int canWrite(SImage& image)
{
// If it's the correct size and colour format, it's writable
if (image.getType() == PALMASK &&
validSize(image.getWidth(), image.getHeight()))
return WRITABLE;
// Otherwise, it can be converted via palettising and cropping
return CONVERTIBLE;
}
string Components::payload() {
stringstream ss;
ss << "# number of components" << endl;
ss << validSize() << endl;
for(auto component: members) {
if (!component->isRoot()) continue;
ss << component->payload() << endl;
}
return ss.str();
}
void Transmute::WrapBox(){
if (!validSize()) return;
int sized = heldText.size();
for (int i = 0; i < sized; i++){
for (int j = 0; j < sized; j++){
std::cout << heldText[(i + j) % sized] << ' ';
}
std::cout << '\n';
}
}
void Transmute::UpperGradient(){
if (!validSize()) return;
int sized = heldText.size();
for (int i = 0; i < sized; i++){
for (int j = i; j < sized; j++){
std::cout << heldText[j] << ' ';
}
std::cout << '\n';
}
}
void Transmute::RightAngle(){
if (!validSize()) return;
// Upper row
for (int i = 0; i < heldText.size(); i++){
std::cout << heldText[i] << ' ';
}
std::cout << '\n';
// Vertical column of text
for (int i = 1; i < heldText.size(); i++){
std::cout << heldText[i] << '\n';
}
}
bool writeImage(SImage& image, MemChunk& data, Palette* pal, int index)
{
// Can't write if RGBA
if (image.getType() == RGBA)
return false;
// Check size
if (!validSize(image.getWidth(), image.getHeight()))
return false;
// Just dump image data to memchunk
data.clear();
data.write(imageData(image), image.getWidth() * image.getHeight());
return true;
}
uint8_t* keyHash(const uint8_t* input,
const uint64_t input_length,
const SkeinSize_t state_size)
{
struct SkeinCtx skein_state;
uint8_t* digest = NULL;
if (input != NULL && validSize(state_size))
{
digest = calloc((state_size/8), sizeof(uint8_t)); //allocate the digest buffer
skeinCtxPrepare(&skein_state, state_size); //Tell skein what size its state is
skeinInit(&skein_state, state_size); //Init our hash
skeinUpdate(&skein_state, input, input_length); //Generate our hash
skeinFinal(&skein_state, (uint8_t*)digest); //Put the results in our buffer
}
return digest;
}
uint8_t* skeinHash(const uint8_t* input,
const uint64_t digest_length,
const SkeinSize_t state_size)
{
struct SkeinCtx skein_state; //Skein state
uint8_t* digest = NULL;
if (input != NULL && validSize(state_size))
{
//ensure digest is a null terminated string
digest = calloc(digest_length+1, sizeof(uint8_t));
skeinCtxPrepare(&skein_state, state_size); //Tell skein what size its state is
skeinInit(&skein_state, digest_length*8); //Init our hash
skeinUpdate(&skein_state, input, strlen((char*)input)); //Generate our hash
skeinFinal(&skein_state, (uint8_t*)digest); //Put the results in the buffer
}
return digest;
}
int canWrite(SImage& image)
{
// If it's the correct size and colour format, it's writable
int width = image.getWidth();
int height = image.getHeight();
// Shouldn't happen but...
if (width < 0 || height < 0)
return NOTWRITABLE;
if (image.getType() == PALMASK && validSize(image.getWidth(), image.getHeight()))
return WRITABLE;
// Otherwise, check if it can be cropped to a valid size
for (unsigned a = 0; a < n_valid_flat_sizes; a++)
if (((unsigned)width >= valid_flat_size[a][0] && (unsigned)height >= valid_flat_size[a][1]
&& valid_flat_size[a][2] == 1)
|| gfx_extraconv)
return CONVERTIBLE;
return NOTWRITABLE;
}
PrimitiveSurface * Material::getSurface( DisplayDevice * pDisplay, Image::Link pImage, int nFrame, bool bMipMap )
{
// generate a unique key from the components
WidgetKey nKey = pImage.key() + nFrame;
if ( bMipMap )
nKey += MIPMAP_KEY;
AutoLock lock( &sm_SurfaceHashLock );
SurfaceHash::Iterator it = sm_SurfaceHash.find( nKey );
if ( it.valid() )
return *it;
lock.release();
// surface not found, create and cache the surface
PrimitiveSurface::Ref pSurface;
if ( pImage.valid() && pImage->frameCount() > 0 )
{
// find a format for our surface first, findBestFormat() will always try to use the images current format
// if supported by the hardware.
