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Add nativeImage.createFromNamedImage API

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This commit is contained in:
Samuel Attard 2017-10-10 03:13:40 +11:00
parent c85b159d46
commit e027ba9c47
3 changed files with 31 additions and 0 deletions
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9
atom/common/api/atom_api_native_image.cc
View file

@ -541,6 +541,14 @@ mate::Handle<NativeImage> NativeImage::CreateFromDataURL(
return CreateEmpty(isolate);
}
#if !defined(OS_MACOSX)
mate::Handle<NativeImage> NativeImage::CreateFromNamedImage(
mate::Arguments* args, const std::string& name) {
args->ThrowError("Cannot create NativeImage from a name on non-darwin platforms");
return CreateEmpty(args->isolate());
}
#endif
// static
void NativeImage::BuildPrototype(
v8::Isolate* isolate, v8::Local<v8::FunctionTemplate> prototype) {
@ -609,6 +617,7 @@ void Initialize(v8::Local<v8::Object> exports, v8::Local<v8::Value> unused,
dict.SetMethod("createFromBuffer", &atom::api::NativeImage::CreateFromBuffer);
dict.SetMethod("createFromDataURL",
&atom::api::NativeImage::CreateFromDataURL);
dict.SetMethod("createFromNamedImage", &atom::api::NativeImage::CreateFromNamedImage);
}
} // namespace

2
atom/common/api/atom_api_native_image.h
View file

@ -53,6 +53,8 @@ class NativeImage : public mate::Wrappable<NativeImage> {
mate::Arguments* args, v8::Local<v8::Value> buffer);
static mate::Handle<NativeImage> CreateFromDataURL(
v8::Isolate* isolate, const GURL& url);
static mate::Handle<NativeImage> CreateFromNamedImage(
mate::Arguments* args, const std::string& name);
static void BuildPrototype(v8::Isolate* isolate,
v8::Local<v8::FunctionTemplate> prototype);

20
atom/common/api/atom_api_native_image_mac.mm
View file

@ -6,10 +6,30 @@
#import <Cocoa/Cocoa.h>
#include "base/strings/sys_string_conversions.h"
namespace atom {
namespace api {
mate::Handle<NativeImage> NativeImage::CreateFromNamedImage(
mate::Arguments* args, const std::string& name) {
@autoreleasepool {
NSImage* image = [NSImage imageNamed:base::SysUTF8ToNSString(name)];
if (!image.valid) {
args->ThrowError("Cannot create image from name: " + name);
return CreateEmpty(args->isolate());
}
CGImageRef ref = [image CGImageForProposedRect:nil context:nil hints:nil];
NSBitmapImageRep* rep = [[NSBitmapImageRep alloc] initWithCGImage:ref];
[rep setSize:[image size]];
NSData* pngData = [rep representationUsingType:NSPNGFileType properties:[[NSDictionary alloc] init]];
return CreateFromPNG(args->isolate(), (char *) [pngData bytes], [pngData length]);
}
}
void NativeImage::SetTemplateImage(bool setAsTemplate) {
[image_.AsNSImage() setTemplate:setAsTemplate];
}