Android Paint Text Size

You should see the following on different resolutions. Theres actually three different ways of measuring text.

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Float textWidth pmeasureTexttext.

Android paint text size. The body text size in Material Design is 14sp. AndroidRuntimeRegistersetTextSize FV GetSetTextSize_FHandler public virtual float TextSize get. Color size style.

The text to be drawn. Inherited from Paint TextSize. Paint mTextPaint new Paint PaintANTI_ALIAS_FLAG.

Inherited from Paint TextSkewX. Set the paint for that size. Well set the anti-alias flag again so everything is drawn normally and smoothly were going to set our color to white.

Then I use it like. Inherited from Paint TextLocale. Figure out what textSize setting would create that height of text float size.

The magic happens on the call to getResources getDimensionPixelSize. Float conversionScale floatrendererElementFontSize rendererControlTextSize. Id like to convert a TextSize and a scaledDensity values for native Android into a FontSize value so that the text has the same size on the screen.

For instance while 14sp is the default text size when the text can be quite long when theres only a small modal with a bit of text its 16sp. Abstract member DrawText. Return the paints text size.

This function grabs your set font size in this case 20sp and returns it as an appropriate size to give to your paint. Int xOffset intwidthToFitStringInto-textWidth2f – intfontSize2f. The paint used for the text eg.

Ive already asked some related questions here and here. Get the height that would have been produced int h boundsbottom – boundstop. Return the paints horizontal scale factor for text.

Float desiredTextSize testTextSize desiredWidth boundswidth. Calculate the desired size as a proportion of our testTextSize. We havent used a text paint yet most of what you can do with the text paint is very similar to a normal paint.

Float textWidth paintMeasureText str. PaintgetTextBoundstext 0 textlength bounds. Val paint Paint painttypeface ResourcesCompatgetFont context Rfontkaushanscript painttextSize 500f paintcolor Colorargb 255 3 221 252 val contents g val rect Rect paintgetTextBounds contents 0 1 rect val width rectwidth.

Ask the paint for the bounding rect if it were to draw this text mTextPaintgetTextBoundsmText 0 mTextlength bounds. Rect bounds new Rect. Return the paints Align value for drawing text.

After that were going to create our letter paint. Return the paints. Void adjustTextSize mTextPaintsetTextSize100.

Inherited from Paint TextLocales Inherited from Paint TextScaleX. AndroidRuntimeRegistergetTextSize F GetGetTextSizeHandler set. Androidpadding20dp androidlayout_widthmatch_parent androidlayout_heightmatch_parent androidlayout_widthmatch_parent androidlayout_heightmatch_parent androidgravitycenter_horizontal androidorientationhorizontal androidgravityend androidtextCanvas Function.

The text size is exactly what it sounds like. Using Bitmap bitmap BitmapCreateBitmap width height BitmapConfigArgb8888 Canvas canvas new Canvas bitmap. Val textBound Rect paintgetTextBounds TEXT 0 TEXTlength textBound With the above it will produce measure the TextBound per the exact size.

Currently what I do is to find a conversionScale. Paint is the attributes which will tell the canvas what to do to the provided text. Rect bounds new Rect.

Make the text text up 70 of the height float target floatmViewHeight7f. Void CreateBitmapData string str out byte bitmapData out int width out int height Paint paint new Paint. String int int single single AndroidGraphicsPaint – unit Parameters.

The issue is that it seems there isnt a way to convert TextSize to FontSize from Android to XamarinForms and vice-versa. Get the text Locale. Public static int getApproxXToCenterTextString text Typeface typeface int fontSize int widthToFitStringInto Paint p new Paint.

String int int single single AndroidGraphicsPaint – unit override thisDrawText. Return the paints text size. AndroidididcanvasSpinner androidlayout_widthwrap_content androidlayout_heightwrap_content androidentriesarraycanvas_function android.

Use densityMultiplier to take into account different pixel densities final float densityMultiplier getContextgetResources getDisplayMetricsdensity. Given a scaled density and a font size of certain values for Android I would expect that XamarinForms would render the text of the same size if I set FontSize myTextSize displayMetricsScaledDensity. You should think of this as the normal font size and basically everything else a variation on it.

Width height 256. You can simply get the text size for a Paint object using getTextSize method.

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