SkMultiPictureDocument & SkMultiPictureDocumentReader

also, a new DM::Src.

motivation: To be used to test the printing pipeline in Chromium.

BUG=skia:5370

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2023593002

Review-Url: https://codereview.chromium.org/2023593002

1 files changed, 24 insertions, 0 deletions

diff --git a/dm/DMSrcSink.h b/dm/DMSrcSink.h
index 42f0e6da36..395f59e1a9 100644
--- a/dm/DMSrcSink.h
+++ b/dm/DMSrcSink.h
@@ -15,6 +15,7 @@
 #include "SkBitmapRegionDecoder.h"
 #include "SkCanvas.h"
 #include "SkData.h"
+#include "SkMultiPictureDocumentReader.h"
 #include "SkPicture.h"
 #include "gm.h"
 
@@ -66,6 +67,11 @@ struct Src {
     virtual void modifyGrContextOptions(GrContextOptions* options) const {}
     virtual bool veto(SinkFlags) const { return false; }
 
+    virtual int pageCount() const { return 1; }
+    virtual Error SK_WARN_UNUSED_RESULT draw(int, SkCanvas* canvas) const {
+        return this->draw(canvas);
+    }
+    virtual SkISize size(int) const { return this->size(); }
     // Force Tasks using this Src to run on the main thread?
     virtual bool serial() const { return false; }
 };
@@ -243,6 +249,24 @@ private:
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
+class MSKPSrc : public Src {
+public:
+    explicit MSKPSrc(Path path);
+
+    int pageCount() const override;
+    Error draw(SkCanvas* c) const override;
+    Error draw(int, SkCanvas*) const override;
+    SkISize size() const override;
+    SkISize size(int) const override;
+    Name name() const override;
+
+private:
+    Path fPath;
+    SkMultiPictureDocumentReader fReader;
+};
+
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+
 class NullSink : public Sink {
 public:
     NullSink() {}