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Image optimizer can output byte array

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hunbernd 2019-12-28 22:21:24 +01:00
parent 76f803316e
commit fc9ce4fddd
3 changed files with 33 additions and 25 deletions
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6
retroshare-gui/src/util/imageutil.h
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@ -23,6 +23,7 @@
#include <QTextCursor>
#include <QWidget>
#include <QByteArray>
#include <qiterator.h>
class ImageUtil
@ -31,10 +32,11 @@ public:
ImageUtil();
static void extractImage(QWidget *window, QTextCursor cursor);
static bool optimizeSize(QString &html, const QImage& original, QImage &optimized, int maxPixels = -1, int maxBytes = -1);
static bool optimizeSizeHtml(QString &html, const QImage& original, QImage &optimized, int maxPixels = -1, int maxBytes = -1);
static bool optimizeSizeBytes(QByteArray &bytearray, const QImage& original, QImage &optimized, int maxPixels = -1, int maxBytes = -1);
private:
static int checkSize(QString& embeddedImage, const QImage& img, int maxBytes = -1);
static int checkSize(QByteArray& embeddedImage, const QImage& img);
static void quantization(const QImage& img, QVector<QRgb>& palette);
static void quantization(QList<QRgb>::iterator begin, QList<QRgb>::iterator end, int depth, QVector<QRgb>& palette);
static void avgbucket(QList<QRgb>::iterator begin, QList<QRgb>::iterator end, QVector<QRgb>& palette);