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zint-barcode-generator/backend_qt/qzint.cpp
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/***************************************************************************
* Copyright (C) 2008 by BogDan Vatra *
* bogdan@licentia.eu *
* Copyright (C) 2010-2022 Robin Stuart *
* *
* 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/>. *
***************************************************************************/
#ifdef _MSC_VER
#if _MSC_VER >= 1900 /* MSVC 2015 */
#pragma warning(disable: 4996) /* function or variable may be unsafe */
#endif
#endif
//#include <QDebug>
#include "qzint.h"
#include <stdio.h>
#include <math.h>
#include <QFontMetrics>
/* the following include was necessary to compile with Qt 5.15 on Windows */
/* Qt 5.7 did not require it. */
#include <QPainterPath>
// Shorthand
#define QSL QStringLiteral
namespace Zint {
static const char fontStyle[] = "Helvetica";
static const char fontStyleError[] = "Helvetica";
static const int fontSizeError = 14; /* Point size */
static const int maxSegs = 256;
static const int maxCLISegs = 10; /* CLI restricted to 10 segments (including main data) */
/* Helper to convert ECI combo index to ECI value */
static int ECIIndexToECI(const int ECIIndex) {
int ret;
if (ECIIndex >= 1 && ECIIndex <= 11) {
ret = ECIIndex + 2;
} else if (ECIIndex >= 12 && ECIIndex <= 15) {
ret = ECIIndex + 3;
} else if (ECIIndex >= 16 && ECIIndex <= 31) {
ret = ECIIndex + 4;
} else if (ECIIndex == 32) {
ret = 170; /* ISO 646 Invariant */
} else if (ECIIndex == 33) {
ret = 899; /* 8-bit binary data */
} else {
ret = 0;
}
return ret;
}
/* Segment constructors */
QZintSeg::QZintSeg() : m_eci(0) {}
QZintSeg::QZintSeg(const QString& text, const int ECIIndex) : m_text(text), m_eci(ECIIndexToECI(ECIIndex)) {}
QZint::QZint()
: m_zintSymbol(NULL), m_symbol(BARCODE_CODE128), m_input_mode(UNICODE_MODE),
m_height(0.0f),
m_option_1(-1), m_option_2(0), m_option_3(0),
m_scale(1.0f),
m_dotty(false), m_dot_size(4.0f / 5.0f),
m_guardDescent(5.0f),
m_fgColor(Qt::black), m_bgColor(Qt::white), m_cmyk(false),
m_borderType(0), m_borderWidth(0),
m_whitespace(0), m_vwhitespace(0),
m_fontSetting(0),
m_show_hrt(true),
m_gssep(false),
m_quiet_zones(false), m_no_quiet_zones(false),
m_compliant_height(false),
m_rotate_angle(0),
m_eci(0),
m_gs1parens(false), m_gs1nocheck(false),
m_reader_init(false),
m_warn_level(WARN_DEFAULT), m_debug(false),
m_encodedWidth(0), m_encodedRows(0),
m_error(0),
target_size_horiz(0), target_size_vert(0) // Legacy
{
memset(&m_structapp, 0, sizeof(m_structapp));
}
QZint::~QZint() {
if (m_zintSymbol)
ZBarcode_Delete(m_zintSymbol);
}
void QZint::resetSymbol() {
if (m_zintSymbol)
ZBarcode_Delete(m_zintSymbol);
m_lastError.clear();
m_zintSymbol = ZBarcode_Create();
m_zintSymbol->output_options |= m_borderType | m_fontSetting;
m_zintSymbol->symbology = m_symbol;
m_zintSymbol->height = m_height;
m_zintSymbol->whitespace_width = m_whitespace;
m_zintSymbol->whitespace_height = m_vwhitespace;
if (m_quiet_zones) {
m_zintSymbol->output_options |= BARCODE_QUIET_ZONES;
}
if (m_no_quiet_zones) {
m_zintSymbol->output_options |= BARCODE_NO_QUIET_ZONES;
}
if (m_compliant_height) {
m_zintSymbol->output_options |= COMPLIANT_HEIGHT;
}
m_zintSymbol->border_width = m_borderWidth;
m_zintSymbol->option_1 = m_option_1;
m_zintSymbol->option_2 = m_option_2;
m_zintSymbol->option_3 = m_option_3;
m_zintSymbol->input_mode = m_input_mode;
if (m_dotty) {
m_zintSymbol->output_options |= BARCODE_DOTTY_MODE;
}
m_zintSymbol->dot_size = m_dot_size;
m_zintSymbol->guard_descent = m_guardDescent;
m_zintSymbol->structapp = m_structapp;
m_zintSymbol->show_hrt = m_show_hrt ? 1 : 0;
m_zintSymbol->eci = m_eci;
m_zintSymbol->scale = m_scale;
if (m_gs1parens) {
m_zintSymbol->input_mode |= GS1PARENS_MODE;
}
if (m_gs1nocheck) {
m_zintSymbol->input_mode |= GS1NOCHECK_MODE;
}
if (m_gssep) {
m_zintSymbol->output_options |= GS1_GS_SEPARATOR;
}
if (m_reader_init) {
m_zintSymbol->output_options |= READER_INIT;
}
if (m_warn_level) {
m_zintSymbol->warn_level = m_warn_level;
}
