From 87d155ba9f4e699293adc65954c89f20fc65b36d Mon Sep 17 00:00:00 2001 From: Kirill Volinsky Date: Sat, 22 Dec 2012 16:38:58 +0000 Subject: AdvaImg plugin folder renaming git-svn-id: http://svn.miranda-ng.org/main/trunk@2801 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c --- plugins/AdvaImg/src/FreeImage/BitmapAccess.cpp | 1210 ++++++++++++++++++++++++ 1 file changed, 1210 insertions(+) create mode 100644 plugins/AdvaImg/src/FreeImage/BitmapAccess.cpp (limited to 'plugins/AdvaImg/src/FreeImage/BitmapAccess.cpp') diff --git a/plugins/AdvaImg/src/FreeImage/BitmapAccess.cpp b/plugins/AdvaImg/src/FreeImage/BitmapAccess.cpp new file mode 100644 index 0000000000..584870f359 --- /dev/null +++ b/plugins/AdvaImg/src/FreeImage/BitmapAccess.cpp @@ -0,0 +1,1210 @@ +// ========================================================== +// FreeImage implementation +// +// Design and implementation by +// - Floris van den Berg (flvdberg@wxs.nl) +// - Hervé Drolon (drolon@infonie.fr) +// - Detlev Vendt (detlev.vendt@brillit.de) +// - Petr Supina (psup@centrum.cz) +// - Carsten Klein (c.klein@datagis.com) +// - Mihail Naydenov (mnaydenov@users.sourceforge.net) +// +// 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! +// ========================================================== + +#ifdef _MSC_VER +#pragma warning (disable : 4786) // identifier was truncated to 'number' characters +#endif + +#include +#if defined(_WIN32) || defined(_WIN64) || defined(__MINGW32__) +#include +#endif // _WIN32 || _WIN64 || __MINGW32__ + +#include "FreeImage.h" +#include "FreeImageIO.h" +#include "Utilities.h" + +#include "../Metadata/FreeImageTag.h" + +// ---------------------------------------------------------- +// Metadata definitions +// ---------------------------------------------------------- + +// helper for map where value is a pointer to a FreeImage tag +typedef std::map TAGMAP; + +// helper for map +typedef std::map METADATAMAP; + +// helper for metadata iterator +FI_STRUCT (METADATAHEADER) { + long pos; // current position when iterating the map + TAGMAP *tagmap; // pointer to the tag map +}; + +// ---------------------------------------------------------- +// FIBITMAP definition +// ---------------------------------------------------------- + +FI_STRUCT (FREEIMAGEHEADER) { + FREE_IMAGE_TYPE type; // data type - bitmap, array of long, double, complex, etc + + unsigned red_mask; // bit layout of the red components + unsigned green_mask; // bit layout of the green components + unsigned blue_mask; // bit layout of the blue components + + RGBQUAD bkgnd_color; // background color used for RGB transparency + + BOOL transparent; // why another table? for easy transparency table retrieval! + int transparency_count; // transparency could be stored in the palette, which is better + BYTE transparent_table[256];// overall, but it requires quite some changes and it will render + // FreeImage_GetTransparencyTable obsolete in its current form; + FIICCPROFILE iccProfile; // space to hold ICC profile + + METADATAMAP *metadata; // contains a list of metadata models attached to the bitmap + + BOOL has_pixels; // FALSE if the FIBITMAP only contains the header and no pixel data + + FIBITMAP *thumbnail; // optionally contains a thumbnail attached to the bitmap + + //BYTE filler[1]; // fill to 32-bit alignment +}; + +// ---------------------------------------------------------- +// Memory allocation on a specified alignment boundary +// ---------------------------------------------------------- + +#if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__) && (!defined(_MSC_VER) || _MSC_VER >= 1300) + +void* FreeImage_Aligned_Malloc(size_t amount, size_t alignment) { + assert(alignment == FIBITMAP_ALIGNMENT); + return _aligned_malloc(amount, alignment); +} + +void