HRESULT CLR_GFX_Bitmap::CreateInstanceBmp( CLR_RT_HeapBlock& ref, const CLR_UINT8* data, const CLR_UINT32 size )
{
NATIVE_PROFILE_CLR_GRAPHICS();
TINYCLR_HEADER();
CLR_GFX_Bitmap* bitmap = NULL;
CLR_GFX_BitmapDescription bm;
BmpDecoder decoder;
TINYCLR_CHECK_HRESULT(decoder.BmpInitOutput( data, size ));
if(bm.BitmapDescription_Initialize( decoder.width, decoder.height, CLR_GFX_BitmapDescription::c_NativeBpp ) == false)
{
// Failed if width / height / size is not within spec.
TINYCLR_SET_AND_LEAVE(CLR_E_FAIL);
}
// Allocate the memory that the decoded bitmap would need
TINYCLR_CHECK_HRESULT(CLR_GFX_Bitmap::CreateInstance( ref, bm ));
TINYCLR_CHECK_HRESULT(CLR_GFX_Bitmap::GetInstanceFromHeapBlock (ref, bitmap));
TINYCLR_CHECK_HRESULT(decoder.BmpStartOutput( bitmap ));
TINYCLR_NOCLEANUP();
}
CLR_UINT32 CLR_GFX_FontDescription::GetCharacterSize() const
{
NATIVE_PROFILE_CLR_GRAPHICS();
// We need the sentinel character at the end to ensure proper width caclulation.
// (char width is determined by the difference of the subsequent offset and the current one)
return sizeof(CLR_GFX_FontCharacter) * (m_characters + 1);
}
void CLR_GFX_Font::RelocationHandler( CLR_RT_HeapBlock_BinaryBlob* ptr )
{
NATIVE_PROFILE_CLR_GRAPHICS();
CLR_GFX_Font* pThis = (CLR_GFX_Font*)ptr->GetData();
pThis->Relocate();
}
void JPEGErrorHandler( j_common_ptr cinfo )
{
NATIVE_PROFILE_CLR_GRAPHICS();
JPEGErrorManager* errorManager = (JPEGErrorManager*) cinfo->err;
#if 0
longjmp((long long *)errorManager->setjmpBuffer, 1);
#else
longjmp(errorManager->setjmpBuffer, 1);
#endif
}
void CLR_GFX_Font::Relocate()
{
NATIVE_PROFILE_CLR_GRAPHICS();
CLR_RT_GarbageCollector::Heap_Relocate( (void**)&m_ranges );
CLR_RT_GarbageCollector::Heap_Relocate( (void**)&m_chars );
CLR_RT_GarbageCollector::Heap_Relocate( (void**)&m_rangesEx );
CLR_RT_GarbageCollector::Heap_Relocate( (void**)&m_charsEx );
CLR_RT_GarbageCollector::Heap_Relocate( (void**)&m_antiAliasingData );
CLR_RT_GarbageCollector::Heap_Relocate( (void**)&m_bitmap.m_palBitmap.data );
}
CLR_UINT32 CLR_GFX_FontDescription::GetCharacterExSize() const
{
NATIVE_PROFILE_CLR_GRAPHICS();
CLR_UINT32 size = 0;
if(m_flags & c_FontEx)
{
size = ROUNDTOMULTIPLE(sizeof(CLR_GFX_FontCharacterEx) * (m_characters), CLR_UINT32);
}
return size;
}
HRESULT CLR_GFX_Font::CreateInstance( CLR_RT_HeapBlock& ref, const CLR_UINT8* data, CLR_RT_Assembly* assm )
{
NATIVE_PROFILE_CLR_GRAPHICS();
TINYCLR_HEADER();
CLR_RT_HeapBlock_BinaryBlob* blob;
CLR_GFX_Font* font;
const CLR_GFX_FontDescription* fd;
const CLR_GFX_BitmapDescription* bm;
