//=============================================================================
// Q3Hit_EmptyData : Compatibility function.
//-----------------------------------------------------------------------------
TQ3Status
Q3Hit_EmptyData(void *hitData)
{
TQ3HitData *hitDataPtr = (TQ3HitData*)hitData ;
Q3HitPath_EmptyData ( &hitDataPtr->path ) ;
if ( hitDataPtr->object )
Q3Object_Dispose ( hitDataPtr->object ) ;
if ( hitDataPtr->shapePart )
Q3Object_Dispose ( hitDataPtr->shapePart ) ;
return(kQ3Success);
}
//=============================================================================
// E3FFW_3DMF_Close: Close the format.
//-----------------------------------------------------------------------------
TQ3Status
E3FFW_3DMF_Close( TQ3FileFormatObject format, TQ3Boolean abort )
{
TE3FFormatW3DMF_Data* instanceData = (TE3FFormatW3DMF_Data*) format->FindLeafInstanceData () ;
TQ3Status status = kQ3Success;
TE3FFormat3DMF_TOC *toc = instanceData->toc;
TQ3Uns32 i;
if(toc != NULL) // delete the toc
{
for(i = 0; i < toc->nEntries; i++)
{
if(toc->tocEntries[i].object != NULL)
{
Q3Object_Dispose(toc->tocEntries[i].object);
}
}
Q3Memory_Free(&instanceData->toc);
}
if (instanceData->index != NULL)
{
delete instanceData->index;
}
return status;
}
TQ3ShaderObject
QutTexture_CreateTextureFromPixmap( PixMapHandle thePixMap,
TQ3PixelType pixelType,
TQ3Boolean wantMipMaps)
{
TQ3TextureObject qd3dTextureObject = NULL ;
TQ3ShaderObject qd3dTextureShader = NULL ;
// Create the texture
qd3dTextureObject = QutTexture_CreateTextureObjectFromPixmap( thePixMap,
pixelType,
wantMipMaps) ;
// Create the texture shader
if (qd3dTextureObject != NULL)
{
qd3dTextureShader = Q3TextureShader_New(qd3dTextureObject);
Q3Object_Dispose(qd3dTextureObject);
}
return(qd3dTextureShader);
}
//=============================================================================
// e3geom_disk_duplicate : Disk duplicate method.
//-----------------------------------------------------------------------------
static TQ3Status
e3geom_disk_duplicate(TQ3Object fromObject, const void *fromPrivateData,
TQ3Object toObject, void *toPrivateData)
{ TQ3DiskData *toInstanceData = (TQ3DiskData *) toPrivateData;
TQ3Status qd3dStatus;
TQ3AttributeSet dupSet;
#pragma unused(fromPrivateData)
#pragma unused(toObject)
// Validate our parameters
Q3_REQUIRE_OR_RESULT(Q3_VALID_PTR(fromObject), kQ3Failure);
Q3_REQUIRE_OR_RESULT(Q3_VALID_PTR(toPrivateData), kQ3Failure);
// Copy the data from fromObject to toObject
qd3dStatus = Q3Disk_GetData(fromObject, toInstanceData);
if ( (qd3dStatus == kQ3Success) &&
(toInstanceData->diskAttributeSet != NULL) )
{
dupSet = Q3Object_Duplicate( toInstanceData->diskAttributeSet );
Q3Object_Dispose( toInstanceData->diskAttributeSet );
toInstanceData->diskAttributeSet = dupSet;
if (dupSet == NULL)
{
qd3dStatus = kQ3Failure;
}
}
return(qd3dStatus);
}
static TQ3GroupObject QD3DSupport_NewLights()
{
TQ3GroupPosition myGroupPosition;
TQ3GroupObject myLightList;
TQ3LightData myLightData;
TQ3LightObject myAmbientLight = NULL;
TQ3ColorRGB WhiteLight = { 1.0F, 1.0F, 1.0F };
/* Set up light data for ambient light. This light data will be used for point and fill
light also. */
myLightData.isOn = kQ3True;
myLightData.color = WhiteLight;
/* Create ambient light. */
myLightData.brightness = 0.8F;
myAmbientLight = Q3AmbientLight_New(&myLightData);
if ( myAmbientLight == nil )
{
goto bail;
}
/* Create light group and add each of the lights into the group. */
myLightList = Q3LightGroup_New();
if ( myLightList == nil )
{
goto bail;
}
myGroupPosition = Q3Group_AddObject(myLightList, myAmbientLight);
if ( myGroupPosition == 0 )
{
goto bail;
}
Q3Object_Dispose( myAmbientLight ) ;
/* Done! */
return ( myLightList );
bail:
/* If any of the above failed, then return nothing! */
if (myAmbientLight != NULL)
{
Q3Object_Dispose( myAmbientLight ) ;
}
return ( nil );
}
static TQ3GroupPosition MyAddTransformedObjectToGroup( TQ3GroupObject theGroup, TQ3Object theObject, TQ3Vector3D *translation )
{
TQ3TransformObject transform;
transform = Q3TranslateTransform_New(translation);
Q3Group_AddObject(theGroup, transform);
Q3Object_Dispose(transform);
return Q3Group_AddObject(theGroup, theObject);
}
//=============================================================================
// E3FFW_3DMF_Group : handle groups.
//-----------------------------------------------------------------------------
TQ3Status
E3FFW_3DMF_Group(TQ3ViewObject theView,
void *fileFormatPrivate,
TQ3GroupObject theGroup,
TQ3ObjectType objectType,
const void *objectData)
{
#pragma unused(objectType)
#pragma unused(objectData)
TQ3Status qd3dStatus;
TQ3GroupPosition position;
TQ3Object subObject;
TQ3DisplayGroupState groupState;
TQ3Boolean wroteReference;
if(Q3Group_GetType (theGroup) == kQ3GroupTypeDisplay){
Q3DisplayGroup_GetState (theGroup, &groupState);
if((groupState & kQ3DisplayGroupStateMaskIsWritten) != kQ3DisplayGroupStateMaskIsWritten)
return kQ3Success;
}
// submit the group start tag
qd3dStatus = e3ffw_3DMF_TraverseObject_CheckRef (theView,
(TE3FFormatW3DMF_Data*)fileFormatPrivate, theGroup,
Q3Object_GetLeafType (theGroup), theGroup->FindLeafInstanceData (), &wroteReference);
// If we actually wrote a reference instead of a group start tag, then we don't
// want to write contents and group end.
