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lcd-image-converter/classes/parser/parser.cpp

499 lines
16 KiB
C++

/*
* LCD Image Converter. Converts images and fonts for embedded applications.
* Copyright (C) 2010 riuson
* mailto: riuson@gmail.com
*
* 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 3 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, see <http://www.gnu.org/licenses/
*/
#include "parser.h"
//-----------------------------------------------------------------------------
#include <QFile>
#include <QTextStream>
#include <QTextCodec>
#include "idocument.h"
#include "datacontainer.h"
#include "bitmaphelper.h"
#include "converterhelper.h"
#include "preset.h"
#include "prepareoptions.h"
#include "matrixoptions.h"
#include "imageoptions.h"
#include "fontoptions.h"
#include "templateoptions.h"
//-----------------------------------------------------------------------------
Parser::Parser(QObject *parent, TemplateType templateType) :
QObject(parent)
{
this->mPreset = new Preset(this);
this->mSelectedPresetName = Preset::currentName();
this->mPreset->load(this->mSelectedPresetName);
if (templateType == TypeImage)
this->mTemplateFileName = this->mPreset->templates()->image();
else
this->mTemplateFileName = this->mPreset->templates()->font();
}
//-----------------------------------------------------------------------------
Parser::~Parser()
{
delete this->mPreset;
}
//-----------------------------------------------------------------------------
QString Parser::name()
{
//IConverter *options = dynamic_cast<IConverter *>(this->mConverters.value(this->mSelectedConverterName));
//return options->name();
return this->mSelectedPresetName;
}
//-----------------------------------------------------------------------------
QString Parser::convert(IDocument *document, QMap<QString, QString> &tags) const
{
QString result;
QString templateString;
QFile file(this->mTemplateFileName);
if (!file.exists())
file.setFileName(":/templates/image_convert");
if (file.open(QIODevice::ReadOnly))
{
QTextStream stream(&file);
templateString = stream.readAll();
file.close();
}
tags.insert("templateFile", file.fileName());
QRegExp regImageData = this->expression(Parser::ImageData);
regImageData.setMinimal(true);
if (regImageData.indexIn(templateString) >= 0)
{
QString strImageDataIndent = regImageData.cap(1);
if (strImageDataIndent.isEmpty())
strImageDataIndent = " ";
tags["imageDataIndent"] = strImageDataIndent;
}
else
{
tags["imageDataIndent"] = " ";
}
this->addMatrixInfo(tags);
this->parse(templateString, result, tags, document);
return result;
}
//-----------------------------------------------------------------------------
void Parser::parse(const QString &templateString,
QString &resultString,
QMap<QString, QString> &tags,
IDocument *doc) const
{
int index = 0;
int prevIndex = 0;
QRegExp regTag = this->expression(Parser::TagName);
regTag.setMinimal(true);
int capturedLength = 0;
while ((index = regTag.indexIn(templateString, index + capturedLength)) >= 0)
{
capturedLength = regTag.cap(0).length();
if (index > prevIndex)
{
resultString.append(templateString.mid(prevIndex, index - prevIndex));
}
QString tagName = regTag.cap(3);
// if block starts
if (regTag.cap(2) == "start_block_")
{
QRegExp contentReg = this->expression(Parser::Content, tagName);
contentReg.setMinimal(true);
if (contentReg.indexIn(templateString, index) >= 0)
{
QString content = contentReg.cap(3);
content = content.trimmed();
QString temp;
if (tagName == "images_table")
{
this->parseImagesTable(content, temp, tags, doc);
}
else
{
this->parse(content, temp, tags, doc);
}
resultString.append(temp);
capturedLength = contentReg.cap(0).length();
prevIndex = index + capturedLength;
}
}
else
{
if (tags.contains(tagName))
resultString.append(tags.value(tagName));
else
resultString.append("<value not defined>");
prevIndex = index + regTag.cap(0).length();
}
}
int last = prevIndex;
if (last < templateString.length() - 1)
{
resultString.append(templateString.mid(last, templateString.length() - last));
}
}
//-----------------------------------------------------------------------------
void Parser::parseBlocks(const QString &templateString,
QString &resultString,