if (m_debug) {
m_zintSymbol->debug |= ZINT_DEBUG_PRINT;
}
strcpy(m_zintSymbol->fgcolour, m_fgColor.name().toLatin1().right(6));
if (m_fgColor.alpha() != 0xFF) {
strcat(m_zintSymbol->fgcolour, m_fgColor.name(QColor::HexArgb).toLatin1().mid(1,2));
}
strcpy(m_zintSymbol->bgcolour, m_bgColor.name().toLatin1().right(6));
if (m_bgColor.alpha() != 0xFF) {
strcat(m_zintSymbol->bgcolour, m_bgColor.name(QColor::HexArgb).toLatin1().mid(1,2));
}
if (m_cmyk) {
m_zintSymbol->output_options |= CMYK_COLOUR;
}
strcpy(m_zintSymbol->primary, m_primaryMessage.toLatin1().left(127));
}
void QZint::encode() {
resetSymbol();
if (m_segs.empty()) {
QByteArray bstr = m_text.toUtf8();
/* Note do our own rotation */
m_error = ZBarcode_Encode_and_Buffer_Vector(m_zintSymbol, (unsigned char *) bstr.data(), bstr.length(), 0);
} else {
struct zint_seg segs[maxSegs];
std::vector<QByteArray> bstrs;
int seg_count = convertSegs(segs, bstrs);
/* Note do our own rotation */
m_error = ZBarcode_Encode_Segs_and_Buffer_Vector(m_zintSymbol, segs, seg_count, 0);
}
m_lastError = m_zintSymbol->errtxt;
if (m_error < ZINT_ERROR) {
m_borderType = m_zintSymbol->output_options & (BARCODE_BIND | BARCODE_BOX);
m_height = m_zintSymbol->height;
m_borderWidth = m_zintSymbol->border_width;
m_whitespace = m_zintSymbol->whitespace_width;
m_vwhitespace = m_zintSymbol->whitespace_height;
m_encodedWidth = m_zintSymbol->width;
m_encodedRows = m_zintSymbol->rows;
emit encoded();
} else {
m_encodedWidth = 0;
m_encodedRows = 0;
emit errored();
}
}
int QZint::symbol() const {
return m_symbol;
}
void QZint::setSymbol(int symbol) {
m_symbol = symbol;
}
int QZint::inputMode() const {
return m_input_mode;
}
void QZint::setInputMode(int input_mode) {
m_input_mode = input_mode;
}
QString QZint::text() const {
return m_text;
}
void QZint::setText(const QString& text) {
m_text = text;
m_segs.clear();
}
std::vector<QZintSeg> QZint::segs() const {
return m_segs;
}
void QZint::setSegs(const std::vector<QZintSeg>& segs) {
m_segs = segs;
m_text.clear();
if (m_segs.size()) { /* Make sure `symbol->eci` synced */
m_eci = m_segs[0].m_eci;
}
}
QString QZint::primaryMessage() const {
return m_primaryMessage;
}
void QZint::setPrimaryMessage(const QString& primaryMessage) {
m_primaryMessage = primaryMessage;
}
float QZint::height() const {
return m_height;
}
void QZint::setHeight(float height) {
m_height = height;
}
int QZint::option1() const {
return m_option_1;
}
void QZint::setOption1(int option_1) {
m_option_1 = option_1;
}
int QZint::option2() const {
return m_option_2;
}
void QZint::setOption2(int option) {
m_option_2 = option;
}
int QZint::option3() const {
return m_option_3;
}
void QZint::setOption3(int option) {
m_option_3 = option;
}
float QZint::scale() const {
return m_scale;
}
void QZint::setScale(float scale) {
m_scale = scale;
}
bool QZint::dotty() const {
return m_dotty;
}
void QZint::setDotty(bool dotty) {
m_dotty = dotty;
}
float QZint::dotSize() const {
return m_dot_size;
}
void QZint::setDotSize(float dotSize) {
m_dot_size = dotSize;
}
float QZint::guardDescent() const {
return m_guardDescent;
}
void QZint::setGuardDescent(float guardDescent) {
m_guardDescent = guardDescent;
}
int QZint::structAppCount() const {
return m_structapp.count;
}
int QZint::structAppIndex() const {
return m_structapp.index;
}
QString QZint::structAppID() const {
return m_structapp.id;
}
void QZint::setStructApp(const int count, const int index, const QString& id) {
if (count) {
m_structapp.count = count;
m_structapp.index = index;
memset(m_structapp.id, 0, sizeof(m_structapp.id));
if (!id.isEmpty()) {
QByteArray idArr = id.toLatin1();
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstringop-truncation"
#endif
strncpy(m_structapp.id, idArr, sizeof(m_structapp.id));
#if defined(__GNUC__) && !defined(__clang__)
#pragma GCC diagnostic pop
#endif
}
} else {
clearStructApp();
}
}
void QZint::clearStructApp() {
memset(&m_structapp, 0, sizeof(m_structapp));
}
QColor QZint::fgColor() const {
return m_fgColor;
}
void QZint::setFgColor(const QColor& fgColor) {
m_fgColor = fgColor;
}
