From: Chris Bagwell <[email protected]>
Signed-off-by: Chris Bagwell <[email protected]>
Reviewed-by: Peter Hutterer <[email protected]>
---
src/wcmCommon.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/wcmCommon.c b/src/wcmCommon.c
index 39a211d..f060a7b 100644
--- a/src/wcmCommon.c
+++ b/src/wcmCommon.c
@@ -98,6 +98,11 @@ void wcmMappingFactor(InputInfoPtr pInfo)
priv->bottomX, priv->bottomY, priv->sizeX, priv->sizeY,
priv->maxWidth, priv->maxHeight);
+ /* maxWidth and maxHeight are size of screen. So factorX and
+ * factorY are screen units per tool units and is used
+ * later to scale tool movement on tablet to cursor movement
+ * on the scree.
+ */
priv->factorX = (double)priv->maxWidth / (double)priv->sizeX;
priv->factorY = (double)priv->maxHeight / (double)priv->sizeY;
DBG(2, priv, "X factor = %.3g, Y factor = %.3g\n",
--
1.7.3.4
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