QMap<QString, QString> &tags,
IDocument *doc) const
{
// capture block
QRegExp startReg = this->expression(Parser::BlockStart);
startReg.setMinimal(true);
int index = -1;
while ((index = startReg.indexIn(templateString, index + 1)) >= 0)
{
QString blockName = startReg.cap(2);
QRegExp endReg = this->expression(Parser::BlockEnd, blockName);
endReg.setMinimal(true);
// capture block's content
QRegExp contentReg = this->expression(Parser::Content, blockName);
contentReg.setMinimal(true);
int index2 = index - 1;
while ((index2 = contentReg.indexIn(templateString, index2 + 1)) >= 0)
{
QString content = contentReg.cap(3);
//index2 += content.length();
content = content.trimmed();
QString contentParsed;
if (blockName == "images_table")
{
this->parseImagesTable(content, contentParsed, tags, doc);
}
else
{
this->parseSimple(content, contentParsed, tags, doc);
}
resultString.append(contentParsed);
}
}
}
//-----------------------------------------------------------------------------
void Parser::parseImagesTable(const QString &templateString,
QString &resultString,
QMap<QString, QString> &tags,
IDocument *doc) const
{
DataContainer *data = doc->dataContainer();
QString imageString;
QListIterator<QString> it(data->keys());
it.toFront();
tags["imagesCount"] = QString("%1").arg(data->count());
while (it.hasNext())
{
QString key = it.next();
QImage image = QImage(*data->image(key));
// width and height must be written before image changes
tags["width"] = QString("%1").arg(image.width());
tags["height"] = QString("%1").arg(image.height());
QImage imagePrepared;
ConverterHelper::prepareImage(this->mPreset, &image, &imagePrepared);
// conversion from image to strings
QVector<quint32> sourceData;
int sourceWidth, sourceHeight;
ConverterHelper::pixelsData(this->mPreset, &imagePrepared, &sourceData, &sourceWidth, &sourceHeight);
ConverterHelper::processPixels(this->mPreset, &sourceData);
QVector<quint32> packedData;
int packedWidth, packedHeight;
ConverterHelper::packData(
this->mPreset,
&sourceData, sourceWidth, sourceHeight,
&packedData, &packedWidth, &packedHeight);
QVector<quint32> reorderedData;
int reorderedWidth, reorderedHeight;
ConverterHelper::reorder(
this->mPreset,
&packedData, packedWidth, packedHeight,
&reorderedData, &reorderedWidth, &reorderedHeight);
QVector<quint32> compressedData;
int compressedWidth, compressedHeight;
ConverterHelper::compressData(this->mPreset, &reorderedData, reorderedWidth, reorderedHeight, &compressedData, &compressedWidth, &compressedHeight);
QString dataString = ConverterHelper::dataToString(this->mPreset, &compressedData, compressedWidth, compressedHeight, "0x");
dataString.replace("\n", "\n" + tags["imageDataIndent"]);
// end of conversion
bool useBom = this->mPreset->font()->bom();
QString encoding = this->mPreset->font()->encoding();
QString charCode = this->hexCode(key.at(0), encoding, useBom);
tags["blocksCount"] = QString("%1").arg(compressedData.size());
tags["imageData"] = dataString;
tags["charCode"] = charCode;
if (it.hasNext())
tags["comma"] = ",";
else
tags["comma"] = "";
if (key.contains("@"))
{
key.replace("@", "(a)");
tags["charText"] = key;
}
else
tags["charText"] = key.left(1);
this->parseSimple(templateString, imageString, tags, doc);
resultString.append("\n");
resultString.append(imageString);
}
}
//-----------------------------------------------------------------------------
void Parser::parseSimple(const QString &templateString,
QString &resultString,
QMap<QString, QString> &tags,
IDocument *doc) const
{
Q_UNUSED(doc);
QRegExp regTag = this->expression(Parser::TagName);
regTag.setMinimal(true);
resultString = templateString;
while (regTag.indexIn(resultString) >= 0)
{
QString tag = regTag.cap(0);
QString tagName = regTag.cap(3);
if (tags.contains(tagName))
resultString.replace(tag, tags.value(tagName));
else
resultString.replace(tag, "<value not defined>");
}
}
//-----------------------------------------------------------------------------
QString Parser::hexCode(const QChar &ch, const QString &encoding, bool bom) const
{
QString result;
QTextCodec *codec = QTextCodec::codecForName(encoding.toAscii());
QByteArray codeArray = codec->fromUnicode(&ch, 1);
quint64 code = 0;