if (wroteReference == kQ3True)
{
return qd3dStatus;
}
// submit the group contents
for(Q3Group_GetFirstPosition (theGroup, &position);
(position != NULL) && (qd3dStatus == kQ3Success);
Q3Group_GetNextPosition (theGroup, &position))
{
qd3dStatus = Q3Group_GetPositionObject (theGroup, position, &subObject);
if(qd3dStatus != kQ3Success)
break;
qd3dStatus = Q3Object_Submit (subObject, theView);
Q3Object_Dispose (subObject);
}
// submit the group end tag
if(qd3dStatus == kQ3Success)
qd3dStatus = E3FFW_3DMF_TraverseObject (theView,
(TE3FFormatW3DMF_Data*)fileFormatPrivate, NULL, 0x656E6467 /* endg - EndGroup*/, NULL);
return(qd3dStatus);
}
//-------------------------------------------------------------------------------------------
// change the geometry of the object type with number num
McoStatus LogoWin2::ChangeGeometry (McoQ3DType type, long num)
{
TQ3Status status;
TQ3Object object = NULL;
TQ3GroupPosition position;
unsigned long triGridLibNum;
McoQ3DObject *gammutObj;
if (Document.fModel == nil)
return MCO_OBJECT_NOT_INITIALIZED;
status = Q3Group_GetFirstPositionOfType(Document.fModel, kQ3ShapeTypeGeometry, &position);
while (status == kQ3Success && position != nil)
{
gammutObj = getObject(object);
if (gammutObj->IsTypeNum(type,num))
{
status = Q3Group_GetNextPosition(Document.fModel, &position);
object = Q3Group_RemovePosition(Document.fModel, position);
Q3Object_Dispose(object);
removeObject(object);
object = NULL;
break;
}
Q3Group_GetNextPositionOfType(Document.fModel, kQ3ShapeTypeGeometry, &position);
}
object = NewPolyGCIELabRef();
//object = NewLogoObject();
if (object == NULL)
return MCO_FAILURE;
addObject(object,type,num);
if (position != nil) Q3Group_AddObjectBefore (Document.fModel, position, object);
else Q3Group_AddObject (Document.fModel, object);
AddResourceTextureToGroup( LW_TEXTURE, Document.fModel);
Q3Object_Dispose(object);
return MCO_SUCCESS;
}
TQ3Status MyDeleteView( DocumentPtr theDocument )
{
BOOL result;
TQ3Status aStatus = kQ3Success;
if( kQ3DrawContextTypePixmap == theDocument->drawcontextType)
{
result = DeleteObject(theDocument->fBitmap);
result = DeleteDC(theDocument->fMemoryDC);
}
Q3Object_Dispose(theDocument->fView);
return aStatus;
}
void QD3DSupport_DisposeDoc3DData( DocumentPtr theDocument)
{
TQ3Status status;
Q3Object_Dispose(theDocument->fView) ; /* the view for the scene */
Q3Object_Dispose(theDocument->fCamera) ; /* the camera for the scene */
Q3Object_Dispose(theDocument->fTrackGroup) ;
Q3Object_Dispose(theDocument->fGroundGroup) ;
Q3Object_Dispose(theDocument->fInterpolation) ; /* interpolation style used when rendering */
Q3Object_Dispose(theDocument->fBackFacing) ; /* whether to draw shapes that face away from the camera */
Q3Object_Dispose(theDocument->fFillStyle) ; /* whether drawn as solid filled object or decomposed to components */
Q3Object_Dispose(theDocument->fTrackShader) ; /* whether drawn as solid filled object or decomposed to components */
status = Q3Exit();
if ( status == kQ3Failure )
{
Utils_DisplayErrorMsg("QD3D Exit returned failure");
}
}
//=============================================================================
// QutTexture_CreateCompressedTextureFromPixmap : Create a QD3D compressed
// texture from a Pixmap.
//-----------------------------------------------------------------------------
TQ3ShaderObject
QutTexture_CreateCompressedTextureFromPixmap( PixMapHandle thePixMap,
TQ3PixelType pixelType,
TQ3Boolean wantMipMaps)
{
TQ3ShaderObject theShader = NULL;
TQ3TextureObject theTexture = NULL;
theTexture = QutTexture_CreateCompressedTextureObjectFromPixmap( thePixMap, pixelType, wantMipMaps ) ;
if ( theTexture != NULL)
{
theShader = Q3TextureShader_New( theTexture );
Q3Object_Dispose( theTexture );
}
return(theShader) ;
}
//=============================================================================
// QutTexture_CreateCompressedTextureFromFile : Create a QD3D compressed
// texture from a file.
//-----------------------------------------------------------------------------
TQ3ShaderObject
QutTexture_CreateCompressedTextureFromFile( const FSSpec * theFSSpec,
TQ3PixelType pixelType,
TQ3Boolean wantMipMaps)
{
TQ3TextureObject theTexture = NULL;
TQ3ShaderObject theShader = NULL;
theTexture = QutTexture_CreateCompressedTextureObjectFromFile( theFSSpec, pixelType, wantMipMaps ) ;
if ( theTexture != NULL)
{
theShader = Q3TextureShader_New( theTexture );
Q3Object_Dispose( theTexture );
}
return(theShader);
}
TQ3Status MyResizeView( DocumentPtr theDocument,unsigned long width, unsigned long height )
{
BOOL result;
TQ3Status aStatus = kQ3Success;
if( theDocument->fWidth == width &&
theDocument->fHeight == height )
return aStatus;
theDocument->fWidth = width;
theDocument->fHeight = height;
if( kQ3DrawContextTypePixmap == theDocument->drawcontextType)
{
Q3Object_Dispose(theDocument->fView);
result = DeleteObject(theDocument->fBitmap);
theDocument->fBitmap = NULL;
result = DeleteDC(theDocument->fMemoryDC);
theDocument->fMemoryDC = NULL;
theDocument->fView = MyNewView(theDocument);
}
return aStatus;
}
//-----------------------------------------------------------------------------
// QutTexture_CreateTextureFromTGAFile : Create texture shader from a TGA file.
//-----------------------------------------------------------------------------
TQ3ShaderObject
QutTexture_CreateTextureFromTGAFile( const char* inFilePath )
{
TQ3TextureObject qd3dTextureObject = NULL ;
TQ3ShaderObject qd3dTextureShader = NULL ;
// Create the texture
qd3dTextureObject = QutTexture_CreateTextureObjectFromTGAFile( inFilePath );
// Create the texture shader
if (qd3dTextureObject != NULL)
{
qd3dTextureShader = Q3TextureShader_New(qd3dTextureObject);
Q3Object_Dispose(qd3dTextureObject);
}
return(qd3dTextureShader);
}
TQ3TextureObject
QutTexture_CreateTextureObjectFromPixmap(PixMapHandle thePixMap,
TQ3PixelType pixelType,
TQ3Boolean wantMipMaps)
{ TQ3Uns32 x, y, theWidth, theHeight, rowBytes, pixelBytes;
TQ3TextureObject qd3dTextureObject = NULL;
TQ3StorageObject qd3dMemoryStorage;
TQ3StoragePixmap qd3dPixMap;
TQ3Mipmap qd3dMipMap;
UInt16 *pixelPtr;
UInt8 *baseAddr;
OSType pixelFormat;
TQ3Endian byteOrder;
// Get the details we need from the PixMap
NoPurgePixels(thePixMap);
LockPixels(thePixMap);
theWidth = (*thePixMap)->bounds.right - (*thePixMap)->bounds.left;
theHeight = (*thePixMap)->bounds.bottom - (*thePixMap)->bounds.top;
rowBytes = (*thePixMap)->rowBytes & 0x7FFF;
pixelBytes = (*thePixMap)->pixelSize / 8;
baseAddr = (UInt8 *) GetPixBaseAddr(thePixMap);
#if OLDPIXMAPSTRUCT
pixelFormat = 0;
#else
pixelFormat = (*thePixMap)->pixelFormat;
#endif
// If this is a 16 bit alpha channel texture, set the alpha bits.
// We assume that black is transparent.
if (pixelType == kQ3PixelTypeARGB16)
{
for (y = 0; y < theHeight; y++)
{
for (x = 0; x < theWidth; x++)
{
pixelPtr = (UInt16 *) (baseAddr + (y * rowBytes) + (x * 2));
if (*pixelPtr != 0x0000)
*pixelPtr |= (1 << 15);
}
}
}
// Set the byte order
if ( (pixelFormat == k32BGRAPixelFormat) ||
(pixelFormat == k16LE555PixelFormat) )
{
byteOrder = kQ3EndianLittle;
}
else
{
byteOrder = kQ3EndianBig;
}
// Create a storage object based on the GWorld
qd3dMemoryStorage = Q3MemoryStorage_New(baseAddr, theHeight * rowBytes);
if (qd3dMemoryStorage != NULL)
{
// Create the appropriate type of texture. Note that if mip-maps are
// required, we create a QD3D PixMap. This might seem back to front,
// but QD3D automatically creates mip-maps for PixMaps.
//
// If mip-maps are not required, we create a QD3D MipMap by hand and
// signal that we don't want any other mip-maps to be created.
