Add new method for images inside zip

DesktopEditor/doctrenderer/embed/ZipEmbed.cpp

@@ -258,3 +258,56 @@ JSSmart<CJSValue> CZipEmbed::getImageType(JSSmart<CJSValue> typedArray)
 		oBuffer.Free();
 	return CJSContext::createInt(bIsImageFile ? oChecker.eFileType : 0);
 }
+
+JSSmart<CJSValue> CZipEmbed::getImageBuffer(JSSmart<CJSValue> filePath)
+{
+	if (!m_pFolder || !filePath->isString())
+		return CJSContext::createNull();
+
+	std::wstring sFilePath = filePath->toStringW();
+	IFolder::CBuffer* pBuffer;
+	if (!m_pFolder->read(sFilePath, pBuffer))
+		return CJSContext::createNull();
+
+	size_t nBufferSize = (size_t)pBuffer->Size;
+
+	CImageFileFormatChecker oChecker;
+	bool bIsImageFile = oChecker.isImageFile(pBuffer->Buffer, (DWORD)pBuffer->Size);
+
+	if (!bIsImageFile)
+	{
+		RELEASEOBJECT(pBuffer);
+		return CJSContext::createNull();
+	}
+
+	if (oChecker.eFileType != _CXIMAGE_FORMAT_WMF && oChecker.eFileType != _CXIMAGE_FORMAT_EMF)
+	{
+		BYTE* pMemory = NSJSBase::NSAllocator::Alloc(nBufferSize);
+		memcpy(pMemory, pBuffer->Buffer, nBufferSize);
+		RELEASEOBJECT(pBuffer);
+
+		JSSmart<CJSObject> retObject = CJSContext::createObject();
+		retObject->set("type", CJSContext::createInt(oChecker.eFileType));
+		retObject->set("data", NSJSBase::CJSContext::createUint8Array(pMemory, (int)nBufferSize, false));
+		return retObject->toValue();
+	}
+
+#ifndef GRAPHICS_DISABLE_METAFILE
+	MetaFile::IMetaFile* pMetaFile = MetaFile::Create(NULL);
+	pMetaFile->LoadFromBuffer(pBuffer->Buffer, (unsigned int)pBuffer->Size);
+	std::wstring wsSvg = pMetaFile->ConvertToSvg();
+	std::string sSvg = U_TO_UTF8(wsSvg);
+	pMetaFile->Release();
+	RELEASEOBJECT(pBuffer);
+
+	BYTE* pData = NSAllocator::Alloc(sSvg.length());
+	memcpy(pData, sSvg.c_str(), sSvg.length());
+
+	JSSmart<CJSObject> retObject = CJSContext::createObject();
+	retObject->set("type", CJSContext::createInt(24));
+	retObject->set("data", NSJSBase::CJSContext::createUint8Array(pData, sSvg.length(), false));
+	return retObject->toValue();
+#else
+	return CJSContext::createNull();
+#endif
+}

DesktopEditor/doctrenderer/embed/ZipEmbed.h

@@ -36,6 +36,7 @@ public:
 	JSSmart<CJSValue> encodeImageData(JSSmart<CJSValue> typedArray, JSSmart<CJSValue> w, JSSmart<CJSValue> h, JSSmart<CJSValue> stride, JSSmart<CJSValue> format, JSSmart<CJSValue> isRgba);
 	JSSmart<CJSValue> encodeImage(JSSmart<CJSValue> typedArray, JSSmart<CJSValue> format);
 	JSSmart<CJSValue> getImageType(JSSmart<CJSValue> typedArray);
+	JSSmart<CJSValue> getImageBuffer(JSSmart<CJSValue> path);
 
 	DECLARE_EMBED_METHODS
 };

DesktopEditor/doctrenderer/embed/jsc/jsc_ZipEmbed.mm

@@ -17,6 +17,7 @@
 -(JSValue*) encodeImageData : (JSValue*)typedArray : (JSValue*)w : (JSValue*)h : (JSValue*)stride : (JSValue*)format : (JSValue*)isRgba;
 -(JSValue*) encodeImage : (JSValue*)typedArray : (JSValue*)format;
 -(JSValue*) getImageType : (JSValue*)typedArray;
+-(JSValue*) getImageBuffer : (JSValue*)path;
 @end
 
 @interface CJSCZipEmbed : NSObject<IJSCZipEmbed, JSEmbedObjectProtocol>
@@ -41,6 +42,7 @@ FUNCTION_WRAPPER_JS_2(decodeImage, decodeImage)
 FUNCTION_WRAPPER_JS_6(encodeImageData, encodeImageData)
 FUNCTION_WRAPPER_JS_2(encodeImage, encodeImage)
 FUNCTION_WRAPPER_JS_1(getImageType, getImageType)
+FUNCTION_WRAPPER_JS_1(getImageBuffer, getImageBuffer)
 @end
 
 class CZipEmbedAdapter : public CJSEmbedObjectAdapterJSC

DesktopEditor/doctrenderer/embed/v8/v8_ZipEmbed.cpp

@@ -20,6 +20,7 @@ namespace NSZipEmbed
 	FUNCTION_WRAPPER_V8_6(_encodeImageData, encodeImageData)
 	FUNCTION_WRAPPER_V8_2(_encodeImage, encodeImage)
 	FUNCTION_WRAPPER_V8_1(_getImageType, getImageType)
+	FUNCTION_WRAPPER_V8_1(_getImageBuffer, getImageBuffer)
 
 	v8::Handle<v8::ObjectTemplate> CreateTemplate(v8::Isolate* isolate)
 	{
@@ -39,6 +40,7 @@ namespace NSZipEmbed
 		NSV8Objects::Template_Set(result, "encodeImageData",	_encodeImageData);
 		NSV8Objects::Template_Set(result, "encodeImage",	_encodeImage);
 		NSV8Objects::Template_Set(result, "getImageType",	_getImageType);
+		NSV8Objects::Template_Set(result, "getImageBuffer",	_getImageBuffer);
 
 		return handle_scope.Escape(result);
 	}

DesktopEditor/fontengine/js/engine/module_js.js

@@ -531,6 +531,40 @@ ZLib.prototype.getImageAsSvg = function(path)
 
 	return string;
 };
+/**
+ * Get image file raw data. this memory was copied and detach from archive.
+ * @returns {Uint8Array}
+ */
+ZLib.prototype.getImageBuffer = function(path)
+{
+	let result = {
+		type : 0,
+		data : null
+	};
+	result.type = this.getImageType(path);
+	if (result.type != 10 && 
+		result.type != 21)
+	{
+		let fileData = this.getFile(path);
+		result.data = new Uint8Array(fileData.length);
+		result.data.set(fileData);
+		return result;
+	}
+
+	result.type = 24;
+
+	let fileData = this.getFile(path);
+	let encodedData = Module["_Raster_Encode"](this.files[path].p + 4, fileData.length, 24);
+	let encodedSize = Module["_Raster_GetEncodedSize"](encodedData);
+	let encodedBuffer = Module["_Raster_GetEncodedBuffer"](encodedData);
+
+	let fileDataEnc = new Uint8Array(Module["HEAP8"].buffer, encodedBuffer, encodedSize);
+	result.data = new Uint8Array(fileDataEnc.length);
+	result.data.set(fileDataEnc);
+	
+	Module["_Raster_DestroyEncodedData"](encodedData);
+	return result;
+};
 /**
  * Get image blob for browser
  * @returns {Blob}