QColor QZint::bgColor() const {
return m_bgColor;
}
void QZint::setBgColor(const QColor& bgColor) {
m_bgColor = bgColor;
}
bool QZint::cmyk() const {
return m_cmyk;
}
void QZint::setCMYK(bool cmyk) {
m_cmyk = cmyk;
}
int QZint::borderType() const {
return m_borderType;
}
void QZint::setBorderType(int borderTypeIndex) {
if (borderTypeIndex == 1) {
m_borderType = BARCODE_BIND;
} else if (borderTypeIndex == 2) {
m_borderType = BARCODE_BOX;
} else {
m_borderType = 0;
}
}
int QZint::borderWidth() const {
return m_borderWidth;
}
void QZint::setBorderWidth(int borderWidth) {
if (borderWidth < 0 || borderWidth > 16)
borderWidth = 0;
m_borderWidth = borderWidth;
}
int QZint::whitespace() const {
return m_whitespace;
}
void QZint::setWhitespace(int whitespace) {
m_whitespace = whitespace;
}
int QZint::vWhitespace() const {
return m_vwhitespace;
}
void QZint::setVWhitespace(int vWhitespace) {
m_vwhitespace = vWhitespace;
}
int QZint::fontSetting() const {
return m_fontSetting;
}
void QZint::setFontSetting(int fontSettingIndex) { // Sets from comboBox index
if (fontSettingIndex == 1) {
m_fontSetting = BOLD_TEXT;
} else if (fontSettingIndex == 2) {
m_fontSetting = SMALL_TEXT;
} else if (fontSettingIndex == 3) {
m_fontSetting = SMALL_TEXT | BOLD_TEXT;
} else {
m_fontSetting = 0;
}
}
void QZint::setFontSettingValue(int fontSetting) { // Sets literal value
if ((fontSetting & (BOLD_TEXT | SMALL_TEXT)) == fontSetting) {
m_fontSetting = fontSetting;
} else {
m_fontSetting = 0;
}
}
bool QZint::showText() const {
return m_show_hrt;
}
void QZint::setShowText(bool showText) {
m_show_hrt = showText;
}
bool QZint::gsSep() const {
return m_gssep;
}
void QZint::setGSSep(bool gsSep) {
m_gssep = gsSep;
}
bool QZint::quietZones() const {
return m_quiet_zones;
}
void QZint::setQuietZones(bool quietZones) {
m_quiet_zones = quietZones;
}
bool QZint::noQuietZones() const {
return m_no_quiet_zones;
}
void QZint::setNoQuietZones(bool noQuietZones) {
m_no_quiet_zones = noQuietZones;
}
bool QZint::compliantHeight() const {
return m_compliant_height;
}
void QZint::setCompliantHeight(bool compliantHeight) {
m_compliant_height = compliantHeight;
}
int QZint::rotateAngle() const {
return m_rotate_angle;
}
void QZint::setRotateAngle(int rotateIndex) { // Sets from comboBox index
if (rotateIndex == 1) {
m_rotate_angle = 90;
} else if (rotateIndex == 2) {
m_rotate_angle = 180;
} else if (rotateIndex == 3) {
m_rotate_angle = 270;
} else {
m_rotate_angle = 0;
}
}
void QZint::setRotateAngleValue(int rotateAngle) { // Sets literal value
if (rotateAngle == 90) {
m_rotate_angle = 90;
} else if (rotateAngle == 180) {
m_rotate_angle = 180;
} else if (rotateAngle == 270) {
m_rotate_angle = 270;
} else {
m_rotate_angle = 0;
}
}
int QZint::eci() const {
return m_eci;
}
void QZint::setECI(int ECIIndex) { // Sets from comboBox index
m_eci = ECIIndexToECI(ECIIndex);
}
void QZint::setECIValue(int eci) { // Sets literal value
if (eci < 3 || (eci > 35 && eci != 170 && eci != 899) || eci == 14 || eci == 19) {
m_eci = 0;
} else {
m_eci = eci;
}
}
bool QZint::gs1Parens() const {
return m_gs1parens;
}
void QZint::setGS1Parens(bool gs1Parens) {
m_gs1parens = gs1Parens;
}
bool QZint::gs1NoCheck() const {
return m_gs1nocheck;
}
void QZint::setGS1NoCheck(bool gs1NoCheck) {
m_gs1nocheck = gs1NoCheck;
}
bool QZint::readerInit() const {
return m_reader_init;
}
void QZint::setReaderInit(bool readerInit) {
m_reader_init = readerInit;
}
int QZint::warnLevel() const {
return m_warn_level;
}
void QZint::setWarnLevel(int warnLevel) {
m_warn_level = warnLevel;
}
bool QZint::debug() const {
return m_debug;
}
void QZint::setDebug(bool debug) {
m_debug = debug;
}
int QZint::encodedWidth() const { // Read-only, encoded width (no. of modules encoded)
return m_encodedWidth;
}
int QZint::encodedRows() const { // Read-only, no. of rows encoded
return m_encodedRows;
}
/* Legacy */
void QZint::setWidth(int width) { setOption1(width); }
int QZint::width() const { return m_option_1; }
void QZint::setSecurityLevel(int securityLevel) { setOption2(securityLevel); }
int QZint::securityLevel() const { return m_option_2; }
