/*
MDIWndProc
*/
LRESULT CALLBACK MDIWndProc( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HANDLE hInfo;
PINFO pInfo;
MSG msg;
EventRecord macEvent;
LONG thePoints = GetMessagePos();
PAINTSTRUCT ps;
msg.hwnd = hwnd;
msg.message = message;
msg.wParam = wParam;
msg.lParam = lParam;
msg.time = GetMessageTime();
msg.pt.x = LOWORD(thePoints);
msg.pt.y = HIWORD(thePoints);
WinEventToMacEvent(&msg, &macEvent);
switch (message)
{
case WM_CREATE:
case WM_MDICREATE:
break;
case WM_DESTROY:
hInfo = (HANDLE)GetWindowLong(hwnd, GWL_USERDATA);
if (hInfo)
{
if ((pInfo = (PINFO)LocalLock(hInfo)) != NULL){
if (pInfo->gi)
// close the graphic import component
CloseComponent(pInfo->gi);
// Destroy our port association
DestroyPortAssociation((CGrafPort *)GetHWNDPort(pInfo->hwndChildWindow));
}
LocalUnlock(hInfo);
}
break;
// Draw our graphic
case WM_PAINT:
BeginPaint(hwnd, &ps);
hInfo = (HANDLE)GetWindowLong(hwnd, GWL_USERDATA);
if (hInfo)
{
if ((pInfo = (PINFO)LocalLock(hInfo)) != NULL)
GraphicsImportDraw(pInfo->gi);
LocalUnlock(hInfo);
}
EndPaint(hwnd, &ps);
break;
default:
return DefMDIChildProc(hwnd, message, wParam, lParam);
}
return DefMDIChildProc(hwnd, message, wParam, lParam);
}
void DrawImage( void )
{
OSErr err = noErr;
Handle hOpenTypeList = NewHandle(0);
long numTypes = 0;
FSSpec theFSSpec;
Rect bounds;
GraphicsImportComponent importer = 0;
BuildGraphicsImporterValidFileTypes( hOpenTypeList, &numTypes );
HLock( hOpenTypeList );
err = GetOneFileWithPreview(numTypes, (OSTypePtr)*hOpenTypeList, &theFSSpec, NULL);
DisposeHandle( hOpenTypeList );
if ( err ) return;
// locate and open a graphics importer component which can be used to draw the
// selected file. If a suitable importer is not found the ComponentInstance
// is set to NULL.
err = GetGraphicsImporterForFile( &theFSSpec, // specifies the file to be drawn
&importer ); // pointer to the returned GraphicsImporterComponent
// get the native size of the image associated with the importer
err = GraphicsImportGetNaturalBounds( importer, // importer instance
&bounds ); // returned bounds
OffsetRect( &bounds, 10, 45 );
window = NewCWindow( NULL, &bounds, "\pDraw Image", true, documentProc, (WindowPtr)-1, true, 0);
// set the graphics port for drawing
err = GraphicsImportSetGWorld( importer, // importer instance
GetWindowPort( window ), // destination graphics port or GWorld
NULL ); // destination GDevice, set to NULL uses GWorlds device
// draw the image
err = GraphicsImportDraw( importer );
// close the importer instance
CloseComponent( importer );
}
// I let Quicktime handle image import since it supports most popular
// image formats such as:
// *.psd, *.bmp, *.tif, *.png, *.jpg, *.gif, *.pct, *.pcx
//------------------------------------------------------------------------
bool pixel_map::load_from_qt(const char *filename)
{
FSSpec fss;
OSErr err;
// get file specification to application directory
err = HGetVol(nil, &fss.vRefNum, &fss.parID);
if (err == noErr)
{
CopyCStringToPascal(filename, fss.name);
GraphicsImportComponent gi;
err = GetGraphicsImporterForFile (&fss, &gi);
if (err == noErr)
{
ImageDescriptionHandle desc;
GraphicsImportGetImageDescription(gi, &desc);
// For simplicity, all images are currently converted to 32 bit.
// create an empty pixelmap
short depth = 32;
create ((**desc).width, (**desc).height, (org_e)depth, 0xff);
DisposeHandle ((Handle)desc);
// let Quicktime draw to pixelmap
GraphicsImportSetGWorld(gi, m_pmap, nil);
GraphicsImportDraw(gi);
// Well, this is a hack. The graphics importer sets the alpha channel of the pixelmap to 0x00
// for imported images without alpha channel but this would cause agg to draw an invisible image.
// set alpha channel to 0xff
unsigned char * buf = m_buf;
for (unsigned int size = 0; size < m_img_size; size += 4)
{
*buf = 0xff;
buf += 4;
}
}
}
return err == noErr;
}
GLuint texture_load(const char *filename)
{
FSSpec fss;
ComponentInstance gi;
Rect rect;
GWorldPtr world;
int width;
int height;
int pitch;
unsigned char *buffer;
GLuint id;
NativePathNameToFSSpec(filename, &fss);
GetGraphicsImporterForFile(&fss, &gi);
GraphicsImportGetNaturalBounds(gi, &rect);
width = rect.right;
height = rect.bottom;
pitch = width * 4;
buffer = malloc(pitch * height);
QTNewGWorldFromPtr(&world, k32ARGBPixelFormat, &rect, NULL, NULL, 0,
buffer, pitch);
GraphicsImportSetGWorld(gi, world, NULL);
GraphicsImportDraw(gi);
DisposeGWorld(world);
CloseComponent(gi);
id = texture_load_data(buffer, width, height,
4, -pitch,
GL_RGBA, ARGB_FORMAT, ARGB_TYPE);
free(buffer);
return id;
}
osg::Image* QuicktimeImportExport::doImport(unsigned char* data, unsigned int sizeData, const std::string& fileTypeHint)
{
GWorldPtr gworld = 0;
OSType pixelFormat;
int rowStride;
GraphicsImportComponent gicomp = 0;
Rect rectImage;
GDHandle origDevice = 0;
CGrafPtr origPort = 0;
ImageDescriptionHandle desc = 0;
int depth = 32;
unsigned int xsize, ysize;
unsigned char* imageData = 0;
// Data Handle for file data ( & load data from file )
Handle dataRef = getPtrDataRef(data, sizeData, fileTypeHint);
try {
OSErr err = noErr;
// GraphicsImporter - Get Importer for our filetype
GetGraphicsImporterForDataRef(dataRef, 'ptr ', &gicomp);
// GWorld - Get Texture Info
err = GraphicsImportGetNaturalBounds(gicomp, &rectImage);
if (err != noErr) {
throw QTImportExportException(err, "GraphicsImportGetNaturalBounds failed");
}
xsize = (unsigned int)(rectImage.right - rectImage.left);
ysize = (unsigned int)(rectImage.bottom - rectImage.top);
// ImageDescription - Get Image Description
err = GraphicsImportGetImageDescription(gicomp, &desc);
if (err != noErr) {
throw QTImportExportException(err, "GraphicsImportGetImageDescription failed");
}
// ImageDescription - Get Bit Depth
HLock(reinterpret_cast<char **>(desc));
// GWorld - Pixel Format stuff
pixelFormat = k32ARGBPixelFormat; // Make sure its forced...NOTE: i'm pretty sure this cannot be RGBA!
