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190 Commits

Author SHA1 Message Date
Yury Delendik
a67198895f Resets canvas 2d context to the default state. 2017-05-23 15:10:30 -05:00
chris.greening
cfc2f36f5c Adds additional parameter so background color of canvas can be set 2017-05-17 17:06:44 +01:00
Jonas Jenwald
95bbc8101c Replace unnecessary bind(this) and var self = this statements with arrow functions in src/core/evaluator.js 
Note that by using `let` instead of `var` in `PartialEvaluator.setGState` and `TranslatedFont.loadType3Data`, we can get rid of further `bind` usages since `let` is block-scoped.
Also, the fact that `bind` wasn't used in the `Font` case inside of `setGState` is actually a bug which has been present ever since PR 5205, where a closure was replaced by a standard loop.[1]

---
[1] I'm not aware of any bugs caused by this, but that is probably more a happy accident than anything else, since e.g. just removing the `bind` from the `SMask` case without using block-scoped variables causes test failures.
 2017-05-01 20:29:44 +02:00
Jonas Jenwald
07b5574006 Enable the object-shorthand ESLint rule in src/display 
Please see http://eslint.org/docs/rules/object-shorthand.

For the most part, these changes are of the search-and-replace kind, and the previously enabled `no-undef` rule should complement the tests in helping ensure that no stupid errors crept into to the patch.
 2017-04-25 16:17:18 +02:00
Jonas Jenwald
52e3de3c0a Convert the files in the /src/display folder to ES6 modules 
Also disables ES2015 transpilation in development mode.
 2017-04-16 12:19:10 +02:00
Yury Delendik
30bee9fe0c Moves Uint32ArrayView and hasCanvasTypedArrays into compatibility.js. 2017-04-14 10:04:52 -05:00
Brendan Dahl
4969b2ad97 Normalize blend mode names. 2017-04-10 16:18:08 -07:00
Mukul Mishra
41d092d04b Fixes behaviour of DOMCanvasFactory to return {canvas, context}. 2017-02-07 03:47:13 +05:30
Yury Delendik
d842c9c6b0 Merge pull request #8002 from mukulmishra18/refactor-canvas 
[api-minor] Fix #7798: Refactor scratch canvas usage.
 2017-02-06 07:45:41 -06:00
Mukul Mishra
32817633c9 Fix #7798: Refactor scratch canvas usage. 
Fixes extra canvas create calls.
Fixes unnecessary call of `new DOMCanvasFactory`.
Fixes undefined error of DOMCanvasFactory.
Fixes failures in some of the tests.
Fixes expected behaviour.
Remove unused vars.
 2017-02-05 20:19:47 +05:30
Tim van der Meij
95732279b6 Remove usage of mozFillRule 
The non-standard `mozFillRule` has been removed in Firefox 51 [1, 2].
Instead, a parameter of the standard methods should be used. Note that
this is supported in all major browsers for a long time now, so there
should be no need keeping this Firefox-specific code around.

[1] https://developer.mozilla.org/en-US/Firefox/Releases/51
[2] https://bugzilla.mozilla.org/show_bug.cgi?id=826619
 2017-01-29 23:24:44 +01:00
Jonas Jenwald
4626fc8342 Enable the spaced-comment ESLint rule 
Please see http://eslint.org/docs/rules/spaced-comment.

Note that the exceptions added for `line` comments are intended to still allow use of the old preprocessor without linting errors.
Also, I took the opportunity to improve the grammar slightly (w.r.t. capitalization and punctuation) for comments touched in the patch.
 2017-01-19 16:41:59 +01:00
Jonas Jenwald
c850968fa7 Remove globals that are now unnecessary thanks to the use of various ESLint environments (e.g. Node, ShellJS, Jasmine) 2016-12-16 21:09:55 +01:00
Jonas Jenwald
66d2637b3f Fix errors reported by the yoda ESLint rule 
http://eslint.org/docs/rules/yoda
 2016-12-12 20:35:52 +01:00
Jonas Jenwald
3820946301 Fix (most) errors reported by the no-multi-spaces ESLint rule 
http://eslint.org/docs/rules/no-multi-spaces
 2016-12-12 20:35:51 +01:00
Jonas Jenwald
d3043167de Correctly detect more cases of non-embedded Arial Black fonts (issue 7835) 
This patch adds support for non-embedded Arial Black fonts, that use a `Arial-Black...` format for the font names.
Also, this patch changes `canvas.js` such that we always render Arial Black fonts with the maximum weight, which actually improves a number of existing test-cases. This should thus explain the test "failures", which are clear improvements compared with e.g. Adobe Reader.

