mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-11 19:11:00 -05:00
880 lines
No EOL
20 KiB
C++
880 lines
No EOL
20 KiB
C++
#include "main.h"
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#include "WMInformation.h"
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#include "resource.h"
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#include <exception>
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#include <strsafe.h>
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class AutoByte
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{
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public:
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AutoByte(size_t bytes)
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: data(0)
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{
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data = new BYTE[bytes];
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}
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~AutoByte()
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{
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if (data)
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delete[] data;
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data = 0;
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}
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operator void *()
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{
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return (void *)data;
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}
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BYTE *data;
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};
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static void StoreData(WMT_ATTR_DATATYPE type, BYTE *value, DWORD length, wchar_t *valueStr, size_t len)
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{
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switch (type)
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{
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case WMT_TYPE_DWORD:
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StringCchPrintf(valueStr, len, L"%lu", *(DWORD *)value);
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break;
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case WMT_TYPE_STRING:
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lstrcpyn(valueStr, (wchar_t *)value, len);
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break;
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case -1: // hack // if (attrName == L"WM/Text")
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StringCchPrintf(valueStr, len, L"%s/%s", UserTextDescription(value, length), UserTextString(value, length));
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break;
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case WMT_TYPE_BINARY:
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BinaryString(value, length, valueStr, len);
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break;
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case WMT_TYPE_BOOL:
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if (*(BOOL *)value)
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{
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lstrcpyn(valueStr, L"True", len);
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}
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else
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{
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lstrcpyn(valueStr, L"False", len);
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}
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break;
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case WMT_TYPE_QWORD:
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StringCchPrintf(valueStr, len, L"%I64u", *(QWORD *)value);
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break;
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case WMT_TYPE_WORD:
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StringCchPrintf(valueStr, len, L"%hu", *(WORD *)value);
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break;
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case WMT_TYPE_GUID:
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GuidString(*(GUID *)value, valueStr, len);
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break;
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default:
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WASABI_API_LNGSTRINGW_BUF(IDS_UNKNOWN,valueStr,len);
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break;
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}
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}
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WMInformation::WMInformation(const wchar_t *fileName, bool noBlock)
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: editor(0), editor2(0), header(0), header3(0), reader(0), header2(0), openError(false)
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{
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if (fileName && fileName[0]
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&& WMCreateEditor(&editor) == S_OK)
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{
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if (SUCCEEDED(editor->QueryInterface(&editor2)))
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{
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if (SUCCEEDED(editor2->OpenEx(fileName, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_DELETE)))
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{
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// good to go
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editor2->QueryInterface(&header);
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editor->QueryInterface(&header2);
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editor2->QueryInterface(&header3);
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return ;
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}
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}
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else
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{
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editor2 = 0;
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if (SUCCEEDED(editor->Open(fileName)))
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{
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// good to go
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editor->QueryInterface(&header);
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editor->QueryInterface(&header2);
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editor->QueryInterface(&header3);
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return ;
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}
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}
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// can't open it through the metadata editor interface, let's open a reader
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if (editor)
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editor->Release();
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editor = 0;
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if (editor2)
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editor2->Release();
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editor2 = 0;
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if (FAILED(WMCreateReader(0, WMT_RIGHT_PLAYBACK, &reader)))
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{
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reader = 0;
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return ;
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}
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hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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callback >> this;
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if (FAILED(reader->Open(fileName, &callback, 0)))
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{
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reader->Release();
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reader = 0;
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return ;
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}
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if (noBlock)
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WaitForEvent(hEvent, INFINITE);
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else
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WaitForSingleObject(hEvent, INFINITE);
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CloseHandle(hEvent);
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if (openError)
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{
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reader->Release();
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reader = 0;
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}
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else
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{
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reader->QueryInterface(&header);
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reader->QueryInterface(&header2);
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reader->QueryInterface(&header3);
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}
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}
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}
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WMInformation::WMInformation(IWMReader *_reader)
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: reader(0), // reader is if we create an internal reader, we don't want to save the passed one (so we don't close it on someone else :)
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editor(0), editor2(0), header(0),
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header3(0), header2(0),
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openError(false), hEvent(NULL)
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{
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if (FAILED(_reader->QueryInterface(&header)))
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header = 0;
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if (FAILED(_reader->QueryInterface(&header2)))
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header2 = 0;
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if (FAILED(_reader->QueryInterface(&header3)))
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header3 = 0; // this error is OK, we can deal with it.