// GWorld - Row stride
rowStride = xsize * 4; // (width * depth_bpp / 8)
// GWorld - Allocate output buffer
imageData = new unsigned char[rowStride * ysize];
// GWorld - Actually Create IT!
QTNewGWorldFromPtr(&gworld, pixelFormat, &rectImage, 0, 0, 0, imageData, rowStride);
if (!gworld) {
throw QTImportExportException(-1, "QTNewGWorldFromPtr failed");
}
// Save old Graphics Device and Graphics Port to reset to later
GetGWorld (&origPort, &origDevice);
// GraphicsImporter - Set Destination GWorld (our buffer)
err = GraphicsImportSetGWorld(gicomp, gworld, 0);
if (err != noErr) {
throw QTImportExportException(err, "GraphicsImportSetGWorld failed");
}
// GraphicsImporter - Set Quality Level
err = GraphicsImportSetQuality(gicomp, codecLosslessQuality);
if (err != noErr) {
throw QTImportExportException(err, "GraphicsImportSetQuality failed");
}
// Lock pixels so that we can draw to our memory texture
if (!GetGWorldPixMap(gworld) || !LockPixels(GetGWorldPixMap(gworld))) {
throw QTImportExportException(0, "GetGWorldPixMap failed");
}
//*** Draw GWorld into our Memory Texture!
GraphicsImportDraw(gicomp);
// Clean up
UnlockPixels(GetGWorldPixMap(gworld));
SetGWorld(origPort, origDevice); // set graphics port to offscreen (we don't need it now)
DisposeGWorld(gworld);
CloseComponent(gicomp);
DisposeHandle(reinterpret_cast<char **>(desc));
DisposeHandle(dataRef);
}
catch (QTImportExportException& e)
{
setError(e.what());
if (gworld) {
UnlockPixels(GetGWorldPixMap(gworld));
SetGWorld(origPort, origDevice); // set graphics port to offscreen (we don't need it now)
DisposeGWorld(gworld);
}
if (gicomp)
CloseComponent(gicomp);
if (desc)
DisposeHandle(reinterpret_cast<char **>(desc));
if (imageData)
delete[] imageData;
if (dataRef)
DisposeHandle(dataRef);
return NULL;
}
unsigned int bytesPerPixel = depth / 8;
unsigned int glpixelFormat;
switch(bytesPerPixel) {
case 3 :
glpixelFormat = GL_RGB;
break;
case 4 :
glpixelFormat = GL_RGBA;
break;
default :
delete[] imageData;
setError("unknown pixelformat");
return NULL;
break;
}
unsigned char* swizzled = pepareBufferForOSG(imageData, bytesPerPixel, xsize, ysize);
delete[] imageData;
osg::Image* image = new osg::Image();
image->setFileName(fileTypeHint.c_str());
image->setImage(xsize,ysize,1,
bytesPerPixel,
glpixelFormat,
GL_UNSIGNED_BYTE,
swizzled,
osg::Image::USE_NEW_DELETE );
return image;
}
void DisplayJPEGAndDisposeHandle( Handle imageData )
{
OSErr err;
Rect naturalBounds;
MatrixRecord matrix;
SInt32 gapH, gapV;
Fixed scaleH, scaleV;
Rect boundsRect;
GraphicsImportComponent grip;
Rect windowPortRect;
static char gifSentinel[] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF};
static char jpegSentinel[] = {0xFF,0xD9,0xFF,0xD9,0xFF,0xD9,0xFF,0xD9,0xFF,0xD9,0xFF,0xD9,0xFF,0xD9,0xFF,0xD9};
Ptr sentinel;
Size sentinelSize;
if( !imageData )
{
ofLogNotice() << "NO IMAGE DATA" << endl;
} else {
ofImage image;
//ofPixels pixels();
//pixels = imageData;
//image.setFromPixels((const unsigned char *)imageData);
//string image
//image.saveImage(ofToDataPath(ofGetTimestampString()+".jpg", OF_IMAGE_QUALITY_BEST));
ofLogError() << "WE HAVE DATA!" << endl;
}
return;
again:
ofLogError() << "Again called";
if( 'G' == **imageData ) {
grip = gripG;
// for GIF:
// FF FF FF FF will ensure that the bit parser aborts, since you can't
// have two consecutive all-ones symbols in the LZW codestream --
// you can sometimes have one (say, a 9-bit code), but after consuming
// it the code width increases (so we're now using 10-bit codes)
// and the all-ones code won't be valid for a while yet.
sentinel = gifSentinel;
sentinelSize = sizeof(gifSentinel);
}
else {
grip = gripJ;
// for JPEG:
// FF D9 FF D9 will ensure (a) that the bit-parser aborts, since FF D9
// is an "unstuffed" FF and hence illegal in the entropy-coded datastream,
// and (b) be long enough to stop overreads.
sentinel = jpegSentinel;
sentinelSize = sizeof(jpegSentinel);
}
//•• add sentinel pattern to the end of the handle.
err = PtrAndHand( sentinel, imageData, sentinelSize );
err = GraphicsImportSetDataHandle( grip, imageData );
if( err )
{
ofLogNotice() << "GraphicsImportSetDataHandle Error" << endl;
goto bail;
}
err = GraphicsImportGetNaturalBounds( grip, &naturalBounds );
if( err )
{
ofLogNotice() << "GraphicsImportGetNaturalBounds Error" << endl;
goto bail;
}
//GetPortBounds( GetWindowPort( window ), &windowPortRect );
gapH = windowPortRect.right - naturalBounds.right;
gapV = windowPortRect.bottom - naturalBounds.bottom;
if( gapH >= 0 ) {
gapH = ((UInt16)Random()) % gapH;
scaleH = fixed1;
}
else {
gapH = 0;
scaleH = FixDiv( windowPortRect.right, naturalBounds.right );
}
if( gapV >= 0 ) {
gapV = ((UInt16)Random()) % gapV;
scaleV = fixed1;
}
else {
gapV = 0;
scaleV = FixDiv( windowPortRect.bottom, naturalBounds.bottom );
}
// need to use smaller scale of the two, and then recalc the other gap.