Fixes 7835.
 2016-11-22 13:56:21 +01:00
Tim van der Meij
5194e68134 Lint: correct code style violations 
Manual observations and working with other linting tools found these.
 2016-11-01 15:04:21 +01:00
Jonas Jenwald
8eaa2cbce3 Remove the deprecated mozDash/mozDashOffset canvas 2D context methods 
According to [MDN](https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility) the standard versions of these methods have been supported since Firefox 27, which was released over two and a half years ago. (See the dates in https://wiki.mozilla.org/RapidRelease/Calendar#Past_branch_dates)

Furthermore the non-standard properties are now in the process of being removed, please see https://groups.google.com/forum/#!topic/mozilla.dev.platform/UIudMABegcY.
Hence I don't think that we need to keep the old `moz` prefixed ones as fallback any more.
 2016-09-15 10:05:40 +02:00
Jonas Jenwald
5379749d4b Try to prevent CanvasGraphics_getSinglePixelWidth from intermittently returning incorrect values in Firefox (issue 7188) 
Fixes 7188.
 2016-08-22 20:00:24 +02:00
klemens
6f03f62327 trivial spelling fixes 2016-07-17 14:33:41 +02:00
Yury Delendik
63f62a0e53 Finishing SMask at the end of operators list. 2016-04-11 08:02:06 -05:00
Yury Delendik
1485c1d1da Suspending/resuming SMask operation during setGState/restore. 2016-04-11 08:02:06 -05:00
Yury Delendik
1d12aed5ca Move all PDFJS.xxx settings into display/global. 2016-04-07 13:46:07 -05:00
Yury Delendik
bda5e6235e Removes global PDFJS usage from the src/core/. 2016-03-23 19:24:37 -05:00
Yury Delendik
c6d2b7f9d9 Merge pull request #6906 from KamiHQ/fix-printing 
avoid apply transform twice for composite context
 2016-03-11 08:26:59 -06:00
Brendan Dahl
ff87f3fb86 Only draw glyphs on canvas if they are in the font or the font file is missing. 2016-03-01 13:24:58 -08:00
Xiliang Chen
069f4b9bdf avoid apply transform twice for composite context 2016-01-21 14:25:39 +13:00
Jonas Jenwald
1d1f175826 Apply Patterns, if necessary, when rendering text 
Currently we're not applying Patterns for text, but only for graphics.

This patch is unfortunately not a complete solution, but rather a step on the way, since there are still some PDF files where the Patterns look more like a solid colour, rather than the intended gradient.
I've been unable to fix these issues completely, and I've not managed to determine if the remaining issues are caused either by the pattern code, the canvas code, or perhaps both.

However, given that even this simple patch improves the current situation quite a bit, I figured that it couldn't hurt to submit it as-is.

