LPE for groups - Revision history

Steren: /* LPE for groups */

2008-03-12T01:15:00Z

LPE for groups

← Older revision		Revision as of 01:15, 12 March 2008
Line 1:		Line 1:
	=LPE for groups=		=LPE for groups=

			[[Image:Test_bendpathgroup.png]]

	This Project is part of a student project from Ecole Centrale de Lyon.		This Project is part of a student project from Ecole Centrale de Lyon.

Steren: /* Bend Path for group */

2008-03-12T01:14:35Z

Bend Path for group

← Older revision		Revision as of 01:14, 12 March 2008
Line 75:		Line 75:
	- It now considers the bounding box of the whole group.		- It now considers the bounding box of the whole group.
	- The Translation formula has been tweaked.		- The Translation formula has been tweaked.
	The effect now has the behavior we naturally expect : See [[http://steren.giannini.googlepages.com/Bend_path_group.png]]		The effect now has the behavior we naturally expect : See http://steren.giannini.googlepages.com/Bend_path_group.png for a screenshot.

			Here is another example : [[Image:Test_bendpathgroup.png]]

Steren: /* Bend Path for group */

2008-03-12T00:54:13Z

Bend Path for group

← Older revision		Revision as of 00:54, 12 March 2008
Line 70:		Line 70:

	===Bend Path for group===		===Bend Path for group===
	Bend Path didn't worked at all with groups. Indeed, the control ~~path was~~ created from the original shape, in the case of a group, the original shape wasn't found.		Bend Path didn't worked at all with groups. Indeed, the control had to be created from the original shape, in the case of a group, the original shape wasn't found.

	11/03/08 : It now considers the bounding box of the whole group.		11/03/08 :
			- It now considers the bounding box of the whole group.
			- The Translation formula has been tweaked.
			The effect now has the behavior we naturally expect : See [[http://steren.giannini.googlepages.com/Bend_path_group.png]]

Steren: /* The work */

2008-03-11T22:44:26Z

The work

← Older revision		Revision as of 22:44, 11 March 2008
Line 65:		Line 65:
	The first LPE can be modified by double clicking on the shape in the group.		The first LPE can be modified by double clicking on the shape in the group.
	(http://steren.giannini.googlepages.com/rendu_LPEgroup_1.png)		(http://steren.giannini.googlepages.com/rendu_LPEgroup_1.png)
	A new LPE can also be applied to a sub-path in the group.		A new LPE can also be applied to a sub-path in a group.

			11/03/08 : Bug fix : When a sub-shape is modified, the Effect is refreshed.

			===Bend Path for group===
			Bend Path didn't worked at all with groups. Indeed, the control path was created from the original shape, in the case of a group, the original shape wasn't found.

			11/03/08 : It now considers the bounding box of the whole group.

Steren: /* Calculating the LPE for each shape */

2008-03-04T22:14:42Z

Calculating the LPE for each shape

← Older revision		Revision as of 22:14, 4 March 2008
Line 60:		Line 60:
	- In the following screenshot, A "Gear" LPE is applied to a group of two shapes :		- In the following screenshot, A "Gear" LPE is applied to a group of two shapes :
	http://steren.giannini.googlepages.com/lpe_group_test.png		http://steren.giannini.googlepages.com/lpe_group_test.png


	- If a sub shape has already a LPE applied, everything works as expected :		- If a sub shape has already a LPE applied, everything works as expected :
	The LPE can be applied to the group on the result of the first LPE.		The LPE can be applied to the group on the result of the first LPE.
	The first LPE can be modified by double clicking on the shape in he group.		The first LPE can be modified by double clicking on the shape in the group.
	http://steren.giannini.googlepages.com/rendu_LPEgroup_1.png		(http://steren.giannini.googlepages.com/rendu_LPEgroup_1.png)
			A new LPE can also be applied to a sub-path in the group.

Steren: /* Calculating the LPE for each shape */

2008-03-04T22:10:35Z

Calculating the LPE for each shape

← Older revision		Revision as of 22:10, 4 March 2008
Line 56:		Line 56:

	===Calculating the LPE for each shape===		===Calculating the LPE for each shape===
	04/03/08 : A shape has now a group_path_effect_ref attribute that store in memory the ~~Lpe~~ applied to the group.		04/03/08 : A shape has now a group_path_effect_ref attribute that store in memory the LPE applied to the group.

	In the following screenshot, A "Gear" LPE is applied to a group of two shapes.		- In the following screenshot, A "Gear" LPE is applied to a group of two shapes :
	[http://steren.giannini.googlepages.com/~~lpe_group_test~~.png]		http://steren.giannini.googlepages.com/lpe_group_test.png


			- If a sub shape has already a LPE applied, everything works as expected :
			The LPE can be applied to the group on the result of the first LPE.
			The first LPE can be modified by double clicking on the shape in he group.
			http://steren.giannini.googlepages.com/rendu_LPEgroup_1.png

Steren: /* LPE for groups */

2008-03-04T21:20:09Z

LPE for groups

← Older revision		Revision as of 21:20, 4 March 2008
Line 49:		Line 49:

	</g>		</g>

			==The work==

			===Storing LPE group in the svg file===
			15/02/08 : we store information as we described before : ''original-d'' for each shape and ''inkscape:path-effect'' to the group.

