filter what text features we try to use. The filtering allows for implementation
limitations to dictate when we turn off certain text features.
git-svn-id: http://skia.googlecode.com/svn/trunk@943 2bbb7eff-a529-9590-31e7-b0007b416f81
- Shaders, or as they are referred to in PDF, patterns, are drawn in the coordinate system of the initial page, so when we canonicalize them, we have to consider the current transform and where they are constructed.
- Image shaders are tiled by default, this makes repeat and mirror modes easy, but means we have to draw a pattern as large as the current clip to support clamp mode.
- Gradient shaders are implemented with type 4 functions, which are basically small snippets of post script code. I've tried to make the code generation modular and heavily commented to make it easy to understand or expand.
Review URL: http://codereview.appspot.com/4239061
git-svn-id: http://skia.googlecode.com/svn/trunk@905 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add a config flag to ignore the restrictions
* Apply restriction to both SkPDFScalar and scalars used in content streams.
* +/- 32,767 for the integer part.
* +/1 1/65536 for the fraction part.
Review URL: http://codereview.appspot.com/4240050
git-svn-id: http://skia.googlecode.com/svn/trunk@882 2bbb7eff-a529-9590-31e7-b0007b416f81
scalar->string uses %.8g. Floats have at most 8 significant digits, plus we add
more space for sign, decimal point and exponent.
add tests to check these limits.
git-svn-id: http://skia.googlecode.com/svn/trunk@872 2bbb7eff-a529-9590-31e7-b0007b416f81
Add templated version of SkAutoTUnref.
Add unittests for it.
Remove unused helper apis on SkAutoUnref.
git-svn-id: http://skia.googlecode.com/svn/trunk@858 2bbb7eff-a529-9590-31e7-b0007b416f81
- optional parameters added to descriptorProc and allocPixels
- clip options to image decoders
- check for xfermode in blitter_a8
- UNROLL loops in blitrow
reviewed by reed@google.com
git-svn-id: http://skia.googlecode.com/svn/trunk@841 2bbb7eff-a529-9590-31e7-b0007b416f81
for another iter that runs back-to-front (B2FIter).
add unittest for Deque
git-svn-id: http://skia.googlecode.com/svn/trunk@821 2bbb7eff-a529-9590-31e7-b0007b416f81
Fixed rendering of shadows under bitmaps.
Added an option to SkBlurMask to produce higher quality blurs.
The HQ blur option is propagated through SkBlurDrawLooper so that it can be invoked by WebKit for drawing shadows.
Added a shadow rendering test to gm.
Bugs fixed: 146, 150
Related Chromium bugs: 11153, 42654
Code review: http://codereview.appspot.com/4174049
git-svn-id: http://skia.googlecode.com/svn/trunk@818 2bbb7eff-a529-9590-31e7-b0007b416f81
- Change SkGraphicState to track and set the blend mode (xfermode) for modes built in to PDF (non porter duff modes + src over).
- Add SkXfermode::asMode() to retrieve xfermode as an enum for non porter duff modes.
- Move SkXfermode.cpp around a bit to support asMode() -- Generally move utility functions toward the top of the file.
- Make SkPDFFormXObject an isolated transparency group, as it used for saveLayer, which draws on transparent, not the device background.
- Set the graphic state in drawDevice and drawBitmap in order to get the right xfermode and alpha.
Review URL: http://codereview.appspot.com/4131043
git-svn-id: http://skia.googlecode.com/svn/trunk@774 2bbb7eff-a529-9590-31e7-b0007b416f81
This prevents two copies of the content stream from sticking around. It also fixes an invalid memory reference because SkCanvas::internalRestore deletes the device (maybe it should just unref) after drawing it onto the main device.
Review URL: http://codereview.appspot.com/4080056
git-svn-id: http://skia.googlecode.com/svn/trunk@773 2bbb7eff-a529-9590-31e7-b0007b416f81
SkSafeRef() and SkSafeUnref().
This is basically a bug waiting to happen. An optimizing compiler can remove
checks for null on "this" if it chooses. However, SkRefCnt::safeRef() relies on
precisely this check...
void SkRefCnt::safeRef() {
if (this) {
this->ref();
}
}
Since a compiler might skip the if-clause, it breaks the intention of this
method, hence its removal.
static inline void SkSafeRef(SkRefCnt* obj) {
if (obj) {
obj->ref();
}
}
This form is not ignored by an optimizing compile, so we use it instead.
git-svn-id: http://skia.googlecode.com/svn/trunk@762 2bbb7eff-a529-9590-31e7-b0007b416f81
Renamed to SkAdvancedTypefaceMetrics.
Include Em size and return all metrics in unscaled font units.
Make retrieval of advances optional.
Reorder SkAdvancedTypefaceMetrics to be somewhat logical.
Change the types of fields in SkAdvancedTypefaceMetrics to their minimum required size.
Review URL: http://codereview.appspot.com/4121049
git-svn-id: http://skia.googlecode.com/svn/trunk@752 2bbb7eff-a529-9590-31e7-b0007b416f81
Sorry this is such a large CL. It was very exploratory for me to make this
work.
- Add an interface to SkFontHost to retrieve font information and provide NULL implementations on all platforms except Linux.
- Segment large Type 1 fonts into fonts with shared resources with 255 glyphs each.
- Convert the various Type 1 formats to the form PDF wants.
