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       Bug: 5122491
       Remove font cache purge log message

Change-Id: Ib5a23433b8cb1402c96b8d510ed875be7400c80c

bug: 5009656
Change-Id: Ic91bdb84e42b4d07f88bd6df1a2bedc2031404df

This change has also been submitted upstream to Skia in r1954.

bug: 5060654
Change-Id: Iac9ce0d9150c59e4db6653081d7f46843ea8f2bf

Implement virtual methods 'onBuildTileIndex' & 'onDecodeRegion' for
supporting image cropping for Skia-WebP image Decoder.
Utilize the native rescaling+Cropping capability of WebP-Decoder to
implement image cropping.
- Incorporated code comments from Pascal.
- Found one bug w.r.t setting SampleSize. Rectifying that in this patch.

Change-Id: Ib7b04129a65ed17f845d0600f3553b9b24846838

Implement on-the-fly image resizing (down-scaling) for WebP images.
The image decoder is aware of the device memory constriant via
SampleSize set by the application like Webkit/WebCore.
sampleSize=1 implies no down-scaling. Likewise, SampleSize=2 implies
resizing image width & height by a factor of '1/2', resulting in '1/4'th
size for the decoded image.
SampleSize is merely a hint from the application to the decoder. Decoder
may choose to ignore this hint and decode the image at full scale.
Native WebP image decoder (new APIs) supports on-the-fly resizing.
Making the Skia-WebP decoder 'SampleSize' aware and implementing the
on-the-fly resizing in this change.

Change-Id: Ibbd62baf4a6ad2d3904aafb22807f4513641e64c

This change adds new files in /system/etc: system_fonts.xml and
fallback_fonts.xml. The change also allows a third file to be added
by vendors in /vendor/etc/fallback_fonts.xml. These files, loaded at
boot time, mimic the logic that used to be in code, but which is
now configurable through editing these files, making the system more
flexible and easy to work with for us and vendors as future fonts
are added to the system.

Change-Id: Iac0af4924ca0454c6dde4d53058b1425200ed4b7

Remove the custom code for decoding WebP image. Use the native
color-modes RGBA, RGBA_4444 & RGB_565 for Skia-WebP-Decoder class.
- Removed other dead code as well.

Change-Id: I414778b71aaea754d92ed6b07ebd7b6336e1f102

bug: 4390209
Change-Id: I74774b43b3f0c903fb96911e156d9911cf55bb68

The change being reverted somehow alters the reference counting of
SkTypeface instances, resulting in prematurely freed font data, which
is the underlying issue with the disappearing clock on the lockscreen
(http://b/5004404).

This reverts commit 792a256a.

Bug: 5004404
Change-Id: I5c3b225f860ce2dcfc0751bded2d842b43a2d3c4

An invalid face is not expected here, but still should not be allowed
to crash.

Bug: 5002710
Change-Id: Ifd11e918f968d5eef67932e514ea6754819fb7a5

This updated line was to have been included in CL 118811, but some
bad gerrit-fu caused it to go amiss.

Bug: 4390209
Change-Id: Ia7b8e2849cfae3cdfbebc09a91fe26f2355f1ebb

Updated the Android-Skia-WebP decoder with following changes:
- Added support for incremental WebP decoding. So instead of allocating
  input buffer corresponding to the whole image (could be few MBs), the
  input is read iteratively in a buffer size of 64KB.
- Refactored onDecode method (O(200) lines) to a smaller (O(30) lines)
  method with 2-3 helper functions.
- Removed low (byte-level) parsing from this code and calling WebP
  public APIs for the same (like WebPGetInfo).
- Incorporated Pascal's feedback.
- Few more feedback from Pascal.
Change-Id: I104822ec3922eca1efc19422908f07770c4c140b

Regular and Bold styles are now included in the fallback list.

Bug: 4902641
Change-Id: Ia88dedb136ab00dee3ae4e4cc5552e0d3a743f13

Fallback fonts are now recorded with their styles in the list of
available fonts (which is now a doubly-linked list). NextLogicalFont()
has a new parameter, providing the originally requested fontID, from
which we can determine the requested style, which we then pass to
find_best_face() to pick from the available styles.

SkFontHost::NextLogicalFont() no longer assumes that origFontID is
valid (see http://b/issue?id=4980240).

Bug: 4390209
Change-Id: I2e600f7eb75d207e95bae8cc9ed8379ade396058

This reverts commit da49dc51.

Bug: 4980240
Change-Id: Ib0470d458db12821a89ce019d395152d06296305

Fallback fonts are now recorded with their styles in the list of
available fonts (which is now a doubly-linked list). NextLogicalFont()
has a new parameter, providing the originally requested fontID, from
which we can determine the requested style, which we then pass to
find_best_face() to pick from the available styles.

Bug: 4390209
Change-Id: I0c45fd7cefd00df3805bd75df77c519f6d922fe7

* commit '0896ce1e':
  Restore legacy behaviors for better compatibility

Test for alpha==255 is apparently cloned from
S32A_Opaque_BlitRow32_arm, but does not apply to Blend variant.

Change-Id: I5d6154399265cb6f8291595a9bc62b2741301590

Change-Id: I536026aab833367350b595b41911e9888cff2e3a

Change-Id: Iba2f457ca4e8ea90078d1028e1ea829b3d889285

Change-Id: Ifdf889d2ed36cc88bdc105cbb629fe2f68111ccd

Change-Id: Ief005abc9eb741ccf5efec3d1f29fe2dfc23103d

Extending Skia-WebP interface to handle the WebP encoding as well.
The WebP encoding is required for sharing WebP images and transcoding
images from other formats like PNG/JPEG to WEBP.

Change-Id: I23d52323abf5e7eec0c6d3e0159a1ca7baee468b

Change-Id: Ifcdb6d43f6ee23e6d91d01dc4fe25140f2d3d870

Change-Id: Iea0c23cf20fb25e7148be1def0623fe40b7c6f23

Change-Id: Ie9f88806b1083f0b4ef99731bd4f1e42fff467fe

This makes it easier for now to deal with situations
where derived classes don't have an implementation.

Change-Id: Iaf4b3495441cb5881ad98633e55da1c5acdd9768

issue: 3291572
Change-Id: I86258b82a9105e5db459c436d8bcfa1841609ed7