mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-23 02:40:26 +01:00
24cb244d43
This was a _ton_ of changes, made 15 years ago, so there are probably some problems to work out still. Among others: Engine/Base/Stream.* was mostly abandoned and will need to be re-ported. Still, this is a pretty good start, and probably holds a world record for lines of changes or something. :)
131 lines
2.7 KiB
C++
131 lines
2.7 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
|
|
|
|
#include "Engine/StdH.h"
|
|
|
|
#include <Engine/Graphics/Raster.h>
|
|
|
|
#include <Engine/Base/ListIterator.inl>
|
|
#include <Engine/Graphics/DrawPort.h>
|
|
#include <Engine/Graphics/GfxLibrary.h>
|
|
|
|
/*
|
|
* Raster functions
|
|
*/
|
|
|
|
CRaster::CRaster(PIX ulWidth, PIX ulHeight, ULONG ulFlags) : ra_MainDrawPort()
|
|
{
|
|
// remember width and height
|
|
ra_Width = ulWidth;
|
|
ra_Height = ulHeight;
|
|
|
|
// clear uninitialized fields
|
|
ra_LockCount = 0;
|
|
|
|
// set flags
|
|
ra_Flags = ulFlags;
|
|
|
|
// add main drawport to list
|
|
ASSERT( ra_DrawPortList.IsEmpty());
|
|
ra_DrawPortList.AddTail(ra_MainDrawPort.dp_NodeInRaster);
|
|
ra_MainDrawPort.dp_Raster = this;
|
|
ra_pvpViewPort = NULL;
|
|
|
|
// when all is initialized correct the drawport dimensions
|
|
RecalculateDrawPortsDimensions();
|
|
}
|
|
|
|
|
|
CRaster::~CRaster(void)
|
|
{
|
|
// remove main drawport from list of drawports
|
|
ra_MainDrawPort.dp_NodeInRaster.Remove();
|
|
// remove all other drawports in this raster
|
|
FORDELETELIST(CDrawPort, dp_NodeInRaster, ra_DrawPortList, litdp) {
|
|
// and delete each one
|
|
delete &litdp.Current();
|
|
}
|
|
|
|
// raster must be unlocked before destroying it
|
|
ASSERT(ra_LockCount==0);
|
|
}
|
|
|
|
|
|
/* Recalculate dimensions for all drawports. */
|
|
void CRaster::RecalculateDrawPortsDimensions(void)
|
|
{
|
|
// for all drawports in this raster
|
|
FOREACHINLIST(CDrawPort, dp_NodeInRaster, ra_DrawPortList, litdp) {
|
|
// recalculate dimensions to fit new size of raster
|
|
litdp.Current().RecalculateDimensions();
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Lock for drawing.
|
|
*/
|
|
BOOL CRaster::Lock()
|
|
{
|
|
ASSERT( this!=NULL);
|
|
ASSERT( ra_LockCount>=0);
|
|
|
|
// if raster size is too small in some axis
|
|
if( ra_Width<1 || ra_Height<1) {
|
|
// do not allow locking
|
|
ASSERTALWAYS( "Raster size to small to be locked!");
|
|
return FALSE;
|
|
}
|
|
|
|
// if allready locked
|
|
if( ra_LockCount>0) {
|
|
// just increment counter
|
|
ra_LockCount++;
|
|
return TRUE;
|
|
}
|
|
// if not already locked
|
|
else {
|
|
// try to lock with driver
|
|
BOOL bLocked = _pGfx->LockRaster(this);
|
|
// if succeeded in locking
|
|
if( bLocked) {
|
|
// set the counter to 1
|
|
ra_LockCount = 1;
|
|
return TRUE;
|
|
}
|
|
// lock not ok
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Unlock after drawing.
|
|
*/
|
|
void CRaster::Unlock()
|
|
{
|
|
ASSERT( this!=NULL);
|
|
ASSERT( ra_LockCount>0);
|
|
|
|
// decrement counter
|
|
ra_LockCount--;
|
|
// if reached zero
|
|
if( ra_LockCount==0 ) {
|
|
// unlock it with driver
|
|
_pGfx->UnlockRaster(this);
|
|
}
|
|
}
|
|
|
|
|
|
/*****
|
|
* Change Raster size.
|
|
*/
|
|
void CRaster::Resize( PIX pixWidth, PIX pixHeight)
|
|
{
|
|
ASSERT( pixWidth>0 && pixHeight>0);
|
|
if( pixWidth <=0) pixWidth = 1;
|
|
if( pixHeight<=0) pixHeight = 1;
|
|
ra_Width = pixWidth;
|
|
ra_Height = pixHeight;
|
|
RecalculateDrawPortsDimensions();
|
|
}
|