if( scaleH > scaleV ) {
scaleH = scaleV;
gapH = windowPortRect.right - FixMul(scaleH, naturalBounds.right);
gapH = ((UInt16)Random()) % gapH;
} else if( scaleH < scaleV ) {
scaleV = scaleH;
gapV = windowPortRect.bottom - FixMul(scaleV, naturalBounds.bottom);
gapV = ((UInt16)Random()) % gapV;
}
SetIdentityMatrix( &matrix );
ScaleMatrix( &matrix, scaleH, scaleV, 0, 0 );
TranslateMatrix( &matrix, gapH<<16, gapV<<16 );
err = GraphicsImportSetMatrix( grip, &matrix );
if( err ) goto bail;
err = GraphicsImportDraw( grip );
if( err ) goto bail;
err = GraphicsImportGetBoundsRect( grip, &boundsRect );
if( err ) goto bail;
InsetRect( &boundsRect, -1, -1 );
//SetPortWindowPort( window );
FrameRect( &boundsRect );
if( scanForAnotherImageMarker(imageData))
{
ofLogError() << "again: scanForAnotherImageMarker" << endl;
goto again;
}
bail:
DisposeHandle( imageData );
//gDrewJPEG = true;
}
GLuint platformLoadTextureFile(string theFilename, bool generateMipmaps, int *width, int *height)
{
#ifdef QuickTimeInstalled
GLuint textureName; // the "name" by which OpenGL knows the texture
unsigned char *pImageBuffer; // the buffer that contains the image data
GWorldPtr pGWorld; // a gworld to load the image into
int imageDepth;
FSSpec fsspecImage; // FSSpec of the image to load
#ifdef __APPLE__
CFURLRef imageURL;
FSRef imagefsRef;
#endif
OSStatus err = noErr; // err return value
long rowStride; // length, in bytes, of a pixel row in the image
GraphicsImportComponent giComp; // component for importing image
MatrixRecord matrix;
Rect rectImage; // rectangle of source image
PixMapHandle hPixMap; // handle to image pix map
ImageDescriptionHandle hImageDesc; // handle to image description used to get image depth
long imageWidth;
long imageHeight;
float imageAspect;
long textureWidth;
long textureHeight;
// get the full path to the texture file
string fileLocation;
fileLocation = pathToResourceDirectory() + theFilename;
#ifdef __APPLE__
// create a URL to the file from the C string
imageURL = CFURLCreateWithBytes (kCFAllocatorDefault, (UInt8 *)fileLocation.c_str(), fileLocation.length(), kCFStringEncodingASCII, NULL);
if (imageURL == NULL)
{
cout << "error getting URL for image file (image file may not exist): " << theFilename << endl;
return 0;
}
// get a FSRef from the URL
if (!CFURLGetFSRef(imageURL, &imagefsRef))
{
cout << "error getting FSRef for image file:: " << theFilename << endl;
CFRelease(imageURL);
return 0;
}
// get the FSSpec from the FSRef
if (FSGetCatalogInfo (&imagefsRef, kFSCatInfoNone, NULL, NULL, &fsspecImage, NULL))
{
cout << "error getting FSSpec for image file: " << theFilename << endl;
CFRelease(imageURL);
return 0;
}
// release the URL (not needed any more)
CFRelease(imageURL);
#endif
#ifdef _WIN32
// get an FSSpec from the pathname
if (NativePathNameToFSSpec ((char *)fileLocation.c_str(), &fsspecImage, kErrorIfFileNotFound))
{
cout << "error getting FSSpec for image file: " << fileLocation << endl;
return 0;
}
#endif
// save the onscreen graphics port
GDHandle origDevice;
CGrafPtr origPort;
GetGWorld (&origPort, &origDevice);
// get an importer for the file
err = GetGraphicsImporterForFileWithFlags (&fsspecImage, &giComp, kDontUseValidateToFindGraphicsImporter);
if (err != noErr) return 0;
// get the image bounds
err = GraphicsImportGetNaturalBounds (giComp, &rectImage);
if (err != noErr) return 0;
// create a handle for the image description and lock it
hImageDesc = (ImageDescriptionHandle) NewHandle (sizeof (ImageDescriptionHandle));
HLock ((Handle) hImageDesc);
// retrieve the image description
err = GraphicsImportGetImageDescription (giComp, &hImageDesc);
if (err != noErr) return 0;
// find width and height
imageWidth = (int) (rectImage.right - rectImage.left);
imageHeight = (int) (rectImage.bottom - rectImage.top);
// now calculate the aspect ratio (width/height), used to restore image correctly
imageAspect = ((float) imageWidth) / ((float) imageHeight);
// get the image's pixel depth
imageDepth = (**hImageDesc).depth;
// find nearest acceptable texture size (width and height) for the image
textureWidth = GetTextureDimFromImageDim (imageWidth);
textureHeight = GetTextureDimFromImageDim (imageHeight);
// pass the optimised (and scaled) size back out to the caller
*width = textureWidth;
*height = textureHeight;
// set texture rectangle for creation of GWorld
#ifdef __APPLE__
SetRect (&rectImage, 0, 0, (int) textureWidth, (int) textureHeight);
#endif
#ifdef _WIN32
MacSetRect (&rectImage, 0, 0, (int) textureWidth, (int) textureHeight);
#endif
// set stride in bytes width of image * 4 bytes per pixel
rowStride = textureWidth * 4;
// build new buffer exact size of image (stride * height)
pImageBuffer = (unsigned char *) NewPtr (rowStride * textureHeight);
// check we got the buffer we wanted
if (pImageBuffer == NULL)
{
// failed - release the component and return an error
CloseComponent(giComp);
return 0;
}
// create a new gworld using our unpadded buffer, setting the pixel type correctly for the expected image depth
#ifdef __BIG_ENDIAN__
QTNewGWorldFromPtr (&(pGWorld), k32ARGBPixelFormat, &rectImage, NULL, NULL, 0, pImageBuffer, rowStride);
#else
QTNewGWorldFromPtr (&(pGWorld), k32RGBAPixelFormat, &rectImage, NULL, NULL, 0, pImageBuffer, rowStride);
#endif
// could we allocate the GWorld?