void QZint::setPdf417CodeWords(int /*pdf417CodeWords*/) {}
int QZint::pdf417CodeWords() const { return 0; }
void QZint::setHideText(bool hide) { setShowText(!hide); }
void QZint::setTargetSize(int width, int height) {
target_size_horiz = width;
target_size_vert = height;
}
QString QZint::error_message() const { return m_lastError; } /* Same as lastError() */
bool QZint::hasHRT(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_HRT);
}
bool QZint::isStackable(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_STACKABLE);
}
bool QZint::isExtendable(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_EXTENDABLE);
}
bool QZint::isComposite(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_COMPOSITE);
}
bool QZint::supportsECI(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_ECI);
}
bool QZint::supportsGS1(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_GS1);
}
bool QZint::isDotty(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_DOTTY);
}
bool QZint::hasDefaultQuietZones(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_QUIET_ZONES);
}
bool QZint::isFixedRatio(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_FIXED_RATIO);
}
bool QZint::supportsReaderInit(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_READER_INIT);
}
bool QZint::supportsFullMultibyte(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_FULL_MULTIBYTE);
}
bool QZint::hasMask(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_MASK);
}
bool QZint::supportsStructApp(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_STRUCTAPP);
}
bool QZint::hasCompliantHeight(int symbology) const {
return ZBarcode_Cap(symbology ? symbology : m_symbol, ZINT_CAP_COMPLIANT_HEIGHT);
}
int QZint::getError() const {
return m_error;
}
const QString& QZint::lastError() const {
return m_lastError;
}
bool QZint::hasErrors() const {
return m_lastError.length();
}
int QZint::getVersion() const {
return ZBarcode_Version();
}
bool QZint::save_to_file(const QString& filename) {
resetSymbol();
strcpy(m_zintSymbol->outfile, filename.toLatin1().left(255));
if (m_segs.empty()) {
QByteArray bstr = m_text.toUtf8();
m_error = ZBarcode_Encode_and_Print(m_zintSymbol, (unsigned char *) bstr.data(), bstr.length(),
m_rotate_angle);
} else {
struct zint_seg segs[maxSegs];
std::vector<QByteArray> bstrs;
int seg_count = convertSegs(segs, bstrs);
m_error = ZBarcode_Encode_Segs_and_Print(m_zintSymbol, segs, seg_count, m_rotate_angle);
}
if (m_error >= ZINT_ERROR) {
m_lastError = m_zintSymbol->errtxt;
m_encodedWidth = 0;
m_encodedRows = 0;
emit errored();
return false;
} else {
return true;
}
}
Qt::GlobalColor QZint::colourToQtColor(int colour) {
switch (colour) {
case 1: // Cyan
return Qt::cyan;
break;
case 2: // Blue
return Qt::blue;
break;
case 3: // Magenta
return Qt::magenta;
break;
case 4: // Red
return Qt::red;
break;
case 5: // Yellow
return Qt::yellow;
break;
case 6: // Green
return Qt::green;
break;
case 8: // White
return Qt::white;
break;
default:
return Qt::black;
break;
}
}
/* Helper to convert `m_segs` to `struct zint_seg[]` */
int QZint::convertSegs(struct zint_seg segs[], std::vector<QByteArray>& bstrs) {
bstrs.reserve(m_segs.size());
int i;
for (i = 0; i < (int) m_segs.size() && i < maxSegs && !m_segs[i].m_text.isEmpty(); i++) {
segs[i].eci = m_segs[i].m_eci;
bstrs.push_back(m_segs[i].m_text.toUtf8());
segs[i].source = (unsigned char *) bstrs.back().data();
segs[i].length = bstrs.back().length();
}
return i;
}
/* Note: legacy argument `mode` is not used */
void QZint::render(QPainter& painter, const QRectF& paintRect, AspectRatioMode /*mode*/) {
struct zint_vector_rect *rect;
struct zint_vector_hexagon *hex;
struct zint_vector_circle *circle;
struct zint_vector_string *string;
encode();
painter.save();
if (m_error >= ZINT_ERROR) {
painter.setRenderHint(QPainter::Antialiasing);
QFont font(fontStyleError, fontSizeError);
painter.setFont(font);
painter.drawText(paintRect, Qt::AlignCenter | Qt::TextWordWrap, m_lastError);
painter.restore();
return;
}
painter.setClipRect(paintRect, Qt::IntersectClip);
