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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-04-15 06:51:24 +0200
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-04-15 06:51:24 +0200
commitf8b9aba8214b9c1f6ccd5852879d6a1cbb16a304 (patch)
tree0546fc32641026f256ee00a88bc069c2d5ca795b /dom
parent8a95c03dcd2a7f2c6d64b6ee917f6cb363e9ca60 (diff)
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moebius#106: SVG - CanvasImageSource - allow using an SVGImageElement as a CanvasImageSource
Diffstat (limited to 'dom')
-rw-r--r--dom/canvas/CanvasRenderingContext2D.cpp24
-rw-r--r--dom/canvas/CanvasRenderingContext2D.h4
-rw-r--r--dom/webidl/CanvasRenderingContext2D.webidl3
3 files changed, 23 insertions, 8 deletions
diff --git a/dom/canvas/CanvasRenderingContext2D.cpp b/dom/canvas/CanvasRenderingContext2D.cpp
index 15df2b337..a38c38293 100644
--- a/dom/canvas/CanvasRenderingContext2D.cpp
+++ b/dom/canvas/CanvasRenderingContext2D.cpp
@@ -105,6 +105,7 @@
#include "mozilla/dom/CanvasPath.h"
#include "mozilla/dom/HTMLImageElement.h"
#include "mozilla/dom/HTMLVideoElement.h"
+#include "mozilla/dom/SVGImageElement.h"
#include "mozilla/dom/SVGMatrix.h"
#include "mozilla/dom/TextMetrics.h"
#include "mozilla/dom/SVGMatrix.h"
@@ -2477,10 +2478,10 @@ CanvasRenderingContext2D::CreatePattern(const CanvasImageSource& aSource,
return nullptr;
}
- Element* htmlElement;
+ Element* element;
if (aSource.IsHTMLCanvasElement()) {
HTMLCanvasElement* canvas = &aSource.GetAsHTMLCanvasElement();
- htmlElement = canvas;
+ element = canvas;
nsIntSize size = canvas->GetSize();
if (size.width == 0 || size.height == 0) {
@@ -2505,7 +2506,7 @@ CanvasRenderingContext2D::CreatePattern(const CanvasImageSource& aSource,
}
RefPtr<CanvasPattern> pat =
- new CanvasPattern(this, srcSurf, repeatMode, htmlElement->NodePrincipal(), canvas->IsWriteOnly(), false);
+ new CanvasPattern(this, srcSurf, repeatMode, element->NodePrincipal(), canvas->IsWriteOnly(), false);
return pat.forget();
}
@@ -2516,11 +2517,19 @@ CanvasRenderingContext2D::CreatePattern(const CanvasImageSource& aSource,
return nullptr;
}
- htmlElement = img;
+ element = img;
+ } else if (aSource.IsSVGImageElement()) {
+ SVGImageElement* img = &aSource.GetAsSVGImageElement();
+ if (img->IntrinsicState().HasState(NS_EVENT_STATE_BROKEN)) {
+ aError.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
+ return nullptr;
+ }
+
+ element = img;
} else if (aSource.IsHTMLVideoElement()) {
auto& video = aSource.GetAsHTMLVideoElement();
video.MarkAsContentSource(mozilla::dom::HTMLVideoElement::CallerAPI::CREATE_PATTERN);
- htmlElement = &video;
+ element = &video;
} else {
// Special case for ImageBitmap
ImageBitmap& imgBitmap = aSource.GetAsImageBitmap();
@@ -2559,7 +2568,7 @@ CanvasRenderingContext2D::CreatePattern(const CanvasImageSource& aSource,
// The canvas spec says that createPattern should use the first frame
// of animated images
nsLayoutUtils::SurfaceFromElementResult res =
- nsLayoutUtils::SurfaceFromElement(htmlElement,
+ nsLayoutUtils::SurfaceFromElement(element,
nsLayoutUtils::SFE_WANT_FIRST_FRAME, mTarget);
if (!res.GetSourceSurface()) {
@@ -4949,6 +4958,9 @@ CanvasRenderingContext2D::DrawImage(const CanvasImageSource& aImage,
if (aImage.IsHTMLImageElement()) {
HTMLImageElement* img = &aImage.GetAsHTMLImageElement();
element = img;
+ } else if (aImage.IsSVGImageElement()) {
+ SVGImageElement* img = &aImage.GetAsSVGImageElement();
+ element = img;
} else {
HTMLVideoElement* video = &aImage.GetAsHTMLVideoElement();
video->MarkAsContentSource(mozilla::dom::HTMLVideoElement::CallerAPI::DRAW_IMAGE);
diff --git a/dom/canvas/CanvasRenderingContext2D.h b/dom/canvas/CanvasRenderingContext2D.h
index c3ee3bdcb..d5dff8f3b 100644
--- a/dom/canvas/CanvasRenderingContext2D.h
+++ b/dom/canvas/CanvasRenderingContext2D.h
@@ -38,8 +38,8 @@ class SourceSurface;
} // namespace gl
namespace dom {
-class HTMLImageElementOrHTMLCanvasElementOrHTMLVideoElementOrImageBitmap;
-typedef HTMLImageElementOrHTMLCanvasElementOrHTMLVideoElementOrImageBitmap CanvasImageSource;
+class HTMLImageElementOrSVGImageElementOrHTMLCanvasElementOrHTMLVideoElementOrImageBitmap;
+typedef HTMLImageElementOrSVGImageElementOrHTMLCanvasElementOrHTMLVideoElementOrImageBitmap CanvasImageSource;
class ImageData;
class StringOrCanvasGradientOrCanvasPattern;
class OwningStringOrCanvasGradientOrCanvasPattern;
diff --git a/dom/webidl/CanvasRenderingContext2D.webidl b/dom/webidl/CanvasRenderingContext2D.webidl
index 38a30f9e3..1c5564215 100644
--- a/dom/webidl/CanvasRenderingContext2D.webidl
+++ b/dom/webidl/CanvasRenderingContext2D.webidl
@@ -27,6 +27,9 @@ dictionary HitRegionOptions {
};
typedef (HTMLImageElement or
+ SVGImageElement) HTMLOrSVGImageElement;
+
+typedef (HTMLOrSVGImageElement or
HTMLCanvasElement or
HTMLVideoElement or
ImageBitmap) CanvasImageSource;