//
// We need to work around a bug in Q3MipmapTexture_New: if the rowByte
// for the pixel exactly matches the size of each row, the texture is
// distorted - we can fix this by using Q3PixmapTexture_New instead.
if (wantMipMaps || (rowBytes == theWidth * pixelBytes))
{
// Create a PixMap from the GWorld data
qd3dPixMap.image = qd3dMemoryStorage;
qd3dPixMap.width = theWidth;
qd3dPixMap.height = theHeight;
qd3dPixMap.rowBytes = rowBytes;
qd3dPixMap.pixelSize = (pixelType == kQ3PixelTypeARGB32 || pixelType == kQ3PixelTypeRGB32) ? 32 : 16;
qd3dPixMap.pixelType = pixelType;
qd3dPixMap.bitOrder = byteOrder;
qd3dPixMap.byteOrder = byteOrder;
qd3dTextureObject = Q3PixmapTexture_New(&qd3dPixMap);
}
else
{
// Create a MipMap from the GWorld data
qd3dMipMap.image = qd3dMemoryStorage;
qd3dMipMap.useMipmapping = kQ3False;
qd3dMipMap.pixelType = pixelType;
qd3dMipMap.bitOrder = byteOrder;
qd3dMipMap.byteOrder = byteOrder;
qd3dMipMap.reserved = 0;
qd3dMipMap.mipmaps[0].width = theWidth;
qd3dMipMap.mipmaps[0].height = theHeight;
qd3dMipMap.mipmaps[0].rowBytes = rowBytes;
qd3dMipMap.mipmaps[0].offset = 0;
qd3dTextureObject = Q3MipmapTexture_New(&qd3dMipMap);
}
Q3Object_Dispose(qd3dMemoryStorage);
}
// Clean up and return
UnlockPixels(thePixMap);
return(qd3dTextureObject);
}
// Load a QD3D model object:
TQ3Object LoadModel(FileSpecifier& Spec)
{
// First create a file object and a storage object,
// and associate the storage object with the file object.
// MacOS / FSSpec version:
// modify as necessary for Quesa and SDL --
// Quesa has similar calls with the MacOS FSSpec being replaced by a Windows file handle
// and a Unix file path
TQ3StorageObject StorageObject = Q3FSSpecStorage_New(&Spec.GetSpec());
if (!StorageObject) return NULL;
TQ3FileObject FileObject = Q3File_New();
if (!FileObject)
{
Q3Object_Dispose(StorageObject);
return NULL;
}
Q3File_SetStorage(FileObject, StorageObject);
Q3Object_Dispose(StorageObject);
// Read in the model object
if (Q3File_OpenRead(FileObject, NULL) != kQ3Success)
{
Q3Object_Dispose(FileObject);
return NULL;
}
// Create a group for holding all the read-in objects
TQ3Object ModelObject = Q3DisplayGroup_New();
if (!ModelObject)
{
Q3Object_Dispose(FileObject);
return NULL;
}
// All at once: slurp in now and process later
while (Q3File_IsEndOfFile(FileObject) == kQ3False)
{
// Grab an object from the file
TQ3Object MemberObject = Q3File_ReadObject(FileObject);
if (!MemberObject)
continue;
// Only interested in renderable objects (no hints or comments or ...)
if (Q3Object_IsDrawable(MemberObject))
Q3Group_AddObject(ModelObject, MemberObject);
// Clean up
if (MemberObject)
Q3Object_Dispose(MemberObject);
}
// Done with the file object
Q3Object_Dispose(FileObject);
if (Q3Error_Get(NULL) != kQ3ErrorNone)
{
if (ModelObject)
Q3Object_Dispose(ModelObject);
return NULL;
}
// Finally!
return ModelObject;
}
// Returns whether the creation was a success
bool CreateTriangulator(void)
{
// No need to create it more than once
if (TriangulatorView) return true;
TriangulatorClass =
Q3XObjectHierarchy_RegisterClass(
kQ3SharedTypeRenderer,
&TriangulatorClassType,
"BG-Inspired Triangulator",
TriangulatorMetaHandler,
NULL, 0, 0);
if(!TriangulatorClass) return false;
if(!TriangulatorClassType) return false;
// Dummy draw context: a pixmap (image buffer) that is empty
TQ3PixmapDrawContextData PixmapContextData =
{
// drawContextData
{
kQ3ClearMethodWithColor,
{0,0,0,0},
{{0,0},{0,0}},
kQ3False,
NULL,
kQ3False,
kQ3True
},
// pixmap
{
NULL,
0,
0,
0,
32,
kQ3PixelTypeARGB32,
kQ3EndianBig,
kQ3EndianBig
}
};
TQ3DrawContextObject DrawContextObject = Q3PixmapDrawContext_New(&PixmapContextData);
if (!DrawContextObject) return false;
TQ3RendererObject RendererObject = Q3Renderer_NewFromType(TriangulatorClassType);
if (!RendererObject)
{
Q3Object_Dispose(DrawContextObject);
return false;
}
TriangulatorView = Q3View_New();
bool Success = TriangulatorView != NULL;
if(Success)
Success = (Q3View_SetDrawContext(TriangulatorView, DrawContextObject) == kQ3Success);
if(Success)
Success = (Q3View_SetRenderer(TriangulatorView, RendererObject) == kQ3Success);
// No longer needed
Q3Object_Dispose(DrawContextObject);
Q3Object_Dispose(RendererObject);
return Success;
}
static TQ3GroupObject QD3DSupport_GroundInit(TQ3ShaderObject groundShaderObject)
{
long i;
TQ3GeometryObject polygonObj = NULL;
TQ3GroupPosition myGroupPosition;
TQ3GroupObject groundGroup;
TQ3PolygonData polygonData;
TQ3Vertex3D vertices[kNumGrndTextureVertices] = {0,-3,GROUND_SIZE,nil,
GROUND_SIZE,-3,GROUND_SIZE,nil,
GROUND_SIZE,-3,-GROUND_SIZE,nil,
0,-3,-GROUND_SIZE,nil};
TQ3AttributeSet attribs[kNumGrndTextureVertices] = {NULL, NULL, NULL, NULL};
float ambient = 1.0F;
TQ3Param2D uv[kNumGrndTextureVertices] = {0,0,1,0,1,1,0,1};
if (groundShaderObject == NULL)
{
return NULL;
}
groundGroup = Q3OrderedDisplayGroup_New();
if (groundGroup == NULL)
{
return NULL;
}
/* ADD TEXTURE SHADER OBJECT TO GROUP */
myGroupPosition = Q3Group_AddObject(groundGroup, groundShaderObject);
if ( myGroupPosition == nil )
{
Utils_DisplayErrorMsg("Q3Group_AddObject failed!");
goto outOfMem;
}
Q3Object_Dispose(groundShaderObject);
/* CREATE VERTICES */
for (i=0; i < kNumGrndTextureVertices; i++)
{
attribs[i] = Q3AttributeSet_New();
if( attribs[i] == NULL )
{
Utils_DisplayErrorMsg("Attribute set creation failed!");
goto outOfMem;
}
Q3AttributeSet_Add(attribs[i], kQ3AttributeTypeShadingUV, &uv[i]);
vertices[i].attributeSet = attribs[i];
}
/* CREATE NEW POLYGON OBJECT */
polygonData.numVertices = kNumGrndTextureVertices;
polygonData.vertices = vertices;
polygonData.polygonAttributeSet = nil;
polygonObj = Q3Polygon_New(&polygonData);
if( polygonObj == NULL )
{
Utils_DisplayErrorMsg("Polygon_New failed!");
goto outOfMem;
}
for (i=0; i < kNumGrndTextureVertices; i++)
{
Q3Object_Dispose(attribs[i]);
attribs[i] = NULL;
}
myGroupPosition = Q3Group_AddObject(groundGroup, polygonObj);
Q3Object_Dispose(polygonObj);
if ( myGroupPosition == nil )
{
Utils_DisplayErrorMsg("Q3Group_AddObject failed!");
goto outOfMem;
}
/* Success! */
return groundGroup;
/* Error handling */
outOfMem:
if (groundGroup)
{
Q3Object_Dispose(groundGroup);
}
for (i=0; i < kNumGrndTextureVertices; i++)
{
if( attribs[i] )
{
Q3Object_Dispose(attribs[i]);
}
}
return NULL;
}
//-----------------------------------------------------------------------------
// QutTexture_CreateTextureObjectFromTGAFile : Create texture object from a TGA file.
