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* (Relanding r7275 with assert fix, plus fixes from r7276, r7280, r7283.)Gravatar senorblanco@chromium.org2013-01-18
| | | | | | | | | | | | Implement a bicubic resampling image filter, with raster and GPU backends. In order to get this to work on the GPU side, I had to modify the width and height of the drawn texture in drawSprite() and drawDevice() to use the filtered texture's dimensions, instead of the source texture. (This wasn't a problem before since all other image filters produce results the same dimensions as their input texture.) For now, this implementation only does axis-aligned scaling (same as the Lanczos-3 implementation in Chrome). It's also done for correctness and clarity, not speed, so there are lots of opportunities for speedups. Committed: https://code.google.com/p/skia/source/detail?r=7275 Review URL: https://codereview.appspot.com/7033049 git-svn-id: http://skia.googlecode.com/svn/trunk@7287 2bbb7eff-a529-9590-31e7-b0007b416f81
* Reverting chain of SkBicubicImageFilter changes (7275, 7276, 7280 & 7283)Gravatar robertphillips@google.com2013-01-18
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@7285 2bbb7eff-a529-9590-31e7-b0007b416f81
* Implement a bicubic resampling image filter, with raster and GPU backends.Gravatar senorblanco@chromium.org2013-01-18
| | | | | | | | | In order to get this to work on the GPU side, I had to modify the width and height of the drawn texture in drawSprite() and drawDevice() to use the filtered texture's dimensions, instead of the source texture. (This wasn't a problem before since all other image filters produce results the same dimensions as their input texture.) For now, this implementation only does axis-aligned scaling (same as the Lanczos-3 implementation in Chrome). It's also done for correctness and clarity, not speed, so there are lots of opportunities for speedups. Review URL: https://codereview.appspot.com/7033049 git-svn-id: http://skia.googlecode.com/svn/trunk@7275 2bbb7eff-a529-9590-31e7-b0007b416f81
* add gm for comparing drawSprite and drawBitmapGravatar reed@google.com2013-01-16
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@7235 2bbb7eff-a529-9590-31e7-b0007b416f81
* Implementation of the displacement effect (both CPU and GPU)Gravatar sugoi@google.com2013-01-15
| | | | | | | TEST=Added new GM called "displacement" Review URL: https://codereview.appspot.com/7058075 git-svn-id: http://skia.googlecode.com/svn/trunk@7182 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add RRect GMGravatar robertphillips@google.com2012-12-17
| | | | | | | | https://codereview.appspot.com/6945063/ git-svn-id: http://skia.googlecode.com/svn/trunk@6866 2bbb7eff-a529-9590-31e7-b0007b416f81
* add gm for rrect, and rrect.inset/outsetGravatar mike@reedtribe.org2012-12-17
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@6832 2bbb7eff-a529-9590-31e7-b0007b416f81
* add gm/pathinterior.cpp in advance of cary's path apiGravatar reed@google.com2012-12-04
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@6668 2bbb7eff-a529-9590-31e7-b0007b416f81
* Create a factory to decode an SkBitmap from an SkData.Gravatar scroggo@google.com2012-11-29
| | | | | | | | | | | | | | | | Add a test and a GM for the factory, and a PNG file for it to decode. The PNG file is copyright-free, obtained from http://openclipart.org/detail/29213/paper-plane-by-ddoo In cmykjpeg, do not attempt to decode in the constructor, since it currently crashes on Mac (if you provide the correct resource path). Even when we fix this crash there is no need to do it in the constructor, since we create all of the gms in order to get their names (to determine whether to run them). Review URL: https://codereview.appspot.com/6847122 git-svn-id: http://skia.googlecode.com/svn/trunk@6618 2bbb7eff-a529-9590-31e7-b0007b416f81
* add specialty strokeRect() to SkStroke, which can return much cleaner resultsGravatar reed@google.com2012-11-20
| | | | | | Review URL: https://codereview.appspot.com/6843093 git-svn-id: http://skia.googlecode.com/svn/trunk@6510 2bbb7eff-a529-9590-31e7-b0007b416f81
