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moved the logic from an unnessecary function to a nessecary function, and eliminated the unnessecary function

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2232 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Matthew Wilber 2002-12-13 00:31:07 +00:00
parent a0bf29354d
commit 5f4bf7bf85
1 changed files with 34 additions and 62 deletions

96
src/kits/translation/TranslationUtils.cpp

@ -184,9 +184,9 @@ BTranslationUtils::GetBitmap(uint32 type, int32 id, BTranslatorRoster *roster)
BMemoryIO memio(kpRawData, bitmapSize);
// Put the pointer to the raw image data into a BMemoryIO object
// so that it can be used with BTranslatorRoster->Translate() in
// the TranslateToBitmap() function
// the GetBitmap(BPositionIO *, BTranslatorRoster *) function
return TranslateToBitmap(&memio, roster);
return GetBitmap(&memio, roster);
// Translate the data in memio using the BTranslatorRoster roster
}
@ -230,7 +230,7 @@ BTranslationUtils::GetBitmap(uint32 type, const char *kName,
// Put the pointer to the raw image data into a BMemoryIO object so
// that it can be used with BTranslatorRoster->Translate()
return TranslateToBitmap(&memio, roster);
return GetBitmap(&memio, roster);
// Translate the data in memio using the BTranslatorRoster roster
}
@ -258,7 +258,7 @@ BTranslationUtils::GetBitmapFile(const char *kName, BTranslatorRoster *roster)
if (bitmapFile.InitCheck() != B_OK)
return NULL;
return TranslateToBitmap(&bitmapFile, roster);
return GetBitmap(&bitmapFile, roster);
// Translate the data in memio using the BTranslatorRoster roster
}
@ -286,7 +286,7 @@ BTranslationUtils::GetBitmap(const entry_ref *kRef, BTranslatorRoster *roster)
if (bitmapFile.InitCheck() != B_OK)
return NULL;
return TranslateToBitmap(&bitmapFile, roster);
return GetBitmap(&bitmapFile, roster);
// Translate the data in bitmapFile using the BTranslatorRoster roster
}
@ -294,7 +294,9 @@ BTranslationUtils::GetBitmap(const entry_ref *kRef, BTranslatorRoster *roster)
// GetBitmap
//
// Returns a BBitmap object from the BPositionIO *stream. The
// user must delete the returned object
// user must delete the returned object. This GetBitmap function
// is used by the other GetBitmap functions to do all of the
// "real" work.
//
// Preconditions:
//
@ -304,13 +306,35 @@ BTranslationUtils::GetBitmap(const entry_ref *kRef, BTranslatorRoster *roster)
// Postconditions:
//
// Returns: NULL, if the stream couldn't be translated to a BBitmap
// BBitmap * to the bitmap file named kName
// BBitmap * for the bitmap data from pio if successful
// ---------------------------------------------------------------
BBitmap *
BTranslationUtils::GetBitmap(BPositionIO *stream, BTranslatorRoster *roster)
{
return TranslateToBitmap(stream, roster);
// Translate the data in memio using the BTranslatorRoster roster
{
if (stream == NULL)
return NULL;
// Use default Translator if none is specified
if (roster == NULL) {
roster = BTranslatorRoster::Default();
if (roster == NULL)
return NULL;
}
// Translate the file from whatever format it is in the file
// to the type format so that it can be stored in a BBitmap
BBitmapStream bitmapStream;
if (roster->Translate(stream, NULL, NULL, &bitmapStream,
B_TRANSLATOR_BITMAP) < B_OK)
return NULL;
// Detach the BBitmap from the BBitmapStream so the user
// of this function can do what they please with it.
BBitmap *pBitmap = NULL;
if (bitmapStream.DetachBitmap(&pBitmap) == B_NO_ERROR)
return pBitmap;
else
return NULL;
}
// ---------------------------------------------------------------
@ -911,55 +935,3 @@ BTranslationUtils::AddTranslationItems(BMenu *intoMenu, uint32 fromType,
delete[] ids;
return B_OK;
}
// ---------------------------------------------------------------
// TranslateToBitmap
//
// Translates the image data from pio to the type type using the
// supplied BTranslatorRoster. If BTranslatorRoster is not supplied
// the default BTranslatorRoster is used. This function is used
// indirectly by the GetBitmap functions
//
// Preconditions:
//
// Parameters: pio, the stream to get the bitmap from
// type, the type of data in the stream
// roster, BTranslatorRoster used to do the
// translation, if NULL the default
// translators are used
//
// Postconditions:
//
// Returns: NULL, if anything went wrong
// BBitmap * for the bitmap data from pio if successful
// ---------------------------------------------------------------
BBitmap *
BTranslationUtils::TranslateToBitmap(BPositionIO *pio,
BTranslatorRoster *roster)
{
if (pio == NULL)
return NULL;
// Use default Translator if none is specified
if (roster == NULL) {
roster = BTranslatorRoster::Default();
if (roster == NULL)
return NULL;
}
// Translate the file from whatever format it is in the file
// to the type format so that it can be stored in a BBitmap
BBitmapStream bitmapStream;
if (roster->Translate(pio, NULL, NULL, &bitmapStream,
B_TRANSLATOR_BITMAP) < B_OK)
return NULL;
// Detach the BBitmap from the BBitmapStream so the user
// of this function can do what they please with it.
BBitmap *pBitmap = NULL;
if (bitmapStream.DetachBitmap(&pBitmap) == B_NO_ERROR)
return pBitmap;
else
return NULL;
}