//-----------------------------------------------------------------------------
TQ3TextureObject
QutTexture_CreateTextureObjectFromTGAFile( const char* inFilePath )
{
TQ3TextureObject theTexture = NULL;
FILE* theFile = NULL;
TGAHeader theHeader;
int numPixels, bytesPerPixel, n, i, j;
int oppositeRow, packetHeader, chunkSize, rowBytes;
TQ3Object memStorage = NULL;
unsigned char p[5];
unsigned char* theBuffer;
TQ3Uns32 bufferSize;
TQ3StoragePixmap thePixMap;
TQ3PixelType pixelType;
theFile = fopen( inFilePath, "rb" );
if (theFile != NULL)
{
// Read the file header.
theHeader.IDLength = fgetc( theFile );
theHeader.colorMapType = fgetc( theFile );
theHeader.dataTypeCode = fgetc( theFile );
theHeader.colorMapOrigin = qutTexture_read_littleendian_short( theFile );
theHeader.colorMapLength = qutTexture_read_littleendian_short( theFile );
theHeader.colorMapDepth = fgetc( theFile );
theHeader.x_origin = qutTexture_read_littleendian_short( theFile );
theHeader.y_origin = qutTexture_read_littleendian_short( theFile );
theHeader.width = qutTexture_read_littleendian_short( theFile );
theHeader.height = qutTexture_read_littleendian_short( theFile );
theHeader.bitsPerPixel = fgetc( theFile );
theHeader.imageDescriptor = fgetc( theFile );
// Check that the image format is one we can handle.
if (
(
(theHeader.dataTypeCode == kTGATypeColor) ||
(theHeader.dataTypeCode == kTGATypeColorRLE)
) &&
(
(theHeader.bitsPerPixel == 16) ||
(theHeader.bitsPerPixel == 24) ||
(theHeader.bitsPerPixel == 32)
) &&
(
(theHeader.colorMapType == 0) ||
(theHeader.colorMapType == 1)
) &&
! (feof(theFile) || ferror(theFile))
)
{
// Skip identification field, if any.
fseek( theFile, theHeader.IDLength, SEEK_CUR );
// Skip color map, if any.
fseek( theFile, theHeader.colorMapType * theHeader.colorMapLength, SEEK_CUR );
// Make a storage object to hold the pixels.
bytesPerPixel = theHeader.bitsPerPixel / 8;
numPixels = theHeader.width * theHeader.height;
bufferSize = numPixels * bytesPerPixel;
theBuffer = (unsigned char*) malloc( bufferSize );
if (theBuffer != NULL)
{
// Read the image.
n = 0;
while ( (n < numPixels) && (!feof(theFile)) && (!ferror(theFile)) )
{
if (theHeader.dataTypeCode == kTGATypeColor) // uncompressed
{
fread( theBuffer + n * bytesPerPixel, bytesPerPixel, 1, theFile );
++n;
}
else // RLE compressed
{
packetHeader = fgetc( theFile );
chunkSize = (packetHeader & 0x7F) + 1;
if (packetHeader & 0x80) // RLE chunk
{
fread( p, bytesPerPixel, 1, theFile );
for (i=0; i < chunkSize; ++i)
{
memcpy( theBuffer + n * bytesPerPixel, p, bytesPerPixel );
++n;
}
}
else // uncompressed chunk
{
fread( theBuffer + n * bytesPerPixel, bytesPerPixel, chunkSize, theFile );
n += chunkSize;
}
}
}
// We may need to flip the image into the usual top to bottom row order.
rowBytes = theHeader.width * bytesPerPixel;
if ( (theHeader.imageDescriptor & kTGADescTopToBottom) == 0)
{
for (i = 0; i < theHeader.height / 2; ++i)
{
oppositeRow = theHeader.height - i - 1;
for (j = 0; j < rowBytes; ++j)
{
unsigned char temp = theBuffer[ i * rowBytes + j ];
theBuffer[ i * rowBytes + j ] = theBuffer[ oppositeRow * rowBytes + j ];
theBuffer[ oppositeRow * rowBytes + j ] = temp;
}
}
}
// Set the pixel type
switch (bytesPerPixel)
{
case 2:
pixelType = kQ3PixelTypeRGB16;
break;
case 3:
pixelType = kQ3PixelTypeRGB24;
break;
default: // quiet an uninitialized-variable warning
case 4:
pixelType = kQ3PixelTypeARGB32;
// Typically TGA format uses non-premultiplied alpha,
// whereas Quesa usually expects premultiplied alpha, so
// we multiply here.
for (i = 0; i < theHeader.width * theHeader.height; ++i)
{
unsigned short a = theBuffer[i*4+3];
theBuffer[i*4] = (theBuffer[i*4]*a) / 255;
theBuffer[i*4+1] = (theBuffer[i*4+1]*a) / 255;
theBuffer[i*4+2] = (theBuffer[i*4+2]*a) / 255;
}
break;
}
#if TARGET_API_MAC_OS8
// QD3D on Mac does not support kQ3PixelTypeRGB24, and also appears to
// ignore the byte order, so we must convert to kQ3PixelTypeRGB32 in
// big-endian order.
if (pixelType == kQ3PixelTypeRGB24)
{
unsigned char* bigBuffer = malloc( numPixels * 4 );
if (bigBuffer != NULL)
{
pixelType = kQ3PixelTypeRGB32;
for (i = 0; i < numPixels; ++i)
{
bigBuffer[4*i + 3] = theBuffer[3*i];
bigBuffer[4*i + 2] = theBuffer[3*i + 1];
bigBuffer[4*i + 1] = theBuffer[3*i + 2];
}
bytesPerPixel = 4;
rowBytes = theHeader.width * bytesPerPixel;
bufferSize = numPixels * bytesPerPixel;
free( theBuffer );
theBuffer = bigBuffer;
}
}
#endif
// Create a memory storage object holding a copy of the buffer
memStorage = Q3MemoryStorage_New( theBuffer, bufferSize );
if (memStorage != NULL)
{
// Create the texture object
thePixMap.image = memStorage;
thePixMap.width = theHeader.width;
thePixMap.height = theHeader.height;
thePixMap.rowBytes = rowBytes;
thePixMap.pixelSize = bytesPerPixel * 8;
thePixMap.bitOrder = kQ3EndianLittle;
thePixMap.byteOrder = kQ3EndianLittle;
thePixMap.pixelType = pixelType;
theTexture = Q3PixmapTexture_New( &thePixMap );
Q3Object_Dispose( memStorage );
}
free( theBuffer );
}
}
fclose( theFile );
}
return theTexture;
}
TQ3GroupObject MyNewModel()
{
TQ3GroupObject myGroup = NULL;
TQ3GeometryObject myBox;
TQ3BoxData myBoxData;
TQ3ShaderObject myIlluminationShader ;
TQ3SetObject faces[6] ;
short face ;
// Create a group for the complete model.
// do not use Q3OrderedDisplayGroup_New since in this
// type of group all of the translations are applied before
// the objects in the group are drawn, in this instance we
// dont want this.
if ((myGroup = Q3DisplayGroup_New()) != NULL )
{
// Define a shading type for the group
// and add the shader to the group
myIlluminationShader = Q3PhongIllumination_New();
Q3Group_AddObject(myGroup, myIlluminationShader);
// set up the colored faces for the box data
myBoxData.faceAttributeSet = faces;
myBoxData.boxAttributeSet = NULL;
MyColorBoxFaces( &myBoxData ) ;
#define kBoxSide 0.8F
#define kBoxSidePlusGap 0.1F
// create the box itself
Q3Point3D_Set(&myBoxData.origin, 0.0F, 0.0F, 0.0F);
Q3Vector3D_Set(&myBoxData.orientation, 0.0F, kBoxSide, 0.0F);
Q3Vector3D_Set(&myBoxData.majorAxis, 0.0F, 0.0F, kBoxSide);
Q3Vector3D_Set(&myBoxData.minorAxis, kBoxSide, 0.0F, 0.0F);
myBox = Q3Box_New(&myBoxData);
#if 0 // one box
Q3Group_AddObject(myGroup, myBox);
#else // 4 boxes
{
TQ3Vector3D translation;
translation.x = 0.0F;
translation.y = kBoxSidePlusGap;
translation.z = 0.0F;
MyAddTransformedObjectToGroup( myGroup, myBox, &translation ) ;
translation.x = 2 * kBoxSide;
translation.y = kBoxSidePlusGap;
translation.z = 0.0F;
MyAddTransformedObjectToGroup( myGroup, myBox, &translation ) ;
translation.x = 0.0F;
translation.y = kBoxSidePlusGap;
translation.z = -2 * kBoxSide;
MyAddTransformedObjectToGroup( myGroup, myBox, &translation ) ;
translation.x = -2 * kBoxSide;
translation.y = kBoxSidePlusGap;
translation.z = 0.0F;
MyAddTransformedObjectToGroup( myGroup, myBox, &translation ) ;
}
#endif
for( face = 0; face < 6; face++) {
if( myBoxData.faceAttributeSet[face] != NULL )
Q3Object_Dispose(myBoxData.faceAttributeSet[face]);
}
if( myBox )
Q3Object_Dispose( myBox );
}
// dispose of the objects we created here
if( myIlluminationShader )
Q3Object_Dispose(myIlluminationShader);
// Done!