if (pGWorld == NULL)
{
// failed - release the buffer, component and return an error
DisposePtr ((Ptr) pImageBuffer);
CloseComponent(giComp);
return 0;
}
// build a transformation matrix to scale the image to the texture size
// this also flips the image horizontally, so that texture coordinates map correctly
float horizontalScale = (float) textureWidth / (float) imageWidth;
float verticalScale = (float) textureHeight / (float) imageHeight;
SetIdentityMatrix (&matrix);
ScaleMatrix (&matrix, X2Fix(horizontalScale), X2Fix(-verticalScale), 0, 0);
TranslateMatrix (&matrix, 0, X2Fix((float)textureHeight));
// set the matrix as the importer matrix
err = GraphicsImportSetMatrix(giComp, &matrix);
// set the destination of the importer component
if (err == noErr) err = GraphicsImportSetGWorld (giComp, pGWorld, NULL);
// ensure lossless decompression (if the CODEC supports this)
if (err == noErr) err = GraphicsImportSetQuality(giComp, codecLosslessQuality);
if (err != noErr)
{
// failed - release the GWorld, buffer, component and return an error
DisposeGWorld (pGWorld);
DisposePtr ((Ptr) pImageBuffer);
CloseComponent(giComp);
return 0;
}
// get the address of the GWorld's pixmap
hPixMap = GetGWorldPixMap (pGWorld);
// if everything looks good draw the image to the locked pixmap
if ((hPixMap) && (LockPixels (hPixMap)))
GraphicsImportDraw (giComp);
else
{
// the pixmap doesn't exist, or we couldn't lock it
// release the GWorld, buffer, component and return an error
DisposeGWorld (pGWorld);
DisposePtr ((Ptr) pImageBuffer);
CloseComponent(giComp);
return 0;
}
// for images without an alpha channel, initialise the alpha bytes since QuickTime won't
if (imageDepth < 32)
{
#ifdef __BIG_ENDIAN__
for( unsigned char *p = pImageBuffer; p < pImageBuffer + (rowStride * textureHeight); p+=4)
*p = 0xFF;
#else
for( unsigned char *p = pImageBuffer+3; p < pImageBuffer + (rowStride * textureHeight) +3; p+=4)
*p = 0xFF;
#endif
}
// unlock the pixmap
UnlockPixels (hPixMap);
// dump the component
CloseComponent(giComp);
// set image width in groups (pixels), accounts for border this ensures proper image alignment row to row
glPixelStorei (GL_UNPACK_ROW_LENGTH, textureWidth);
// generate a "name" for the texture
glGenTextures (1, &textureName);
// create the texture in OpenGL
glBindTexture(GL_TEXTURE_2D, textureName);
// tell OpenGL about the texture and have GLU build mipmaps
#ifdef __BIG_ENDIAN__
glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, textureWidth, textureHeight, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, pImageBuffer);
#else
glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, textureWidth, textureHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, pImageBuffer);
#endif
if (generateMipmaps)
#ifdef __BIG_ENDIAN__
if (gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, textureWidth, textureHeight, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, pImageBuffer) != 0)
#else
if (gluBuild2DMipmaps(GL_TEXTURE_2D, GL_RGBA, textureWidth, textureHeight, GL_RGBA, GL_UNSIGNED_BYTE, pImageBuffer) != 0)
#endif
// good time to check for errors?
openGLCheckError();
// finished with the GWorld but not the image buffer (it's used by OpenGL as the "live" image buffer)
DisposeGWorld (pGWorld);
// restore the current graphics port we saved earlier
SetGWorld(origPort, origDevice);
// all done - return the texture name
return textureName;
#endif // QuickTimeInstalled
}
//=============================================================================
// QutTexture_CreateGWorldFromFile : Create a GWorld from a file.
//-----------------------------------------------------------------------------
GWorldPtr
QutTexture_CreateGWorldFromFile(const FSSpec *theFSSpec, TQ3PixelType pixelType)
{ CTabHandle colourTableHnd;
ImageDescriptionHandle imageDescHnd;
ComponentInstance theImporter;
GWorldPtr theGWorld;
TQ3Uns32 theDepth;
Rect theRect;
OSErr theErr;
// Initialise ourselves
theImporter = NULL;
theGWorld = NULL;
imageDescHnd = NULL;
colourTableHnd = NULL;
theDepth = (pixelType == kQ3PixelTypeARGB16 || pixelType == kQ3PixelTypeRGB16) ? 16 : 32;
// Create the importer
theErr = GetGraphicsImporterForFile(theFSSpec, &theImporter);
// Query the importer for the information we need
if (theErr == noErr)
{
GraphicsImportGetBoundsRect(theImporter, &theRect);
theErr = GraphicsImportGetImageDescription(theImporter, &imageDescHnd);
if (theErr == noErr)
theErr = GetImageDescriptionCTable(imageDescHnd, &colourTableHnd);
}
// Create the GWorld
if (theErr == noErr)
theErr = NewGWorld(&theGWorld, theDepth, &theRect, colourTableHnd, NULL,
useTempMem | kQ3NativeEndianPixMap );
// Draw the image into the GWorld
if (theErr == noErr)
{
GraphicsImportSetGWorld(theImporter, theGWorld, NULL);
GraphicsImportDraw(theImporter);
}
// Clean up
if (theImporter != NULL)
CloseComponent(theImporter);
if (imageDescHnd != NULL)
DisposeHandle((Handle) imageDescHnd);
if (colourTableHnd != NULL)
DisposeCTable(colourTableHnd);
return(theGWorld);
}
static void QTDR_DrawFrame (short theTrackWidth, short theTrackHeight, long theNumSample, GWorldPtr theGWorld)
{
Handle myHandle = NULL;
char myData[kPICTFileHeaderSize];
static PicHandle myPicture = NULL;
static GWorldPtr myGWorld = NULL;
static GraphicsImportComponent myImporter = NULL;
Rect myRect;
RGBColor myColor;
ComponentResult myErr = noErr;
MacSetRect(&myRect, 0, 0, theTrackWidth, theTrackHeight);
if (myPicture == NULL) {
myErr = NewGWorld(&myGWorld, kPixelDepth, &myRect, NULL, NULL, (GWorldFlags)0);
if (myErr != noErr)
goto bail;
// read a picture from our resource file
myPicture = GetPicture(kPictureID);
if (myPicture == NULL)
goto bail;
// use Munger to prepend a 512-byte header onto the picture data; this converts the PICT
// resource data into in-memory PICT file data (see Ice Floe 14 for an explanation of this)
myHandle = (Handle)myPicture;
Munger(myHandle, 0, NULL, 0, myData, kPICTFileHeaderSize);
// get a graphics importer for the picture