			===Calculating the LPE for each shape===
			04/03/08 : A shape has now a group_path_effect_ref attribute that store in memory the Lpe applied to the group.

			In the following screenshot, A "Gear" LPE is applied to a group of two shapes.
			[http://steren.giannini.googlepages.com/lpe_group_test.png]

Steren: /* LPE for groups */

2008-02-05T22:27:29Z

LPE for groups

← Older revision		Revision as of 22:27, 5 February 2008
Line 2:		Line 2:

	This Project is part of a student project from Ecole Centrale de Lyon.		This Project is part of a student project from Ecole Centrale de Lyon.
			(SVN : http://svn.eclair.ec-lyon.fr/ )

	----		----

			==Introduction==
	Today, LPE can only be applied to single path. The goal of this project is to enable LPE for groups of paths.		Today, LPE can only be applied to single path. The goal of this project is to enable LPE for groups of paths.

Line 13:		Line 14:

	Main points are :		Main points are :
	* a. how to put it in SVG		* a. how to put it in SVG > See the svg code mock-up
	* b. how to render it in inkscape		* b. how to render it in inkscape
	* c. what happens when a path in a group with LPE has its own LPE applied (chaining?)		* c. what happens when a path in a group with LPE has its own LPE applied (chaining?)

			==svg code==
			Here is an idea of the svg code :

			<defs>

			<inkscape:path-effect
			effect="bend_path"
			id="path-effect2391"
			bendpath="M 62.8571,376.648 C 227.61907,256.19958 392.38103,260.92537 557.143,376.648"
			prop_scale="1"
			bendpath-nodetypes="cc" />

			</defs>
			And then, for the group : the effect params are for the group, the original paths are for each shape.
			<g
			id="g2438"
			inkscape:path-effect="#path-effect2391">

			<path
			style="opacity:0.93699993;fill:#00ffff;fill-opacity:0.99685531;fill-rule:nonzero;stroke:#000000;stroke-width:8.60000038;stroke-linejoin:round;stroke-miterlimit:4;stroke-dashoffset:0;stroke-opacity:1"
			d="M -7.11922,280.927 C 37.9458,247.569 89.2988,218.713 146.607,197.876 C 198.322,179.282 253.844,169.323 310.85,169.515 C 310.85,169.515 310.85,169.515 310.85,169.515 C 367.851,170.198 422.845,180.778 473.748,199.332 C 529.85,219.891 580.42,247.738 625.293,279.618 L 488.993,473.678 C 457.274,451.763 425.352,433.602 393.395,422.447 C 365.1,412.479 336.324,406.573 309.15,406.652 C 282.11,406.242 253.702,411.611 226.251,421.245 C 194.956,432 163.706,450.213 132.833,472.369"
			id="rect2388"
			inkscape:original-d="M 62.857143,258.07648 L 557.14285,258.07648 L 557.14285,495.21933 L 62.857143,495.21933 L 62.857143,258.07648 z" />

			<path
			style="opacity:0.93699993;fill:#00ffff;fill-opacity:0.99685531;fill-rule:nonzero;stroke:#000000;stroke-width:8.60000038;stroke-linejoin:round;stroke-miterlimit:4;stroke-dashoffset:0;stroke-opacity:1"
			d="M -7.11922,280.927 C 37.9458,247.569 89.2988,218.713 146.607,197.876 C 367.851,170.198 422.845,180.778 473.748,199.332 C 529.85,219.891 580.42,247.738 625.293,279.618 L 488.993,473.678 C 457.274,451.763 425.352,433.602 393.395,422.447 C 365.1,412.479 336.324,406.573 309.15,406.652 C 282.11,406.242 253.702,411.611 226.251,421.245 C 194.956,432 163.706,450.213 132.833,472.369"
			id="rect2348"
			inkscape:original-d="M 137.38075,749.31641 L 331.33005,749.31641 L 331.33005,1040.2404 L 137.38075,1040.2404 L 137.38075,749.31641 z" />

			</g>

Steren at 19:09, 9 January 2008

2008-01-09T19:09:30Z

← Older revision		Revision as of 19:09, 9 January 2008
Line 1:		Line 1:
			=LPE for groups=

	This Project is part of a student project from Ecole Centrale de Lyon.		This Project is part of a student project from Ecole Centrale de Lyon.

Steren at 18:47, 9 January 2008

2008-01-09T18:47:34Z

← Older revision		Revision as of 18:47, 9 January 2008
Line 11:		Line 11:

	Main points are :		Main points are :
	a. how to put it in SVG		* a. how to put it in SVG
	b. how to render it in inkscape		* b. how to render it in inkscape
	c. what happens when a path in a group with LPE has its own LPE applied (chaining?)		* c. what happens when a path in a group with LPE has its own LPE applied (chaining?)