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Diffstat (limited to 'plugins/AdvaImg/src/FreeImage/PluginWBMP.cpp')
| -rw-r--r-- | plugins/AdvaImg/src/FreeImage/PluginWBMP.cpp | 372 |
1 files changed, 0 insertions, 372 deletions
diff --git a/plugins/AdvaImg/src/FreeImage/PluginWBMP.cpp b/plugins/AdvaImg/src/FreeImage/PluginWBMP.cpp deleted file mode 100644 index 2ff8f023c3..0000000000 --- a/plugins/AdvaImg/src/FreeImage/PluginWBMP.cpp +++ /dev/null @@ -1,372 +0,0 @@ -// ========================================================== -// Wireless Bitmap Format Loader and Writer -// -// Design and implementation by -// - Hervé Drolon <drolon@infonie.fr> -// -// This file is part of FreeImage 3 -// -// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY -// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES -// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE -// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED -// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT -// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY -// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL -// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER -// THIS DISCLAIMER. -// -// Use at your own risk! -// ========================================================== - -#include "FreeImage.h" -#include "Utilities.h" - -// ---------------------------------------------------------- -// Wireless Bitmap Format -// ---------------------- -// The WBMP format enables graphical information to be sent to a variety of handsets. -// The WBMP format is terminal independent and describes only graphical information. - -// IMPLEMENTATION NOTES: -// ------------------------ -// The WBMP format is configured according to a type field value (TypeField below), -// which maps to all relevant image encoding information, such as: -// · Pixel organisation and encoding -// · Palette organisation and encoding -// · Compression characteristics -// · Animation encoding -// For each TypeField value, all relevant image characteristics are -// fully specified as part of the WAP documentation. -// Currently, a simple compact, monochrome image format is defined -// within the WBMP type space : -// -// Image Type Identifier, multi-byte integer 0 -// Image Format description 0 B/W, no compression -// ------------------------------------------------------------------------------- - -// WBMP Header - -#ifdef _WIN32 -#pragma pack(push, 1) -#else -#pragma pack(1) -#endif - -typedef struct tagWBMPHEADER { - WORD TypeField; // Image type identifier of multi-byte length - BYTE FixHeaderField; // Octet of general header information - BYTE ExtHeaderFields; // Zero or more extension header fields - WORD Width; // Multi-byte width field - WORD Height; // Multi-byte height field -} WBMPHEADER; - -#ifdef _WIN32 -#pragma pack(pop) -#else -#pragma pack() -#endif - -// The extension headers may be of type binary 00 through binary 11, defined as follows. - -// - Type 00 indicates a multi-byte bitfield used to specify additional header information. -// The first bit is set if a type 00, extension header is set if more data follows. -// The other bits are reserved for future use. -// - Type 01 - reserved for future use. -// - Type 10 - reserved for future use. -// - Type 11 indicates a sequence of parameter/value pairs. These can be used for -// optimisations and special purpose extensions, eg, animation image formats. -// The parameter size tells the length (1-8 bytes) of the following parameter name. -// The value size gives the length (1-16 bytes) of the following parameter value. -// The concatenation flag indicates whether another parameter/value pair will follow -// after reading the specified bytes of data. - -// ========================================================== -// Internal functions -// ========================================================== - -static DWORD -multiByteRead(FreeImageIO *io, fi_handle handle) { - // Multi-byte encoding / decoding - // ------------------------------- - // A multi-byte integer consists of a series of octets, where the most significant bit - // is the continuation flag, and the remaining seven bits are a scalar value. - // The continuation flag is used to indicate that an octet is not the end of the multi-byte - // sequence. - - DWORD Out = 0; - BYTE In = 0; - - while (io->read_proc(&In, 1, 1, handle)) { - Out += (In & 0x7F); - - if ((In & 0x80) == 0x00) - break; - - Out <<= 7; - } - - return Out; -} - -static void -multiByteWrite(FreeImageIO *io, fi_handle handle, DWORD In) { - BYTE Out, k = 1; - - while (In & (0x7F << 7*k)) - k++; - - while (k > 1) { - k--; - - Out = (BYTE)(0x80 | (In >> 7*k) & 0xFF); - - io->write_proc(&Out, 1, 1, handle); - } - - Out = (BYTE)(In & 0x7F); - - io->write_proc(&Out, 1, 1, handle); -} - -static void -readExtHeader(FreeImageIO *io, fi_handle handle, BYTE b) { - // Extension header fields - // ------------------------ - // Read the extension header fields - // (since we don't use them for the moment, we skip them). - - switch (b & 0x60) { - // Type 00: read multi-byte bitfield - - case 0x00: - { - DWORD info = multiByteRead(io, handle); - break; - } - - // Type 