myErr = OpenADefaultComponent(GraphicsImporterComponentType, kQTFileTypePicture, &myImporter);
if (myErr != noErr)
goto bail;
// configure the graphics importer
myErr = GraphicsImportSetGWorld(myImporter, myGWorld, NULL);
if (myErr != noErr)
goto bail;
myErr = GraphicsImportSetDataHandle(myImporter, myHandle);
if (myErr != noErr)
goto bail;
myErr = GraphicsImportSetBoundsRect(myImporter, &myRect);
if (myErr != noErr)
goto bail;
// draw the picture into the source GWorld
myErr = GraphicsImportDraw(myImporter);
if (myErr != noErr)
goto bail;
}
// set the blend amount (0 = fully transparent; 0xffff = fully opaque)
myColor.red = (theNumSample - 1) * (0xffff / kNumVideoFrames - 1);
myColor.green = (theNumSample - 1) * (0xffff / kNumVideoFrames - 1);
myColor.blue = (theNumSample - 1) * (0xffff / kNumVideoFrames - 1);
OpColor(&myColor);
// blend the picture (in the source GWorld) into the empty rectangle (in the destination GWorld)
CopyBits((BitMapPtr)*GetGWorldPixMap(myGWorld),
(BitMapPtr)*GetGWorldPixMap(theGWorld),
&myRect,
&myRect,
blend,
NULL);
if (theNumSample == kNumVideoFrames)
goto bail;
return;
bail:
if (myHandle != NULL)
DisposeHandle(myHandle);
if (myPicture != NULL)
ReleaseResource((Handle)myPicture);
if (myImporter != NULL)
CloseComponent(myImporter);
}
/********************> LoadTGA() <*****/
bool upload_image(const unsigned char* filePath, bool hasalpha)
{
if(visibleloading){
loadscreencolor=1;
pgame->LoadingScreen();
}
#if 1
// for Windows, just use TGA loader for now
char fileName[ 256];
CopyPascalStringToC( filePath, fileName);
/*
// change extension to .TGA
int len = strlen( fileName);
if (len > 3)
{
fileName[ len - 3] = 't';
fileName[ len - 2] = 'g';
fileName[ len - 1] = 'a';
}
*/
// return (LoadTGA( fileName) != NULL);
return (LoadImage(fileName, texture));
#else
OSStatus err;
ComponentResult cr;
/*FSRef fsref;
Boolean isdir;
err = FSPathMakeRef((const UInt8*)filePath, &fsref, &isdir);
if(err)return;
FSSpec fsspec;
err = FSGetCatalogInfo(&fsref, kFSCatInfoNone, NULL, NULL, &fsspec, NULL);
if(err)return;
*/
//Boolean isdir;
FSSpec fsspec;
//err = FSMakeFSSpec (0, 0, (const unsigned char*)filePath, &fsspec);
err = FSMakeFSSpec (0, 0, filePath, &fsspec);
//err=FSPathMakeFSSpec((const UInt8*)filePath,&fsspec,&isdir);*/
if(err)return;
GraphicsImportComponent gi;
err = GetGraphicsImporterForFile(&fsspec, &gi);
if(err)return;
Rect natbounds;
cr = GraphicsImportGetNaturalBounds(gi, &natbounds);
size_t buffersize = 4 * natbounds.bottom * natbounds.right;
//void* buf = malloc(buffersize);
texture.sizeX=natbounds.right;
texture.sizeY=natbounds.bottom;
/*if(hasalpha)*/texture.bpp = 32;
//if(!hasalpha)texture.bpp = 24;
GWorldPtr gw;
err = QTNewGWorldFromPtr(&gw, k32ARGBPixelFormat, &natbounds, NULL, NULL,
0, texture.data, 4 * natbounds.right);
if(err)return;
cr = GraphicsImportSetGWorld(gi, gw, NULL);
natbounds.top = natbounds.bottom;
natbounds.bottom = 0;
cr = GraphicsImportSetBoundsRect(gi, &natbounds);
cr = GraphicsImportDraw(gi);
err = CloseComponent(gi);
if(err)return;
/*glTexImage2D(textureTarget, 0, GL_RGBA, natbounds.right, natbounds.top, 0,
GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, buf);
*/
//free(buf);
DisposeGWorld(gw);
// Loop Through The Image Data
GLuint imageSize; // Used To Store The Image Size When Setting Aside Ram
GLuint temp; // Temporary Variable
GLuint bytesPerPixel; // Temporary Variable
bytesPerPixel=texture.bpp/8;
imageSize = texture.sizeX * texture.sizeY * bytesPerPixel;
int alltrans=10;
for( GLuint i = 0; i < int( imageSize ); i += 4 )
{
// Swaps The 1st And 3rd Bytes ('R'ed and 'B'lue)
temp = texture.data[i]; // Temporarily Store The Value At Image Data 'i'
texture.data[i] = texture.data[i + 1]; // Set The 1st Byte To The Value Of The 3rd Byte
texture.data[i + 1] = texture.data[i + 2]; // Set The 3rd Byte To The Value In 'temp' (1st Byte Value)
texture.data[i + 2] = texture.data[i + 3];
texture.data[i + 3] = temp;
}
int tempplace;
tempplace=0;
if(!hasalpha){
for( GLuint i = 0; i < int( imageSize ); i += 4 )
{
texture.data[i + 3] = 255;
/*texture.data[tempplace] = texture.data[i]; // Set The 1st Byte To The Value Of The 3rd Byte
texture.data[tempplace + 1] = texture.data[i + 1]; // Set The 3rd Byte To The Value In 'temp' (1st Byte Value)
texture.data[tempplace + 2] = texture.data[i + 2];
tempplace+=3;*/
}
}
if(texdetail>1){
int which=0;
float temp;
float howmany;
for( GLuint k = 0; k < int( imageSize); k += bytesPerPixel*texture.sizeX*texdetail )
{
for( GLuint i = 0; i < int( imageSize/texture.sizeY ); i += bytesPerPixel*texdetail )
{
for( GLuint b = 0; b < bytesPerPixel ; b ++ ){
temp=0;
howmany=0;
for( GLuint l = 0; l < texdetail*texture.sizeX ; l +=texture.sizeX ){
for( GLuint j = 0; j < texdetail ; j ++ )
{
temp += (int)texture.data[k+i+j*bytesPerPixel+l*bytesPerPixel+b]; // Set The 1st Byte To The Value Of The 3rd Byte
howmany++;
}
}
texture.data[which+b]=GLubyte(temp/howmany);
}
which+=bytesPerPixel;
}
}
texture.sizeX/=texdetail;
texture.sizeY/=texdetail;
}
return true;
#endif
}
LRESULT CALLBACK QTFrame_MovieWndProc (HWND theWnd, UINT theMessage, UINT wParam, LONG lParam)
{
WPARAM myWidth, myHeight;
MovieController myMC = NULL;
Movie myMovie = NULL;
WindowObject myWindowObject = NULL;
MSG myMsg = {0};
EventRecord myMacEvent;
Boolean myIsHandled = false;
// get the window object, movie, and movie controller for this window
myWindowObject = QTFrame_GetWindowObjectFromWindow(theWnd);
if (myWindowObject != NULL) {
myMC = (**myWindowObject).fController;
myMovie = (**myWindowObject).fMovie;
}
// give the movie controller this message first
if ((!gShuttingDown) && (theMessage != WM_COMMAND)) {
LONG myPoints = GetMessagePos();
myMsg.hwnd = theWnd;
myMsg.message = theMessage;
myMsg.wParam = wParam;
myMsg.lParam = lParam;
myMsg.time = GetMessageTime();
myMsg.pt.x = LOWORD(myPoints);
myMsg.pt.y = HIWORD(myPoints);
// translate a Windows event to a Mac event
WinEventToMacEvent(&myMsg, &myMacEvent);
// let the application-specific code have a chance to intercept the event