* add gm for srcmode (and clearmode) in prep for optimization workGravatar reed@google.com2012-11-15
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@6429 2bbb7eff-a529-9590-31e7-b0007b416f81
* add blurrect gmGravatar reed@google.com2012-11-02
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@6284 2bbb7eff-a529-9590-31e7-b0007b416f81
* add test for bug in line drawing. fix is pending a way to handle all of theGravatar reed@google.com2012-10-30
| | | | | | | | rebaselines... git-svn-id: http://skia.googlecode.com/svn/trunk@6208 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add a GM that tests xfermode-based color filters.Gravatar bsalomon@google.com2012-10-19
| | | | | | Review URL: https://codereview.appspot.com/6736052 git-svn-id: http://skia.googlecode.com/svn/trunk@6022 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add new GM, shadertext3. It would have revealed a bug in the GPU ↵Gravatar bsalomon@google.com2012-10-12
| | | | | | | | | draw-large-text-as-path code path that was recently fixed. R=reed@google.com Review URL: https://codereview.appspot.com/6638057 git-svn-id: http://skia.googlecode.com/svn/trunk@5932 2bbb7eff-a529-9590-31e7-b0007b416f81
* When two or more color matrix image filters are connected together, and the ↵Gravatar senorblanco@chromium.org2012-10-12
| | | | | | | | non-leaf matrices do not require clamping, we can concatenate their matrices and apply them together. Review URL: https://codereview.appspot.com/6489054 git-svn-id: http://skia.googlecode.com/svn/trunk@5931 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add a new GM: shadertext2.Gravatar bsalomon@google.com2012-10-10
| | | | | | | It tests a bitmap shader with various combinations of matrices and shader matrices. The text is drawn filled and stroked. Review URL: https://codereview.appspot.com/6639052 git-svn-id: http://skia.googlecode.com/svn/trunk@5877 2bbb7eff-a529-9590-31e7-b0007b416f81
* revert 5794Gravatar reed@google.com2012-10-03
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@5795 2bbb7eff-a529-9590-31e7-b0007b416f81
* add test for rotated saveLayer, to see that we clip against the specified boundsGravatar reed@google.com2012-10-03
| | | | | | | | (hint: we don't at the moment) git-svn-id: http://skia.googlecode.com/svn/trunk@5794 2bbb7eff-a529-9590-31e7-b0007b416f81
* revert 5681Gravatar mike@reedtribe.org2012-09-26
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@5682 2bbb7eff-a529-9590-31e7-b0007b416f81
* remove SampleXfermodes.cpp (obsolete, as we have it as a GM)Gravatar mike@reedtribe.org2012-09-26
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@5681 2bbb7eff-a529-9590-31e7-b0007b416f81
* Implements a matrix convolution filter (raster path only). The filtering loopGravatar senorblanco@chromium.org2012-09-18
| | | | | | | | | | | | is templated on the tiling mode for speed: interior pixels are unconditionally fetched; border pixels apply the appropriate tiling mode before fetching. It handles target, bias, divisor (as gain), and edge modes (named to be more skia-like). It does not handle the "preserveAlpha" semantics of feConvolveMatrix, nor "kernelUnitLength". git-svn-id: http://skia.googlecode.com/svn/trunk@5592 2bbb7eff-a529-9590-31e7-b0007b416f81
* re-re-land 5578Gravatar reed@google.com2012-09-18
| | | | | | | | will follow w/ new .skp files to keep the waterfall green (I hope) git-svn-id: http://skia.googlecode.com/svn/trunk@5584 2bbb7eff-a529-9590-31e7-b0007b416f81
* revert 5580Gravatar reed@google.com2012-09-18
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@5581 2bbb7eff-a529-9590-31e7-b0007b416f81
* re-land 5578 w/ pipe fixGravatar reed@google.com2012-09-18
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@5580 2bbb7eff-a529-9590-31e7-b0007b416f81
* revert 5578 -- broke pipeGravatar reed@google.com2012-09-18
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@5579 2bbb7eff-a529-9590-31e7-b0007b416f81
* Change drawBitmapRect to take a float-src-rect instead of integer-src-rect. ThisGravatar reed@google.com2012-09-18