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}
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/*
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WMInformation::WMInformation(IWMSyncReader *reader)
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: editor(0), editor2(0), header(0), header3(0)
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{
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reader->QueryInterface(&header);
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reader->QueryInterface(&header3);
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}*/
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WMInformation::WMInformation(IWMMetadataEditor *_editor)
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: editor(_editor), editor2(0), header(0),
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header3(0), reader(0), header2(0),
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openError(false), hEvent(NULL)
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{
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editor->AddRef();
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editor->QueryInterface(&editor2);
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editor->QueryInterface(&header);
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editor->QueryInterface(&header2);
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editor->QueryInterface(&header3);
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}
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WMInformation::~WMInformation()
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{
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if (editor)
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{
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editor->Close();
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editor->Release();
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editor = 0;
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}
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if (editor2)
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editor2->Release();
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editor2 = 0;
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if (header)
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header->Release();
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header = 0;
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if (header2)
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header2->Release();
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header2 = 0;
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if (header3)
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header3->Release();
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header3 = 0;
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if (reader)
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{
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reader->Close();
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reader->Release();
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reader = 0;
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}
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}
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bool WMInformation::GetDataType(const wchar_t *name, WMT_ATTR_DATATYPE &type)
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{
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if (!name)
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return false;
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WORD stream = 0;
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WORD dataLen = 0;
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if (header && SUCCEEDED(header->GetAttributeByName(&stream, name, &type, 0, &dataLen)))
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return true;
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else
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return false;
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}
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void WMInformation::DeleteAttribute(const wchar_t *attrName)
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{
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WORD indexCount = 0;
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if (header3 && SUCCEEDED(header3->GetAttributeIndices(0, attrName, NULL, 0, &indexCount)))
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{
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WORD *indices = new WORD[indexCount];
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if (SUCCEEDED(header3->GetAttributeIndices(0, attrName, NULL, indices, &indexCount)))
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{
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for (size_t i = 0;i != indexCount;i++)
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{
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header3->DeleteAttribute(0, indices[i]);
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}
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}
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}
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}
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void WMInformation::SetAttribute_BinString(const wchar_t *attrName, wchar_t *value)
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{
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if (!header || !attrName || !value)
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return ;
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if (!*value)
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{
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DeleteAttribute(attrName);
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return ;
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}
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AutoChar data(value);
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header->SetAttribute(0, attrName, WMT_TYPE_BINARY, (BYTE *)(char *)data, (WORD)strlen(data));
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}
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void WMInformation::GetAttribute_BinString(const wchar_t attrName[], wchar_t *valueStr, size_t len)
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{
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if (!header)
