About your second question, Try enabling anti-alias on your paint object On Fri, Sep 30, 2011 at 1:56 PM, Nathan <critter...@crittermap.com> wrote:
> Hi, > > I'm using DrawtextOnPath. > > My first question is what does hOffset really mean? It says the distance > along the path to add to the text's starting position. Is this Euclidean > distance in pixels or what? > > There is no Canvas.measurePath() command that I can tell, so I have > estimated the total length of the path by summing the length of its line > segments. > > lengthsquared+=(x-lastx)*(x-lastx) + (y-lasty)*(y-lasty); > > totallength = Math.sqrt(lengthsquared) > > I think, using my excellent math skills, that I should then be able to > divide totallength by canvas.measureText() to get a number of times I should > repeat the text along the path, evenly spaced. > > But I am find that the totallength in most cases is smaller than it should > be. So what should the true range of hOffset be? > public void drawTextOnPath > (String<http://developer.android.com/reference/java/lang/String.html> > text, > Path<http://developer.android.com/reference/android/graphics/Path.html> path, > float hOffset, float vOffset, > Paint<http://developer.android.com/reference/android/graphics/Paint.html> > paint) > Since: API Level > 1<http://developer.android.com/guide/appendix/api-levels.html#level1> > > Draw the text, with origin at (x,y), using the specified paint, along the > specified path. The paint's Align setting determins where along the path to > start the text. > ParameterstextThe text to be drawnpathThe path the text should follow for > its baselinehOffsetThe distance along the path to add to the text's > starting positionvOffsetThe distance above(-) or below(+) the path to > position the textpaintThe paint used for the text (e.g. color, size, > style) > Second Question. > The other problem is that it doesn't look so great. > It does look okay in APIDemos where you know both the size of the text and > have control over the path. > But when you are data driven and you are using the Path to draw a, well, > path, as in walking path and trying to stretch a label on it, it tends to > look like graffiti rather easily. When going around a convex curve or > corner, it stretches letters as if there were an ink spill. When going > around a concave curve, words overlap like a broken typewriter. > > Has anyone done something to make it look better? > I know some of this is art more than science. > > Nathan > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- ~ Jeremiah:9:23-24 Android 2D MMORPG: http://solrpg.com/, http://www.youtube.com/user/revoltingx -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en