FreeImage_Aligned_Free(void* mem) { + _aligned_free(mem); +} + +#elif defined (__MINGW32__) + +void* FreeImage_Aligned_Malloc(size_t amount, size_t alignment) { + assert(alignment == FIBITMAP_ALIGNMENT); + return __mingw_aligned_malloc (amount, alignment); +} + +void FreeImage_Aligned_Free(void* mem) { + __mingw_aligned_free (mem); +} + +#else + +void* FreeImage_Aligned_Malloc(size_t amount, size_t alignment) { + assert(alignment == FIBITMAP_ALIGNMENT); + /* + In some rare situations, the malloc routines can return misaligned memory. + The routine FreeImage_Aligned_Malloc allocates a bit more memory to do + aligned writes. Normally, it *should* allocate "alignment" extra memory and then writes + one dword back the true pointer. But if the memory manager returns a + misaligned block that is less than a dword from the next alignment, + then the writing back one dword will corrupt memory. + + For example, suppose that alignment is 16 and malloc returns the address 0xFFFF. + + 16 - 0xFFFF % 16 + 0xFFFF = 16 - 15 + 0xFFFF = 0x10000. + + Now, you subtract one dword from that and write and that will corrupt memory. + + That's why the code below allocates *two* alignments instead of one. + */ + void* mem_real = malloc(amount + 2 * alignment); + if (!mem_real) return NULL; + char* mem_align = (char*)((unsigned long)(2 * alignment - (unsigned long)mem_real % (unsigned long)alignment) + (unsigned long)mem_real); + *((long*)mem_align - 1) = (long)mem_real; + return mem_align; +} + +void FreeImage_Aligned_Free(void* mem) { + free((void*)*((long*)mem - 1)); +} + +#endif // _WIN32 || _WIN64 + +// ---------------------------------------------------------- +// DIB information functions +// ---------------------------------------------------------- + +/** +Calculate the size of a FreeImage image. +Align the palette and the pixels on a FIBITMAP_ALIGNMENT bytes alignment boundary. + +@param header_only If TRUE, calculate a 'header only' FIBITMAP size, otherwise calculate a full FIBITMAP size +@param width +@param height +@param bpp +@see FreeImage_AllocateHeaderT +*/ +static size_t +FreeImage_GetImageSizeHeader(BOOL header_only, unsigned width, unsigned height, unsigned bpp) { + size_t dib_size = sizeof(FREEIMAGEHEADER); + dib_size += (dib_size % FIBITMAP_ALIGNMENT ? FIBITMAP_ALIGNMENT - dib_size % FIBITMAP_ALIGNMENT : 0); + dib_size += FIBITMAP_ALIGNMENT - sizeof(BITMAPINFOHEADER) % FIBITMAP_ALIGNMENT; + dib_size += sizeof(BITMAPINFOHEADER); + // palette is aligned on a 16 bytes boundary + dib_size += sizeof(RGBQUAD) * CalculateUsedPaletteEntries(bpp); + dib_size += (dib_size % FIBITMAP_ALIGNMENT ? FIBITMAP_ALIGNMENT - dib_size % FIBITMAP_ALIGNMENT : 0); + if (!header_only) { + const size_t header_size = dib_size; + + // pixels are aligned on a 16 bytes boundary + dib_size += (size_t)CalculatePitch(CalculateLine(width, bpp)) * (size_t)height; + + // check for possible malloc overflow using a KISS integer overflow detection mechanism + { + /* + The following constant take into account the additionnal memory used by + aligned malloc functions as well as debug malloc functions. + It is supposed here that using a (8 * FIBITMAP_ALIGNMENT) risk margin will be enough + for the target compiler. + */ + const double FIBITMAP_MAX_MEMORY = (double)((size_t)-1) - 8 * FIBITMAP_ALIGNMENT; + const double dPitch = floor( ((double)bpp * width + 31.0) / 32.0 ) * 4.0; + const double dImageSize = (double)header_size + dPitch * height; + if(dImageSize != (double)dib_size) { + // here, we are sure to encounter a malloc overflow: try to avoid it ... + return 0; + } + if(dImageSize > FIBITMAP_MAX_MEMORY) { + // avoid possible overflow inside C allocation functions + return 0; + } + } + } + + return dib_size; +} + +FIBITMAP * DLL_CALLCONV +FreeImage_AllocateHeaderT(BOOL header_only, FREE_IMAGE_TYPE type, int width, int