qreal xtr = paintRect.x();
qreal ytr = paintRect.y();
qreal scale;
qreal gwidth = m_zintSymbol->vector->width;
qreal gheight = m_zintSymbol->vector->height;
if (m_rotate_angle == 90 || m_rotate_angle == 270) {
if (paintRect.width() / gheight < paintRect.height() / gwidth) {
scale = paintRect.width() / gheight;
} else {
scale = paintRect.height() / gwidth;
}
} else {
if (paintRect.width() / gwidth < paintRect.height() / gheight) {
scale = paintRect.width() / gwidth;
} else {
scale = paintRect.height() / gheight;
}
}
xtr += (qreal) (paintRect.width() - gwidth * scale) / 2.0;
ytr += (qreal) (paintRect.height() - gheight * scale) / 2.0;
if (m_rotate_angle) {
painter.translate(paintRect.width() / 2.0, paintRect.height() / 2.0); // Need to rotate around centre
painter.rotate(m_rotate_angle);
painter.translate(-paintRect.width() / 2.0, -paintRect.height() / 2.0); // Undo
}
painter.translate(xtr, ytr);
painter.scale(scale, scale);
QBrush bgBrush(m_bgColor);
painter.fillRect(QRectF(0, 0, gwidth, gheight), bgBrush);
// Plot rectangles
rect = m_zintSymbol->vector->rectangles;
if (rect) {
QBrush brush(Qt::SolidPattern);
while (rect) {
if (rect->colour == -1) {
brush.setColor(m_fgColor);
} else {
brush.setColor(colourToQtColor(rect->colour));
}
painter.fillRect(QRectF(rect->x, rect->y, rect->width, rect->height), brush);
rect = rect->next;
}
}
// Plot hexagons
hex = m_zintSymbol->vector->hexagons;
if (hex) {
painter.setRenderHint(QPainter::Antialiasing);
QBrush fgBrush(m_fgColor);
qreal previous_diameter = 0.0, radius = 0.0, half_radius = 0.0, half_sqrt3_radius = 0.0;
while (hex) {
if (previous_diameter != hex->diameter) {
previous_diameter = hex->diameter;
radius = 0.5 * previous_diameter;
half_radius = 0.25 * previous_diameter;
half_sqrt3_radius = 0.43301270189221932338 * previous_diameter;
}
QPainterPath pt;
pt.moveTo(hex->x, hex->y + radius);
pt.lineTo(hex->x + half_sqrt3_radius, hex->y + half_radius);
pt.lineTo(hex->x + half_sqrt3_radius, hex->y - half_radius);
pt.lineTo(hex->x, hex->y - radius);
pt.lineTo(hex->x - half_sqrt3_radius, hex->y - half_radius);
pt.lineTo(hex->x - half_sqrt3_radius, hex->y + half_radius);
pt.lineTo(hex->x, hex->y + radius);
painter.fillPath(pt, fgBrush);
hex = hex->next;
}
}
// Plot dots (circles)
circle = m_zintSymbol->vector->circles;
if (circle) {
painter.setRenderHint(QPainter::Antialiasing);
QPen p;
QBrush fgBrush(m_fgColor);
qreal previous_diameter = 0.0, radius = 0.0;
while (circle) {
if (previous_diameter != circle->diameter) {
previous_diameter = circle->diameter;
radius = 0.5 * previous_diameter;
}
if (circle->colour) { // Set means use background colour
p.setColor(m_bgColor);
p.setWidthF(circle->width);
painter.setPen(p);
painter.setBrush(circle->width ? Qt::NoBrush : bgBrush);
} else {
p.setColor(m_fgColor);
p.setWidthF(circle->width);
painter.setPen(p);
painter.setBrush(circle->width ? Qt::NoBrush : fgBrush);
}
painter.drawEllipse(QPointF(circle->x, circle->y), radius, radius);
circle = circle->next;
}
}
// Plot text
string = m_zintSymbol->vector->strings;
if (string) {
painter.setRenderHint(QPainter::Antialiasing);
QPen p;
p.setColor(m_fgColor);
painter.setPen(p);
bool bold = (m_zintSymbol->output_options & BOLD_TEXT)
&& (!isExtendable() || (m_zintSymbol->output_options & SMALL_TEXT));
QFont font(fontStyle, -1 /*pointSize*/, bold ? QFont::Bold : -1);
while (string) {
font.setPixelSize(string->fsize);
painter.setFont(font);
QString content = QString::fromUtf8((const char *) string->text);
/* string->y is baseline of font */
if (string->halign == 1) { /* Left align */
painter.drawText(QPointF(string->x, string->y), content);
} else {
QFontMetrics fm(painter.fontMetrics());
int width = fm.boundingRect(content).width();
if (string->halign == 2) { /* Right align */
painter.drawText(QPointF(string->x - width, string->y), content);
} else { /* Centre align */
painter.drawText(QPointF(string->x - (width / 2.0), string->y), content);
}
}
string = string->next;
}
}
painter.restore();
}
/* Translate settings into Command Line equivalent. Set `win` to use Windows escaping of data.