fd = (const CLR_GFX_FontDescription* )data; data += sizeof(CLR_GFX_FontDescription );
bm = (const CLR_GFX_BitmapDescription*)data; data += sizeof(CLR_GFX_BitmapDescription);
TINYCLR_CHECK_HRESULT(CLR_RT_HeapBlock_BinaryBlob::CreateInstance( ref, sizeof(CLR_GFX_Font), NULL, CLR_GFX_Font::RelocationHandler, CLR_RT_HeapBlock::HB_CompactOnFailure ));
blob = ref.DereferenceBinaryBlob();
font = (CLR_GFX_Font*)blob->GetData();
font->m_font = *fd;
font->m_bitmap.m_bm = *bm;
font->m_fontEx.m_antiAliasSize = 0;
font->Font_Initialize();
font->m_ranges = (CLR_GFX_FontCharacterRange*)data; data += fd->GetRangeSize();
font->m_chars = ( CLR_GFX_FontCharacter*)data; data += fd->GetCharacterSize();
font->m_bitmap.m_palBitmap.data = ( CLR_UINT32*)data; data += bm->GetTotalSize();
font->m_bitmap.m_bm.m_flags |= CLR_GFX_BitmapDescription::c_ReadOnly;
if(fd->m_flags & CLR_GFX_FontDescription::c_FontEx)
{
font->m_fontEx = *(( const CLR_GFX_FontDescriptionEx*)data); data += sizeof(CLR_GFX_FontDescriptionEx);
font->m_rangesEx = ( CLR_GFX_FontCharacterRangeEx*)data; data += fd->GetRangeExSize();
font->m_charsEx = ( CLR_GFX_FontCharacterEx*)data; data += fd->GetCharacterExSize();
font->m_antiAliasingData = ( CLR_UINT8*)data; data += font->m_fontEx.GetAntiAliasSize();
}
blob->m_assembly = assm;
font->GetCharInfo( c_UnicodeReplacementCharacter, font->m_defaultChar );
TINYCLR_NOCLEANUP();
}
void CLR_GFX_Font::Font_Initialize()
{
NATIVE_PROFILE_CLR_GRAPHICS();
CLR_UINT8* buf = (CLR_UINT8*)&this[ 1 ];
m_bitmap.Bitmap_Initialize();
m_ranges = (CLR_GFX_FontCharacterRange*)buf; buf += m_font.GetRangeSize ();
m_chars = (CLR_GFX_FontCharacter* )buf; buf += m_font.GetCharacterSize();
if(m_font.m_flags & CLR_GFX_FontDescription::c_FontEx)
{
m_rangesEx = (CLR_GFX_FontCharacterRangeEx*)buf; buf += m_font.GetRangeExSize();
m_charsEx = ( CLR_GFX_FontCharacterEx*)buf; buf += m_font.GetCharacterExSize();
m_antiAliasingData = buf; buf += m_fontEx.GetAntiAliasSize();
}
m_bitmap.m_palBitmap.data = (CLR_UINT32*)buf;
}
//--//
int CLR_GFX_Font::StringOut( LPCSTR str, int maxChars, CLR_INT32 kerning, CLR_GFX_Bitmap* bm, int xPos, int yPos, CLR_UINT32 color )
{
NATIVE_PROFILE_CLR_GRAPHICS();
CLR_RT_UnicodeHelper uh; uh.SetInputUTF8( str );
CLR_UINT16 buf[ 3 ];
CLR_UINT32 nTotWidth = 0;
CLR_GFX_FontCharacterInfo chr;
yPos += m_font.m_metrics.m_offset;
while(maxChars-- != 0)
{
uh.m_outputUTF16 = buf;
uh.m_outputUTF16_size = MAXSTRLEN(buf);
if(uh.ConvertFromUTF8( 1, false ) == false) break;
CLR_UINT16 c = buf[ 0 ];
GetCharInfo( c, chr );
if(chr.isValid)
{
//It doesn't look like we support kerning??
