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Make GUI scalable

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This commit is contained in:
Robin Stuart 2016-12-14 23:33:17 +00:00
parent 0f9a326398
commit 28ea2f1c69
7 changed files with 77 additions and 74 deletions
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53
backend_qt/qzint.cpp
View file

@ -42,6 +42,8 @@ namespace Zint {
m_option_3 = 0;
m_hidetext = 0;
m_dot_size = 4.0 / 5.0;
target_size_horiz = 0;
target_size_vert = 0;
}
QZint::~QZint() {
@ -115,6 +117,11 @@ namespace Zint {
void QZint::setText(const QString & text) {
m_text = text;
}
void QZint::setTargetSize(int width, int height) {
target_size_horiz = width;
target_size_vert = height;
}
QString QZint::primaryMessage() {
return m_primaryMessage;
@ -294,16 +301,20 @@ namespace Zint {
}
void QZint::render(QPainter & painter, const QRectF & paintRect, AspectRatioMode mode) {
encode();
bool textdone;
int comp_offset = 0, xoffset = m_whitespace, j, main_width = 0, addon_text_height = 0;
int comp_offset = 0;
int xoffset = m_whitespace;
int j, main_width = 0, addon_text_height = 0;
int yoffset = 0;
encode();
QString caption = QString::fromUtf8((const char *) m_zintSymbol->text, -1);
QFont fontSmall(fontstyle);
fontSmall.setPixelSize(fontPixelSizeSmall);
QFont fontLarge(fontstyle);
fontLarge.setPixelSize(fontPixelSizeLarge);
if (m_lastError.length()) {
painter.setFont(fontLarge);
painter.drawText(paintRect, Qt::AlignCenter, m_lastError);
@ -312,6 +323,7 @@ namespace Zint {
painter.save();
painter.setClipRect(paintRect, Qt::IntersectClip);
qreal xtr = paintRect.x();
qreal ytr = paintRect.y();
@ -334,8 +346,8 @@ namespace Zint {
qreal gwidth = m_zintSymbol->width;
qreal gheight = m_zintSymbol->height;
if (m_zintSymbol->symbology == BARCODE_MAXICODE) {
// gheight *= (maxi_width);
// gwidth *= (maxi_width + 1);
gheight *= (maxi_width);
gwidth *= (maxi_width + 1);
gwidth *= 2.0;
gheight *= 2.0;
}
@ -358,27 +370,14 @@ namespace Zint {
textoffset = 0;
}
gwidth += m_zintSymbol->whitespace_width * 2;
// switch (mode) {
// case IgnoreAspectRatio:
// xsf = (qreal) paintRect.width() / gwidth;
// ysf = (qreal) paintRect.height() / gheight;
// break;
//
// case KeepAspectRatio:
if (paintRect.width() / gwidth < paintRect.height() / gheight) {
ysf = xsf = (qreal) paintRect.width() / gwidth;
ytr += (qreal) (paintRect.height() - gheight * ysf) / 2;
} else {
ysf = xsf = (qreal) paintRect.height() / gheight;
xtr += (qreal) (paintRect.width() - gwidth * xsf) / 2;
}
// break;
// case CenterBarCode:
// xtr += ((qreal) paintRect.width() - gwidth * xsf) / 2;
// ytr += ((qreal) paintRect.height() - gheight * ysf) / 2;
// break;
// }
if (paintRect.width() / gwidth < paintRect.height() / gheight) {
ysf = xsf = (qreal) paintRect.width() / gwidth;
ytr += (qreal) (paintRect.height() - gheight * ysf) / 2;
} else {
ysf = xsf = (qreal) paintRect.height() / gheight;
xtr += (qreal) (paintRect.width() - gwidth * xsf) / 2;
}
painter.setBackground(QBrush(m_bgColor));
painter.fillRect(paintRect, QBrush(m_bgColor));
@ -386,11 +385,11 @@ namespace Zint {
painter.scale(xsf, ysf);
QPen p;
p.setColor(m_fgColor);
p.setWidth(m_borderWidth);
painter.setPen(p);
QPainterPath pt;
if (m_zintSymbol->symbology != BARCODE_MAXICODE) {
/* Draw boundary bars or boxes around the symbol */
switch (m_border) {

4
backend_qt/qzint.h
View file

@ -93,6 +93,8 @@ public:
bool save_to_file(QString filename);
void setHideText(bool hide);
void setTargetSize(int width, int height);
private:
void encode();
@ -119,6 +121,8 @@ private:
int m_option_3;
bool m_hidetext;
float m_dot_size;
int target_size_horiz;
int target_size_vert;
};
}
#endif

10
frontend_qt/barcodeitem.cpp
View file

@ -20,15 +20,19 @@
BarcodeItem::BarcodeItem()
: QGraphicsItem()
{
w=550;
h=230;
w=693;
h=378; // Default widget size when created
}
BarcodeItem::~BarcodeItem()
{
}
void BarcodeItem::setSize(int width, int height) {
w = width;
h = height;
}
QRectF BarcodeItem::boundingRect() const
{
return QRectF(0, 0, w, h);