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{
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valueStr[0]=0;
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return ;
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}
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WMT_ATTR_DATATYPE type;
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WORD length = 0;
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HRESULT hr;
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WORD streamNum = 0;
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if (!header || FAILED(header->GetAttributeByName(&streamNum,
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attrName,
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&type,
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0,
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&length)))
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{
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valueStr[0]=0;
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return ;
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}
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AutoByte v(length);
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BYTE *value = v.data;
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hr = header->GetAttributeByName(&streamNum,
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attrName,
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&type,
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value,
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&length);
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if (FAILED(hr))
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{
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valueStr[0]=0;
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return ;
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}
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int converted = MultiByteToWideChar(CP_ACP, 0, (const char *)value, length, valueStr, len-1);
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valueStr[converted]=0;
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}
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void WMInformation::SetAttribute(const wchar_t *attrName, wchar_t *value, WMT_ATTR_DATATYPE defaultType)
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{
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if (!header || !attrName || !value)
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return ;
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if (!*value)
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{
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DeleteAttribute(attrName);
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return ;
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}
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WMT_ATTR_DATATYPE type;
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if (!GetDataType(attrName, type))
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type = defaultType;
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switch (type)
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{
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case WMT_TYPE_DWORD:
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{
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DWORD dwordValue = wcstoul(value, 0, 10);
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header->SetAttribute(0, attrName, WMT_TYPE_DWORD, (BYTE *) &dwordValue, sizeof(dwordValue));
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}
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break;
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case WMT_TYPE_STRING:
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{
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WORD size = static_cast<WORD>((lstrlen(value) + 1) * sizeof(wchar_t));
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header->SetAttribute(0, attrName, WMT_TYPE_STRING, (BYTE *)value, size);
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}
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break;
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case WMT_TYPE_BINARY:
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{
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// TODO
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}
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break;
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case WMT_TYPE_BOOL:
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{
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BOOL boolValue;
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if (!_wcsicmp(L"true", value))
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boolValue = TRUE;
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else
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boolValue = FALSE;
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header->SetAttribute(0, attrName, WMT_TYPE_BOOL, (BYTE *)&boolValue, sizeof(boolValue));
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}
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break;
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case WMT_TYPE_QWORD:
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{
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{
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QWORD qwordValue = _wcstoui64(value, 0, 10);
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header->SetAttribute(0, attrName, WMT_TYPE_QWORD, (BYTE *) &qwordValue, sizeof(qwordValue));
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}
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}
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break;
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case WMT_TYPE_WORD:
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{
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{
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WORD wordValue = static_cast<WORD>(wcstoul(value, 0, 10));
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header->SetAttribute(0, attrName, WMT_TYPE_WORD, (BYTE *) &wordValue, sizeof(wordValue));
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}
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}
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break;