for (int i = 0; i < codeArray.count() && i < 8; i++)
{
code = code << 8;
code |= (quint8)codeArray.at(i);
}
if (encoding.contains("UTF-16"))
{
// reorder bytes
quint64 a =
((code & 0x000000000000ff00ULL) >> 8) |
((code & 0x00000000000000ffULL) << 8);
code &= 0xffffffffffff0000ULL;
code |= a;
if (bom)
{
// 0xfeff00c1
result = QString("%1").arg(code, 8, 16, QChar('0'));
}
else
{
// 0x00c1
code &= 0x000000000000ffffULL;
result = QString("%1").arg(code, 4, 16, QChar('0'));
}
}
else if (encoding.contains("UTF-32"))
{
// reorder bytes
quint64 a =
((code & 0x00000000ff000000ULL) >> 24) |
((code & 0x0000000000ff0000ULL) >> 8) |
((code & 0x000000000000ff00ULL) << 8) |
((code & 0x00000000000000ffULL) << 24);
code &= 0xffffffff00000000ULL;
code |= a;
if (bom)
{
// 0x0000feff000000c1
result = QString("%1").arg(code, 16, 16, QChar('0'));
}
else
{
// 0x000000c1
code &= 0x00000000ffffffffULL;
result = QString("%1").arg(code, 8, 16, QChar('0'));
}
}
else
{
result = QString("%1").arg(code, codeArray.count() * 2, 16, QChar('0'));
}
return result;
}
//-----------------------------------------------------------------------------
void Parser::addMatrixInfo(QMap<QString, QString> &tags) const
{
// byte order
if (this->mPreset->image()->bytesOrder() == BytesOrderLittleEndian)
tags.insert("bytesOrder", "little-endian");
else
tags.insert("bytesOrder", "big-endian");
// data block size
int dataBlockSize = (this->mPreset->image()->blockSize() + 1) * 8;
tags.insert("dataBlockSize", QString("%1").arg(dataBlockSize));
// scan main direction
switch (this->mPreset->prepare()->scanMain())
{
case TopToBottom:
tags.insert("scanMain", "top to bottom");
break;
case BottomToTop:
tags.insert("scanMain", "bottom to top");
break;
case LeftToRight:
tags.insert("scanMain", "left to right");
break;
case RightToLeft:
tags.insert("scanMain", "right to left");
break;
}
// scan sub direction
if (this->mPreset->prepare()->scanSub())
tags.insert("scanSub", "forward");
else
tags.insert("scanSub", "backward");
// bands
if (this->mPreset->prepare()->bandScanning())
tags.insert("bands", "yes");
else
tags.insert("bands", "no");
int bandWidth = this->mPreset->prepare()->bandWidth();
tags.insert("bandWidth", QString("%1").arg(bandWidth));
// inversion
if (this->mPreset->prepare()->inverse())
tags.insert("inverse", "yes");
else
tags.insert("inverse", "no");
// bom
if (this->mPreset->font()->bom())
tags.insert("bom", "yes");
else
tags.insert("bom", "no");
// encoding
tags.insert("encoding", this->mPreset->font()->encoding());
// split to rows
if (this->mPreset->image()->splitToRows())
tags.insert("splitToRows", "yes");
else
tags.insert("splitToRows", "no");
// compression
if (this->mPreset->image()->compressionRle())
tags.insert("rle", "yes");
else
tags.insert("rle", "no");
// preset name
tags.insert("preset", this->mSelectedPresetName);
// conversion type
tags.insert("convType", this->mPreset->prepare()->convTypeName());
// monochrome type
if (this->mPreset->prepare()->convType() == ConversionTypeMonochrome)
{
tags.insert("monoType", this->mPreset->prepare()->monoTypeName());
tags.insert("edge", QString("%1").arg(this->mPreset->prepare()->edge()));
}
else
{
tags.insert("monoType", "not used");
tags.insert("edge", "not used");
}
// bits per pixel
quint32 maskUsed = this->mPreset->matrix()->maskUsed();
int bitsPerPixel = 0;
while (maskUsed > 0)
{
if ((maskUsed & 0x00000001) != 0)
bitsPerPixel++;
maskUsed = maskUsed >> 1;
}
tags.insert("bpp", QString("%1").arg(bitsPerPixel));
}
//-----------------------------------------------------------------------------
QRegExp Parser::expression(ExpType type, const QString &name) const
{
QString result;
switch (type)
{
case BlockStart:
// 2
result = "(\\@|\\$\\()start_block_(.+)(?=\\s)";
break;
case BlockEnd:
result = "(\\@|\\$\\()end_block_" + name;
break;
case ImageData:
// 1
result = "([\\t\\ ]+)(\\@|\\$\\()imageData(\\@|\\))";
break;
case Content:
// 3
result = "(\\@|\\$\\()start_block_" + name + "(\\@|\\))(.+)(\\@|\\$\\()end_block_" + name + "(\\@|\\))";
break;
case TagName:
default:
// 2, 3
result = "(\\@|\\$\\()(start_block_)?(.+)(\\@|\\))";
break;
}
return QRegExp(result);
}
//-----------------------------------------------------------------------------