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Begin adding clipping to graphics message processing.

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Add sibling access functions to layers.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3912 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
shadow303 2003-07-09 02:28:33 +00:00
parent f029162a70
commit 64150e75b5
2 changed files with 35 additions and 4 deletions
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2
src/servers/app/server/Layer.h
View File

@ -64,6 +64,8 @@ public:
void MakeBottomChild(void);
Layer *FindLayer(int32 token);
Layer *GetChildAt(BPoint pt, bool recursive=false);
Layer *GetUpperSibling() { return _uppersibling; }
Layer *GetLowerSibling() { return _lowersibling; }
PortLink *GetLink(void);
const char *GetName(void) { return (_name)?_name->String():NULL; }
LayerData *GetLayerData(void) { return _layerdata; }

37
src/servers/app/server/ServerWindow.cpp
View File

@ -634,19 +634,42 @@ void ServerWindow::DispatchGraphicsMessage(int32 msgsize, int8 *msgbuffer)
int32 code;
int32 view_token;
uint32 sizeRemaining = (uint32)msgsize;
BRegion WindowClipRegion;
BRegion LayerClipRegion;
Layer *sibling;
int32 numRects;
if ( !msgsize || !msgbuffer )
return;
if ( IsHidden() )
return;
WindowClipRegion.Set(_winborder->Frame());
sibling = _winborder->GetUpperSibling();
while ( sibling )
{
WindowClipRegion.Exclude(sibling->Frame());
sibling = sibling->GetUpperSibling();
}
if ( !WindowClipRegion.Frame().IsValid() )
return;
// We need to decide whether coordinates are specified in view or root coordinates.
// For now, we assume root level coordinates.
while (sizeRemaining > 2*sizeof(int32))
code = AS_BEGIN_UPDATE;
while ((sizeRemaining > 2*sizeof(int32)) && (code != AS_END_UPDATE))
{
code = read_from_buffer<int32>(&msgbuffer);
view_token = read_from_buffer<int32>(&msgbuffer);
layer = _workspace->GetRoot()->FindLayer(view_token);
if ( layer )
{
layerdata = layer->GetLayerData();
LayerClipRegion.Set(layer->Frame());
LayerClipRegion.IntersectWith(&WindowClipRegion);
numRects = LayerClipRegion.CountRects();
}
else
{
layerdata = NULL;
@ -999,7 +1022,6 @@ void ServerWindow::DispatchGraphicsMessage(int32 msgsize, int8 *msgbuffer)
}
case AS_FILL_RECT:
{
// TODO:: Add clipping
if ( sizeRemaining >= AS_FILL_RECT_MSG_SIZE )
{
float left, top, right, bottom;
@ -1010,8 +1032,15 @@ void ServerWindow::DispatchGraphicsMessage(int32 msgsize, int8 *msgbuffer)
bottom = read_from_buffer<float>(&msgbuffer);
pattern = read_pattern_from_buffer(&msgbuffer);
BRect rect(left,top,right,bottom);
if ( layerdata )
_app->_driver->FillRect(rect,layerdata,pattern);
if ( layerdata && numRects )
if ( numRects == 1 )
_app->_driver->FillRect(rect,layerdata,pattern);
else
{
int i;
for (i=0; i<numRects; i++)
_app->_driver->FillRect(LayerClipRegion.RectAt(i),layerdata,pattern);
}
sizeRemaining -= AS_FILL_RECT_MSG_SIZE;
}
else