myIsHandled = QTApp_HandleEvent(&myMacEvent);
// pass the Mac event to the movie controller, but only if the movie window isn't minimized
if (!myIsHandled)
if (myMC != NULL)
if (!IsIconic(theWnd))
myIsHandled = MCIsPlayerEvent(myMC, (EventRecord *)&myMacEvent);
}
switch (theMessage) {
case WM_CREATE: {
LONG myStyles;
// create a new window object associated with the new window
QTFrame_CreateWindowObject(theWnd);
// disable the maximize button
myStyles = GetWindowLong(theWnd, GWL_STYLE);
myStyles &= ~WS_MAXIMIZEBOX;
SetWindowLong(theWnd, GWL_STYLE, myStyles);
}
break;
case WM_WINDOWPOSCHANGING:
// don't show the window until we have created a movie and
// can therefore properly size the window to contain the movie
if (gWeAreCreatingWindow) {
WINDOWPOS *lpWindowPos = (WINDOWPOS*)lParam;
lpWindowPos->flags &= ~SWP_SHOWWINDOW;
}
break;
case WM_WINDOWPOSCHANGED:
// if a movie window has become minimized, stop the movie
if (IsIconic(theWnd))
StopMovie(myMovie);
break;
case WM_SIZE:
// resize the movie and controller to fit the window
myWidth = LOWORD(lParam);
myHeight = HIWORD(lParam);
// we do NOT want to resize the movie controller if the window is minimized,
// if there is no movie controller, or if we are in the middle of resizing the window
if (!gWeAreSizingWindow && (myMC != NULL) && (wParam != SIZE_MINIMIZED)) {
Rect myRect;
myRect.top = 0;
myRect.left = 0;
myRect.right = myWidth;
myRect.bottom = myHeight;
MCSetControllerBoundsRect(myMC, &myRect);
}
break;
case WM_MOUSEMOVE:
// for QuickTime movies (but NOT for QuickTime VR movies), set the cursor to the arrow cursor
if (myWindowObject != NULL)
if (!(**myWindowObject).fIsQTVRMovie)
SetCursor(LoadCursor(NULL, IDC_ARROW));
break;
case WM_PUMPMOVIE:
// we receive this message only to task the movie
break;
case WM_LBUTTONDOWN:
// do any application-specific mouse-button handling, but only if the message hasn't already been handled
if (!myIsHandled)
QTApp_HandleContentClick(theWnd, &myMacEvent);
break;
case WM_CHAR:
// do any application-specific key press handling
QTApp_HandleKeyPress((char)wParam);
break;
case WM_PAINT: {
// do any application-specific drawing in the window
PAINTSTRUCT myPaintStruct;
BeginPaint(theWnd, &myPaintStruct);
// if the window contains an image, draw it using GraphicsImportDraw
if (myWindowObject != NULL)
if ((**myWindowObject).fGraphicsImporter != NULL)
GraphicsImportDraw((**myWindowObject).fGraphicsImporter);
QTApp_Draw(theWnd);
EndPaint(theWnd, &myPaintStruct);
}
break;
case WM_MDIACTIVATE:
// activate or deactivate the movie controller in the specified window
QTFrame_ActivateController(theWnd, (HWND)theWnd == (HWND)lParam);
break;
case WM_COMMAND: {
switch (LOWORD(wParam)) {
case IDM_FILESAVE:
case IDM_FILESAVEAS:
QTFrame_HandleFileMenuItem(theWnd, LOWORD(wParam));
break;
case IDM_EDITUNDO:
case IDM_EDITCUT:
case IDM_EDITCOPY:
case IDM_EDITPASTE:
case IDM_EDITCLEAR:
case IDM_EDITSELECTALL:
case IDM_EDITSELECTNONE:
QTFrame_HandleEditMenuItem(theWnd, LOWORD(wParam));
break;
default:
// do any application-specific menu handling
QTApp_HandleMenu((UInt16)LOWORD(wParam));
break;
}
break;
} // case WM_COMMAND
case WM_GETMINMAXINFO:
QTFrame_CalcWindowMinMaxInfo(theWnd, (LPMINMAXINFO)lParam);
return(0);
case WM_CLOSE:
// prepare to close the window, making sure that any changed data is saved or explicitly discarded;
// we can still cancel the window closing here
if (myWindowObject != NULL) {
// if the window's data is "dirty", give the user a chance to save it
if ((**myWindowObject).fIsDirty) {
int myItem;
char myText[256];
UINT myAction;
// get the title of the window
GetWindowText(theWnd, myText, sizeof(myText));
// specify the action
myAction = gShuttingDown ? IDS_SAVEONQUIT : IDS_SAVEONCLOSE;
// display the "Save changes" dialog box
myItem = QTFrame_ShowCautionAlert(theWnd, myAction, MB_ICONEXCLAMATION, MB_YESNOCANCEL, gAppName, myText);
switch (myItem) {
case kSaveChanges:
// save the data in the window
QTFrame_UpdateMovieFile(theWnd);
break;
case kCancelClose:
// do not close the window and do not quit the application
gShuttingDown = false;
return(0);
case kDontSaveChanges:
// discard any unsaved changes (that is, don't do anything)
break;
default:
// unexpected item selected; just return
return(0);
}
}
} // if (myWindowObject != NULL)
// if we got to this point, it's okay to close and destroy the window
SendMessage(ghWndMDIClient, WM_MDIDESTROY, (WPARAM)theWnd, 0L);
break;
case WM_DESTROY:
// when we get this message,
// the window has been removed from the screen and its associated data must be destroyed
if (myWindowObject != NULL)
QTFrame_CloseWindowObject(myWindowObject);
SetWindowLong(theWnd, GWL_USERDATA, 0);
// destroy the port association
DestroyPortAssociation((CGrafPtr)GetHWNDPort(theWnd));
break;
}
return(DefMDIChildProc(theWnd, theMessage, wParam, lParam));
}
GWorldPtr OpenImage (void)
{
unsigned long rowStride;
GraphicsImportComponent giComp;
NavReplyRecord replyNav;
NavTypeListHandle hTypeList = (NavTypeListHandle) NewHandleClear (sizeof (NavTypeList) + sizeof (OSType) * 13);
FSSpec fsspecImage;
AEKeyword theKeyword;
DescType actualType;
Size actualSize;
OSStatus err = noErr;
Rect rectImage;
GDHandle origDevice;
CGrafPtr origPort;
PixMapHandle hPixMap;
ImageDescriptionHandle hImageDesc;
MatrixRecord matrix;
GWorldPtr pGWorld;
unsigned char * pImageBuffer;
long imageWidth;
long imageHeight;
float imageAspect;
long imageDepth;
long textureWidth;
long textureHeight;
GetGWorld (&origPort, &origDevice); // save onscreen graphics port
HLock ((Handle) hTypeList);
(**hTypeList).osTypeCount = 14;
(**hTypeList).osType[0] = 'qtif';
(**hTypeList).osType[1] = 'SGI ';
(**hTypeList).osType[2] = '8BPS';
(**hTypeList).osType[3] = 'GIF ';
(**hTypeList).osType[4] = 'GIFf';
(**hTypeList).osType[5] = 'JPEG';
(**hTypeList).osType[6] = 'JPG ';
(**hTypeList).osType[7] = 'PICT';
(**hTypeList).osType[8] = 'PNTG';
(**hTypeList).osType[9] = 'grip';
(**hTypeList).osType[10] = 'BMPp';
