diff options
Diffstat (limited to 'plugins/AdvaImg/src/FreeImage/PluginCUT.cpp')
| -rw-r--r-- | plugins/AdvaImg/src/FreeImage/PluginCUT.cpp | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/plugins/AdvaImg/src/FreeImage/PluginCUT.cpp b/plugins/AdvaImg/src/FreeImage/PluginCUT.cpp new file mode 100644 index 0000000000..746fa034a6 --- /dev/null +++ b/plugins/AdvaImg/src/FreeImage/PluginCUT.cpp @@ -0,0 +1,240 @@ +// ========================================================== +// CUT Loader +// +// Design and implementation by +// - Floris van den Berg (flvdberg@wxs.nl) +// +// 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" + +// ---------------------------------------------------------- +// Constants + headers +// ---------------------------------------------------------- + +#ifdef _WIN32 +#pragma pack(push, 1) +#else +#pragma pack(1) +#endif + +typedef struct tagCUTHEADER { + WORD width; + WORD height; + LONG dummy; +} CUTHEADER; + +#ifdef _WIN32 +#pragma pack(pop) +#else +#pragma pack() +#endif + +// ========================================================== +// Plugin Interface +// ========================================================== + +static int s_format_id; + +// ========================================================== +// Plugin Implementation +// ========================================================== + +static const char * DLL_CALLCONV +Format() { + return "CUT"; +} + +static const char * DLL_CALLCONV +Description() { + return "Dr. Halo"; +} + +static const char * DLL_CALLCONV +Extension() { + return "cut"; +} + +static const char * DLL_CALLCONV +RegExpr() { + return NULL; +} + +static const char * DLL_CALLCONV +MimeType() { + return "image/x-cut"; +} + +static BOOL DLL_CALLCONV +Validate(FreeImageIO *io, fi_handle handle) { + return FALSE; +} + +static BOOL DLL_CALLCONV +SupportsExportDepth(int depth) { + return FALSE; +} + +static BOOL DLL_CALLCONV +SupportsExportType(FREE_IMAGE_TYPE type) { + return FALSE; +} + +static BOOL DLL_CALLCONV +SupportsNoPixels() { + return TRUE; +} + +// ---------------------------------------------------------- + +static FIBITMAP * DLL_CALLCONV +Load(FreeImageIO *io, fi_handle handle, int page, int flags, void *data) { + FIBITMAP *dib = NULL; + + if (!handle) { + return NULL; + } + + try { + CUTHEADER header; + + BOOL header_only = (flags & FIF_LOAD_NOPIXELS) == FIF_LOAD_NOPIXELS; + + // read the cut header + + if(io->read_proc(&header, 1, sizeof(CUTHEADER), handle) != sizeof(CUTHEADER)) { + throw FI_MSG_ERROR_PARSING; + } + +#ifdef FREEIMAGE_BIGENDIAN + SwapShort((WORD *)&header.width); + SwapShort((WORD *)&header.height); +#endif + + if ((header.width == 0) || (header.height == 0)) { + return NULL; + } + + // allocate a new bitmap + + dib = FreeImage_AllocateHeader(header_only, header.width, header.height, 8); + + if (dib == NULL) { + throw FI_MSG_ERROR_DIB_MEMORY; + } + + // stuff it with a palette + + RGBQUAD *palette = FreeImage_GetPalette(dib); + + for (int j = 0; j < 256; ++j) { + palette[j].rgbBlue = palette[j].rgbGreen = palette[j].rgbRed = (BYTE)j; + } + + if(header_only) { + // header only mode + return dib; + } + + // unpack the RLE bitmap bits + + BYTE *bits = FreeImage_GetScanLine(dib, header.height - 1); + + unsigned i = 0, k = 0; + unsigned pitch = FreeImage_GetPitch(dib); + unsigned size = header.width * header.height; + BYTE count = 0, run = 0; + + while (i < size) { + if(io->read_proc(&count, 1, sizeof(BYTE), handle) != 1) { + throw FI_MSG_ERROR_PARSING; + } + + if (count == 0) { + k = 0; + bits -= pitch; + + // paint shop pro adds two useless bytes here... + + io->read_proc(&count, 1, sizeof(BYTE), handle); + io->read_proc(&count, 1, sizeof(BYTE), handle); + + continue; + } + + if (count & 0x80) { + count &= ~(0x80); + + if(io->read_proc(&run, 1, sizeof(BYTE), handle) != 1) { + throw FI_MSG_ERROR_PARSING; + } + + if(k + count <= header.width) { + memset(bits + k, run, count); + } else { + throw FI_MSG_ERROR_PARSING; + } + } else { + if(k + count <= header.width) { + if(io->read_proc(&bits[k], count, sizeof(BYTE), handle) != 1) { + throw FI_MSG_ERROR_PARSING; + } + } else { + throw FI_MSG_ERROR_PARSING; + } + } + + k += count; + i += count; + } + + return dib; + + } catch(const char* text) { + if(dib) { + FreeImage_Unload(dib); + } + FreeImage_OutputMessageProc(s_format_id, text); + return NULL; + } +} + +// ========================================================== +// Init +// ========================================================== + +void DLL_CALLCONV +InitCUT(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 = NULL; + plugin->validate_proc = Validate; + plugin->mime_proc = MimeType; + plugin->supports_export_bpp_proc = SupportsExportDepth; + plugin->supports_export_type_proc = SupportsExportType; + plugin->supports_icc_profiles_proc = NULL; + plugin->supports_no_pixels_proc = SupportsNoPixels; +} |