_ASSERTE(c_DefaultKerning == kerning);
int nOffset = ((nTotWidth + (chr.width+1)/2) * kerning / c_DefaultKerning) - (chr.width+1)/2;
nTotWidth = nOffset + chr.width;
if(bm)
{
DrawChar( bm, chr, xPos + chr.marginLeft + nOffset, yPos, color );
}
}
}
return xPos + nTotWidth;
}
HRESULT CLR_GFX_Bitmap::CreateInstanceGif( CLR_RT_HeapBlock& ref, const CLR_UINT8* data, const CLR_UINT32 size )
{
NATIVE_PROFILE_CLR_GRAPHICS();
TINYCLR_HEADER();
GifDecoder* decoder;
CLR_GFX_Bitmap* bitmap = NULL;
CLR_GFX_BitmapDescription bm;
// Allocate the decoder
decoder = (GifDecoder*)CLR_RT_Memory::Allocate( sizeof(GifDecoder) ); CHECK_ALLOCATION(decoder);
// Initialize the decompression engine
TINYCLR_CHECK_HRESULT( decoder->GifInitDecompress( data, size ) );
// At this point decoder would have all the correct output dimension info, so we initialized the CLR_GFX_BitmapDescription
// with that information, note that we currently only support decompression into the native bpp
if(bm.BitmapDescription_Initialize( decoder->header.LogicScreenWidth, decoder->header.LogicScreenHeight, CLR_GFX_BitmapDescription::c_NativeBpp ) == false)
{
// if the resulting bitmap doesn't match our constraints, stop the decompression
TINYCLR_SET_AND_LEAVE(CLR_E_INVALID_PARAMETER);
}
// Allocate the memory that the decompressed bitmap would need
TINYCLR_CHECK_HRESULT(CLR_GFX_Bitmap::CreateInstance( ref, bm ));
TINYCLR_CHECK_HRESULT(CLR_GFX_Bitmap::GetInstanceFromHeapBlock (ref, bitmap));
TINYCLR_CHECK_HRESULT(decoder->GifStartDecompress( bitmap ));
TINYCLR_CLEANUP();
if (decoder) CLR_RT_Memory::Release( decoder );
TINYCLR_CLEANUP_END();
}
HRESULT CLR_GFX_Bitmap::CreateInstanceJpeg( CLR_RT_HeapBlock& ref, const CLR_UINT8* data, const CLR_UINT32 size )
{
NATIVE_PROFILE_CLR_GRAPHICS();
TINYCLR_HEADER();
jpeg_decompress_struct cinfo;
CLR_GFX_Bitmap* bitmap = NULL;
CreateInstanceJpegHelperParam param;
GFX_Rect rect;
param.curBuffer = NULL;
// Set up the error handling
JPEGErrorManager errorManager;
cinfo.err = jpeg_std_error( &errorManager.pub );
errorManager.pub.error_exit = JPEGErrorHandler;
#if 0
if(setjmp( (long long *)errorManager.setjmpBuffer ))
#else
if(setjmp(errorManager.setjmpBuffer ))
#endif
{
if (cinfo.err->msg_code == JERR_OUT_OF_MEMORY)
{
TINYCLR_SET_AND_LEAVE( CLR_E_OUT_OF_MEMORY );
}
else
{
TINYCLR_SET_AND_LEAVE( CLR_E_FAIL );
}
}
// Create the decompression engine
jpeg_create_decompress( &cinfo );
jpeg_byte_array_src ( &cinfo, (UINT8*)data, size );
jpeg_read_header ( &cinfo, TRUE );
// Set output to 16bit 5-6-5 RGB format
// We can add support for other bit-depth in the future
cinfo.out_color_space = JCS_RGB;
cinfo.do_fancy_upsampling = FALSE;
jpeg_start_decompress( &cinfo );
// At this point cinfo would have all the correct output dimension info
CLR_GFX_BitmapDescription bm;
if(bm.BitmapDescription_Initialize( cinfo.output_width, cinfo.output_height, CLR_GFX_BitmapDescription::c_NativeBpp ) == false)
{
// if the resulting bitmap doesn't match our constraints, stop the decompression
TINYCLR_SET_AND_LEAVE( CLR_E_INVALID_PARAMETER );
}
// Allocate the memory that the decompressed bitmap would need
TINYCLR_CHECK_HRESULT(CLR_GFX_Bitmap::CreateInstance( ref, bm ));
TINYCLR_CHECK_HRESULT(CLR_GFX_Bitmap::GetInstanceFromHeapBlock (ref, bitmap));
// Do the actual decompression
rect.left = 0;
rect.top = 0;
rect.right = cinfo.output_width - 1;
rect.bottom = cinfo.output_height - 1;
param.curBuffer = (CLR_UINT8*)CLR_RT_Memory::Allocate( cinfo.output_width * 3 );
CHECK_ALLOCATION(param.curBuffer);
param.buffer = (JSAMPARRAY)&(param.curBuffer);
param.cinfo = &cinfo;
bitmap->SetPixelsHelper( rect, PAL_GFX_Bitmap::c_SetPixelsConfig_NoClip | PAL_GFX_Bitmap::c_SetPixelsConfig_NoClipChecks, &CreateInstanceJpegHelper, ¶m );
TINYCLR_CLEANUP();
if (param.curBuffer) CLR_RT_Memory::Release( param.curBuffer );
jpeg_destroy_decompress( &cinfo );
TINYCLR_CLEANUP_END();
}
CLR_UINT32 CLR_GFX_FontDescriptionEx::GetAntiAliasSize() const
{
NATIVE_PROFILE_CLR_GRAPHICS();
return ROUNDTOMULTIPLE(m_antiAliasSize, CLR_UINT32);
}