height, int bpp, unsigned red_mask, unsigned green_mask, unsigned blue_mask) { + FIBITMAP *bitmap = (FIBITMAP *)malloc(sizeof(FIBITMAP)); + + if (bitmap != NULL) { + width = abs(width); + height = abs(height); + + // check pixel bit depth + switch(type) { + case FIT_BITMAP: + switch(bpp) { + case 1: + case 4: + case 8: + case 16: + case 24: + case 32: + break; + default: + bpp = 8; + break; + } + break; + case FIT_UINT16: + bpp = 8 * sizeof(unsigned short); + break; + case FIT_INT16: + bpp = 8 * sizeof(short); + break; + case FIT_UINT32: + bpp = 8 * sizeof(DWORD); + break; + case FIT_INT32: + bpp = 8 * sizeof(LONG); + break; + case FIT_FLOAT: + bpp = 8 * sizeof(float); + break; + case FIT_DOUBLE: + bpp = 8 * sizeof(double); + break; + case FIT_COMPLEX: + bpp = 8 * sizeof(FICOMPLEX); + break; + case FIT_RGB16: + bpp = 8 * sizeof(FIRGB16); + break; + case FIT_RGBA16: + bpp = 8 * sizeof(FIRGBA16); + break; + case FIT_RGBF: + bpp = 8 * sizeof(FIRGBF); + break; + case FIT_RGBAF: + bpp = 8 * sizeof(FIRGBAF); + break; + default: + free(bitmap); + return NULL; + } + + // calculate the size of a FreeImage image + // align the palette and the pixels on a FIBITMAP_ALIGNMENT bytes alignment boundary + // palette is aligned on a 16 bytes boundary + // pixels are aligned on a 16 bytes boundary + + size_t dib_size = FreeImage_GetImageSizeHeader(header_only, width, height, bpp); + + if(dib_size == 0) { + // memory allocation will fail (probably a malloc overflow) + free(bitmap); + return NULL; + } + + bitmap->data = (BYTE *)FreeImage_Aligned_Malloc(dib_size * sizeof(BYTE), FIBITMAP_ALIGNMENT); + + if (bitmap->data != NULL) { + memset(bitmap->data, 0, dib_size); + + // write out the FREEIMAGEHEADER + + FREEIMAGEHEADER *fih = (FREEIMAGEHEADER *)bitmap->data; + fih->type = type; + + fih->red_mask = red_mask; + fih->green_mask = green_mask; + fih->blue_mask = blue_mask; + + memset(&fih->bkgnd_color, 0, sizeof(RGBQUAD)); + + fih->transparent = FALSE; + fih->transparency_count = 0; + memset(fih->transparent_table, 0xff, 256); + + fih->has_pixels = header_only ? FALSE : TRUE; + + // initialize FIICCPROFILE link + + FIICCPROFILE *iccProfile = FreeImage_GetICCProfile(bitmap); + iccProfile->size = 0; + iccProfile->data = 0; + iccProfile->flags = 0; + + // initialize metadata models list + + fih->metadata = new(std::nothrow) METADATAMAP; + + // initialize attached thumbnail + + fih->thumbnail = NULL; + + // write out the BITMAPINFOHEADER + + BITMAPINFOHEADER *bih = FreeImage_GetInfoHeader(bitmap); + bih->biSize = sizeof(BITMAPINFOHEADER); + bih->biWidth = width; + bih->biHeight = height; + bih->biPlanes = 1; + bih->biCompression = 0; + bih->biBitCount = (WORD)bpp; + bih->biClrUsed = CalculateUsedPaletteEntries(bpp); + bih->biClrImportant = bih->biClrUsed; + bih->biXPelsPerMeter = 2835; // 72 dpi + bih->biYPelsPerMeter = 2835; // 72 dpi + + if(bpp == 8) { + // build a default greyscale palette (very useful for image processing) + RGBQUAD *pal = FreeImage_GetPalette(bitmap); + for(int i = 0; i < 256; i++) { + pal[i].rgbRed = (BYTE)i; + pal[i].rgbGreen = (BYTE)i; + pal[i].rgbBlue = (BYTE)i; + } + } + + return bitmap; + } + + free(bitmap); + } + + return NULL; +} + +FIBITMAP * DLL_CALLCONV +FreeImage_AllocateHeader(BOOL header_only, int width, int height, int bpp, unsigned red_mask, unsigned green_mask, unsigned blue_mask) { + return FreeImage_AllocateHeaderT(header_only, FIT_BITMAP, width, height, bpp, red_mask, green_mask, blue_mask); +} + +FIBITMAP * DLL_CALLCONV +FreeImage_Allocate(int width, int height, int bpp, unsigned red_mask, unsigned green_mask, unsigned blue_mask) { + return FreeImage_AllocateHeaderT(FALSE, FIT_BITMAP, width, height, bpp, red_mask, green_mask, blue_mask); +} + +FIBITMAP * DLL_CALLCONV +FreeImage_AllocateT(FREE_IMAGE_TYPE type, int width, int height, int