Thomas Friedel
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9c3cccabdd
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offscreen backend now has its own type, can be used as image when drawing images
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2019-02-27 13:05:23 +01:00 |
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Thomas Friedel
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a36c635367
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renamed the gradient creation methods; removed SetLineEnd function
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2019-02-22 16:56:27 +01:00 |
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Thomas Friedel
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816582dbb3
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removed FillMatrix and moved transformations to frontend
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2019-02-22 16:53:53 +01:00 |
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Thomas Friedel
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8dc91b34f5
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moved offscreen canvas to backend
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2019-02-22 16:39:30 +01:00 |
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Thomas Friedel
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fe9d6e60e4
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moved clipping to backend
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2019-02-22 16:39:30 +01:00 |
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Thomas Friedel
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e17505b056
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removed gl code that is no longer needed in frontend
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2019-02-22 16:39:30 +01:00 |
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Thomas Friedel
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e7d0b1a7ee
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text shadow rendering moved to backend
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2019-02-22 16:39:30 +01:00 |
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Thomas Friedel
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ac9a395c05
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removed some dead code
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2019-02-22 16:39:30 +01:00 |
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Thomas Friedel
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c5c13de2a4
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moved gradients to backend
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2019-02-22 16:39:30 +01:00 |
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Thomas Friedel
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a354e192b6
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image pattern support in backend
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2019-02-22 16:39:18 +01:00 |
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Thomas Friedel
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476dbac6e2
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moved image loading and drawing into backend
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2019-02-22 16:39:18 +01:00 |
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Thomas Friedel
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7cef867541
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moved backend interface to canvas.go
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2019-02-22 16:38:27 +01:00 |
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Thomas Friedel
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c28c50a22e
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added a blurred fill style in backend, used it for blurred shadow drawing
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2019-02-22 16:38:27 +01:00 |
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Thomas Friedel
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c5c8ac500f
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some shadow drawing now works using the backend
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2019-02-22 16:38:27 +01:00 |
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Thomas Friedel
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359b52f473
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more general backend fill function
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2019-02-22 16:38:27 +01:00 |
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Thomas Friedel
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114b292be7
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moved some more gl code into the backend
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2019-02-22 16:38:27 +01:00 |
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Thomas Friedel
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7dbcd9b420
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made DrawStyle public for use by backends; changed color to be color.RGBA
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2019-02-22 16:38:27 +01:00 |
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Thomas Friedel
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1e5180dd65
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started work on moving all the gl code into a backend package so that other backends can be created
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2019-02-22 16:38:27 +01:00 |
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Thomas Friedel
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6091afb755
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added some tests; improved gradient and image pattern transformations
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2019-02-22 16:37:48 +01:00 |
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Thomas Friedel
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57348acc02
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added an optional alpha channel for offscreen canvas, and a DeleteOffscreen function
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2019-02-18 11:29:12 +01:00 |
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Thomas Friedel
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c1f855278d
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undid some of the changes from the last update since it didn't work properly; added some tests
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2019-01-25 13:16:48 +01:00 |
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Thomas Friedel
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99b9763f00
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added some nonstandard performance flags
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2019-01-23 18:11:41 +01:00 |
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Thomas Friedel
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bb244c4868
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separated out a Path2D type
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2019-01-23 17:23:47 +01:00 |
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Thomas Friedel
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7565296c42
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removed the SetSize method
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2019-01-16 10:31:45 +01:00 |
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Thomas Friedel
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908e88d374
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added textBaseline
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2019-01-11 10:40:41 +01:00 |
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Thomas Friedel
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cb3e694671
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changed path to a struct
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2018-11-13 12:28:22 +01:00 |
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Thomas Friedel
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7297427a70
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fixed a bug with offscreen rendering
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2018-11-01 17:31:36 +01:00 |
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Thomas Friedel
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a01a6799f1
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reduced the maximum shadow blur size to avoid running into some gpu limitations for now
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2018-10-31 12:39:14 +01:00 |
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Thomas Friedel
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6f74599567
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added an offscreen canvas
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2018-10-31 12:30:39 +01:00 |
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Thomas Friedel
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be6d1db04f
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fixed that restoring after calling clip didn't always restore properly
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2018-10-27 15:02:17 +02:00 |
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Thomas Friedel
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091db17ac0
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DrawImage can now take image.Image values; added error messages if the automatic image and font loading doesn't work
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2018-10-06 18:20:20 +02:00 |
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Thomas Friedel
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b73d093683
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implemented line dash offset
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2018-09-18 15:17:04 +02:00 |
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Thomas Friedel
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3d82ce6998
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completed the gl implementations
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2018-09-18 15:00:50 +02:00 |
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Thomas Friedel
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34c01f47d4
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added checks that LoadGL is called before anything else is done
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2018-09-18 14:20:08 +02:00 |
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Thomas Friedel
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56995ff396
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line dash is now only applied when calling stroke
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2018-09-01 16:42:07 +02:00 |
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Thomas Friedel
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b6c22b9374
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line dash bugfix, implemented getLineDash, added a test
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2018-07-30 14:56:19 +02:00 |
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Thomas Friedel
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afad74f7b2
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vary the gaussian shader kernel size depending on the blur radius for better performance
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2018-07-27 15:58:38 +02:00 |
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Thomas Friedel
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f2225e857a
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implemented shadowBlur (wip)
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2018-07-27 14:11:53 +02:00 |
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Thomas Friedel
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0cb030619e
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added a function to switch to an offscreen framebuffer
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2018-07-24 12:50:18 +02:00 |
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Thomas Friedel
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aabe03b003
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added support for miter limit
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2018-07-19 18:05:41 +02:00 |
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Thomas Friedel
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5da544d78b
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performance optimization, avoid use of stencil buffer when drawing with opaque styles
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2018-07-19 16:59:22 +02:00 |
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Thomas Friedel
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6b4af8f29f
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added support for shadows (not yet blurred)
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2018-06-14 15:03:25 +02:00 |
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Thomas Friedel
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1cd53a4e6b
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added a SetBounds function to replace the SetSize function
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2018-05-28 16:04:13 +02:00 |
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Thomas Friedel
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447d83e9f0
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bugfix, gradient textures were still incorrectly set as 1D textures
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2018-05-28 16:01:35 +02:00 |
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Thomas Friedel
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0efc4c6d59
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line widths now work more like the html5 canvas
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2018-05-17 16:24:46 +02:00 |
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Thomas Friedel
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50941d3075
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clear stencil buffer on activate
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2018-05-17 15:08:22 +02:00 |
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Thomas Friedel
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87fa8256eb
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added an iOS GL implementation and example
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2018-05-15 18:49:35 +02:00 |
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Thomas Friedel
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62eb6793c7
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updated doc
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2018-05-08 20:58:34 +02:00 |
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Thomas Friedel
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baa8b6aed5
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more docs
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2018-04-30 16:34:50 +02:00 |
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Thomas Friedel
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5bd0ccce2e
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updated docs
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2018-04-30 16:30:19 +02:00 |
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