return ( myGroup );
}
TQ3GeometryObject LogoWin2::NewLogoObject(void)
{
TQ3GeometryObject geometryObject = NULL;
TQ3TriGridData data;
TQ3Vertex3D *vertices;
TQ3Vertex3D norms;
unsigned long i,j,k;
float uuValue, vvValue,
uuMin, uuMax, uuStep,
vvMin, vvMax, vvStep,
radius;
TQ3Boolean hasUVAttributes;
TQ3Param2D param2D;
TQ3ColorRGB color = { 0.0, 0.0, 0.0 };
double *gammutSurface;
double lab[4];
McoStatus status;
double x,y,z,X,Y,Z;
// uuValue is an angle used to revolve the cross section about the y axis
// vvValue is an angle used to generate each half circular cross section
uuMin = 0.0;
uuMax = 360.0;
vvMin = - 90.0;
vvMax = 90.0;
uuStep = 12.0;
vvStep = 12.0;
radius = 1.0;
// Setup TQ3TriGridData
data.numRows = (unsigned long) ((vvMax - vvMin) / vvStep) + 1;
data.numColumns = (unsigned long) ((uuMax - uuMin) / uuStep) + 1;
data.facetAttributeSet = NULL;
data.triGridAttributeSet= NULL;
data.vertices = (TQ3Vertex3D *) NewPtr (data.numRows * data.numColumns * sizeof(TQ3Vertex3D));
if (data.vertices == NULL) return NULL;
// Set trigrid vertices and shading UVs, if it hasUVAttributes
vertices = data.vertices;
i = 0;
for (vvValue = vvMin; vvValue <= vvMax; vvValue += vvStep)
{
for (uuValue = uuMax; uuValue >= uuMin; uuValue -= uuStep)
{
vertices[i].point.x = uMath_Cos_Deg(vvValue) * uMath_Cos_Deg(uuValue) * radius;
vertices[i].point.y = 1.5*uMath_Sin_Deg(vvValue) * radius;
vertices[i].point.z = uMath_Cos_Deg(vvValue) * uMath_Sin_Deg(uuValue) * radius;
param2D.u = 1.0 - ((uuValue - uuMin) / (uuMax - uuMin));
param2D.v = (vvValue - vvMin) / (vvMax - vvMin);
vertices[i].attributeSet = Q3AttributeSet_New();
Q3AttributeSet_Add(vertices[i].attributeSet, kQ3AttributeTypeShadingUV, ¶m2D);
norms.point.x = uMath_Cos_Deg(vvValue) * uMath_Cos_Deg(uuValue) * (radius+1);
norms.point.y = 1.5*uMath_Sin_Deg(vvValue)*(radius+1);
norms.point.z = uMath_Cos_Deg(vvValue) * uMath_Sin_Deg(uuValue) * (radius+1);
Q3AttributeSet_Add(vertices[i].attributeSet, kQ3AttributeTypeNormal, &norms);
i++;
}
}
geometryObject = Q3TriGrid_New (&data);
for (i = 0; i < data.numRows * data.numColumns; i++)
Q3Object_Dispose(vertices[i].attributeSet);
DisposePtr ((char *) vertices);
return geometryObject;
}
TQ3ViewObject MyNewView(DocumentPtr theDocument)
{
TQ3Status myStatus;
TQ3ViewObject myView;
TQ3DrawContextObject myDrawContext;
TQ3RendererObject myRenderer;
TQ3CameraObject myCamera;
TQ3GroupObject myLights;
myView = Q3View_New();
// Create and set draw context.
switch( theDocument->drawcontextType )
{
case kQ3DrawContextTypeWin32DC:
if ((myDrawContext = NewWin32DCDrawContext(theDocument)) == NULL )
goto bail;
break;
case kQ3DrawContextTypeDDSurface:
goto bail; /* TBD */
default:
case kQ3DrawContextTypePixmap:
if ((myDrawContext = NewPixmapDrawContext(theDocument, theDocument->fPixelFormat )) == NULL )
goto bail;
break;
}
if ((myStatus = Q3View_SetDrawContext(myView, myDrawContext)) == kQ3Failure )
goto bail;
Q3Object_Dispose( myDrawContext ) ;
// Create and set renderer.
switch( theDocument->rendererType )
{
case kQ3RendererTypeWireFrame: // this uses the wire frame renderer
myRenderer = Q3Renderer_NewFromType(kQ3RendererTypeWireFrame);
if ((myStatus = Q3View_SetRenderer(myView, myRenderer)) == kQ3Failure ) {
goto bail;
}
break;
default:
case kQ3RendererTypeInteractive: // this uses the interactive renderer
if ((myRenderer = Q3Renderer_NewFromType(kQ3RendererTypeInteractive)) != NULL ) {
if ((myStatus = Q3View_SetRenderer(myView, myRenderer)) == kQ3Failure ) {
goto bail;
}
// these two lines set us up to use the best possible renderer,
// including hardware if it is installed.
Q3InteractiveRenderer_SetDoubleBufferBypass (myRenderer, kQ3True);
Q3InteractiveRenderer_SetPreferences(myRenderer, kQAVendor_BestChoice, 0);
}
else {
goto bail;
}
break;
}
Q3Object_Dispose( myRenderer ) ;
// Create and set camera
if ( (myCamera = MyNewCamera(theDocument)) == NULL )
goto bail;
if ((myStatus = Q3View_SetCamera(myView, myCamera)) == kQ3Failure )
goto bail;
Q3Object_Dispose( myCamera ) ;
// Create and set lights
if ((myLights = MyNewLights()) == NULL )
goto bail;
if ((myStatus = Q3View_SetLightGroup(myView, myLights)) == kQ3Failure )
goto bail;
Q3Object_Dispose(myLights);
return ( myView );
bail:
// If any of the above failed, then don't return a view.
return ( NULL );
}
static TQ3ViewObject QD3DSupport_NewView(HWND theWindow)
#endif
{
TQ3Status myStatus;
TQ3ViewObject myView;
TQ3DrawContextObject myDrawContext;
TQ3RendererObject myRenderer;
TQ3GroupObject myLights;
TQ3CameraObject myCamera;
#if TARGET_OS_WIN32
RECT clientRect;
BOOL success;
#endif
myView = Q3View_New();
if (myView == nil)
{
goto bail;
}
// Create and set draw context.
if ((myDrawContext = QD3DSupport_NewDrawContext(theWindow)) == nil )
{
goto bail;
}
if ((myStatus = Q3View_SetDrawContext(myView, myDrawContext)) == kQ3Failure )
{
goto bail;
}
Q3Object_Dispose( myDrawContext ) ;
// Create and set renderer.