5
frontend_qt/barcodeitem.h
View file

@ -29,12 +29,15 @@ class BarcodeItem : public QGraphicsItem
public:
BarcodeItem();
~BarcodeItem();
void setSize(int width, int height);
QRectF boundingRect() const;
void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0);
private:
int w, h;
public:
mutable Zint::QZint bc;
int w,h;
Zint::QZint::AspectRatioMode ar;
};

51
frontend_qt/mainWindow.ui
View file

@ -5,22 +5,24 @@
<property name="windowModality">
<enum>Qt::NonModal</enum>
</property>
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>701</width>
<height>724</height>
</rect>
</property>
<property name="sizePolicy">
<sizepolicy hsizetype="Fixed" vsizetype="Fixed">
<sizepolicy hsizetype="Expanding" vsizetype="Expanding">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>590</width>
<height>600</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>590</width>
<height>600</height>
<width>420</width>
<height>500</height>
</size>
</property>
<property name="windowTitle">
@ -41,32 +43,7 @@
</property>
<layout class="QVBoxLayout" name="verticalLayout_5">
<item>
<widget class="QGraphicsView" name="view">
<property name="sizePolicy">
<sizepolicy hsizetype="Fixed" vsizetype="Fixed">
<horstretch>0</horstretch>
<verstretch>0</verstretch>
</sizepolicy>
</property>
<property name="minimumSize">
<size>
<width>0</width>
<height>0</height>
</size>
</property>
<property name="maximumSize">
<size>
<width>1000</width>
<height>1000</height>
</size>
</property>
<property name="toolTip">
<string>Resulting barcode shown here</string>
</property>
<property name="autoFillBackground">
<bool>false</bool>
</property>
</widget>
<widget class="QGraphicsView" name="view"/>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout">
@ -331,8 +308,8 @@ Remember to place [square brackets] around AI data</string>
<string>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
p, li { white-space: pre-wrap; }
&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Sans Serif'; font-size:9pt; font-weight:400; font-style:normal;&quot;&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;Your Data Here!&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
&lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'Noto Sans [monotype]'; font-size:9pt; font-weight:400; font-style:normal;&quot;&gt;
&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-family:'Sans Serif';&quot;&gt;Your Data Here!&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
</property>
<property name="acceptRichText">
<bool>false</bool>

23
frontend_qt/mainwindow.cpp
View file

@ -103,8 +103,10 @@ MainWindow::MainWindow(QWidget* parent, Qt::WindowFlags fl)
/* createActions();
createMenus(); */
scene = new QGraphicsScene(this);
setupUi(this);
view->setScene(new QGraphicsScene);
view->setScene(scene);
m_fgcolor=qRgb(0,0,0);
m_bgcolor=qRgb(0xff,0xff,0xff);
@ -114,8 +116,8 @@ MainWindow::MainWindow(QWidget* parent, Qt::WindowFlags fl)
}
bstyle->setCurrentIndex(10);
change_options();
scene->addItem(&m_bc);
update_preview();
view->scene()->addItem(&m_bc);
connect(bstyle, SIGNAL(currentIndexChanged( int )), SLOT(change_options()));
connect(bstyle, SIGNAL(currentIndexChanged( int )), SLOT(update_preview()));
connect(heightb, SIGNAL(valueChanged( int )), SLOT(update_preview()));
@ -141,6 +143,12 @@ MainWindow::~MainWindow()
{
}
void MainWindow::resizeEvent(QResizeEvent* event)
{
QWidget::resizeEvent(event);
update_preview();
}
void MainWindow::reset_view()
{
m_fgcolor=qRgb(0,0,0);
@ -588,8 +596,10 @@ void MainWindow::maxi_primary()
void MainWindow::update_preview()
{
QString error;
m_bc.ar=(Zint::QZint::AspectRatioMode)1;
int width = view->geometry().width();
int height = view->geometry().height();
//m_bc.ar=(Zint::QZint::AspectRatioMode)1;
if(chkComposite->isChecked() == true) {
m_bc.bc.setPrimaryMessage(txtData->text());
m_bc.bc.setText(txtComposite->toPlainText());
@ -885,7 +895,8 @@ void MainWindow::update_preview()
m_bc.bc.setWhitespace(spnWhitespace->value());
m_bc.bc.setFgColor(m_fgcolor);
m_bc.bc.setBgColor(m_bgcolor);
m_bc.setSize(width - 10, height - 10);
m_bc.update();
view->scene()->update();
scene->setSceneRect(0, 0, width - 10, height - 10);
scene->update();
}

5
frontend_qt/mainwindow.h
View file

@ -20,6 +20,7 @@
#include <QtGui>
#include <QGraphicsItem>
#include <QMainWindow>
#include <QGraphicsScene>
#include "ui_mainWindow.h"
#include "barcodeitem.h"
@ -119,6 +120,9 @@ public slots:
void maxi_primary();
void change_print_scale();
protected:
void resizeEvent(QResizeEvent *event);
private slots:
bool save();
void about();
@ -134,6 +138,7 @@ private:
QColor m_fgcolor,m_bgcolor;
BarcodeItem m_bc;
QWidget *m_optionWidget;
QGraphicsScene *scene;
/* QMenu *fileMenu;
QMenu *helpMenu;
QAction *saveAct;