lbrycrd/src/qt/splashscreen.cpp

82 lines
2.9 KiB
C++

#include "splashscreen.h"
#include "clientversion.h"
#include "util.h"
#include "chainparams.h"
#include <QApplication>
#include <QPainter>
SplashScreen::SplashScreen(const QPixmap &pixmap, Qt::WindowFlags f) :
QSplashScreen(pixmap, f)
{
// set reference point, paddings
int paddingRight = 50;
int paddingTop = 50;
int titleVersionVSpace = 17;
int titleCopyrightVSpace = 40;
float fontFactor = 1.0;
// define text to place
QString titleText = QString(QApplication::applicationName()).replace(QString("-testnet"), QString(""), Qt::CaseSensitive); // cut of testnet, place it as single object further down
QString versionText = QString("Version %1").arg(QString::fromStdString(FormatFullVersion()));
QString copyrightText = QChar(0xA9)+QString(" 2009-%1 ").arg(COPYRIGHT_YEAR) + QString(tr("The Bitcoin developers"));
QString testnetAddText = QString(tr("[testnet]")); // define text to place as single text object
QString font = "Arial";
// load the bitmap for writing some text over it
QPixmap newPixmap;
if(TestNet()) {
newPixmap = QPixmap(":/images/splash_testnet");
}
else {
newPixmap = QPixmap(":/images/splash");
}
QPainter pixPaint(&newPixmap);
pixPaint.setPen(QColor(100,100,100));
// check font size and drawing with
pixPaint.setFont(QFont(font, 33*fontFactor));
QFontMetrics fm = pixPaint.fontMetrics();
int titleTextWidth = fm.width(titleText);
if(titleTextWidth > 160) {
// strange font rendering, Arial probably not found
fontFactor = 0.75;
}
pixPaint.setFont(QFont(font, 33*fontFactor));
fm = pixPaint.fontMetrics();
titleTextWidth = fm.width(titleText);
pixPaint.drawText(newPixmap.width()-titleTextWidth-paddingRight,paddingTop,titleText);
pixPaint.setFont(QFont(font, 15*fontFactor));
// if the version string is to long, reduce size
fm = pixPaint.fontMetrics();
int versionTextWidth = fm.width(versionText);
if(versionTextWidth > titleTextWidth+paddingRight-10) {
pixPaint.setFont(QFont(font, 10*fontFactor));
titleVersionVSpace -= 5;
}
pixPaint.drawText(newPixmap.width()-titleTextWidth-paddingRight+2,paddingTop+titleVersionVSpace,versionText);
// draw copyright stuff
pixPaint.setFont(QFont(font, 10*fontFactor));
pixPaint.drawText(newPixmap.width()-titleTextWidth-paddingRight,paddingTop+titleCopyrightVSpace,copyrightText);
// draw testnet string if testnet is on
if(TestNet()) {
QFont boldFont = QFont(font, 10*fontFactor);
boldFont.setWeight(QFont::Bold);
pixPaint.setFont(boldFont);
fm = pixPaint.fontMetrics();
int testnetAddTextWidth = fm.width(testnetAddText);
pixPaint.drawText(newPixmap.width()-testnetAddTextWidth-10,15,testnetAddText);
}
pixPaint.end();
this->setPixmap(newPixmap);
}