// this would use the Z-Buffer renderer
#if 0
myRenderer = Q3Renderer_NewFromType(kQ3RendererTypeWireFrame);
if ((myStatus = Q3View_SetRenderer(myView, myRenderer)) == kQ3Failure ) {
goto bail;
}
#else
// this would use the interactive software renderer
if ((myRenderer = Q3Renderer_NewFromType(kQ3RendererTypeInteractive)) != nil )
{
if ((myStatus = Q3View_SetRenderer(myView, myRenderer)) == kQ3Failure )
{
goto bail;
}
// these two lines set us up to use the best possible renderer,
// including hardware if it is installed.
Q3InteractiveRenderer_SetDoubleBufferBypass (myRenderer, kQ3True);
Q3InteractiveRenderer_SetPreferences(myRenderer, kQAVendor_BestChoice, 0);
}
else
{
goto bail;
}
#endif
Q3Object_Dispose( myRenderer ) ;
// Create and set camera.
#if TARGET_OS_MAC
if ( (myCamera = QD3DSupport_NewCamera((float) (theWindow->portRect.right - theWindow->portRect.left),
(float) (theWindow->portRect.bottom - theWindow->portRect.top))) == nil )
{
goto bail;
}
#else if TARGET_OS_WIN32
success = GetClientRect(theWindow, &clientRect);
if (success)
{
if ( (myCamera = QD3DSupport_NewCamera((float)RECT_WIDTH(clientRect), (float)RECT_HEIGHT(clientRect))) == nil )
{
goto bail;
}
}
else
{
goto bail;
}
#endif
if ((myStatus = Q3View_SetCamera(myView, myCamera)) == kQ3Failure )
{
goto bail;
}
Q3Object_Dispose( myCamera ) ;
// Create and set lights.
if ((myLights = QD3DSupport_NewLights()) == nil )
{
goto bail;
}
if ((myStatus = Q3View_SetLightGroup(myView, myLights)) == kQ3Failure )
{
goto bail;
}
Q3Object_Dispose(myLights);
// Done!!!
return ( myView );
bail:
// If any of the above failed, then don't return a view.
return ( nil );
}
TQ3GroupObject MyNewLights()
{
TQ3GroupPosition myGroupPosition;
TQ3GroupObject myLightList;
TQ3LightData myLightData;
TQ3PointLightData myPointLightData;
TQ3DirectionalLightData myDirectionalLightData;
TQ3LightObject myAmbientLight, myPointLight, myFillLight;
TQ3Point3D pointLocation = { -10.0F, 0.0F, 10.0F };
TQ3Vector3D fillDirection = { 10.0F, 0.0F, 10.0F };
TQ3ColorRGB WhiteLight = { 1.0F, 1.0F, 1.0F };
// Set up light data for ambient light. This light data will be used for point and fill
// light also.
myLightData.isOn = kQ3True;
myLightData.color = WhiteLight;
// Create ambient light.
myLightData.brightness = .25F;
myAmbientLight = Q3AmbientLight_New(&myLightData);
if ( myAmbientLight == NULL )
goto bail;
// Create point light.
myLightData.brightness = 1.0F;
myPointLightData.lightData = myLightData;
myPointLightData.castsShadows = kQ3False;
myPointLightData.attenuation = kQ3AttenuationTypeNone;
myPointLightData.location = pointLocation;
myPointLight = Q3PointLight_New(&myPointLightData);
if ( myPointLight == NULL )
goto bail;
// Create fill light.
myLightData.brightness = .3F;
myDirectionalLightData.lightData = myLightData;
myDirectionalLightData.castsShadows = kQ3False;
myDirectionalLightData.direction = fillDirection;
myFillLight = Q3DirectionalLight_New(&myDirectionalLightData);
if ( myFillLight == NULL )
goto bail;
// Create light group and add each of the lights into the group.
myLightList = Q3LightGroup_New();
if ( myLightList == NULL )
goto bail;
myGroupPosition = Q3Group_AddObject(myLightList, myAmbientLight);
if ( myGroupPosition == 0 )
goto bail;
myGroupPosition = Q3Group_AddObject(myLightList, myPointLight);
if ( myGroupPosition == 0 )
goto bail;
myGroupPosition = Q3Group_AddObject(myLightList, myFillLight);
if ( myGroupPosition == 0 )
goto bail;
Q3Object_Dispose( myAmbientLight ) ;
Q3Object_Dispose( myPointLight ) ;
Q3Object_Dispose( myFillLight ) ;
// Done!
return ( myLightList );
bail:
// If any of the above failed, then return nothing!
return ( NULL );
}
//=============================================================================
// e3ffw_3DMF_TraverseObject_CheckRef: Do the traverse.
//-----------------------------------------------------------------------------
// This is identical to E3FFW_3DMF_TraverseObject, except that it informs
// the caller whether it wrote a reference object.
// E3FFW_3DMF_Group needs to know.
//-----------------------------------------------------------------------------
static TQ3Status
e3ffw_3DMF_TraverseObject_CheckRef(TQ3ViewObject theView,
TE3FFormatW3DMF_Data *fileFormatPrivate,
TQ3Object theObject,
TQ3ObjectType objectType,
const void *objectData,
TQ3Boolean* wroteReference )
{ TQ3Status qd3dStatus = kQ3Success;
TQ3Object submittedObject;
TQ3ObjectType old_lastObjectType;
TQ3Object old_lastObject;
TQ3Uns32 old_lastTocIndex;
E3ClassInfoPtr theClass = NULL;
TQ3XObjectTraverseMethod traverse;
TQ3FileObject theFile = E3View_AccessFile (theView);
*wroteReference = kQ3False; // until further notice
old_lastTocIndex = fileFormatPrivate->lastTocIndex;
old_lastObject = fileFormatPrivate->lastObject;
old_lastObjectType = fileFormatPrivate->lastObjectType;
// fileFormatPrivate->lastObject = theObject; // called below since it can be substituted by a reference
fileFormatPrivate->lastObjectType = objectType;
fileFormatPrivate->lastTocIndex = kQ3ArrayIndexNULL;
submittedObject = theObject;
//find the object traverse method
if(theObject != NULL){
if(Q3Object_IsType(theObject, kQ3ObjectTypeShared))
{
if(e3ffw_3DMF_filter_in_toc(fileFormatPrivate, theObject, &submittedObject) != kQ3Success)
return (kQ3Failure);
}
// will add a reference to the object
// to retain the eventually made reference object
if(submittedObject != theObject)
{
fileFormatPrivate->lastObjectType = Q3Object_GetLeafType(submittedObject);
objectData = submittedObject->FindLeafInstanceData () ;
}
theClass = submittedObject->GetClass () ;
}
else
theClass = E3ClassTree::GetClass ( objectType ) ;
if (theClass == NULL)
goto exit;
traverse = (TQ3XObjectTraverseMethod)
theClass->GetMethod ( kQ3XMethodTypeObjectTraverse ) ;
if (traverse == NULL)
goto exit;
// mark our level
fileFormatPrivate->baseData.groupDeepCounter++;
fileFormatPrivate->lastObject = submittedObject;
// Call the method
qd3dStatus = traverse(submittedObject, (void*)objectData, theView);
// If this is a shape, submit any custom elements attached to it.
