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Support toDataURL without 1x representation

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This commit is contained in:
Kevin Sawicki 2017-03-06 13:24:50 -08:00
parent 8eaf48e552
commit 0bbbeb307e
3 changed files with 14 additions and 6 deletions
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18
atom/common/api/atom_api_native_image.cc
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@ -21,6 +21,7 @@
#include "net/base/data_url.h"
#include "third_party/skia/include/core/SkPixelRef.h"
#include "ui/base/layout.h"
#include "ui/base/webui/web_ui_util.h"
#include "ui/gfx/codec/jpeg_codec.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/gfx/geometry/size.h"
@ -257,12 +258,12 @@ v8::Local<v8::Value> NativeImage::ToJPEG(v8::Isolate* isolate, int quality) {
}
std::string NativeImage::ToDataURL() {
scoped_refptr<base::RefCountedMemory> png = image_.As1xPNGBytes();
std::string data_url;
data_url.insert(data_url.end(), png->front(), png->front() + png->size());
base::Base64Encode(data_url, &data_url);
data_url.insert(0, "data:image/png;base64,");
return data_url;
if (HasRepresentation(1.0)) {
scoped_refptr<base::RefCountedMemory> png = image_.As1xPNGBytes();
return webui::GetPngDataUrl(png->front(), png->size());
} else {
return webui::GetBitmapDataUrl(image_.AsBitmap());
}
}
v8::Local<v8::Value> NativeImage::GetBitmap(v8::Isolate* isolate) {
@ -297,6 +298,10 @@ bool NativeImage::IsEmpty() {
return image_.IsEmpty();
}
bool NativeImage::HasRepresentation(float scale_factor) {
return image_.AsImageSkia().HasRepresentation(scale_factor);
}
gfx::Size NativeImage::GetSize() {
return image_.Size();
}
@ -468,6 +473,7 @@ void NativeImage::BuildPrototype(
.SetMethod("resize", &NativeImage::Resize)
.SetMethod("crop", &NativeImage::Crop)
.SetMethod("getAspectRatio", &NativeImage::GetAspectRatio)
.SetMethod("hasRepresentation", &NativeImage::HasRepresentation)
// TODO(kevinsawicki): Remove in 2.0, deprecate before then with warnings
.SetMethod("toPng", &NativeImage::ToPNG)
.SetMethod("toJpeg", &NativeImage::ToJPEG);

1
atom/common/api/atom_api_native_image.h
View file

@ -83,6 +83,7 @@ class NativeImage : public mate::Wrappable<NativeImage> {
const gfx::Rect& rect);
std::string ToDataURL();
bool IsEmpty();
bool HasRepresentation(float scale_factor);
gfx::Size GetSize();
float GetAspectRatio();

1
spec/api-native-image-spec.js
View file

@ -9,6 +9,7 @@ describe('nativeImage module', () => {
it('returns an empty image', () => {
const empty = nativeImage.createEmpty()
assert.equal(empty.isEmpty(), true)
assert.equal(empty.hasRepresentation(1.0), false)
assert.equal(empty.getAspectRatio(), 1)
assert.equal(empty.toDataURL(), 'data:image/png;base64,')
assert.deepEqual(empty.getSize(), {width: 0, height: 0})