If `autoHeight` set then `--height=` option will not be emitted.
If HEIGHTPERROW_MODE set and non-zero `heightPerRow` given then use that for height instead of internal
height */
QString QZint::getAsCLI(const bool win, const bool longOptOnly, const bool barcodeNames, const bool noEXE,
const bool autoHeight, const float heightPerRow, const QString& outfile) const {
QString cmd(win && !noEXE ? QSL("zint.exe") : QSL("zint"));
char name_buf[32];
if (barcodeNames && ZBarcode_BarcodeName(m_symbol, name_buf) == 0) {
QString name(name_buf + 8); // Strip "BARCODE_" prefix
arg_str(cmd, longOptOnly ? "--barcode=" : "-b ", name);
} else {
arg_int(cmd, longOptOnly ? "--barcode=" : "-b ", m_symbol);
}
if (isExtendable()) {
arg_int(cmd, "--addongap=", option2());
}
if (bgColor() != Qt::white && bgColor() != QColor(0xFF, 0xFF, 0xFF, 0)) {
arg_color(cmd, "--bg=", bgColor());
}
bool default_bind = false, default_box = false, default_border = false;
if (m_symbol == BARCODE_ITF14) {
if ((borderType() & BARCODE_BOX) && borderWidth() == 5) {
default_bind = default_box = default_border = true;
}
} else if (m_symbol == BARCODE_CODABLOCKF || m_symbol == BARCODE_CODE16K || m_symbol == BARCODE_CODE49) {
if ((borderType() & BARCODE_BIND) && borderWidth() == 1) {
default_bind = default_border = true;
}
}
arg_bool(cmd, "--binary", (inputMode() & 0x07) == DATA_MODE);
if (!default_bind) {
arg_bool(cmd, "--bind", (borderType() & BARCODE_BIND) && !(borderType() & BARCODE_BOX));
}
arg_bool(cmd, "--bold", fontSetting() & BOLD_TEXT);
if (!default_border) {
arg_int(cmd, "--border=", borderWidth());
}
if (!default_box) {
arg_bool(cmd, "--box", borderType() & BARCODE_BOX);
}
arg_bool(cmd, "--cmyk", cmyk());
if (m_symbol == BARCODE_DBAR_EXPSTK || m_symbol == BARCODE_DBAR_EXPSTK_CC
|| m_symbol == BARCODE_PDF417 || m_symbol == BARCODE_PDF417COMP || m_symbol == BARCODE_HIBC_PDF
|| m_symbol == BARCODE_MICROPDF417 || m_symbol == BARCODE_HIBC_MICPDF
|| m_symbol == BARCODE_DOTCODE || m_symbol == BARCODE_CODABLOCKF || m_symbol == BARCODE_HIBC_BLOCKF) {
arg_int(cmd, "--cols=", option2());
}
arg_bool(cmd, "--compliantheight", hasCompliantHeight() && compliantHeight());
if (m_segs.empty()) {
if (supportsECI()) {
arg_int(cmd, "--eci=", eci());
}
arg_data(cmd, longOptOnly ? "--data=" : "-d ", m_text, win);
} else {
arg_int(cmd, "--eci=", m_segs.front().m_eci);
arg_data(cmd, longOptOnly ? "--data=" : "-d ", m_segs.front().m_text, win);
for (int i = 1; i < (int) m_segs.size() && i < maxCLISegs && !m_segs[i].m_text.isEmpty(); i++) {
arg_seg(cmd, i, m_segs[i], win);
}
}
if (m_symbol == BARCODE_DATAMATRIX || m_symbol == BARCODE_HIBC_DM) {
arg_bool(cmd, "--dmre", option3() == DM_DMRE);
}
if ((m_symbol == BARCODE_DOTCODE || (isDotty() && dotty())) && dotSize() != 0.8f) {
arg_float(cmd, "--dotsize=", dotSize());
}
if (m_symbol != BARCODE_DOTCODE && isDotty() && dotty()) {
arg_bool(cmd, "--dotty", dotty());
}
arg_bool(cmd, "--esc", inputMode() & ESCAPE_MODE);
arg_bool(cmd, "--fast", inputMode() & FAST_MODE);
if (fgColor() != Qt::black) {
arg_color(cmd, "--fg=", fgColor());
}
arg_bool(cmd, "--fullmultibyte", supportsFullMultibyte() && (option3() & 0xFF) == ZINT_FULL_MULTIBYTE);
if (supportsGS1()) {
arg_bool(cmd, "--gs1", (inputMode() & 0x07) == GS1_MODE);
arg_bool(cmd, "--gs1parens", gs1Parens() || (inputMode() & GS1PARENS_MODE));