// This saves each shape traversal method from worrying about it.
if ( (qd3dStatus == kQ3Success) && (submittedObject != NULL) &&
Q3Object_IsType( submittedObject, kQ3SharedTypeShape ) )
{
qd3dStatus = E3Shape_SubmitElements( submittedObject, theView );
}
fileFormatPrivate->baseData.groupDeepCounter--;
if((fileFormatPrivate->baseData.groupDeepCounter == 0) && (qd3dStatus == kQ3Success)){ // we're again in the root object
if(fileFormatPrivate->stackCount != 0){
qd3dStatus = e3ffw_3DMF_write_objects (fileFormatPrivate,theFile);
// clean the stack
fileFormatPrivate->stackCount = 0;
Q3Memory_Free(&fileFormatPrivate->stack);
}
}
exit:
*wroteReference = (fileFormatPrivate->lastObjectType == kQ3ShapeTypeReference)? kQ3True : kQ3False;
fileFormatPrivate->lastObjectType = old_lastObjectType;
fileFormatPrivate->lastObject = old_lastObject;
fileFormatPrivate->lastTocIndex = old_lastTocIndex;
if(submittedObject != NULL && Q3Object_IsType(submittedObject, kQ3ObjectTypeShared))
{
// remove the reference made by e3ffw_3DMF_filter_in_toc
Q3Object_Dispose(submittedObject);
}
return (qd3dStatus);
}
TQ3Status
E3CompressedPixmapTexture_CompressImage(TQ3CompressedPixmap * compressedPixmap,
PixMapHandle sourcePixMap,
CodecType codecType,
CodecComponent codecComponent,
TQ3Int16 codedDepth,
CodecQ codecQuality)
{
// If we support QuickTime, compress the image
ImageDescriptionHandle imageDescH = NULL;
long maxCompressedSize = 0;
Handle compressedDataH = NULL;
Ptr compressedDataP = NULL;
OSErr theErr = noErr;
Rect bounds = (**sourcePixMap).bounds;
TQ3StorageObject compressedImage = NULL;
TQ3StorageObject imageDesc = NULL;
// Make sure QuickTime is present
if ((TQ3Uns32) EnterMovies == (TQ3Uns32) kUnresolvedCFragSymbolAddress)
return(kQ3Failure);
theErr = GetMaxCompressionSize( sourcePixMap,
&bounds,
codedDepth,
codecQuality,
codecType,
(CompressorComponent)codecComponent,
&maxCompressedSize);
if ( theErr != noErr )
{
// paramErr or noCodecErr
E3ErrorManager_PostError( kQ3ErrorInvalidParameter, kQ3False ) ;
// failure
return(kQ3Failure);
}
// allocate memory - we need to use Mac OS Handles for QuickTime
imageDescH = (ImageDescriptionHandle) NewHandle( 4 );
compressedDataH = NewHandle( maxCompressedSize );
if ( compressedDataH != NULL && imageDescH != NULL )
{
HLock(compressedDataH);
compressedDataP = *compressedDataH;
theErr = FCompressImage(sourcePixMap,
&bounds,
codedDepth,
codecQuality,
codecType,
(CompressorComponent) codecComponent,
NULL,
0,
0,
NULL,
NULL,
imageDescH,
compressedDataP);
if ( theErr != noErr )
{
// post error
if (MemError() != noErr)
E3ErrorManager_PostError( kQ3ErrorOutOfMemory , kQ3False ) ;
else
E3ErrorManager_PostError( kQ3ErrorInvalidParameter , kQ3False ) ;
//deallocate handle storage
DisposeHandle( (Handle)imageDescH);
DisposeHandle( compressedDataH);
// failure
return(kQ3Failure) ;
}
}
// otherwise we have a memory error
else
{
// deallocate handle storage
if (imageDescH)
DisposeHandle( (Handle)imageDescH);
if (compressedDataH)
DisposeHandle( compressedDataH);
// post error
E3ErrorManager_PostError( kQ3ErrorOutOfMemory , kQ3False ) ;
//failure
return( kQ3Failure) ;
}
if (imageDescH)
DisposeHandle( (Handle)imageDescH);
if (compressedDataH)
DisposeHandle( compressedDataH);
// lock the image desc handle
HLock( (Handle) imageDescH ) ;
// store the data in storage objects
compressedImage = Q3MemoryStorage_New( (unsigned char *) compressedDataP,
(TQ3Uns32) (**imageDescH).dataSize ) ;
imageDesc = Q3MemoryStorage_New( (unsigned char *) imageDescH,
(TQ3Uns32) (**imageDescH).idSize ) ;
// make sure memory was allocated
if( compressedImage == NULL && imageDesc == NULL )
{
if( compressedImage != NULL )
Q3Object_Dispose( compressedImage ) ;
if( imageDesc != NULL )
Q3Object_Dispose( imageDesc ) ;
// deallocate handle storage
DisposeHandle( (Handle) imageDescH ) ;
DisposeHandle( compressedDataH ) ;
// we don't need to post a memory error because it
// has already been done, return failure
return(kQ3Failure);
}
// store the data in the compressed pixmap structure
E3Shared_Acquire(&compressedPixmap->compressedImage, compressedImage);
E3Shared_Acquire(&compressedPixmap->imageDesc, imageDesc);
// NOTE: we do not fill out the other fields of the data structure,
// since this is the defined QD3D behaviour
// deallocate handle storage
DisposeHandle( (Handle) imageDescH ) ;
DisposeHandle( compressedDataH ) ;
return(kQ3Success) ;
}
bool LoadModel_QD3D(FileSpecifier& Spec, Model3D& Model)
{
// Clear out the final model object
Model.Clear();
// Test for QD3D/Quesa's presence and initialize it if not present
if (QD3D_Presence_Checked)
{
if (!QD3D_Present) return false;
}
else
{
QD3D_Presence_Checked = true;
// MacOS QD3D; modify this for Quesa as appropriate
if ((void*)Q3Initialize != (void*)kUnresolvedCFragSymbolAddress)
{
TQ3Status Success = Q3Initialize();
QD3D_Present = (Success == kQ3Success);
}
// Do additional setup;
// if the triangulator could not be created, then act as if
// QD3D/Quesa had not been loaded
if (QD3D_Present)
{
Q3Error_Register(QD3D_Error_Handler,0);
QD3D_Present = CreateTriangulator();
}
if (!QD3D_Present)
Q3Exit();
}
if (DBOut)
{
// Read buffer
const int BufferSize = 256;
char Buffer[BufferSize];
Spec.GetName(Buffer);
fprintf(DBOut,"Loading QuickDraw-3D model file %s\n",Buffer);
}
TQ3Object ModelObject = LoadModel(Spec);
if (!ModelObject) return false;
StartAccumulatingVertices();
if (Q3View_StartRendering(TriangulatorView) == kQ3Failure)
{
if (DBOut) fprintf(DBOut,"ERROR: couldn't start triangulation 'rendering'\n");
Q3Object_Dispose(ModelObject);
return false;
}
do
{
Q3SubdivisionStyle_Submit(&TesselationData, TriangulatorView);
if (Q3Object_Submit(ModelObject, TriangulatorView) == kQ3Failure)
{
if (DBOut) fprintf(DBOut,"ERROR: model could not be 'rendered'\n");
}
}
while (Q3View_EndRendering(TriangulatorView) == kQ3ViewStatusRetraverse);
// Done with the model
Q3Object_Dispose(ModelObject);
GetVerticesIntoModel(Model);
return !Model.Positions.empty();
}
void pvCamera_Fit(DocumentPtr theDocument)
{
TQ3Point3D from, to;
TQ3BoundingBox viewBBox;
float fieldOfView, hither, yon;
if (!theDocument)
return;
if (!theDocument->fModel)
return;
pvBBox_Get(theDocument, &viewBBox);
pvBBoxCenter(&viewBBox, &to);
{
TQ3Vector3D viewVector;
TQ3Vector3D normViewVector;
TQ3Vector3D eyeToFrontClip;
TQ3Vector3D eyeToBackClip;
TQ3Vector3D diagonalVector;
float viewDistance;
float maxDimension;
Q3Point3D_Subtract(&viewBBox.max,
&viewBBox.min,
&diagonalVector);
maxDimension = Q3Vector3D_Length(&diagonalVector);
if (maxDimension == 0.0F)
maxDimension = 1.0F;
maxDimension *= 8.0F / 7.0F;
from.x = to.x;
from.y = to.y;
from.z = to.z + (2 * maxDimension);
Q3Point3D_Subtract(&to, &from, &viewVector);
viewDistance = Q3Vector3D_Length(&viewVector);
Q3Vector3D_Normalize(&viewVector, &normViewVector);
maxDimension /= 2.0F;
Q3Vector3D_Scale(&normViewVector,
viewDistance - maxDimension,
&eyeToFrontClip);
Q3Vector3D_Scale(&normViewVector,
viewDistance + maxDimension,
&eyeToBackClip);
hither = Q3Vector3D_Length(&eyeToFrontClip);
yon = Q3Vector3D_Length(&eyeToBackClip);
fieldOfView = Q3Math_RadiansToDegrees(1.25 * ErMath_Atan(maxDimension/hither));
}
{
TQ3ViewAngleAspectCameraData data;
TQ3Vector3D up = { 0.0F, 1.0F, 0.0F };
data.cameraData.placement.cameraLocation = from;
data.cameraData.placement.pointOfInterest = to;
data.cameraData.placement.upVector = up;
data.cameraData.range.hither = hither;
data.cameraData.range.yon = yon;
data.cameraData.viewPort.origin.x = -1.0F;
data.cameraData.viewPort.origin.y = 1.0F;
data.cameraData.viewPort.width = 2.0F;
data.cameraData.viewPort.height = 2.0F;
data.fov = Q3Math_DegreesToRadians(fieldOfView);
{
float w = (float)(theDocument->fWidth);
float h = (float)(theDocument->fHeight);
data.aspectRatioXToY = w/h;
}
if (theDocument->fView)
{
TQ3CameraObject camera;
Q3View_GetCamera(theDocument->fView, &camera);
if (camera) {
Q3ViewAngleAspectCamera_SetData(camera, &data);
Q3Object_Dispose(camera);
}
else {
camera = Q3ViewAngleAspectCamera_New (&data);
if (camera) {
Q3View_SetCamera (theDocument->fView, camera);
Q3Object_Dispose(camera);
}
}
}
}
}
//=============================================================================
// Q3Pick_GetHitData : Compatibility function.
