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PrintLayout: disable the QPainter scaling

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This is wrong because we don't really need to scale. We already
have the estimated page dimentions in pixels, so taking the
quotient of the printer DPI and screen DPI and then scaling
(probably up) our rendered widgets via the QPainter introduces
blur (due to the oversampling), and a performance penalty.

By rendering at the exact dimensions we ensure that the widgets
are crisp at a 100% printout.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Lubomir I. Ivanov 2014-07-25 03:50:40 +03:00 • committed by Dirk Hohndel
parent 5e8f4c8560
commit feda96cec5
2 changed files with 9 additions and 15 deletions
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3
qt-ui/printlayout.h
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@ -25,8 +25,7 @@ private:
QPrinter *printer;
struct options *printOptions;
int screenDpiX, screenDpiY, printerDpi, scaledPageW, scaledPageH;
qreal scaleX, scaleY;
int screenDpiX, screenDpiY, printerDpi, pageW, pageH;
QRect pageRect;
QVector<QString> tablePrintColumnNames;