| | | | | | | | | | | | | | | | | | allows the client more control over the scaling. Because of virtual overrides and wanting to keep the old call-sites up and running, this CL renames the virtual entry-point to drawBitmapRectToRect, and downgrades drawBitmapRect to a non-virtual helper function. The implementation is to use the float-rect for computing the matrix, but still cons-up an integer rect for the purposes of subsetting the original bitmap. We do this by calling float_src->roundOut(&int_src) so that we include all (partially) covered src pixels. No change needed on SkDevice, since that signature is explicitly passed the computed matrix. Review URL: https://codereview.appspot.com/6501140 git-svn-id: http://skia.googlecode.com/svn/trunk@5578 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add gm to test SkRegion/clipPath bug.Gravatar rileya@google.com2012-09-14
| | | | | | Review URL: https://codereview.appspot.com/6501131 git-svn-id: http://skia.googlecode.com/svn/trunk@5540 2bbb7eff-a529-9590-31e7-b0007b416f81
* rm temp slidesGravatar reed@google.com2012-09-11
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@5488 2bbb7eff-a529-9590-31e7-b0007b416f81
* add techtalk slide for now (can remove it tomorrow)Gravatar reed@google.com2012-09-10
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@5461 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add caching of the snapshot image form a surfaceGravatar reed@google.com2012-08-28
| | | | | | | | | Notify the surface when the canvas draws into it, so it can invalidate the cached image, and (if needed) perform a copy-on-write on the surface if it was being shared with the image. Review URL: https://codereview.appspot.com/6441115 git-svn-id: http://skia.googlecode.com/svn/trunk@5306 2bbb7eff-a529-9590-31e7-b0007b416f81
* Implements the non-Porter-Duff compositing modes required for SVG's feBlendGravatar senorblanco@chromium.org2012-08-22
| | | | | | | | | | | | element. This filter has two inputs, since normal blending can't be used. The GPU side uses two filter stages to accomplish this: one to sample the background, and one to sample the foreground and blend it. Review URL: https://codereview.appspot.com/6463081/ git-svn-id: http://skia.googlecode.com/svn/trunk@5231 2bbb7eff-a529-9590-31e7-b0007b416f81
* Implements a new class, SkSingleInputImageFilter, to handle DAG connectivityGravatar senorblanco@chromium.org2012-08-20
| | | | | | | | | | | | | | | | | | | | | for filters with a single image input. This provides functionality to store, flatten and unflatten a single SkImageFilter input, as well as to recursively evaluate it on the CPU or GPU. The following classes were re-parented to implement DAG connectivity: SkBlurImageFilter, SkDilateImageFilter, SkErodeImageFilter, SkColorFilterImageFilter. The constructors for each have been appended with a new parameter, representing the input filter (default NULL). This change also implements an arbitrary SkBitmap input source for filtering, SkBitmapSource. NOTE: This CL will require gyp file changes when rolling past this revision. Review URL: https://codereview.appspot.com/6462071/ git-svn-id: http://skia.googlecode.com/svn/trunk@5170 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add a zoom filter to Skia. This will be used on ChromeOS to implement the ↵Gravatar bsalomon@google.com2012-08-13
| | | | | | | | | | | screen magnifier. Committed on behalf of zork@chromium.org Review URL: http://codereview.appspot.com/6354065/ git-svn-id: http://skia.googlecode.com/svn/trunk@5056 2bbb7eff-a529-9590-31e7-b0007b416f81
* move texteffects from Sample to gmGravatar mike@reedtribe.org2012-08-13
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@5051 2bbb7eff-a529-9590-31e7-b0007b416f81
* remove SkShape (unused)Gravatar reed@google.com2012-08-09
| | | | | | Review URL: https://codereview.appspot.com/6461069 git-svn-id: http://skia.googlecode.com/svn/trunk@5033 2bbb7eff-a529-9590-31e7-b0007b416f81
* add gm for very large bitmaps (>32K >64K)Gravatar reed@google.com2012-08-07