11: read a sequence of parameter/value pairs. - - case 0x60: - { - BYTE sizeParamIdent = (b & 0x70) >> 4; // Size of Parameter Identifier (in bytes) - BYTE sizeParamValue = (b & 0x0F); // Size of Parameter Value (in bytes) - - BYTE *Ident = (BYTE*)malloc(sizeParamIdent * sizeof(BYTE)); - BYTE *Value = (BYTE*)malloc(sizeParamValue * sizeof(BYTE)); - - io->read_proc(Ident, sizeParamIdent, 1, handle); - io->read_proc(Value, sizeParamValue, 1, handle); - - free(Ident); - free(Value); - break; - } - - // reserved for future use - - case 0x20: // Type 01 - case 0x40: // Type 10 - break; - } -} - -// ========================================================== -// Plugin Interface -// ========================================================== - -static int s_format_id; - -// ========================================================== -// Plugin Implementation -// ========================================================== - -static const char * DLL_CALLCONV -Format() { - return "WBMP"; -} - -static const char * DLL_CALLCONV -Description() { - return "Wireless Bitmap"; -} - -static const char * DLL_CALLCONV -Extension() { - return "wap,wbmp,wbm"; -} - -static const char * DLL_CALLCONV -RegExpr() { - return NULL; -} - -static const char * DLL_CALLCONV -MimeType() { - return "image/vnd.wap.wbmp"; -} - -static BOOL DLL_CALLCONV -SupportsExportDepth(int depth) { - return ( - (depth == 1) - ); -} - -static BOOL DLL_CALLCONV -SupportsExportType(FREE_IMAGE_TYPE type) { - return (type == FIT_BITMAP) ? TRUE : FALSE; -} - -// ---------------------------------------------------------- - -static FIBITMAP * DLL_CALLCONV -Load(FreeImageIO *io, fi_handle handle, int page, int flags, void *data) { - WORD x, y, width, height; - FIBITMAP *dib; - BYTE *bits; // pointer to dib data - RGBQUAD *pal; // pointer to dib palette - - WBMPHEADER header; - - if (handle) { - try { - // Read header information - // ----------------------- - - // Type - - header.TypeField = (WORD)multiByteRead(io, handle); - - if (header.TypeField != 0) { - throw FI_MSG_ERROR_UNSUPPORTED_FORMAT; - } - - // FixHeaderField - - io->read_proc(&header.FixHeaderField, 1, 1, handle); - - // ExtHeaderFields - // 1 = more will follow, 0 = last octet - - if (header.FixHeaderField & 0x80) { - header.ExtHeaderFields = 0x80; - - while(header.ExtHeaderFields & 0x80) { - io->read_proc(&header.ExtHeaderFields, 1, 1, handle); - - readExtHeader(io, handle, header.ExtHeaderFields); - } - } - - // width & height - - width = (WORD)multiByteRead(io, handle); - height = (WORD)multiByteRead(io, handle); - - // Allocate a new dib - - dib = FreeImage_Allocate(width, height, 1); - if (!dib) { - throw FI_MSG_ERROR_DIB_MEMORY; - } - - // write the palette data - - pal = FreeImage_GetPalette(dib); - pal[0].rgbRed = pal[0].rgbGreen = pal[0].rgbBlue = 0; - pal[1].rgbRed = pal[1].rgbGreen = pal[1].rgbBlue = 255; - - // read the bitmap data - - int line = FreeImage_GetLine(dib); - - for (y = 0; y < height; y++) { - bits = FreeImage_GetScanLine(dib, height - 1 - y); - - for (x = 0; x < line; x++) { - io->read_proc(&bits[x], 1, 1, handle); - } - } - - return dib; - - } catch(const char *text) { - FreeImage_OutputMessageProc(s_format_id, text); - - return NULL; - } - - } - - return NULL; -} - -static BOOL DLL_CALLCONV -Save(FreeImageIO *io, FIBITMAP *dib, fi_handle handle, int page, int flags, void *data) { - BYTE *bits; // pointer to dib data - - if ((dib) && (handle)) { - try { - if (FreeImage_GetBPP(dib) != 1) - throw "Only 1-bit depth bitmaps can be saved as WBMP"; - - // write the header - - WBMPHEADER header; - header.TypeField = 0; // Type 0: B/W, no compression - header.FixHeaderField = 0; // No ExtHeaderField - header.Width = (WORD)FreeImage_GetWidth(dib); // Image width - header.Height = (WORD)FreeImage_GetHeight(dib); // Image height - - multiByteWrite(io, handle, header.TypeField); - - io->write_proc(&header.FixHeaderField, 1, 1, handle); - - multiByteWrite(io, handle, header.Width); - multiByteWrite(io, handle, header.Height); - - // write the bitmap data - - WORD linelength = (WORD)FreeImage_GetLine(dib); - - for (WORD y = 0; y < header.Height; y++) { - bits = FreeImage_GetScanLine(dib, header.Height - 1 - y); - - io->write_proc(&bits[0], linelength, 1, handle); - } - - return TRUE; - - } catch (const char* text) { - FreeImage_OutputMessageProc(s_format_id, text); - } - } - - return FALSE; -} - -// ========================================================== -// Init -// ========================================================== - -void DLL_CALLCONV -InitWBMP(Plugin *plugin, int format_id) { - s_format_id = format_id; - - plugin->format_proc = Format; - plugin->description_proc = Description; - plugin->extension_proc = Extension; - plugin->regexpr_proc = RegExpr; - plugin->open_proc = NULL; - plugin->close_proc = NULL; - plugin->pagecount_proc = NULL; - plugin->pagecapability_proc = NULL; - plugin->load_proc = Load; - plugin->save_proc = Save; - plugin->validate_proc = NULL; - plugin->mime_proc = MimeType; - plugin->supports_export_bpp_proc = SupportsExportDepth; - plugin->supports_export_type_proc = SupportsExportType; - plugin->supports_icc_profiles_proc = NULL; -} |