R=r, rsc
CC=golang-dev, rog
http://codereview.appspot.com/1746043

It still isn't perfect (e.g. it doesn't join), but it's getting closer.

Also fix the bug where RotateCW and RotateCCW was mixed up, since the
Y-axis grows down in a computer graphics co-ordinate system, not up as
in classical mathematics.

R=r, rsc, rog
CC=golang-dev
http://codereview.appspot.com/1736043

The stroking algorithm is a placeholder. A proper one will land in a
future change once the API is agreed upon.

R=r, rsc
CC=golang-dev, rog
http://codereview.appspot.com/1708045

R=nigeltao_golang, r2
CC=golang-dev
http://codereview.appspot.com/1728041

Committer: Nigel Tao <nigeltao@golang.org>

R=rsc
CC=golang-dev
http://codereview.appspot.com/1392041

32 bit.

R=rsc
CC=golang-dev
http://codereview.appspot.com/1389041

a Context can now take any Painter during DrawText.

R=r
CC=rog, golang-dev
http://codereview.appspot.com/1341041

R=rsc, r
CC=rog, golang-dev
http://codereview.appspot.com/1332041

Roger is already in the A+C list for the main Go repo.

R=r
CC=rog, golang-dev
http://codereview.appspot.com/1313043

magic zero value to indicate end of painting.

This means that Painter implementations can assume thant the Spans' Y
values are monotonic.

R=rsc
CC=golang-dev, rog
http://codereview.appspot.com/1261043

R=r
CC=golang-dev
http://codereview.appspot.com/1196045

R=r
CC=golang-dev
http://codereview.appspot.com/1236042

draw text onto an image.

This is a simple API that doesn't handle line breaking, ligatures,
right-to-left or vertical scripts, and other fancy features.

R=r, rsc
CC=golang-dev
http://codereview.appspot.com/1121045

This follows ftgrays.c in the C Freetype code.
http://www.google.com/codesearch/p?hl=en#Z2JqmT2tnYQ/Amaya/Distribution/amaya-lib-src-9.54.tgz%7CcsdX8RtClJ4/freetype/src/smooth/ftgrays.c&l=653

R=rsc
CC=golang-dev
http://codereview.appspot.com/1155041

Parsing a malformed TTF may result in an index out-of-bounds panic,
rather than guaranteeing to return an error. This may be tightened
in the future.

R=r, rsc
CC=golang-dev
http://codereview.appspot.com/940044

	This is a manual hg commit of codereview change 982044
	http://codereview.appspot.com/982044

	The codereview submission did not work, possibly because some of the
	files were too large.

Introduce MonochromePainter and GammaCorrectionPainter.

R=r, rsc
CC=golang-dev
http://codereview.appspot.com/904041

R=rsc
CC=golang-dev, r
http://codereview.appspot.com/894041

R=r, rsc
CC=golang-dev
http://codereview.appspot.com/841042