Scanline decoding for wbmp
We are also changing the wbmp to use SkSwizzler. This
will allow us to take advantage of the sampling routines
that are being implemented in SkSwizzler.
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BUG=skia:
Review URL: https://codereview.chromium.org/1254483004
diff --git a/src/codec/SkCodecPriv.h b/src/codec/SkCodecPriv.h
index 90b1632..0c45fdd 100644
--- a/src/codec/SkCodecPriv.h
+++ b/src/codec/SkCodecPriv.h
@@ -31,6 +31,13 @@
SkSwizzler::GetResult(zeroAlpha, maxAlpha);
/*
+ * If there is a color table, get a pointer to the colors, otherwise return NULL
+ */
+static const SkPMColor* get_color_ptr(SkColorTable* colorTable) {
+ return NULL != colorTable ? colorTable->readColors() : NULL;
+}
+
+/*
*
* Copy the codec color table back to the client when kIndex8 color type is requested
*