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case WMT_TYPE_GUID:
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{
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GUID guidValue = StringGUID(value);
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header->SetAttribute(0, attrName, WMT_TYPE_GUID, (BYTE *) &guidValue, sizeof(guidValue));
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}
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break;
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}
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}
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bool WMInformation::GetAttributeSize(const wchar_t *name, size_t &size)
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{
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WORD stream = 0;
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WORD resultSize;
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WMT_ATTR_DATATYPE type;
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if (!header || FAILED(header->GetAttributeByName(&stream, name, &type, 0, &resultSize)))
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{
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return false;
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}
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size = resultSize;
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return true;
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}
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DWORD WMInformation::GetDWORDAttr(const wchar_t name[])
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{
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WORD stream = 0;
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DWORD result;
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WORD resultSizeWord = sizeof(result);
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DWORD resultSize = sizeof(result);
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WMT_ATTR_DATATYPE type = WMT_TYPE_DWORD;
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WORD count = 1;
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WORD indices[1] = {0};
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if ((!header3
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|| FAILED(header3->GetAttributeIndices(0, name, NULL, indices, &count))
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|| FAILED(header3->GetAttributeByIndexEx(0, indices[0], 0, 0, &type, NULL, (BYTE *) &result, &resultSize)))
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&&
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(!header || FAILED(header->GetAttributeByName(&stream, name, &type, (BYTE *)&result, &resultSizeWord))))
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return 0;
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else
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return result;
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}
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long WMInformation::GetLongAttr(const wchar_t name[])
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{
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WORD stream = 0;
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long result;
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WORD resultSize = sizeof(result);
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WMT_ATTR_DATATYPE type;
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if (!header || FAILED(header->GetAttributeByName(&stream, name, &type, (BYTE *)&result, &resultSize)))
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{
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return 0;
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}
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return result;
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}
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bool WMInformation::GetBoolAttr(const wchar_t name[])
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{
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WORD stream = 0;
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BOOL result;
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WORD resultSize = sizeof(result);
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WMT_ATTR_DATATYPE type;
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if (!header || FAILED(header->GetAttributeByName(&stream, name, &type, (BYTE *)&result, &resultSize)))
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{
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return false;
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}
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return !!result;
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}
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bool WMInformation::IsSeekable()
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{
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return GetBoolAttr(g_wszWMSeekable);
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}
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long WMInformation::GetLengthMilliseconds()
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{
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WORD stream = 0;
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long long duration = 0;
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WORD resultSize = sizeof(duration);
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WMT_ATTR_DATATYPE type;
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if (!header || FAILED(header->GetAttributeByName(&stream, g_wszWMDuration, &type, (BYTE *)&duration, &resultSize)))
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{
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return -1000;
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}
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duration /= 10000LL;
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return (long)duration;
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}
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long WMInformation::GetBitrate()
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{
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return GetDWORDAttr(g_wszWMCurrentBitrate);
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}
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WORD WMInformation::GetNumberAttributes()