arg_bool(cmd, "--gs1nocheck", gs1NoCheck() || (inputMode() & GS1NOCHECK_MODE));
arg_bool(cmd, "--gssep", gsSep());
}
if (isExtendable() && guardDescent() != 5.0f) {
arg_float(cmd, "--guarddescent=", guardDescent(), true /*allowZero*/);
}
if (!autoHeight && !isFixedRatio()) {
if (inputMode() & HEIGHTPERROW_MODE) {
arg_float(cmd, "--height=", heightPerRow ? heightPerRow : height());
arg_bool(cmd, "--heightperrow", true);
} else {
arg_float(cmd, "--height=", height());
}
}
arg_bool(cmd, "--init", supportsReaderInit() && readerInit());
if (hasMask()) {
arg_int(cmd, "--mask=", (option3() >> 8) - 1, true /*allowZero*/);
}
if (m_symbol == BARCODE_MAXICODE || isComposite()) {
arg_int(cmd, "--mode=", option1());
}
arg_bool(cmd, "--nobackground", bgColor() == QColor(0xFF, 0xFF, 0xFF, 0));
arg_bool(cmd, "--noquietzones", hasDefaultQuietZones() && noQuietZones());
arg_bool(cmd, "--notext", hasHRT() && !showText());
arg_data(cmd, longOptOnly ? "--output=" : "-o ", outfile, win);
if (m_symbol == BARCODE_MAXICODE || isComposite()) {
arg_data(cmd, "--primary=", primaryMessage(), win);
}
arg_bool(cmd, "--quietzones", !hasDefaultQuietZones() && quietZones());
arg_int(cmd, "--rotate=", rotateAngle());
if (m_symbol == BARCODE_CODE16K || m_symbol == BARCODE_CODABLOCKF || m_symbol == BARCODE_HIBC_BLOCKF
|| m_symbol == BARCODE_CODE49) {
arg_int(cmd, "--rows=", option1());
} else if (m_symbol == BARCODE_DBAR_EXPSTK || m_symbol == BARCODE_DBAR_EXPSTK_CC
|| m_symbol == BARCODE_PDF417 || m_symbol == BARCODE_PDF417COMP || m_symbol == BARCODE_HIBC_PDF) {
arg_int(cmd, "--rows=", option3());
}
if (scale() != 1.0f) {
arg_float(cmd, "--scale=", scale());
}
if (m_symbol == BARCODE_MAXICODE) {
arg_int(cmd, "--scmvv=", option2() - 1, true /*allowZero*/);
}
if (m_symbol == BARCODE_PDF417 || m_symbol == BARCODE_PDF417COMP || m_symbol == BARCODE_HIBC_PDF
|| m_symbol == BARCODE_AZTEC || m_symbol == BARCODE_HIBC_AZTEC
|| m_symbol == BARCODE_QRCODE || m_symbol == BARCODE_HIBC_QR || m_symbol == BARCODE_MICROQR
|| m_symbol == BARCODE_RMQR || m_symbol == BARCODE_GRIDMATRIX || m_symbol == BARCODE_HANXIN
|| m_symbol == BARCODE_ULTRA) {
arg_int(cmd, "--secure=", option1());
}
if (m_symbol == BARCODE_CODE16K || m_symbol == BARCODE_CODABLOCKF || m_symbol == BARCODE_HIBC_BLOCKF
|| m_symbol == BARCODE_CODE49) {
arg_int(cmd, "--separator=", option3());
}
arg_bool(cmd, "--small", fontSetting() & SMALL_TEXT);
if (m_symbol == BARCODE_DATAMATRIX || m_symbol == BARCODE_HIBC_DM) {
arg_bool(cmd, "--square", option3() == DM_SQUARE);
}
if (supportsStructApp()) {
arg_structapp(cmd, "--structapp=", structAppCount(), structAppIndex(), structAppID(), win);
}
arg_bool(cmd, "--verbose", debug());
if (m_symbol == BARCODE_AZTEC || m_symbol == BARCODE_HIBC_AZTEC
|| m_symbol == BARCODE_MSI_PLESSEY || m_symbol == BARCODE_CODE11
|| m_symbol == BARCODE_C25STANDARD || m_symbol == BARCODE_C25INTER || m_symbol == BARCODE_C25IATA
|| m_symbol == BARCODE_C25LOGIC || m_symbol == BARCODE_C25IND
|| m_symbol == BARCODE_CODE39 || m_symbol == BARCODE_HIBC_39 || m_symbol == BARCODE_EXCODE39
|| m_symbol == BARCODE_LOGMARS || m_symbol == BARCODE_CODABAR
|| m_symbol == BARCODE_DATAMATRIX || m_symbol == BARCODE_HIBC_DM
|| m_symbol == BARCODE_QRCODE || m_symbol == BARCODE_HIBC_QR || m_symbol == BARCODE_MICROQR