ColorFormat::Format eFormat = findBestFormat( pDisplay, pImage, true );
if ( eFormat == ColorFormat::INVALID )
{
TRACE( "ERROR: Failed to find a suitable surface format for texture!" );
return NULL;
}
SizeInt imageSize( pImage->size() );
SizeInt maxSize( pDisplay->textureMaxSize() );
SizeInt minSize( pDisplay->textureMinSize() );
// use the smaller max size
maxSize.width = Min( sm_MaxTextureSize.width, maxSize.width );
maxSize.height = Min( sm_MaxTextureSize.height, maxSize.height );
// validate the texture dimensions
SizeInt validSize( Max( Min( imageSize.width, maxSize.width ), minSize.width),
Max( Min( imageSize.height, maxSize.height ), minSize.height) );
if ( pDisplay->textureP2() && !pImage->isP2() )
validSize = SizeInt( 1 << GetLastBit( validSize.width ), 1 << GetLastBit( validSize.height) );
if ( pDisplay->textureSquare() && validSize.width != validSize.height )
validSize = SizeInt( Max( validSize.width, validSize.height ), Max( validSize.width, validSize.height) );
if ( validSize != imageSize || eFormat != pImage->format() )
{
// image is the wrong size or format, make a copy so we don't modify the original..
pImage = new Image( *pImage );
if ( pImage->size() != validSize )
{
// image has to be resized - switch the format to an uncompressed format, DXT compression is too slow
// to do on the fly..
eFormat = findBestFormat( pDisplay, pImage, false );
if ( eFormat != pImage->format() )
{
TRACE( CharString().format( "Image: Reformat %s -> %s", ColorFormat::formatText( pImage->format() ),
ColorFormat::formatText( eFormat ) ) );
if (! pImage->setFormat( eFormat ) )
return NULL;
}
TRACE( CharString().format( "Image: Resize %dx%d -> %dx%d", imageSize.width, imageSize.height,
validSize.width, validSize.height ) );
pImage->resample( validSize );
if ( bMipMap && pImage->mipMap() != NULL )
pImage->createMipMaps();
}
else if ( pImage->format() != eFormat )
{
TRACE( CharString().format( "Image: Reformat %s -> %s", ColorFormat::formatText( pImage->format() ),
ColorFormat::formatText( eFormat ) ) );
if (! pImage->setFormat( eFormat ) )
return NULL; // failed to convert to the desired format..
}
}
if ( bMipMap && pImage->mipMap() == NULL )
bMipMap = false; // no mipmap levels in image, disable mipmaps
// create the primitives, note having neither a diffuse or alpha texture is also a valid material
pDisplay->create( pSurface );
// create the surface
SizeInt surfaceSize( pImage->size() );
pSurface->initialize(
surfaceSize.width,
surfaceSize.height,
eFormat,
bMipMap );
nFrame = nFrame % pImage->frameCount();
Image * pMipMap = pImage;
for(int i=0;i<pSurface->levels();++i)
{
if (! pMipMap )
{
TRACE( CharString().format("ERROR: Mipmap level %d is missing!", i ) );
break;
}
void * pPixels = pSurface->lock( i );
if (! pPixels )
{
TRACE( "ERROR: Failed to lock surface!" );
break;
}
memcpy( pPixels, pMipMap->frame( nFrame ), pMipMap->frameSize( nFrame ) );
pSurface->unlock();
// next mipmap level of our image..
pMipMap = pMipMap->mipMap();
}
}
// cache the surface now
lock.set( &sm_SurfaceHashLock );
sm_SurfaceHash[ nKey ] = pSurface;
return pSurface;
}
bool isThisFormat(MemChunk& mc)
{
// Just check the size
return validSize(mc.getSize());
}
