FHWS/IndoorMap
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a lot of work on th map-creator

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This commit is contained in:
FrankE
2016-07-04 15:11:10 +02:00
parent 6243165084
commit 2935f468fc
61 changed files with 2612 additions and 3342 deletions
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79
UIHelper.h
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@@ -3,8 +3,12 @@
#include <QImage>
#include <QPainter>
#include <QRgb>
#include <QtSvg/QSvgRenderer>
#include <unordered_map>
class UIHelper {
public:
@@ -15,16 +19,71 @@ public:
// return QIcon(img);
// }
static QIcon getIcon(const std::string& name) {
const int size = 32;
const QColor fill = Qt::transparent;
const std::string file = "://res/icons/" + name + ".svg";
QSvgRenderer renderer(QString(file.c_str()));
QPixmap pm(size, size);
pm.fill(fill);
QPainter painter(&pm);
renderer.render(&painter, pm.rect());
return QIcon(pm);
static const QPixmap& getPixmap(const std::string& name, const int size = 32) {
// caching
static std::unordered_map<std::string, QPixmap> cache;
// try to get the image from the cache
const std::string cacheKey = std::to_string(size) + name;
auto it = cache.find(cacheKey);
// not in cache?
if (it == cache.end()) {
// build
const QColor fill = Qt::transparent;
const std::string file = "://res/icons/" + name + ".svg";
QSvgRenderer renderer(QString(file.c_str()));
QPixmap pm(size, size);
pm.fill(fill);
QPainter painter(&pm);
renderer.render(&painter, pm.rect());
// add to cache
cache[cacheKey] = pm;
}
// done
return cache[cacheKey];
}
static const QPixmap& getPixmapColored(const std::string& name, const QColor color, const int size = 32) {
// caching
static std::unordered_map<std::string, QPixmap> cache;
// try to get the image from the cache
const QString hex = color.name();
const std::string cacheKey = hex.toStdString() + "_" + std::to_string(size) + "_" + name;
auto it = cache.find(cacheKey);
// not in cache?
if (it == cache.end()) {
// copy
QPixmap colored = getPixmap(name, size);
QPainter painter(&colored);
painter.setCompositionMode(QPainter::CompositionMode_SourceIn);
painter.fillRect(colored.rect(), color);
painter.end();
// add to cache
cache[cacheKey] = colored;
}
// done
return cache[cacheKey];
}
static QIcon getIcon(const std::string& name, const int size = 32) {
return QIcon(getPixmap(name, size));
}
};