(**hTypeList).osType[11] = 'TIFF';
(**hTypeList).osType[12] = 'TEXT';
(**hTypeList).osType[13] = '????';
err = NavChooseFile (NULL, &replyNav, NULL, NULL, NULL, NULL, hTypeList, NULL);
if ((err == noErr) && (replyNav.validRecord))
err = AEGetNthPtr (&(replyNav.selection), 1, typeFSS, &theKeyword, &actualType,
&fsspecImage, sizeof (fsspecImage), &actualSize);
NavDisposeReply (&replyNav);
if (err != noErr)
return NULL;
GetGraphicsImporterForFile (&fsspecImage, &giComp);
if (err != noErr)
return NULL;
// create GWorld
err = GraphicsImportGetNaturalBounds (giComp, &rectImage);
if (err != noErr)
return NULL;
hImageDesc = (ImageDescriptionHandle) NewHandle (sizeof (ImageDescriptionHandle));
HLock ((Handle) hImageDesc);
err = GraphicsImportGetImageDescription (giComp, &hImageDesc);
if (err != noErr)
return NULL;
imageWidth = rectImage.right - rectImage.left;
imageHeight = rectImage.bottom - rectImage.top;
imageAspect = ((float) imageWidth) / ((float) imageHeight);
imageDepth = (**hImageDesc).depth; // bits
if (imageDepth <= 16)
imageDepth = 16;
else
imageDepth = 32;
#if 1
textureWidth = imageWidth;//40;//imageWidth;//256;
textureHeight = imageHeight;//40 * imageHeight / imageWidth;//imageHeight;//256;
#else
textureWidth = imageWidth;//256;
textureHeight = imageHeight;//256;
#endif
SetRect (&rectImage, 0, 0, textureWidth, textureHeight); // l, t, r. b reset to texture rectangle
rowStride = textureWidth * imageDepth / 8;
pImageBuffer = (unsigned char *) NewPtrClear (rowStride * (textureHeight));
if (imageDepth == 32)
QTNewGWorldFromPtr (&(pGWorld), k32ARGBPixelFormat, &rectImage, NULL, NULL, 0, pImageBuffer, rowStride);
else
QTNewGWorldFromPtr (&(pGWorld), k16BE555PixelFormat, &rectImage, NULL, NULL, 0, pImageBuffer, rowStride);
if (NULL == pGWorld)
return NULL;
// decompress to gworld
SetIdentityMatrix (&matrix);
ScaleMatrix (&matrix, X2Fix ((float) textureWidth / (float) imageWidth), X2Fix ((float) textureHeight / (float) imageHeight), X2Fix (0.0), X2Fix (0.0));
err = GraphicsImportSetMatrix(giComp, &matrix);
if (err != noErr)
return NULL;
err = GraphicsImportSetGWorld (giComp, pGWorld, NULL);
if (err != noErr)
return NULL;
err = GraphicsImportSetQuality(giComp, codecLosslessQuality);
if (err != noErr)
return NULL;
hPixMap = GetGWorldPixMap (pGWorld);
if ((hPixMap) && (LockPixels (hPixMap))) // lock offscreen pixel map
GraphicsImportDraw (giComp);
else
return NULL;
// modify alpha
if ( imageDepth == 32 )
{
unsigned long i;
unsigned long * pixel = (unsigned long *)GetPixBaseAddr( hPixMap );
for (i = 0; i < textureWidth * textureHeight; i++)
{
if ((*pixel & 0x00FFFFFF) == 0x00FF00) // mask only color bits and look for green
*pixel = 0x00000000;//0x00303040; // replace green with dark gray transparent (to help filtering)
else
*pixel |= 0xFF000000; // ensure alpha is set for opaque pixels
pixel++;
}
}
else
{
unsigned short i;
unsigned short * pixel = (unsigned short *)GetPixBaseAddr( hPixMap );
for (i = 0; i < textureWidth * textureHeight; i++)
{
if ((*pixel & 0x7FFF) == 0x03E0) // mask only color bits and look for green
*pixel = 0x0000;//0x0363; // replace green with dark gray transparent (to help filtering)
else
*pixel |= 0x8000; // ensure alpha is set for opaque pixels
pixel++;
}
}
return pGWorld;
}
// -----------------------------------------------------------------------------
// CreateCGImageWithQTFromFile
// -----------------------------------------------------------------------------
//
OSStatus
CreateCGImageWithQTFromFile(
FSRef* inFSRef,
CGImageRef* outImage )
{
OSStatus err;
GraphicsImportComponent importer;
FSSpec fileSpec;
GWorldPtr gWorld = NULL;
Rect bounds;
CGDataProviderRef provider;
CGColorSpaceRef colorspace;
long width;
long height;
long rowbytes;
Ptr dataPtr;
// Make an FSRef into an FSSpec
err = FSGetCatalogInfo( inFSRef, kFSCatInfoNone, NULL, NULL, &fileSpec, NULL );
require_noerr( err, CantMakeFSSpec );
err = GetGraphicsImporterForFile( &fileSpec, &importer );
require_noerr( err, CantGetImporter );
err = GraphicsImportGetNaturalBounds( importer, &bounds );
require_noerr( err, CantGetBounds );
// Allocate the buffer
width = RECT_WIDTH( bounds );
height = RECT_HEIGHT( bounds );
rowbytes = width * 4;
dataPtr = NewPtr( height * rowbytes );
require_action( dataPtr != NULL, CantAllocBuffer, err = memFullErr );
err = NewGWorldFromPtr( &gWorld, 32, &bounds, NULL, NULL, NULL, dataPtr, rowbytes );
require_noerr( err, CantCreateGWorld );
err = GraphicsImportSetGWorld( importer, gWorld, GetGWorldDevice( gWorld) );
require_noerr( err, CantSetGWorld );
err = GraphicsImportDraw( importer );
require_noerr( err, CantDraw );
provider = CGDataProviderCreateWithData( NULL, dataPtr, height * rowbytes,
GWorldImageBufferRelease );
require_action( provider != NULL, CantCreateProvider, err = memFullErr );
colorspace = CGColorSpaceCreateDeviceRGB();
require_action( colorspace != NULL, CantCreateColorSpace, err = memFullErr );
*outImage = CGImageCreate( width, height, 8, 32, rowbytes, colorspace,
kCGImageAlphaPremultipliedFirst, provider, NULL, false, kCGRenderingIntentDefault );
require_action( *outImage != NULL, CantCreateImage, err = memFullErr );
CantCreateImage:
CGColorSpaceRelease( colorspace );
CantCreateColorSpace:
CGDataProviderRelease( provider );
CantCreateProvider:
CantDraw:
CantSetGWorld:
if ( gWorld != NULL )
DisposeGWorld( gWorld );
CantCreateGWorld:
CantAllocBuffer:
CantGetBounds:
CantGetImporter:
CantMakeFSSpec:
return err;
}
bool LoadTexture(IplTexture *tex, const char *filename, const char *subdir)
{
ComponentInstance fileImporter;
OSErr error;
ImageDescriptionHandle imageInfo;
ComponentResult err;
CFStringRef name = CFStringCreateWithCStringNoCopy(NULL, filename, kCFStringEncodingASCII, NULL);
CFStringRef _subdir = CFStringCreateWithCStringNoCopy(NULL, subdir, kCFStringEncodingASCII, NULL);
CFURLRef texture_url = CFBundleCopyResourceURL(
CFBundleGetMainBundle(),
name,
NULL,
_subdir);
// Create the data reference so we can get the file's graphics importer.
