ? DWRITE_PARAGRAPH_ALIGNMENT_NEAR :
(alignment == VerticalAlignment::Center) ? DWRITE_PARAGRAPH_ALIGNMENT_CENTER :
DWRITE_PARAGRAPH_ALIGNMENT_FAR);
}
}
} // namespace Gfx