/**
* Render a text run with the set-up paint.
*
* @param c the canvas
* @param wp the paint used to render the text
* @param start the start of the run
* @param end the end of the run
* @param contextStart the start of context for the run
* @param contextEnd the end of the context for the run
* @param runIsRtl true if the run is right-to-left
* @param x the x position of the left edge of the run
* @param y the baseline of the run
*/
private void drawTextRun(
Canvas c,
TextPaint wp,
int start,
int end,
int contextStart,
int contextEnd,
boolean runIsRtl,
float x,
int y) {
int flags = runIsRtl ? Canvas.DIRECTION_RTL : Canvas.DIRECTION_LTR;
if (mCharsValid) {
int count = end - start;
int contextCount = contextEnd - contextStart;
c.drawTextRun(mChars, start, count, contextStart, contextCount, x, y, flags, wp);
} else {
int delta = mStart;
c.drawTextRun(
mText,
delta + start,
delta + end,
delta + contextStart,
delta + contextEnd,
x,
y,
flags,
wp);
}
}