Handle dataRef;
OSType dataRefType;
dataRef = NewHandle(sizeof(AliasHandle));
// The second parameter to QTNewDataReferenceFromCFURL is flags.
// It should be set to 0.
error = QTNewDataReferenceFromCFURL(texture_url, 0, &dataRef, &dataRefType);
if(error != noErr) {
//DisposeHandle(dataRef);
//CFRelease(texture_url);
return false;
}
// Get the importer for the file so we can read the information.
error = GetGraphicsImporterForDataRef(dataRef, dataRefType, &fileImporter);
// Retrieve information about the image
imageInfo = (ImageDescriptionHandle)NewHandle(sizeof(ImageDescription));
err = GraphicsImportGetImageDescription(fileImporter, &imageInfo);
unsigned width = ((**imageInfo).width);
unsigned height = ((**imageInfo).height);
IplImage *im = tex->getIm();
if (im && (im->width != width || im->height!=height))
cvReleaseImage(&im);
if (im==0) {
im = cvCreateImage(cvSize(width,height), IPL_DEPTH_8U, 4);
//memset(im->imageData, 0x8f, 30*im->widthStep );
//memset(im->imageData+ 50*im->widthStep, 0xff, 30*im->widthStep);
tex->setImage(im);
//return true;
}
tex->update();
void *imageData = im->imageData;
// Get the boundary rectangle of the image
Rect imageRect;
err = GraphicsImportGetNaturalBounds(fileImporter, &imageRect);
// Create an offscreen buffer to hold the image.
// Apparently QuickTime requires a GWorld to
// decompress a texture file.
long bytesPerRow = im->widthStep;
//static
GWorldPtr offscreenBuffer=0;
if (offscreenBuffer==0) {
error = QTNewGWorldFromPtr(&offscreenBuffer, k32RGBAPixelFormat, &imageRect,
NULL, NULL, kNativeEndianPixMap, imageData, bytesPerRow);
assert(error == noErr);
}
// Draw the image into the offscreen buffer
err = GraphicsImportSetGWorld(fileImporter, offscreenBuffer, NULL);
assert(err == noErr);
err = GraphicsImportDraw(fileImporter);
assert(err == noErr);
// Cleanup
error = CloseComponent(fileImporter);
DisposeHandle((Handle)imageInfo);
DisposeHandle(dataRef);
DisposeGWorld(offscreenBuffer);
return true;
}
void QTCmpr_CompressImage (WindowObject theWindowObject)
{
Rect myRect;
GraphicsImportComponent myImporter = NULL;
ComponentInstance myComponent = NULL;
GWorldPtr myImageWorld = NULL; // the graphics world we draw the image in
PixMapHandle myPixMap = NULL;
ImageDescriptionHandle myDesc = NULL;
Handle myHandle = NULL;
OSErr myErr = noErr;
if (theWindowObject == NULL)
return;
//////////
//
// get a graphics importer for the image file and determine the natural size of the image;
// note that the image file *already* has a graphics importer associated with it (namely
// (**theWindowObject).fGraphicsImporter), but we create a new one so that the existing one
// can be used to redraw the image in the callback procedure QTCmpr_FilterProc
//
//////////
myErr = GetGraphicsImporterForFile(&(**theWindowObject).fFileFSSpec, &myImporter);
if (myErr != noErr)
goto bail;
myErr = GraphicsImportGetNaturalBounds(myImporter, &myRect);
if (myErr != noErr)
goto bail;
//////////
//
// create an offscreen graphics world and draw the image into it
//
//////////
myErr = QTNewGWorld(&myImageWorld, 0, &myRect, NULL, NULL, kICMTempThenAppMemory);
if (myErr != noErr)
goto bail;
// get the pixmap of the GWorld; we'll lock the pixmap, just to be safe
myPixMap = GetGWorldPixMap(myImageWorld);
if (!LockPixels(myPixMap))
goto bail;
// set the current port and draw the image
GraphicsImportSetGWorld(myImporter, (CGrafPtr)myImageWorld, NULL);
GraphicsImportDraw(myImporter);
//////////
//
// configure and display the standard image compression dialog box
//
//////////
// open the standard compression dialog component
myComponent = OpenDefaultComponent(StandardCompressionType, StandardCompressionSubType);
if (myComponent == NULL)
goto bail;
// set the picture to be displayed in the dialog box; passing NULL for the rect
// means use the entire image; passing 0 for the flags means to use the default
// system method of displaying the test image, which is currently a combination
// of cropping and scaling; personally, I prefer scaling (your mileage may vary)
SCSetTestImagePixMap(myComponent, myPixMap, NULL, scPreferScaling);
// install the custom procs, if requested
// we can install two kinds of custom procedures for use in connection with
// the standard dialog box: (1) a modal-dialog filter function, and (2) a hook
// function to handle the custom button in the dialog box
if (gUseExtendedProcs)
QTCmpr_InstallExtendedProcs(myComponent, (long)myPixMap);
// request image compression settings from the user; in other words, put up the dialog box
myErr = SCRequestImageSettings(myComponent);
if (myErr == scUserCancelled)
goto bail;
//////////
//
// compress the image
//
//////////
myErr = SCCompressImage(myComponent, myPixMap, NULL, &myDesc, &myHandle);
if (myErr != noErr)
goto bail;
//////////
//
// save the compressed image in a new file
//
//////////
QTCmpr_PromptUserForDiskFileAndSaveCompressed(myHandle, myDesc);
bail:
if (gUseExtendedProcs)
QTCmpr_RemoveExtendedProcs();
if (myPixMap != NULL)
if (GetPixelsState(myPixMap) & pixelsLocked)
UnlockPixels(myPixMap);
if (myImporter != NULL)
CloseComponent(myImporter);
if (myComponent != NULL)
CloseComponent(myComponent);
if (myDesc != NULL)
DisposeHandle((Handle)myDesc);
if (myHandle != NULL)
DisposeHandle(myHandle);
if (myImageWorld != NULL)
DisposeGWorld(myImageWorld);
}
