harbour-books/app/src/BooksTextStyle.cpp
Slava Monich c6e46b94a2 [fbreader] Refactored CSS and XHTML support
This significantly improves EPUB rendering.
2015-08-09 00:54:38 +03:00

145 lines
3.7 KiB
C++

/*
* Copyright (C) 2015 Jolla Ltd.
* Contact: Slava Monich <slava.monich@jolla.com>
*
* You may use this file under the terms of the BSD license as follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Nemo Mobile nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "BooksTextStyle.h"
#include "BooksDefs.h"
class BooksTextStyle::Default
{
public:
static weak_ptr<ZLTextStyle> instance;
static const std::string FONT_FAMILY;
};
weak_ptr<ZLTextStyle> BooksTextStyle::Default::instance;
const std::string BooksTextStyle::Default::FONT_FAMILY("Times");
shared_ptr<ZLTextStyle> BooksTextStyle::defaults()
{
shared_ptr<ZLTextStyle> style = Default::instance;
if (style.isNull()) {
style = new BooksTextStyle;
Default::instance = style;
}
return style;
}
BooksTextStyle::BooksTextStyle()
{
iFontFamilies.push_back(Default::FONT_FAMILY);
}
bool
BooksTextStyle::equalLayout(
shared_ptr<ZLTextStyle> aStyle1,
shared_ptr<ZLTextStyle> aStyle2)
{
if (aStyle1.isNull()) aStyle1 = defaults();
if (aStyle2.isNull()) aStyle2 = defaults();
return aStyle1->fontSize() == aStyle2->fontSize();
}
const std::string& BooksTextStyle::colorStyle() const
{
return REGULAR_TEXT;
}
bool BooksTextStyle::isDecorated() const
{
return false;
}
const std::vector<std::string>& BooksTextStyle::fontFamilies() const
{
return iFontFamilies;
}
int BooksTextStyle::fontSize() const
{
return (26 * BOOKS_PPI / 330) & (~1); // Make sure it's divisible by 2
}
bool BooksTextStyle::bold() const
{
return false;
}
bool BooksTextStyle::italic() const
{
return false;
}
short BooksTextStyle::spaceBefore(const ZLTextStyleEntry::Metrics&) const
{
return 0;
}
short BooksTextStyle::spaceAfter(const ZLTextStyleEntry::Metrics&) const
{
return 0;
}
short BooksTextStyle::lineStartIndent(const ZLTextStyleEntry::Metrics&, bool) const
{
return 0;
}
short BooksTextStyle::lineEndIndent(const ZLTextStyleEntry::Metrics&, bool) const
{
return 0;
}
short BooksTextStyle::firstLineIndentDelta(const ZLTextStyleEntry::Metrics&) const
{
return 0;
}
int BooksTextStyle::verticalShift() const
{
return 0;
}
ZLTextAlignmentType BooksTextStyle::alignment() const
{
return ALIGN_LEFT;
}
double BooksTextStyle::lineSpace() const
{
return 1.4;
}
bool BooksTextStyle::allowHyphenations() const
{
return true;
}