 - Fixes 5804.
 - Fixes 6130.
 - Improves 3988 a lot, since the text is now visible. However, it looks like the text is *one* solid colour, instead of the correct gradient.
 - Improves 5432, since the text is no longer gray. (This file also suffers from the same problem as the previous one.)
 2015-12-29 20:02:40 +01:00
Jonas Jenwald
2f2ea6160b Ensure that the baseTransform is applied when rendering annotations 
Fixes 3350.
Fixes 5946.
Fixes 6334.
Fixes 6722.
Probably fixes 3826 (since the PDF files are no longer available, I cannot confirm it).
 2015-12-28 16:02:38 +01:00
Tim van der Meij
df81b832bb Remove unused variables 2015-12-16 23:52:16 +01:00
Yury Delendik
6b60c8f4db Adds UMD headers to core, display and shared files. 2015-12-15 13:24:39 -06:00
Tim van der Meij
f93a220736 Merge pull request #6684 from dsprenkels/issue-6296-radial-shading-size 
shading-pattern: While drawing patterns, use transform to baseTransform first
 2015-12-14 20:39:08 +01:00
Brendan Dahl
91b27aae46 Merge pull request #6651 from yurydelendik/fix-chars-scaling 
Fix chars scaling for standard fonts. (redo of #4908)
 2015-12-10 14:18:48 -05:00
Yury Delendik
15c9969abe Adds transfer function support for SMask. 2015-12-04 12:52:45 -06:00
Yury Delendik
d4843ebf6d Fixes canvas state after smask group ends. 2015-12-03 14:34:12 -06:00
Daan Sprenkels
a9081653fc shading-pattern: While drawing patterns, transform to the baseTransform first 2015-12-02 21:49:38 +01:00
Yury Delendik
c9cb6a3025 Replaces UnsupportedManager with callback. 2015-11-30 14:42:47 -06:00
Yury Delendik
194994a289 Merge pull request #6551 from yurydelendik/subaa 
[api-minor] Enables subpixel anti-aliasing for most of the content.
 2015-11-17 19:45:32 -06:00
Yury Delendik
8200f099a3 Fix chars scaling for standard fonts. 2015-11-17 13:21:27 -06:00
Yury Delendik
1d8800370a Allow subpixel anti-aliasing for most of the content. 2015-11-16 10:50:02 -06:00
Manas
a2ba1b8189 Uses editorconfig to maintain consistent coding styles 
Removes the following as they unnecessary
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
 2015-11-14 07:32:18 +05:30
Yury Delendik
fa46b73c47 Better spacing in text layer. 2015-11-02 08:54:15 -06:00
Jonas Jenwald
487ba9065a Fail gracefully, and with a notification, if paintXObject is encountered in canvas.js 
We should never actually try to execute `paintXObject` in canvas.js, but in some cases where we fail to parse the PDF file correctly it can happen. Currently this will potentially cause an entire page to fail to render, which seems suboptimal.
With this patch, we will instead continue rendering with a warning that things might not work correctly.
 2015-10-21 21:30:59 +02:00
Tim van der Meij
dd9d0b8770 Merge pull request #5480 from CodingFabian/issue-5458 
Remove TryCatch in canvas for EvenOdd winding rule.
 2015-10-04 15:31:34 +02:00
Jonas Jenwald
9eab463b6d Ensure that the baseTransform is always defined for TilingPatterns 
Fixes http://www2.emersonprocess.com/siteadmincenter/PM%20Micro%20Motion%20Documents/High-Pressure-Measurement-WP-001287.pdf#page=3.
 2015-09-27 22:49:34 +02:00
Fabian Lange
2564827503 Fix text spacing with vertical fonts (#6387) 
According to the PDF spec 5.3.2, a positive value means in horizontal,
that the next glyph is further to the left (so narrower), and in
vertical that it is further down (so wider).
This change fixes the way PDF.js has interpreted the value.
 2015-09-15 09:28:45 +02:00
Fabian Lange
063ca95f5f Remove TryCatch in canvas fill 
As verified by @Rob--W, the evenodd fill rule works correctly in all supported browsers. This now allows optimization by JS engines.

This fixes #5458
 2015-09-05 11:10:51 +02:00
Jonas Jenwald
cfd5a64df5 Ensure that the clipping path is reset when the state is restored (issue 6413) 
According to the specification, see `NOTE 2` in http://www.adobe.com/content/dam/Adobe/en/devnet/acrobat/pdfs/PDF32000_2008.pdf#G7.3882161, it appears that we should ensure that the clipping path is reset when the restore (`Q`) operator is encountered.

Fixes 6413.
 2015-09-03 17:35:32 +02:00
Jonas Jenwald
75624c8d82 Clear the |getSinglePixelWidth| cache when rendering Type3 fonts (issue 6117) 
Fixes 6117.
 2015-06-17 14:30:32 +02:00
Jonas Jenwald
a64536901a Increase the font weight used for non-embedded ArialBlack fonts 
Currently non-embedded ArialBlack fonts are not rendered bold enough, compared to e.g. Adobe Reader.
The issue is that we set the font weight to `bolder`, but since that is actually relative to the font weight of the parent, the result is that there's no practical difference from just using `bold`.

This patch attempts to address that, by explicitly setting the font weight to the maximum value instead (see https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight).