|| m_symbol == BARCODE_RMQR || m_symbol == BARCODE_GRIDMATRIX || m_symbol == BARCODE_HANXIN
|| m_symbol == BARCODE_CHANNEL || m_symbol == BARCODE_CODEONE || m_symbol == BARCODE_CODE93
|| m_symbol == BARCODE_ULTRA || m_symbol == BARCODE_VIN) {
arg_int(cmd, "--vers=", option2());
} else if (m_symbol == BARCODE_DAFT && option2() != 250) {
arg_int(cmd, "--vers=", option2());
}
arg_int(cmd, "--vwhitesp=", vWhitespace());
arg_int(cmd, longOptOnly ? "--whitesp=" : "-w ", whitespace());
arg_bool(cmd, "--werror", warnLevel() == WARN_FAIL_ALL);
return cmd;
}
/* `getAsCLI()` helpers */
void QZint::arg_str(QString& cmd, const char *const opt, const QString& val) {
if (!val.isEmpty()) {
QByteArray bstr = val.toUtf8();
cmd += QString::asprintf(" %s%.*s", opt, (int) bstr.length(), bstr.data());
}
}
void QZint::arg_int(QString& cmd, const char *const opt, const int val, const bool allowZero) {
if (val > 0 || (val == 0 && allowZero)) {
cmd += QString::asprintf(" %s%d", opt, val);
}
}
void QZint::arg_bool(QString& cmd, const char *const opt, const bool val) {
if (val) {
cmd += QString::asprintf(" %s", opt);
}
}
void QZint::arg_color(QString& cmd, const char *const opt, const QColor val) {
if (val.alpha() != 0xFF) {
cmd += QString::asprintf(" %s%02X%02X%02X%02X", opt, val.red(), val.green(), val.blue(), val.alpha());
} else {
cmd += QString::asprintf(" %s%02X%02X%02X", opt, val.red(), val.green(), val.blue());
}
}
void QZint::arg_data(QString& cmd, const char *const opt, const QString& val, const bool win) {
if (!val.isEmpty()) {
QString text(val);
arg_data_esc(cmd, opt, text, win);
}
}
void QZint::arg_seg(QString& cmd, const int seg_no, const QZintSeg& val, const bool win) {
QString text(val.m_text);
QString opt = QString::asprintf("--seg%d=%d,", seg_no, val.m_eci);
arg_data_esc(cmd, opt.toUtf8(), text, win);
}
void QZint::arg_data_esc(QString& cmd, const char *const opt, QString& text, const bool win) {
const char delim = win ? '"' : '\'';
if (win) {
// Difficult (impossible?) to fully escape strings on Windows, e.g. "blah%PATH%" will substitute
// env var PATH, so just doing basic escaping here
text.replace("\\\\", "\\\\\\\\"); // Double-up backslashed backslash `\\` -> `\\\\`
text.replace("\"", "\\\""); // Backslash quote `"` -> `\"`
QByteArray bstr = text.toUtf8();
cmd += QString::asprintf(" %s%c%.*s%c", opt, delim, (int) bstr.length(), bstr.data(), delim);
} else {
text.replace("'", "'\\''"); // Single quote `'` -> `'\''`
QByteArray bstr = text.toUtf8();
cmd += QString::asprintf(" %s%c%.*s%c", opt, delim, (int) bstr.length(), bstr.data(), delim);
}
}
void QZint::arg_float(QString& cmd, const char *const opt, const float val, const bool allowZero) {
if (val > 0 || (val == 0 && allowZero)) {
cmd += QString::asprintf(" %s%g", opt, val);
}
}
void QZint::arg_structapp(QString& cmd, const char *const opt, const int count, const int index,
const QString& id, const bool win) {
if (count >= 2 && index >= 1) {
if (id.isEmpty()) {
cmd += QString::asprintf(" %s%d,%d", opt, index, count);
} else {
QByteArray bstr = id.toUtf8();
arg_data(cmd, opt, QString::asprintf("%d,%d,%.*s", index, count, (int) bstr.length(), bstr.data()),
win);
}
}
}
} /* namespace Zint */
/* vim: set ts=4 sw=4 et : */
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