- Update font as we draw text instead of as part of the graphical state.
- Remove built-in font support, we can't really use it.
Other changes I can pull out to a separate CL if you like.
- Add SkTScopedPtr class.
- Fix double free of resources.
- Fix bug in resource unique-ifying code.
- Don't print anything for any empty clip path.
- Fix copy paste error - MiterLimit.
- Fix sign extension bug in SkPDFString
- Fix FlateTest rename that was missed on a previous commit.
Review URL: http://codereview.appspot.com/4082042
git-svn-id: http://skia.googlecode.com/svn/trunk@728 2bbb7eff-a529-9590-31e7-b0007b416f81
use that factory in gpucanvas, rather than overriding createDevice
note: I think we now don't need the canvas parameter in device-factory
git-svn-id: http://skia.googlecode.com/svn/trunk@684 2bbb7eff-a529-9590-31e7-b0007b416f81
add it to Makefile if SKIA_PDF_SUPPORT is true
Use compile_assert (yea!)
git-svn-id: http://skia.googlecode.com/svn/trunk@643 2bbb7eff-a529-9590-31e7-b0007b416f81
The regression was due to the fact that we were calling PlatformColorProc() for
every span (which in turns makes CPUID, a fairly expensive call). Since we draw
a lot of rects, and rects have 1-pixel wide spans for the vertical segments,
that's a lot of CPUID.
Fixed by cacheing the result of PlatformColorProc(), as is done for the other
platform-specific blitters.
Review URL: http://codereview.appspot.com/3669042/
git-svn-id: http://skia.googlecode.com/svn/trunk@636 2bbb7eff-a529-9590-31e7-b0007b416f81
[Patch from weiwei.li@intel.com]
SSE2 optimization has been added by Stephen White before, this improves the skia
performance on SSE2-supporting platform. (please refer to below issues)
Issue 171055: More SSE2ification
Issue 157141: More SSE2ification
Issue 150060: minor tweaks to SSE2 code for -fPIC
Issue 144072: SSE2 optimizations for 32bit blending blitters
This CL implements SSE2 optimizations for the 32bit Color operation. Like above
issues, it uses CPUID to detect for SSE2 and changes the platform procs at
runtime as well. The 32bit Color operation is heavily used on Chrome HTML5
canvas operations. Take Microsoft IE test drives Pulsating Bubbles as example
(http://ie.microsoft.com/testdrive/Performance/PulsatingBubbles/Default.xhtml),
if running this cases on Chrome, the overhead of 32bit Color operation is about
40~50%. So this CL will make skia performance more better, and also make Chrome
HTML5 canvas performance more better.
Additional, this CL has passed the skia bench & tests validation, the result is
pretty good. We also apply this CL to the latest chromium, and re-run Microsoft
IE test drives Pulsating Bubbles, the performance is improved by almost 9~10%.
git-svn-id: http://skia.googlecode.com/svn/trunk@633 2bbb7eff-a529-9590-31e7-b0007b416f81
This patch adds four methods to SkBitmap. There are two functions to return
"safe size", defined as the number of pixels from the value returned by
getPixels() to the end of the allocated buffer.
There is one version of fillPixels() to copy the bitmap instance into an
external buffer (with specified size, and using specified stride), and another
fillPixels() to copy from an external buffer to the instance bitmap. In the
latter case the specified height, width and pixel format must match that used by
the bitmap instance, although the specified stride may be any value at least as
large as the minimum stride for the specified geometry. It is assumed that the
external buffer is of size at least (height - 1)*stride + width *
bytesPerPixel.
Both fillPixels() functions return false if the copy is not possible with the
specified parameters.
Review URL: http://codereview.appspot.com/2837041/
git-svn-id: http://skia.googlecode.com/svn/trunk@625 2bbb7eff-a529-9590-31e7-b0007b416f81
Supports fakeBold, underline, strikethrough, mode (fill, stroke, both), size, skew, alignment (left, center, right).
Missing is drawFontOnPath and font lookup and embedding.
Changed SkPDFString to support how it is used from drawText methods.
Moved compile assert into SkTypes.
Moved constants and utility function used to support fakeBold, underline, and strikethrough into higher level locations.
Review URL: http://codereview.appspot.com/2946041
git-svn-id: http://skia.googlecode.com/svn/trunk@624 2bbb7eff-a529-9590-31e7-b0007b416f81
The '#include "SkGLDevice.h"' from include/core/SkDevice.h requires internal
Skia code to be added to the include search paths when using the deprecated API.
This change adds back SkGLCanvas.cpp to avoid exposing SkGLDevice.h to the
public API.
The change also includes an explicit virtual destructor on SkDeviceFactory to
silence a -Wnon-virtual-dtor warning and allow for -Werror.
Original Issue: http://codereview.appspot.com/3009041/
Review URL: http://codereview.appspot.com/2994042
git-svn-id: http://skia.googlecode.com/svn/trunk@623 2bbb7eff-a529-9590-31e7-b0007b416f81
Reorganize how the PDF graphic state stack is managed (fixing several bugs incidentally).
Style: fix variables with underscores.
Bug: fix image matrix application order, which enabled a small refactor.
Review URL: http://codereview.appspot.com/2771042
git-svn-id: http://skia.googlecode.com/svn/trunk@622 2bbb7eff-a529-9590-31e7-b0007b416f81
