deprecate draw text on path in docs

Remove documentation, see also references, and examples
that rely on SkCanvas::drawTextOnPath(HV).

Move example that uses SkDrawTextOnPath into illustrations.
TBR=reed@google.com

Docs-Preview: https://skia.org/?cl=150020
Bug: skia:6898
Change-Id: I1d92f258b75a8a10a6aa89ebf9380871ba7ecac5
Reviewed-on: https://skia-review.googlesource.com/150020
Commit-Queue: Cary Clark <caryclark@skia.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
diff --git a/docs/SkPath_Reference.bmh b/docs/SkPath_Reference.bmh
index b41fe22..23736fb 100644
--- a/docs/SkPath_Reference.bmh
+++ b/docs/SkPath_Reference.bmh
@@ -3023,15 +3023,11 @@
 conicTo can represent any Arc with a sweep less than 180 degrees at any rotation. All arcTo
 constructions are converted to Conic data when added to Path.
 
-#ToDo  allow example to hide source and not be exposed as fiddle since markdown / html can't
-       do the kind of table shown in the illustration.
-       example is spaced correctly on fiddle but spacing is too wide on pc
+#ToDo  example is spaced correctly on fiddle but spacing is too wide on pc
 ##
 
-#Example
-#Height 300
-#Width 600
-#Description
+#Illustration
+
 #List
 # <sup>1</sup> arcTo(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, bool forceMoveTo) ##
 # <sup>2</sup> parameter sets force MoveTo  ##
@@ -3040,105 +3036,9 @@
 # <sup>5</sup> arcTo(SkScalar rx, SkScalar ry, SkScalar xAxisRotate, ArcSize largeArc,
                Direction sweep, SkScalar x, SkScalar y) ##
 #List ##
-#Description ##
-#Function
-###$
-struct data {
-   const char* name;
-   char super;
-   int yn[10];
-};
-
-const data dataSet[] = {
-{ "arcTo sweep",    '1', {1,  3, 1, 0, 0, 0, 0, 1, 0, 0 }},
-{ "drawArc",         0,  {1, -1, 1, 1, 1, 1, 1, 0, 0, 0 }},
-{ "addArc",          0,  {1,  1, 1, 4, 0, 1, 1, 1, 0, 0 }},
-{ "arcTo tangents", '4', {0,  0, 0, 0, 0, 0, 0, 1, 1, 0 }},
-{ "arcTo radii",    '5', {1,  0, 1, 0, 0, 0, 0, 1, 1, 0 }},
-{ "conicTo",         0,  {1,  1, 0, 0, 0, 0, 0, 1, 1, 1 }}
-};
-
-#define __degree_symbol__ "\xC2" "\xB0"
-
-const char* headers[] = {
-    "Oval part",
-    "force moveTo",
-    "can draw 180" __degree_symbol__,
-    "can draw 360" __degree_symbol__,
-    "can draw greater than 360" __degree_symbol__,
-    "ignored if radius is zero",
-    "ignored if sweep is zero",
-    "requires Path",
-    "describes rotation",
-    "describes perspective",
-};
-
-const char* yna[] = {
-     "n/a",
-     "no",
-     "yes"
-};
-$$$#
-##
-void draw(SkCanvas* canvas) {
-    SkPaint lp;
-    lp.setAntiAlias(true);
-    SkPaint tp(lp);
-    SkPaint sp(tp);
-    SkPaint bp(tp);
-    bp.setFakeBoldText(true);
-    sp.setTextSize(10);
-    lp.setColor(SK_ColorGRAY);
-    canvas->translate(0, 32);
-    const int tl = 115;
-    for (unsigned col = 0; col <= SK_ARRAY_COUNT(headers); ++col) {
-       canvas->drawLine(tl + col * 35, 100, tl + col * 35, 250, lp);
-       if (0 == col) {
-          continue;
-       }
-       canvas->drawLine(tl + col * 35, 100, tl + 100 + col * 35, 0, lp);
-       SkPath path;
-       path.moveTo(tl - 3 + col * 35, 103);
-       path.lineTo(tl + 124 + col * 35, -24);
-       canvas->drawTextOnPathHV(headers[col -1], strlen(headers[col -1]), path, 0, -9, bp);
-    }
-    for (unsigned row = 0; row <= SK_ARRAY_COUNT(dataSet); ++row) {
-        if (0 == row) {
-            canvas->drawLine(tl, 100, tl + 350, 100, lp);
-        } else {
-            canvas->drawLine(5, 100 + row * 25, tl + 350, 100 + row * 25, lp);
-        }
-        if (row == SK_ARRAY_COUNT(dataSet)) {
-            break;
-        }
-        canvas->drawString(dataSet[row].name, 5, 117 + row * 25, bp);
-        if (dataSet[row].super) {
-            SkScalar width = bp.measureText(dataSet[row].name, strlen(dataSet[row].name));
-            canvas->drawText(&dataSet[row].super, 1, 8 + width, 112 + row * 25, sp);
-        }
-        for (unsigned col = 0; col < SK_ARRAY_COUNT(headers); ++col) {
-            int val = dataSet[row].yn[col];
-            canvas->drawString(yna[SkTMin(2, val + 1)], tl + 5 + col * 35, 117 + row * 25, tp);
-            if (val > 1) {
-                char supe = '0' + val - 1;
-                canvas->drawText(&supe, 1, tl + 25 + col * 35, 112 + row * 25, sp);
-            }
-        }
-    }
-}
-#Example ##
 
 #Example
 #Height 128
-#Description
-#ToDo make this a list or table ##
-1 describes an arc from an oval, a starting angle, and a sweep angle.
-2 is similar to 1, but does not require building a path to draw.
-3 is similar to 1, but always begins new Contour.
-4 describes an arc from a pair of tangent lines and a radius.
-5 describes an arc from Oval center, arc start Point and arc end Point.
-6 describes an arc from a pair of tangent lines and a Conic_Weight.
-##
 void draw(SkCanvas* canvas) {
     SkRect oval = {8, 8, 56, 56};
     SkPaint ovalPaint;
@@ -3180,6 +3080,15 @@
 }
 #Example ##
 
+In the example above:
+#List
+# 1 describes an arc from an oval, a starting angle, and a sweep angle. ##
+# 2 is similar to 1, but does not require building a path to draw. ##
+# 3 is similar to 1, but always begins new Contour. ##
+# 4 describes an arc from a pair of tangent lines and a radius. ##
+# 5 describes an arc from Oval center, arc start Point and arc end Point. ##
+# 6 describes an arc from a pair of tangent lines and a Conic_Weight. ##
+#List ##
 
 #Method SkPath& arcTo(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, bool forceMoveTo)
 #In Build
@@ -4500,6 +4409,11 @@
 #Return reference to Path ##
 
 #Example
+###$
+$Function
+#include "SkTextOnPath.h"
+$$
+
 void draw(SkCanvas* canvas) {
     SkPaint paint;
     paint.setAntiAlias(true);
@@ -4511,9 +4425,12 @@
     for (int start = 0; start < 8; ++start) {
         SkPath textPath;
         textPath.addRRect(rrect, SkPath::kCW_Direction, start);
-        canvas->drawTextOnPathHV(&"01234567"[start], 1, textPath, 0, -5, paint);
+        SkMatrix matrix;
+        matrix.setTranslate(0, -5);
+        SkDrawTextOnPath(&"01234567"[start], 1, paint, textPath, &matrix, canvas);
     }
 }
+$$$#
 ##
 
 #SeeAlso addRoundRect SkCanvas::drawRRect