//-----------------------------------------------------------------------------
TQ3Status
Q3Pick_GetHitData(TQ3PickObject pickObject,
TQ3Uns32 theIndex,
void *hitData)
{
TQ3HitData *hitDataPtr = (TQ3HitData*)hitData ;
hitDataPtr->part = kQ3PickPartsObject ;
hitDataPtr->pickID = 0;
hitDataPtr->path.rootGroup = NULL;
hitDataPtr->path.depth = 0;
hitDataPtr->path.positions = NULL;
hitDataPtr->object = NULL;
Q3Matrix4x4_SetIdentity ( &hitDataPtr->localToWorldMatrix );
hitDataPtr->xyzPoint.x = 0;
hitDataPtr->xyzPoint.y = 0;
hitDataPtr->xyzPoint.z = 0;
hitDataPtr->distance = 0 ;
hitDataPtr->normal.x = 0;
hitDataPtr->normal.y = 0;
hitDataPtr->normal.z = 0;
hitDataPtr->shapePart = 0;
if ( Q3Pick_GetPickDetailValidMask ( pickObject , theIndex , &hitDataPtr->validMask ) == kQ3Failure )
return(kQ3Failure);
if ( hitDataPtr->validMask & kQ3PickDetailMaskPickID )
{
if ( Q3Pick_GetPickDetailData ( pickObject , theIndex , kQ3PickDetailMaskPickID , &hitDataPtr->pickID ) == kQ3Failure )
return(kQ3Failure);
}
if ( hitDataPtr->validMask & kQ3PickDetailMaskLocalToWorldMatrix )
{
if ( Q3Pick_GetPickDetailData ( pickObject , theIndex , kQ3PickDetailMaskLocalToWorldMatrix , &hitDataPtr->localToWorldMatrix ) == kQ3Failure )
return(kQ3Failure);
}
if ( hitDataPtr->validMask & kQ3PickDetailMaskXYZ )
{
if ( Q3Pick_GetPickDetailData ( pickObject , theIndex , kQ3PickDetailMaskXYZ , &hitDataPtr->xyzPoint ) == kQ3Failure )
return(kQ3Failure);
}
if ( hitDataPtr->validMask & kQ3PickDetailMaskDistance )
{
if ( Q3Pick_GetPickDetailData ( pickObject , theIndex , kQ3PickDetailMaskDistance , &hitDataPtr->distance ) == kQ3Failure )
return(kQ3Failure);
}
if ( hitDataPtr->validMask & kQ3PickDetailMaskNormal )
{
if ( Q3Pick_GetPickDetailData ( pickObject , theIndex , kQ3PickDetailMaskNormal , &hitDataPtr->normal ) == kQ3Failure )
return(kQ3Failure);
}
if ( hitDataPtr->validMask & kQ3PickDetailMaskShapePart )
{
if ( Q3Pick_GetPickDetailData ( pickObject , theIndex , kQ3PickDetailMaskShapePart , &hitDataPtr->shapePart ) == kQ3Failure )
return(kQ3Failure);
}
if ( hitDataPtr->validMask & kQ3PickDetailMaskObject )
{
if ( Q3Pick_GetPickDetailData ( pickObject , theIndex , kQ3PickDetailMaskObject , &hitDataPtr->object ) == kQ3Failure )
{
if ( hitDataPtr->shapePart )
{
Q3Object_Dispose ( hitDataPtr->shapePart ) ;
hitDataPtr->shapePart = NULL ;
}
return(kQ3Failure);
}
}
if ( hitDataPtr->validMask & kQ3PickDetailMaskPath )
{
if ( Q3Pick_GetPickDetailData ( pickObject , theIndex , kQ3PickDetailMaskPath , &hitDataPtr->path ) == kQ3Failure )
{
if ( hitDataPtr->shapePart )
{
Q3Object_Dispose ( hitDataPtr->shapePart ) ;
hitDataPtr->shapePart = NULL ;
}
if ( hitDataPtr->object )
{
Q3Object_Dispose ( hitDataPtr->object ) ;
hitDataPtr->object = NULL ;
}
return(kQ3Failure);
}
}
return(kQ3Success);
}
// build a polygon that is a CIELab refrence
TQ3GeometryObject LogoWin2::NewPolyGCIELabRef(void)
{
TQ3GeometryObject geometryObject = NULL;
//TQ3TriGridData ciepoly;
TQ3PolygonData ciepoly;
TQ3Vertex3D *vertices;
long i;
double Lxy[4];
double lab[4];
McoStatus state;
TQ3ColorRGB color = { 0.0, 0.0, 0.0 };
double big_ab,big_rgb;
TQ3Param2D param2D;
ciepoly.numVertices = NumCIExyzRef;
ciepoly.vertices = (TQ3Vertex3D *) NewPtr (NumCIExyzRef * sizeof(TQ3Vertex3D));
if (ciepoly.vertices == NULL) return NULL;
vertices = ciepoly.vertices;
ciepoly.polygonAttributeSet = NULL;
for (i=0; i<NumCIExyzRef; i++)
{
Lxy[0] = 50;
Lxy[1] = CIExyzRef2[i*4+1];
Lxy[2] = CIExyzRef2[i*4+2];
vertices[i].point.x = Lxy[1];
vertices[i].point.y = Lxy[2];
vertices[i].point.z = 0.5;
sxyztolab(Lxy,lab);
big_ab = bigger(fabs(lab[1]),fabs(lab[2]));
if (big_ab>127)
{
lab[1] = lab[1]*127/big_ab;
lab[2] = lab[2]*127/big_ab;
}
labtonxyzinplace(lab,1);
state = xyztorgb->compute(lab, monitor_z, 1);
if(state != MCO_SUCCESS)
return NULL;
big_rgb = bigger(lab[1],bigger(lab[2],lab[3]));
if (big_rgb>255)
{
lab[0] = lab[0]*255/big_rgb;
lab[1] = lab[1]*255/big_rgb;
lab[2] = lab[2]*255/big_rgb;
}
color.r = lab[0]/256;
color.g = lab[1]/256;
color.b = lab[2]/256;
vertices[i].attributeSet = Q3AttributeSet_New();
Q3AttributeSet_Add(vertices[i].attributeSet, kQ3AttributeTypeDiffuseColor, &color);
param2D.u = Lxy[1]*1.37;
param2D.v = Lxy[2]*1.1;
Q3AttributeSet_Add(vertices[i].attributeSet, kQ3AttributeTypeShadingUV, ¶m2D);
}
geometryObject = Q3Polygon_New(&ciepoly);
for (i = 0; i < NumCIExyzRef; i++)
Q3Object_Dispose(vertices[i].attributeSet);
DisposePtr ((char *) vertices);
return geometryObject;
}
