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bump crengine: adds support for dpi-based css units (#4040)

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Adds a new toggle to the bottom menu: Zoom (dpi), which
allows for scaling CSS absolute units and image sizes.
This commit is contained in:
poire-z
2018-07-03 07:05:57 +02:00
committed by GitHub
parent ecd7b5b413
commit d8e58a08fd
6 changed files with 54 additions and 8 deletions
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15
frontend/document/credocument.lua
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@@ -452,6 +452,21 @@ function CreDocument:setTrustSoftHyphens(toggle)
self._document:setIntProperty("crengine.hyphenation.trust.soft.hyphens", toggle and 1 or 0)
end
function CreDocument:setRenderDPI(value)
-- set DPI used for scaling css units (with 96, 1 css px = 1 screen px)
-- it can be different from KOReader screen DPI
-- it has no relation to the default fontsize (which is already
-- scaleBySize()'d when provided to crengine)
logger.dbg("CreDocument: set render dpi", value or 96)
self._document:setIntProperty("crengine.render.dpi", value or 96)
end
function CreDocument:setRenderScaleFontWithDPI(toggle)
-- wheter to scale font with DPI, or keep the current size
logger.dbg("CreDocument: set render scale font with dpi", toggle)
self._document:setIntProperty("crengine.render.scale.font.with.dpi", toggle)
end
function CreDocument:clearSelection()
logger.dbg("clear selection")
self._document:clearSelection()