From efdac514a9846e4ef32e1160fe7f2dae471cef39 Mon Sep 17 00:00:00 2001
From: reed <reed@google.com>
Date: Tue, 6 Jan 2015 09:54:13 -0800
Subject: Revert "Remove SkPDFDocument and SkPDFDevice from the public
 headers."

This reverts commit 8b1f761365df6652ea9304b6572d2dd91917b9aa.

BUG=skia:
TBR=
NOTRY=True
NOTREECHECKS=True

Review URL: https://codereview.chromium.org/839603002
---
 gm/gmmain.cpp | 65 ++++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 51 insertions(+), 14 deletions(-)

(limited to 'gm')

diff --git a/gm/gmmain.cpp b/gm/gmmain.cpp
index b8c8891471..ece8ff32d4 100644
--- a/gm/gmmain.cpp
+++ b/gm/gmmain.cpp
@@ -74,6 +74,13 @@ typedef int GrGLStandard;
 
 #define DEBUGFAIL_SEE_STDERR SkDEBUGFAIL("see stderr for message")
 
+DECLARE_bool(useDocumentInsteadOfDevice);
+
+#ifdef SK_SUPPORT_PDF
+    #include "SkPDFDevice.h"
+    #include "SkPDFDocument.h"
+#endif
+
 // Until we resolve http://code.google.com/p/skia/issues/detail?id=455 ,
 // stop writing out XPS-format image baselines in gm.
 #undef SK_SUPPORT_XPS
@@ -668,24 +675,53 @@ public:
 
     static bool generate_pdf(GM* gm, SkDynamicMemoryWStream& pdf) {
 #ifdef SK_SUPPORT_PDF
-        SkAutoTUnref<SkDocument> pdfDoc(
-                SkDocument::CreatePDF(&pdf, NULL, encode_to_dct_data,
-                                      SkIntToScalar(FLAGS_pdfRasterDpi)));
-        if (!pdfDoc) {
-            return false;
-        }
-
-        SkCanvas* canvas = NULL;
-        canvas = pdfDoc->beginPage(gm->width(), gm->height());
-        canvas->concat(gm->getInitialTransform());
+        SkMatrix initialTransform = gm->getInitialTransform();
+        if (FLAGS_useDocumentInsteadOfDevice) {
+            SkISize pageISize = gm->getISize();
+            SkAutoTUnref<SkDocument> pdfDoc(
+                    SkDocument::CreatePDF(&pdf, NULL,
+                                          encode_to_dct_data,
+                                          SkIntToScalar(FLAGS_pdfRasterDpi)));
+
+            if (!pdfDoc.get()) {
+                return false;
+            }
 
-        invokeGM(gm, canvas, true, false);
+            SkCanvas* canvas = NULL;
+            canvas = pdfDoc->beginPage(SkIntToScalar(pageISize.width()),
+                                       SkIntToScalar(pageISize.height()));
+            canvas->concat(initialTransform);
 
-        return pdfDoc->close();
+            invokeGM(gm, canvas, true, false);
 
-#else   // SK_SUPPORT_PDF
-        return true;  // Do not report failure if pdf is not supported.
+            return pdfDoc->close();
+        } else {
+            SkISize pageSize = gm->getISize();
+            SkPDFDevice* dev = NULL;
+            if (initialTransform.isIdentity()) {
+                dev = new SkPDFDevice(pageSize, pageSize, initialTransform);
+            } else {
+                SkRect content = SkRect::MakeWH(SkIntToScalar(pageSize.width()),
+                                                SkIntToScalar(pageSize.height()));
+                initialTransform.mapRect(&content);
+                content.intersect(0, 0, SkIntToScalar(pageSize.width()),
+                                  SkIntToScalar(pageSize.height()));
+                SkISize contentSize =
+                    SkISize::Make(SkScalarRoundToInt(content.width()),
+                                  SkScalarRoundToInt(content.height()));
+                dev = new SkPDFDevice(pageSize, contentSize, initialTransform);
+            }
+            dev->setDCTEncoder(encode_to_dct_data);
+            dev->setRasterDpi(SkIntToScalar(FLAGS_pdfRasterDpi));
+            SkAutoUnref aur(dev);
+            SkCanvas c(dev);
+            invokeGM(gm, &c, true, false);
+            SkPDFDocument doc;
+            doc.appendPage(dev);
+            doc.emitPDF(&pdf);
+        }
 #endif  // SK_SUPPORT_PDF
+        return true; // Do not report failure if pdf is not supported.
     }
 
     static void generate_xps(GM* gm, SkDynamicMemoryWStream& xps) {
@@ -1542,6 +1578,7 @@ DEFINE_int32(pdfJpegQuality, -1, "Encodes images in JPEG at quality level N, "
 // Probably define spacial names like centerx, centery, top, bottom, left, right
 // then we can write something reabable like --rotate centerx centery 90
 DEFINE_bool(forcePerspectiveMatrix, false, "Force a perspective matrix.");
+DEFINE_bool(useDocumentInsteadOfDevice, false, "Use SkDocument::CreateFoo instead of SkFooDevice.");
 DEFINE_int32(pdfRasterDpi, 72, "Scale at which at which the non suported "
              "features in PDF are rasterized. Must be be in range 0-10000. "
              "Default is 72. N = 0 will disable rasterizing features like "
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