Difference between revisions of "Porting pushStyle(), popStyle(), and boolean() to Processing.js"
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*[http://processing.org/reference/stringEquals_.html ''String::equals()''] | *[http://processing.org/reference/stringEquals_.html ''String::equals()''] | ||
*[http://processing.org/reference/nf_.html ''nf()''] (bug fix) | *[http://processing.org/reference/nf_.html ''nf()''] (bug fix) | ||
| + | *[http://processing.org/reference/int_.html ''int()''] (bug fix) | ||
== Resources == | == Resources == | ||
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*float and doubles rounded to thousandths digit. | *float and doubles rounded to thousandths digit. | ||
*.5 rounds down rather than up. | *.5 rounds down rather than up. | ||
| + | |||
| + | ===int()=== | ||
| + | *JavaScript does not distinguish between bytes and ints, causing incomplete replication of Processing behaviour | ||
| + | *Processing's ''PApplet.parseInt(String)'' and ''PApplet.parseInt(String[])'' handles doubles-as-Strings differently. In the former, doubles are 'floored' correctly, in the latter exceptions are thrown. | ||
==Things to do== | ==Things to do== | ||
| Line 97: | Line 102: | ||
!Notes | !Notes | ||
!Resources | !Resources | ||
| + | |- | ||
| + | |0.5 | ||
| + | |''min()'', ''max()'', ''nf()'', and ''int()'' enhanced. ''String::equals()'' implemented. | ||
| + | | | ||
| + | *[http://github.com/mlam19/processing-js/commit/2b829739c5a70322e384b1103bf0313e1935d045 ''int()'' GitHub commit] | ||
| + | *[http://github.com/mlam19/processing-js/commit/6b5d56d6f9aa2d7e431164201b9aa8a007178d34 ''nf()'' GitHub commit] | ||
| + | *[http://github.com/mlam19/processing-js/commit/c29df2b8c9cd68572ca1e01196306770fab14ff8 ''String::equals()'' GitHub commit] | ||
| + | *[http://github.com/mlam19/processing-js/commit/541d520221006cd37df153fa656b7a657ff8025d ''min()'' and ''max()'' commit] | ||
|- | |- | ||
|0.4 | |0.4 | ||
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!Date | !Date | ||
!Notes | !Notes | ||
| + | |- | ||
| + | |Feb. 5, 2010 | ||
| + | |[http://wobblyretroaction.blogspot.com/2010/02/processingjs-int-and-release-05.html ''int()'' upgraded, and release 0.5 announcement] | ||
|- | |- | ||
|Feb. 2, 2010 | |Feb. 2, 2010 | ||
Latest revision as of 07:22, 5 February 2010
Contents
Project Name
Porting Processing to Processing.js
Project Description
Processing.js remains incomplete as a port of Processing. The following functions are targeted:
- pushStyle()
- popStyle()
- boolean()
- strokeCap()
- strokeJoin()
- text() (bug fix)
- min() (bug fix)
- max() (bug fix)
- String::equals()
- nf() (bug fix)
- int() (bug fix)
Resources
Project Leader(s)
Project Contributor(s)
Project Details
pushStyle() and popStyle()
- The number of states saved is tracked by pushedStates.
- pushStyle() calls curContext.save() and increments pushedStates by one.
- Excess pops are ignored.
Related Mozilla bugs
- #451165 - CanvasRenderingContext2D.fillStyle and strokeStyle accept invalid colours
- pushStyle() and popStyle() use CanvasRenderingContext2D.save() and restore(). These functions save fillStyle and strokeStyle.
boolean()
- Non-zero numeric values become true
- Bytes (0's and 1's) are interpreted as numeric values.
- null and undefine become false.
- Boolean arguments are returned as themselves.
strokeCap()
- Modifies context.lineCap.
- ROUND -> context.lineCap="round";
- SQUARE -> context.lineCap="butt";
- PROJECT -> context.lineCap="square";
- Processing default (ROUND) set in function init.
- function size modified to respect previous settings.
- Used to recreate context and reset settings, which overwrote the desired default.
strokeJoin()
text()
- Partially implementation missing ability to take int, float, double, and byte arguments.
- float and doubles rounded to thousandths digit.
- .5 rounds down rather than up.
int()
- JavaScript does not distinguish between bytes and ints, causing incomplete replication of Processing behaviour
- Processing's PApplet.parseInt(String) and PApplet.parseInt(String[]) handles doubles-as-Strings differently. In the former, doubles are 'floored' correctly, in the latter exceptions are thrown.
Things to do
| Description | Status | Assigned to | Link |
|---|---|---|---|
| Test cases for pushStyle() and popStyle() | Done | Matthew Lam | Test page |
| Test cases for boolean() | Done | Matthew Lam | Test page |
| Test cases for strokeCap() | Done | Matthew Lam | Test page |
| Test cases for strokeJoin() | Done | Matthew Lam | Test page |
| Test cases for text() | Done | Matthew Lam | Test page |
Releases
| Version | Notes | Resources |
|---|---|---|
| 0.5 | min(), max(), nf(), and int() enhanced. String::equals() implemented. | |
| 0.4 | text() implementation enhanced. | |
| 0.3 | strokeCap() and strokeJoin() ported. | Final GitHub commit |
| 0.2 | Bug fixes for pushStyle(), popStyle(), and boolean(). Functions now functional. | Patch |
| 0.1 | Basic functionality for pushStyle() and popStyle(). Totally untested code for boolean(). | Patch |
Project News
| Date | Notes |
|---|---|
| Feb. 5, 2010 | int() upgraded, and release 0.5 announcement |
| Feb. 2, 2010 | nf() upgraded |
| Jan. 31, 2010 | String::equals() completed |
| Jan. 31, 2010 | min() and max() upgraded |
| Jan. 20, 2010 | Release 0.4 announcement |
| Jan. 14, 2010 | Project continuation blog |
| Dec. 9, 2009 | Release 0.3 announcement. |
| Dec. 2, 2009 | strokeJoin() completed. |
| Nov. 29, 2009 | strokeCap() completed. |
| Nov. 19, 2009 | Release 0.2 announcement. |
| Oct. 19, 2009 | Release 0.1 announcement. |
| Oct. 12, 2009 | Project expanded to include boolean(). |
| Sept. 28, 2009 | Basic improvements allow the rudimentary Processing example to function in Processing.js. |
| Sept. 27, 2009 | The initial project proposal has been posted. Repository at github created. |