| | | | | | | | raster expected to fail when scaling >64K (for now) git-svn-id: http://skia.googlecode.com/svn/trunk@4967 2bbb7eff-a529-9590-31e7-b0007b416f81
* remove '../gm/image.cpp',Gravatar reed@google.com2012-07-31
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@4855 2bbb7eff-a529-9590-31e7-b0007b416f81
* fix LayerDrawLooper to record its fFlagsMaskGravatar reed@google.com2012-07-31
| | | | | | | | convert SampleDrawLooper to a GM git-svn-id: http://skia.googlecode.com/svn/trunk@4854 2bbb7eff-a529-9590-31e7-b0007b416f81
* Share code in various SkGPipeCanvas::drawBitmap_ calls.Gravatar scroggo@google.com2012-07-30
| | | | | | | | | | | | | | | | Also implement SkGPipeCanvas::drawBitmapMatrix, and create a GM to make sure it works properly. Use a flag instead of writing a bool for determining whether drawBitmap_ has a paint and whether drawBitmapRect has a source rectangle. BUG= TEST=drawbitmapmatrix GM Review URL: https://codereview.appspot.com/6450053 git-svn-id: http://skia.googlecode.com/svn/trunk@4828 2bbb7eff-a529-9590-31e7-b0007b416f81
* In SkGPipe, only serialize SkTypefaces in cross process mode.Gravatar scroggo@google.com2012-07-27
| | | | | | | | | | | | | | Also make SkGPipeController ref the recording canvas to ensure that objects used by SkGPipeCanvas (e.g. SharedHeap and fTypefaceSet, which hold references to objects to which pointers are written to the stream) survive to be played back even if SkGPipeWriter.endRecording() is called. BUG= TEST=TypefaceGM Review URL: https://codereview.appspot.com/6447055 git-svn-id: http://skia.googlecode.com/svn/trunk@4817 2bbb7eff-a529-9590-31e7-b0007b416f81
* add SkPaint::getPosTextPath(), with gm to test itGravatar reed@google.com2012-07-20
| | | | | | Review URL: https://codereview.appspot.com/6427055 git-svn-id: http://skia.googlecode.com/svn/trunk@4684 2bbb7eff-a529-9590-31e7-b0007b416f81
* don't add circles on chopped cubicsGravatar reed@google.com2012-07-13
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@4600 2bbb7eff-a529-9590-31e7-b0007b416f81
* add gm for hittesting pathsGravatar mike@reedtribe.org2012-07-03
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@4438 2bbb7eff-a529-9590-31e7-b0007b416f81
* Properly handle extracted bitmaps in cross process/shared addr space SkGPipe.Gravatar scroggo@google.com2012-07-02
| | | | | | | | | | | Use the pixel ref which we have already copied and the appropriate pixel ref offset. Turn SampleDrawBitmap into a GM to test this functionality. Review URL: https://codereview.appspot.com/6348059 git-svn-id: http://skia.googlecode.com/svn/trunk@4417 2bbb7eff-a529-9590-31e7-b0007b416f81
* Create a new GM to exercise ComposeShader.Gravatar scroggo@google.com2012-06-29
| | | | | | | | Code borrowed from samplecode/SampleShaders.cpp Review URL: https://codereview.appspot.com/6371043 git-svn-id: http://skia.googlecode.com/svn/trunk@4407 2bbb7eff-a529-9590-31e7-b0007b416f81
* Raster implementation of diffuse and specular lighting filters. Externally,Gravatar senorblanco@chromium.org2012-06-22
| | | | | | | | | | | | | the caller instantiates a light (distant, point or spot), and an SkDiffuseLightingFilter or SkSpecularLightingImageFilter with that light. A Sobel edge detection filter is applied to the alpha of the incoming bitmap, and the result is used as a height map for lighting calculations. Review URL: http://codereview.appspot.com/6302101/ git-svn-id: http://skia.googlecode.com/svn/trunk@4314 2bbb7eff-a529-9590-31e7-b0007b416f81
* add gm (no images yet) for two-point-radial gradientsGravatar reed@google.com2012-06-05
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@4163 2bbb7eff-a529-9590-31e7-b0007b416f81
* Converted AAClips SampleApp slide to GM:simpleaaclipGravatar robertphillips@google.com2012-05-22
| | | | | | | | http://codereview.appspot.com/6220043/ git-svn-id: http://skia.googlecode.com/svn/trunk@4025 2bbb7eff-a529-9590-31e7-b0007b416f81
* add gm for dashing variationsGravatar reed@google.com2012-05-04
| | | | git-svn-id: http://skia.googlecode.com/svn/trunk@3842 2bbb7eff-a529-9590-31e7-b0007b416f81
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