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{
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WORD numAttr = 0;
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if ((!header3 || FAILED(header3->GetAttributeCountEx(0, &numAttr)))
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&& (!header || FAILED(header->GetAttributeCount(0, &numAttr))))
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return 0;
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else
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return numAttr;
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}
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void WMInformation::GetAttribute(WORD index, wchar_t *attrName, size_t attrLen, wchar_t *valueStr, size_t valueStrLen)
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{
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wchar_t _attrName[1025] = {0};
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WORD nameLen = sizeof(_attrName) / sizeof(_attrName[0]);
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WMT_ATTR_DATATYPE type;
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WORD lang;
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WORD stream = 0;
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DWORD length = 0;
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WORD lengthWord = 0;
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if ((!header3 || FAILED(header3->GetAttributeByIndexEx(0, index, _attrName, &nameLen, &type, &lang, 0, &length)))
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&& (!header || FAILED(header->GetAttributeByIndex(index, &stream, _attrName, &nameLen, &type, 0, &lengthWord))))
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{
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attrName[0]=0;
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valueStr[0]=0;
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return ;
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}
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if (lengthWord)
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length = lengthWord;
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AutoByte v(length);
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BYTE *value = v.data;
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lstrcpyn(attrName, _attrName, attrLen);
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if ((!header3 || FAILED(header3->GetAttributeByIndexEx(0, index, _attrName, &nameLen, &type, &lang, value, &length)))
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&& (!header || FAILED(header->GetAttributeByIndex(index, &stream, _attrName, &nameLen, &type, value, &lengthWord))))
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{
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attrName[0]=0;
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valueStr[0]=0;
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return ;
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}
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if (attrName == L"WM/Text")
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{
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type = (WMT_ATTR_DATATYPE)-1; // hack
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StringCchCat(attrName, attrLen, L":");
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StringCchCat(attrName, attrLen, UserTextDescription(value, length));
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}
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StoreData(type, value, length, valueStr, valueStrLen);
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}
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void WMInformation::GetAttribute(const wchar_t attrName[], wchar_t *valueStr, size_t len)
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{
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if (!header)
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{
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valueStr[0]=0;
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return ;
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}
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WMT_ATTR_DATATYPE type;
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WORD length = 0;
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HRESULT hr;
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WORD streamNum = 0;
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if (!header || FAILED(header->GetAttributeByName(&streamNum,
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attrName,
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&type,
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0,
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&length)))
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{
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valueStr[0]=0;
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return ;
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}
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AutoByte v(length);
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BYTE *value = v.data;
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hr = header->GetAttributeByName(&streamNum,
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attrName,
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&type,
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value,
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&length);
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if (FAILED(hr))
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{
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valueStr[0]=0;
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return ;
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}
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if (attrName == L"WM/Text")
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type = (WMT_ATTR_DATATYPE)-1; // hack
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StoreData(type, value, length, valueStr, len);
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}
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bool WMInformation::MakeWritable(const wchar_t *fileName)
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{
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if (!editor || !editor2)
