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Code Issues Releases Wiki Activity

cover loading in fb2 native plugin

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This commit is contained in:
Nikolay Pultsin 2012-03-27 17:46:37 +01:00
parent 79a06410ae
commit 1f63a57f17
12 changed files with 88 additions and 57 deletions
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32
jni/NativeFormats/fbreader/src/formats/fb2/FB2CoverReader.cpp
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@ -17,9 +17,7 @@
* 02110-1301, USA.
*/
#include <ZLFile.h>
#include <ZLImage.h>
//#include <ZLBase64EncodedImage.h>
#include <ZLFileImage.h>
#include "FB2CoverReader.h"
@ -30,8 +28,12 @@ FB2CoverReader::FB2CoverReader(const ZLFile &file) : myFile(file) {
shared_ptr<ZLImage> FB2CoverReader::readCover() {
myReadCoverPage = false;
myImageReference.erase();
myLookForImage = false;
myImageId.erase();
myImageStart = -1;
readDocument(myFile);
return myImage;
}
@ -45,7 +47,7 @@ void FB2CoverReader::startElementHandler(int tag, const char **attributes) {
const std::string hrefName = xlinkNamespace() + ":href";
const char *ref = attributeValue(attributes, hrefName.c_str());
if (ref != 0 && *ref == '#' && *(ref + 1) != '\0') {
myImageReference = ref + 1;
myImageId = ref + 1;
}
}
break;
@ -53,8 +55,8 @@ void FB2CoverReader::startElementHandler(int tag, const char **attributes) {
{
const char *id = attributeValue(attributes, "id");
const char *contentType = attributeValue(attributes, "content-type");
if (id != 0 && contentType != 0 && myImageReference == id) {
//myImage = new ZLBase64EncodedImage(contentType);
if (id != 0 && contentType != 0 && myImageId == id) {
myLookForImage = true;
}
}
}
@ -66,18 +68,13 @@ void FB2CoverReader::endElementHandler(int tag) {
myReadCoverPage = false;
break;
case _DESCRIPTION:
if (myImageReference.empty()) {
if (myImageId.empty()) {
interrupt();
}
break;
case _BINARY:
if (!myImage.isNull()) {
if (!myImageBuffer.empty()) {
//((ZLBase64EncodedImage&)*myImage).addData(myImageBuffer);
myImageBuffer.clear();
} else {
myImage = 0;
}
if (!myImageId.empty() && myImageStart >= 0) {
myImage = new ZLFileImage(myFile, "base64", myImageStart, getCurrentPosition() - myImageStart);
interrupt();
}
break;
@ -85,7 +82,8 @@ void FB2CoverReader::endElementHandler(int tag) {
}
void FB2CoverReader::characterDataHandler(const char *text, size_t len) {
if (len > 0 && !myImage.isNull()) {
myImageBuffer.push_back(std::string(text, len));
if (len > 0 && myLookForImage) {
myImageStart = getCurrentPosition();
myLookForImage = false;
}
}