[gow] (2) Make the spec more consistent about Infinity and NaN values…

… throwing NOT_SUPPORTED_ERR. git-svn-id: http://svn.whatwg.org/webapps@1760 340c8d12-0b0e-0410-8428-c7bf67bfef74
whatwg · Jun 13, 2008 · 090dbc1 · 090dbc1
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Showing 2 changed files with 28 additions and 23 deletions.
diff --git a/index b/index
@@ -18850,7 +18850,7 @@ idea from Mihai:
    gradient. If any of the arguments to <code
    title=dom-context-2d-createLinearGradient><a
    href="#createlineargradient">createLinearGradient()</a></code> are
-   infinite or NaN, the method must raise an <code>INDEX_SIZE_ERR</code>
+   infinite or NaN, the method must raise a <code>NOT_SUPPORTED_ERR</code>
    exception. Otherwise, the method must return a linear <code><a
    href="#canvasgradient">CanvasGradient</a></code> initialized with the
    specified line.
@@ -18879,10 +18879,11 @@ idea from Mihai:
    <var title="">y0</var>) and radius <var title="">r0</var>, and the last
    three representing the end circle with origin (<var title="">x1</var>,
    <var title="">y1</var>) and radius <var title="">r1</var>. The values are
-   in coordinate space units. If either of <var title="">r0</var> or <var
-   title="">r1</var> are negative, or if any of the arguments are infinite or
-   NaN, an <code>INDEX_SIZE_ERR</code> exception must be raised. Otherwise,
-   the method must return a radial <code><a
+   in coordinate space units. If any of the arguments are infinite or NaN, a
+   <code>NOT_SUPPORTED_ERR</code> exception must be raised. If either of <var
+   title="">r0</var> or <var title="">r1</var> are negative, an
+   <code>INDEX_SIZE_ERR</code> exception must be raised. Otherwise, the
+   method must return a radial <code><a
    href="#canvasgradient">CanvasGradient</a></code> initialized with the two
    specified circles, after transforming them according to the <a
    href="#transformations0" title=dom-context-2d-transformation>current
@@ -20214,7 +20215,8 @@ XXXDVT (also check for '- -' bits in the part above) -->
   <p>If any of the arguments to <code title=dom-context-2d-createImageData><a
    href="#createimagedata">createImageData()</a></code> or <code
    title=dom-context-2d-getImageData><a
-   href="#getimagedata">getImageData()</a></code> are infinite or NaN, or if
+   href="#getimagedata">getImageData()</a></code> are infinite or NaN, the
+   method must instead raise a <code>NOT_SUPPORTED_ERR</code> exception. If
    either the <var title="">sw</var> or <var title="">sh</var> arguments are
    zero, the method must instead raise an <code>INDEX_SIZE_ERR</code>
    exception.
@@ -20278,15 +20280,15 @@ XXXDVT (also check for '- -' bits in the part above) -->
    method writes data from <code><a href="#imagedata">ImageData</a></code>
    structures back to the canvas.
 
+  <p>If any of the arguments to the method are infinite or NaN, the method
+   must raise an <code>NOT_SUPPORTED_ERR</code> exception.
+
   <p>If the first argument to the method is null or not an <code><a
    href="#imagedata">ImageData</a></code> object then the <code
    title=dom-context-2d-putImageData><a
    href="#putimagedata">putImageData()</a></code> method must raise a
    <code>TYPE_MISMATCH_ERR</code> exception.
 
-  <p>If any of the arguments to the method are infinite or NaN, the method
-   must raise an <code>INDEX_SIZE_ERR</code> exception.
-
   <p>When the last four arguments are omitted, they must be assumed to have
    the values 0, 0, the <code title=dom-imagedata-width><a
    href="#width3">width</a></code> member of the <var

diff --git a/source b/source
@@ -16445,8 +16445,8 @@ idea from Mihai:
   <var title="">y0</var>) and end point (<var title="">x1</var>, <var
   title="">y1</var>) of the gradient. If any of the arguments to <code
   title="dom-context-2d-createLinearGradient">createLinearGradient()</code>
-  are infinite or NaN, the method must raise an
-  <code>INDEX_SIZE_ERR</code> exception. Otherwise, the method must
+  are infinite or NaN, the method must raise a
+  <code>NOT_SUPPORTED_ERR</code> exception. Otherwise, the method must
   return a linear <code>CanvasGradient</code> initialized with the
   specified line.</p>
 
@@ -16475,12 +16475,13 @@ idea from Mihai:
   title="">r0</var>, and the last three representing the end circle
   with origin (<var title="">x1</var>, <var title="">y1</var>) and
   radius <var title="">r1</var>. The values are in coordinate space
-  units. If either of <var title="">r0</var> or <var title="">r1</var>
-  are negative, or if any of the arguments are infinite or NaN, an
-  <code>INDEX_SIZE_ERR</code> exception must be raised. Otherwise, the
-  method must return a radial <code>CanvasGradient</code> initialized
-  with the two specified circles, after transforming them according to
-  the <span title="dom-context-2d-transformation">current
+  units. If any of the arguments are infinite or NaN, a
+  <code>NOT_SUPPORTED_ERR</code> exception must be raised. If either
+  of <var title="">r0</var> or <var title="">r1</var> are negative, an
+  <code>INDEX_SIZE_ERR</code> exception must be raised.  Otherwise,
+  the method must return a radial <code>CanvasGradient</code>
+  initialized with the two specified circles, after transforming them
+  according to the <span title="dom-context-2d-transformation">current
   transformation matrix</span>.</p>
 
   <p>Radial gradients must be rendered by following these steps:</p>
@@ -17860,9 +17861,11 @@ XXXDVT (also check for '- -' bits in the part above) -->
   <p>If any of the arguments to <code
   title="dom-context-2d-createImageData">createImageData()</code> or
   <code title="dom-context-2d-getImageData">getImageData()</code> are
-  infinite or NaN, or if either the <var title="">sw</var> or <var
-  title="">sh</var> arguments are zero, the method must instead raise
-  an <code>INDEX_SIZE_ERR</code> exception.</p>
+  infinite or NaN, the method must instead raise a
+  <code>NOT_SUPPORTED_ERR</code> exception. If either the <var
+  title="">sw</var> or <var title="">sh</var> arguments are zero, the
+  method must instead raise an <code>INDEX_SIZE_ERR</code>
+  exception.</p>
 
   <p><code>ImageData</code> objects must be initialized so that their
   <dfn title="dom-imagedata-width"><code>width</code></dfn> attribute
@@ -17924,14 +17927,14 @@ XXXDVT (also check for '- -' bits in the part above) -->
   title="">dirtyHeight</var>)</code></dfn> method writes data from
   <code>ImageData</code> structures back to the canvas.</p>
 
+  <p>If any of the arguments to the method are infinite or NaN, the
+  method must raise an <code>NOT_SUPPORTED_ERR</code> exception.</p>
+
   <p>If the first argument to the method is null or not an
   <code>ImageData</code> object then the <code
   title="dom-context-2d-putImageData">putImageData()</code> method
   must raise a <code>TYPE_MISMATCH_ERR</code> exception.</p>
 
-  <p>If any of the arguments to the method are infinite or NaN, the
-  method must raise an <code>INDEX_SIZE_ERR</code> exception.</p>
-
   <p>When the last four arguments are omitted, they must be assumed to
   have the values 0, 0, the <code
   title="dom-imagedata-width">width</code> member of the <var