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return false;
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if (FAILED(editor2->OpenEx(fileName, GENERIC_READ | GENERIC_WRITE, 0)))
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{
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return false;
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}
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return true;
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}
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bool WMInformation::Flush()
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{
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if (!editor2 || FAILED(editor->Flush()))
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return false;
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return true;
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}
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bool WMInformation::IsAttribute(const wchar_t attrName[])
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{
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WMT_ATTR_DATATYPE type = WMT_TYPE_BOOL;
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|
WORD length = sizeof(BOOL);
|
|
WORD streamNum = 0;
|
|
BOOL value;
|
|
if (!header || FAILED(header->GetAttributeByName(&streamNum,
|
|
attrName,
|
|
&type,
|
|
(BYTE *)&value,
|
|
&length)))
|
|
{
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
return !!value;
|
|
}
|
|
}
|
|
|
|
bool WMInformation::IsNotAttribute(const wchar_t attrName[])
|
|
{
|
|
if (!header)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
WMT_ATTR_DATATYPE type = WMT_TYPE_BOOL;
|
|
WORD length = sizeof(BOOL);
|
|
WORD streamNum = 0;
|
|
BOOL value;
|
|
if (!header || FAILED(header->GetAttributeByName(&streamNum,
|
|
attrName,
|
|
&type,
|
|
(BYTE *)&value,
|
|
&length)))
|
|
{
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
return !value;
|
|
}
|
|
}
|
|
|
|
bool WMInformation::MakeReadOnly(const wchar_t *fileName)
|
|
{
|
|
if (!editor || !editor2)
|
|
return false;
|
|
|
|
//editor->Close();
|
|
if (FAILED(editor2->OpenEx(fileName, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_DELETE)))
|
|
{
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
bool WMInformation::NonWritable()
|
|
{
|
|
if (!editor2)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
void WMInformation::DeleteUserText(const wchar_t *description)
|
|
{
|
|
WORD indexCount = 0;
|
|
WMT_ATTR_DATATYPE type = WMT_TYPE_BOOL;
|
|
WORD nameLen = 128;
|
|
if (header3 && SUCCEEDED(header3->GetAttributeIndices(0, L"WM/Text", NULL, 0, &indexCount)))
|
|
{
|
|
WORD *indices = new WORD[indexCount];
|
|
if (SUCCEEDED(header3->GetAttributeIndices(0, L"WM/Text", NULL, indices, &indexCount)))
|
|
{
|
|
for (size_t index = 0;index != indexCount;index++)
|
|
{
|
|
WMT_ATTR_DATATYPE type = WMT_TYPE_BINARY;
|
|
WORD lang = 0;
|
|
DWORD length = 0;
|
|
wchar_t _attrName[128] = L"WM/Text";
|
|
if (SUCCEEDED(header3->GetAttributeByIndexEx(0, indices[index], _attrName, &nameLen, &type, &lang, 0, &length)))
|
|
{
|
|
AutoByte v(length);
|
|
BYTE *value = v.data;
|
|
|
|
if (SUCCEEDED(header3->GetAttributeByIndexEx(0, indices[index], _attrName, &nameLen, &type, &lang, value, &length)))
|
|
{
|
|
if (UserTextDescription(value, length) == description)
|
|
{
|
|
header3->DeleteAttribute(0, indices[index]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void WMInformation::SetUserText(const wchar_t *description, const wchar_t *valueStr)
|
|
{
|
|
if (!header3 || !description || !valueStr)
|
|
return;
|
|
|
|
WM_USER_TEXT userText;
|
|
userText.pwszDescription = (LPWSTR)description;
|
|
userText.pwszText = (LPWSTR) valueStr;
|
|
|
|
WORD index;
|
|
header3->AddAttribute(0, L"WM/Text", &index, WMT_TYPE_BINARY, 0, (BYTE *) &userText, sizeof(userText));
|
|
}
|
|
|
|
void WMInformation::ClearAllAttributes()
|
|
{
|
|
WORD numAttrs;
|
|
header3->GetAttributeCountEx(0xFFFF, &numAttrs);
|
|
while (numAttrs--)
|
|
{
|
|
header3->DeleteAttribute(0xFFFF, numAttrs);
|
|
}
|
|
}
|
|
|
|
bool WMInformation::GetCodecName(wchar_t *storage, size_t len)
|
|
{
|
|
if (!header2)
|
|
return false;
|
|
|
|
DWORD codecs=0;
|
|
header2->GetCodecInfoCount(&codecs);
|
|
for (DWORD i=0;i!=codecs;i++)
|
|
{
|
|
WORD nameLen=0, descriptionLen=0, infoLen = 0;
|
|
WMT_CODEC_INFO_TYPE type;
|
|
header2->GetCodecInfo(i, &nameLen, 0, &descriptionLen, 0, &type, &infoLen, 0);
|
|
if (type == WMT_CODECINFO_AUDIO)
|
|
{
|
|
wchar_t *name = new wchar_t[nameLen];
|
|
wchar_t *description = new wchar_t[descriptionLen];
|
|
BYTE *info = new BYTE[infoLen];
|
|
header2->GetCodecInfo(i, &nameLen, name, &descriptionLen, description, &type, &infoLen, info);
|
|
lstrcpynW(storage, name, len);
|
|
delete[] name;
|
|
delete[]description;
|
|
delete[] info;
|
|
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool WMInformation::GetPicture(void **data, size_t *len, wchar_t **mimeType, int pictype)
|
|
{
|
|
WORD indexCount = 0;
|
|
WMT_ATTR_DATATYPE type = WMT_TYPE_BINARY;
|
|
WORD nameLen = 128;
|
|
if (header3 && SUCCEEDED(header3->GetAttributeIndices(0, g_wszWMPicture, NULL, 0, &indexCount)))
|
|
{
|
|
WORD *indices = new WORD[indexCount];
|
|
if (SUCCEEDED(header3->GetAttributeIndices(0, g_wszWMPicture, NULL, indices, &indexCount)))
|
|
{
|
|
for (size_t index = 0;index != indexCount;index++)
|
|
{
|
|
WMT_ATTR_DATATYPE type = WMT_TYPE_BINARY;
|
|
WORD lang = 0;
|
|
DWORD length = 0;
|
|
wchar_t _attrName[128] = {0};
|
|
if (SUCCEEDED(header3->GetAttributeByIndexEx(0, indices[index], _attrName, &nameLen, &type, &lang, 0, &length)))
|
|
{
|
|
AutoByte v(length);
|
|
BYTE *value = v.data;
|
|
|
|
if (SUCCEEDED(header3->GetAttributeByIndexEx(0, indices[index], _attrName, &nameLen, &type, &lang, value, &length)))
|
|
{
|
|
WM_PICTURE *picture = (WM_PICTURE *)value;
|
|
if (picture->bPictureType == pictype)
|
|
{
|
|
*len = picture->dwDataLen;
|
|
*data = WASABI_API_MEMMGR->sysMalloc(*len);
|
|
memcpy(*data, picture->pbData, *len);
|
|
wchar_t *type=0;
|
|
if (picture->pwszMIMEType)
|
|
type = wcschr(picture->pwszMIMEType, L'/');
|
|
|
|
if (type && *type)
|
|
{
|
|
type++;
|
|
|
|
wchar_t *type2 = wcschr(type, L'/');
|
|
if (type2 && *type2) type2++;
|
|
else type2 = type;
|
|
|
|
size_t mimelen = wcslen(type2)+1;
|
|
*mimeType = (wchar_t *)WASABI_API_MEMMGR->sysMalloc(mimelen*sizeof(wchar_t));
|
|
StringCchCopyW(*mimeType, mimelen, type2);
|
|
}
|
|
else
|
|
*mimeType = 0; // unknown!