*Note:* I expect one test "failure" in `issue5801`, which in this case is an improvement, since that PDF file uses ArialBlack.
 2015-06-06 21:29:41 +02:00
Rob Wu
6eb9e6a6a4 Fix flaw in mozCurrentTransform polyfill 
Set transformation matrix in (polyfilled) mozPrintCallback when a scale
is applied. Removed _scaleX and _scaleY in favor of _transformMatrix to
emphasize that the caller MUST ensure that the state of the matrix is
correct before `addContextCurrentTransform` is called.
 2015-03-11 20:55:26 +01:00
Collin Anderson
54e984c763 cleaned whitespace 2015-02-17 11:07:37 -05:00
Jonas Jenwald
fc1e2483b4 Enforce minimum line widths 2014-12-20 18:05:55 +01:00
Yury Delendik
a018e933ea Merge pull request #5446 from CodingFabian/minorImprovementsInCanvasjs 
minor improvements and code cleanup for canvas.js
 2014-12-18 15:05:52 -06:00
Fabian Lange
5405b1c8e4 minor improvements and code cleanup for canvas.js 2014-12-18 21:59:40 +01:00
Yury Delendik
35474628e3 Merge pull request #5449 from CodingFabian/preferParamsOverArguments 
Use 3 param method for converting r,g,b into css string.
 2014-12-08 15:23:12 -06:00
Fabian Lange
ceffeab1de Use 3 param method for converting r,g,b into css string. 
This avoids creation of temporary arrays to pass them into the util
method. Also using "arguments" is more expensive then passing in 3
parameters.
 2014-12-05 19:25:02 +01:00
Yury Delendik
a3df129e32 Merge pull request #5524 from fkaelberer/increaseSMaskChunkSizeTo1M 
Increases chunk size in SMask composition to 1M pixels
 2014-12-05 08:42:06 -08:00
fkaelberer
7d698a46a9 increase chunk size in SMask composition to 1M pixels 2014-12-03 10:25:53 +01:00
Fabian Lange
b049119d14 removed rounding of values in composeSMaskLuminosity 
maskData comes out of maskCtx.getImageData, so is 0..255 clamped, and
the used multiplications will not create fractions needing rounding,
neither would addition.
 2014-12-02 22:25:54 +01:00
Yury Delendik
1bf72f3fe8 Merge pull request #5409 from thejdeep/master 
Black text not visible #5291
 2014-10-25 09:21:08 -05:00
thejdeep
39a29cfe03 Fixed text not visible 2014-10-25 07:18:31 +05:30
Jonas Jenwald
4ac4d49158 Avoid rendering invisible Type3 fonts (issue 5421) 2014-10-18 22:29:21 +02:00
Yury Delendik
be998261cc Fixes Type3 negative font direction 2014-08-18 17:57:52 -05:00
Jonas Jenwald
c1f1f2f0e1 Add strict equalities in src/display/canvas.js 2014-08-01 12:39:56 +02:00
Yury Delendik
7026543663 Merge pull request #5059 from timvandermeij/unused-code 
Removing unused code and enforcing additional JSHint options
 2014-07-29 15:04:43 -05:00
Jonas Jenwald
2485f11829 Fix loading of PDF files with invalid or missing Type3 characters (issue 5039) 2014-07-24 15:03:22 +02:00
Tim van der Meij
34728ee49b Removing unused code 2014-07-18 22:34:50 +02:00
pramodhkp
8407d28c9e Combine re element into constructPath 2014-06-25 00:27:42 +05:30
Nicholas Nethercote
7ef7f95374 Zero the height and width of the Cached canvases before deleting. 
This reduces peak RSS by about 300 MiB on my Mac when scrolling slowly through
the first 30 pages of a scanned black and white document.
 2014-06-16 22:58:11 -07:00
Yury Delendik
1ac8ca66f7 Fixes optional backdrop regression 2014-06-10 15:47:25 -05:00
p01
e0bf7e2151 Optimized genericComposeSMask 
Declaring the composition and backgdrop functions outside of genericComposeSMask
is more efficient.
 2014-06-10 12:37:39 +02:00
p01
412febe4a4 canvas.js minor optimizations 2014-06-10 12:37:39 +02:00
