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Change-Id: I56c7e727f3d9b08195f38939106620c744c6eaf0
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: BogDan Vatra <bogdan@kde.org>
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CMAP guarantees there is 1:1 mapping between the Unicode code points
array and the glyph indexes array, which means the QString length
always greater than or equal to a sufficient glyph indexes array length.
Simply add some asserts and improve the memory consumption
and the performance where possible.
Change-Id: I0bc8cdba5f86c1c0ba9e79c8d5f96cbe56ec463e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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Distance fields are stored using a one-byte alpha component per pixel, a
format that QImage doesn't currently support. The Indexed8 format was used
instead, limiting what could be done with the QImage.
This patch introduces a new private class, QDistanceField, with a similar
API to QImage and using the Alpha8 pixel format. Unlike QImage which
aligns scanlines on a 4-byte boundary, QDistanceField tightly packs
scanlines together.
Task-number: QTBUG-30908
Task-number: QTBUG-32861
Change-Id: Ic273259ea07dfbd2b81a6358c0ca11a2330eb749
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
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Change-Id: Ic804938fc352291d011800d21e549c10acac66fb
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
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1. cloneWithSize() may return 0
1bis. QRawFont::setPixelSize() may ivalidate the font (due to 1.)
2. using the data obtained from a temporary QString is never safe!
Change-Id: I0cd5f807d8077ef5112704e475f1904bd6fc4b1b
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
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Change copyrights and license headers from Nokia to Digia
Change-Id: If1cc974286d29fd01ec6c19dd4719a67f4c3f00e
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
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These flags are specific to font engine(s) and has nothing
to do with the text engine or the text layout.
Change-Id: I4bb793c3c634b3cf0ae0a8a8c23b946fad5874b6
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
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The distance field generator was always returning a 64x64 pixels image.
It now returns an image with a variable width (width of the represented
glyph) and always a height of 64px.
Change-Id: Id5f11a50a8031ebca10cd4803adf179ccde6db26
Reviewed-by: Kim M. Kalland <kim.kalland@nokia.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com>
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Required changes for using shared graphics cache for distance field
raster glyph rendering. Most of the logic is in platform plugins.
Platform plugins should implement
QPlatformIntegration::createImagePaintEngine() to create a subclass
of QRasterEngine.
Change-Id: Icf0a396e722e43b4caa2c1849aae38753cde38f1
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com>
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Since we may use distance field text rendering in raster, these
functions need to be moved from declarative to QtGui.
Change-Id: I158bc3bae02b5590ae812f06ad7a78a5914bcb9e
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com>
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