|
|
delete[] indices;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
delete[] indices;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool WMInformation::SetPicture(void *data, size_t len, const wchar_t *mimeType, int type)
|
|
{
|
|
WM_PICTURE picture;
|
|
picture.bPictureType = type;
|
|
picture.dwDataLen = len;
|
|
picture.pbData = (BYTE *)data;
|
|
picture.pwszDescription=L"";
|
|
wchar_t mt[32] = {0};
|
|
if (wcsstr(mimeType, L"/") != 0)
|
|
{
|
|
StringCchCopyW(mt, 32, mimeType);
|
|
}
|
|
else
|
|
{
|
|
StringCchPrintfW(mt, 32, L"image/%s", mimeType);
|
|
}
|
|
picture.pwszMIMEType = mt;
|
|
return SUCCEEDED(header->SetAttribute(0, g_wszWMPicture, WMT_TYPE_BINARY, (const BYTE *)&picture, sizeof(picture)));
|
|
}
|
|
|
|
bool WMInformation::HasPicture(int pictype)
|
|
{
|
|
WORD indexCount = 0;
|
|
WMT_ATTR_DATATYPE type = WMT_TYPE_BINARY;
|
|
WORD nameLen = 128;
|
|
if (header3 && SUCCEEDED(header3->GetAttributeIndices(0, g_wszWMPicture, NULL, 0, &indexCount)))
|
|
{
|
|
WORD *indices = new WORD[indexCount];
|
|
if (SUCCEEDED(header3->GetAttributeIndices(0, g_wszWMPicture, NULL, indices, &indexCount)))
|
|
{
|
|
for (size_t index = 0;index != indexCount;index++)
|
|
{
|
|
WMT_ATTR_DATATYPE type = WMT_TYPE_BINARY;
|
|
WORD lang = 0;
|
|
DWORD length = 0;
|
|
wchar_t _attrName[128] = {0};
|
|
if (SUCCEEDED(header3->GetAttributeByIndexEx(0, indices[index], _attrName, &nameLen, &type, &lang, 0, &length)))
|
|
{
|
|
AutoByte v(length);
|
|
BYTE *value = v.data;
|
|
|
|
if (SUCCEEDED(header3->GetAttributeByIndexEx(0, indices[index], _attrName, &nameLen, &type, &lang, value, &length)))
|
|
{
|
|
WM_PICTURE *picture = (WM_PICTURE *)value;
|
|
if (picture->bPictureType == pictype)
|
|
{
|
|
delete[] indices;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
delete[] indices;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool WMInformation::DeletePicture(int pictype)
|
|
{
|
|
WORD indexCount = 0;
|
|
WMT_ATTR_DATATYPE type = WMT_TYPE_BINARY;
|
|
WORD nameLen = 128;
|
|
if (header3 && SUCCEEDED(header3->GetAttributeIndices(0, g_wszWMPicture, NULL, 0, &indexCount)))
|
|
{
|
|
WORD *indices = new WORD[indexCount];
|
|
if (SUCCEEDED(header3->GetAttributeIndices(0, g_wszWMPicture, NULL, indices, &indexCount)))
|
|
{
|
|
for (size_t index = 0;index != indexCount;index++)
|
|
{
|
|
WMT_ATTR_DATATYPE type = WMT_TYPE_BINARY;
|
|
WORD lang = 0;
|
|
DWORD length = 0;
|
|
wchar_t _attrName[128] = {0};
|
|
if (SUCCEEDED(header3->GetAttributeByIndexEx(0, indices[index], _attrName, &nameLen, &type, &lang, 0, &length)))
|
|
{
|
|
AutoByte v(length);
|
|
BYTE *value = v.data;
|
|
|
|
if (SUCCEEDED(header3->GetAttributeByIndexEx(0, indices[index], _attrName, &nameLen, &type, &lang, value, &length)))
|
|
{
|
|
WM_PICTURE *picture = (WM_PICTURE *)value;
|
|
if (picture->bPictureType == pictype)
|
|
{
|
|
header3->DeleteAttribute(0, indices[index]);
|
|
delete[] indices;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
delete[] indices;
|
|
}
|
|
return false;
|
|
} |