p01
35e418c603 Optimized CanvasGraphics_executeOperatorList 66% faster 2014-06-10 12:37:38 +02:00
Jonas Jenwald
7e6cdc74af Merge pull request #4832 from yurydelendik/showtext 
Refactors showText: split type3, remove showSpacedText
 2014-05-29 12:58:09 +02:00
Yury Delendik
542c9c4c7a Moves ColorSpace logic into evaluator 2014-05-23 14:11:47 -05:00
Yury Delendik
d53dc2e7d6 Refactors showText: split type3, remove showSpacedText 2014-05-23 13:36:54 -05:00
Jonas Jenwald
fe27a76004 Merge pull request #4815 from yurydelendik/loadFont 
Refactors loadFont for translateFont be async
 2014-05-20 21:30:42 +02:00
p01
455c6b2d35 Removed several 'in' operators in canvas.js 
This gives up to 6x speed improvement on these methods
 2014-05-20 12:39:59 +02:00
p01
cf5ff3d327 Fewer lookups in CanvasGraphics_constructPath 2014-05-20 12:39:58 +02:00
Yury Delendik
e5a0d89da9 Refactors loadFont for translateFont be async; fixes type3 dup data 2014-05-19 16:27:54 -05:00
Jonas Jenwald
b907e15a90 Build paths for glyph accents when drawing text as curves 2014-05-14 00:04:44 +02:00
Yury Delendik
fd4fc89213 Merge pull request #4763 from yurydelendik/canvas-rAF 
Uses rAF to interrupt the operator list execution
 2014-05-09 07:25:52 -05:00
Yury Delendik
c5eb058b09 Uses rAF to interrupt the operator list execution 2014-05-09 07:00:47 -05:00
Yury Delendik
a26d28a393 Merge pull request #4683 from yurydelendik/grouppath 
Groups path commands into single operation
 2014-05-08 22:16:58 -05:00
p01
83cd530f45 Cleaner putBinaryImageData 2014-05-05 14:22:44 +02:00
Yury Delendik
63d5aae3f6 Groups path commands into single command 2014-04-30 09:09:04 -05:00
Rob Wu
2e97c0d085 Remove some unused variables from src/ 
Only obviously useless, local variables have been removed.
 2014-04-15 17:10:23 +02:00
Yury Delendik
a00f854848 Refactors buildImage to use Promise; don't draw bad images 2014-04-14 15:22:35 -05:00
Tim van der Meij
4e055169ed Fixes lint warning W004 in src/display/{api, canvas, pattern_helper}.js 2014-04-11 00:41:17 +02:00
Brendan Dahl
5bd8a83c9b Build the text layer geometry on the worker. 2014-04-09 16:44:07 -07:00
Yury Delendik
f57c6935d7 Implements WebGL support 2014-04-03 08:36:22 -05:00
Yury Delendik
944219ad8a Balance smask process chunking 2014-04-03 08:34:21 -05:00
Yury Delendik
5262e6f84f Set max size for the group 2014-04-03 08:34:20 -05:00
Yury Delendik
dc0e60d103 Merge pull request #4535 from Snuffleupagus/issue-4484 
Avoid drawing text when the font size is zero (issue 4484)
 2014-04-02 07:23:43 -05:00
Jonas Jenwald
08eb9a960a Avoid drawing text when the font size is zero (issue 4484) 2014-03-30 13:36:21 +02:00
Jonas Jenwald
7e7b728b5d Assign non-zero width/height to all rectangles (issue 4260) 2014-03-26 22:29:04 +01:00
p01
4e6ebf2de0 Optimized putBinaryImageData for GRAYSCALE_1BPP 
The following changes make putBinaryImageData 2.2x faster.

* Use a Uint32Array to draw whole pixels instead component by component

* Unroll the inner most loop

* Added lazy PDFJS.hasCanvasTypedArrays, PDFJS.isLittleEndian and compatibility
Uint32ArrayView for browsers using the old CanvasPixelArray
 2014-03-26 14:05:59 +01:00
Christian Krebs
fc9edfcf76 Introduce paintSolidColorImageMask command to handle 1x1 solid image masks 
See https://github.com/mozilla/pdf.js/issues/4436 for details
 2014-03-19 13:27:59 +01:00
Jonas Jenwald
bc986a3029 Fix coding style in src/display/canvas.js 2014-03-14 13:11:11 +01:00