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renamed fToken to fAreaOffset and use it instead of fArea for the area offset. Less hacky.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16031 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini 2006-01-21 20:30:31 +00:00
parent 365a41fd5c
commit ccee0bb56d
2 changed files with 13 additions and 19 deletions
headers/os/interface
Bitmap.h
src/kits/interface
Bitmap.cpp

2
headers/os/interface/Bitmap.h

@ -118,7 +118,7 @@ private:
int32 fBytesPerRow;
BWindow *fWindow;
int32 fServerToken;
int32 fToken;
int32 fAreaOffset;
uint8 unused;
area_id fArea;
area_id fOrigArea;

30
src/kits/interface/Bitmap.cpp

@ -701,7 +701,7 @@ BBitmap::BBitmap(BRect bounds, uint32 flags, color_space colorSpace,
fBytesPerRow(0),
fWindow(NULL),
fServerToken(-1),
fToken(-1),
fAreaOffset(-1),
fArea(-1),
fOrigArea(-1),
fFlags(0),
@ -729,7 +729,7 @@ BBitmap::BBitmap(BRect bounds, color_space colorSpace, bool acceptsViews,
fBytesPerRow(0),
fWindow(NULL),
fServerToken(-1),
fToken(-1),
fAreaOffset(-1),
fArea(-1),
fOrigArea(-1),
fFlags(0),
@ -760,7 +760,7 @@ BBitmap::BBitmap(const BBitmap *source, bool acceptsViews,
fBytesPerRow(0),
fWindow(NULL),
fServerToken(-1),
fToken(-1),
fAreaOffset(-1),
fArea(-1),
fOrigArea(-1),
fFlags(0),
@ -798,7 +798,7 @@ BBitmap::BBitmap(BMessage *data)
fBytesPerRow(0),
fWindow(NULL),
fServerToken(-1),
fToken(-1),
fAreaOffset(-1),
fArea(-1),
fOrigArea(-1),
fFlags(0),
@ -933,6 +933,7 @@ BBitmap::UnlockBits()
area_id
BBitmap::Area() const
{
const_cast<BBitmap *>(this)->AssertPtr();
return fArea;
}
@ -2258,15 +2259,8 @@ BBitmap::InitObject(BRect bounds, color_space colorSpace, uint32 flags,
// server side success
// Get token
link.Read<int32>(&fServerToken);
int32 areaOffset;
link.Read<area_id>(&fOrigArea);
link.Read<int32>(&areaOffset);
// TODO: We save the area offset into "fArea" because
// we need it into AssertPtr(), and we can't add any member
// to BBitmap due to binary compatibility
fArea = (area_id)areaOffset;
link.Read<int32>(&fAreaOffset);
if (fOrigArea >= B_OK) {
fSize = size;
@ -2283,12 +2277,12 @@ BBitmap::InitObject(BRect bounds, color_space colorSpace, uint32 flags,
fServerToken = -1;
fArea = -1;
fOrigArea = -1;
fAreaOffset = -1;
// NOTE: why not "0" in case of error?
fFlags = flags;
}
}
fWindow = NULL;
fToken = -1;
}
fInitError = error;
@ -2328,9 +2322,11 @@ BBitmap::CleanUp()
link.Attach<int32>(fServerToken);
link.Flush();
delete_area(fArea);
if (fArea >= 0)
delete_area(fArea);
fArea = -1;
fServerToken = -1;
fAreaOffset = -1;
}
fBasePtr = NULL;
}
@ -2339,18 +2335,16 @@ BBitmap::CleanUp()
void
BBitmap::AssertPtr()
{
if (fBasePtr == NULL && InitCheck() == B_OK) {
if (fBasePtr == NULL && fAreaOffset != -1 && InitCheck() == B_OK) {
// Offset was saved into "fArea" as we can't add
// any member variable due to Binary compatibility
int32 offset = (int32)fArea;
// Get the area in which the data resides
fArea = clone_area("shared bitmap area", (void **)&fBasePtr, B_ANY_ADDRESS,
B_READ_AREA | B_WRITE_AREA, fOrigArea);
if (fArea >= B_OK) {
// Jump to the location in the area
fBasePtr = (int8 *)fBasePtr + offset;
fBasePtr = (int8 *)fBasePtr + fAreaOffset;
} else
fBasePtr = NULL;
}