commit 8a64fa66e7832ddd4b603cb0cdee68e63269fa26
author Hal Canary <halcanary@google.com> Thu May 30 10:29:40 2019 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> Fri May 31 14:30:34 2019 +0000
tree 54ad6abd1ffdf0b3ebf28ae3bc1a012cb14d6b1c
parent d6f3f18d51ec612d38019ce6cb3021050c6b5a84

SkShaderBase::isAPicture()

motivation: will be used by SkPDF backend in later CL.

Bug: chromium:967418
Change-Id: I1002c290f70245cce7ae2cf759d3eaf54cb8cd81
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/216873
Commit-Queue: Hal Canary <halcanary@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Florin Malita <fmalita@chromium.org>
Auto-Submit: Hal Canary <halcanary@google.com>

src/shaders/SkLocalMatrixShader.cpp

diff --git a/src/shaders/SkLocalMatrixShader.cpp b/src/shaders/SkLocalMatrixShader.cpp
index 4f120fe..be9a6fa 100644
--- a/src/shaders/SkLocalMatrixShader.cpp
+++ b/src/shaders/SkLocalMatrixShader.cpp
@@ -62,6 +62,17 @@
     return image;
 }
 
+SkPicture* SkLocalMatrixShader::isAPicture(SkMatrix* matrix,
+                                           SkTileMode tileModes[2],
+                                           SkRect* tile) const {
+    SkMatrix proxyMatrix;
+    SkPicture* picture = as_SB(fProxyShader)->isAPicture(&proxyMatrix, tileModes, tile);
+    if (picture && matrix) {
+        *matrix = SkMatrix::Concat(proxyMatrix, this->getLocalMatrix());
+    }
+    return picture;
+}
+
 bool SkLocalMatrixShader::onAppendStages(const SkStageRec& rec) const {
     SkTCopyOnFirstWrite<SkMatrix> lm(this->getLocalMatrix());
     if (rec.fLocalM) {