bpp, unsigned red_mask, unsigned green_mask, unsigned blue_mask) { + return FreeImage_AllocateHeaderT(FALSE, type, width, height, bpp, red_mask, green_mask, blue_mask); +} + +void DLL_CALLCONV +FreeImage_Unload(FIBITMAP *dib) { + if (NULL != dib) { + if (NULL != dib->data) { + // delete possible icc profile ... + if (FreeImage_GetICCProfile(dib)->data) + free(FreeImage_GetICCProfile(dib)->data); + + // delete metadata models + METADATAMAP *metadata = ((FREEIMAGEHEADER *)dib->data)->metadata; + + for(METADATAMAP::iterator i = (*metadata).begin(); i != (*metadata).end(); i++) { + TAGMAP *tagmap = (*i).second; + + if(tagmap) { + for(TAGMAP::iterator j = tagmap->begin(); j != tagmap->end(); j++) { + FITAG *tag = (*j).second; + FreeImage_DeleteTag(tag); + } + + delete tagmap; + } + } + + delete metadata; + + // delete embedded thumbnail + FreeImage_Unload(FreeImage_GetThumbnail(dib)); + + // delete bitmap ... + FreeImage_Aligned_Free(dib->data); + } + free(dib); // ... and the wrapper + } +} + +// ---------------------------------------------------------- + +FIBITMAP * DLL_CALLCONV +FreeImage_Clone(FIBITMAP *dib) { + if (!dib) return NULL; + + unsigned width = FreeImage_GetWidth(dib); + unsigned height = FreeImage_GetHeight(dib); + unsigned bpp = FreeImage_GetBPP(dib); + + // check for pixel availability ... + BOOL header_only = FreeImage_HasPixels(dib) ? FALSE : TRUE; + + // allocate a new dib + FIBITMAP *new_dib = FreeImage_AllocateHeaderT(header_only, FreeImage_GetImageType(dib), width, height, bpp, + FreeImage_GetRedMask(dib), FreeImage_GetGreenMask(dib), FreeImage_GetBlueMask(dib)); + + if (new_dib) { + // save ICC profile links + FIICCPROFILE *src_iccProfile = FreeImage_GetICCProfile(dib); + FIICCPROFILE *dst_iccProfile = FreeImage_GetICCProfile(new_dib); + + // save metadata links + METADATAMAP *src_metadata = ((FREEIMAGEHEADER *)dib->data)->metadata; + METADATAMAP *dst_metadata = ((FREEIMAGEHEADER *)new_dib->data)->metadata; + + // calculate the size of a FreeImage image + // align the palette and the pixels on a FIBITMAP_ALIGNMENT bytes alignment boundary + // palette is aligned on a 16 bytes boundary + // pixels are aligned on a 16 bytes boundary + + size_t dib_size = FreeImage_GetImageSizeHeader(header_only, width, height, bpp); + + // copy the bitmap + internal pointers (remember to restore new_dib internal pointers later) + memcpy(new_dib->data, dib->data, dib_size); + + // reset ICC profile link for new_dib + memset(dst_iccProfile, 0, sizeof(FIICCPROFILE)); + + // restore metadata link for new_dib + ((FREEIMAGEHEADER *)new_dib->data)->metadata = dst_metadata; + + // reset thumbnail link for new_dib + ((FREEIMAGEHEADER *)new_dib->data)->thumbnail = NULL; + + // copy possible ICC profile + FreeImage_CreateICCProfile(new_dib, src_iccProfile->data, src_iccProfile->size); + dst_iccProfile->flags = src_iccProfile->flags; + + // copy metadata models + for(METADATAMAP::iterator i = (*src_metadata).begin(); i != (*src_metadata).end(); i++) { + int model = (*i).first; + TAGMAP *src_tagmap = (*i).second; + + if(src_tagmap) { + // create a metadata model + TAGMAP *dst_tagmap = new(std::nothrow) TAGMAP(); + + if(dst_tagmap) { + // fill the model + for(TAGMAP::iterator j = src_tagmap->begin(); j != src_tagmap->end(); j++) { + std::string dst_key = (*j).first; + FITAG *dst_tag = FreeImage_CloneTag( (*j).second ); + + // assign key and tag value + (*dst_tagmap)[dst_key] = dst_tag; + } + + // assign model and tagmap + (*dst_metadata)[model] = dst_tagmap; + } + } + } + + // copy the thumbnail + FreeImage_SetThumbnail(new_dib, FreeImage_GetThumbnail(dib)); + + return new_dib; + } + + return NULL; +} + +// ---------------------------------------------------------- + +FIBITMAP* DLL_CALLCONV +FreeImage_GetThumbnail(FIBITMAP *dib) { + return (dib != NULL) ? ((FREEIMAGEHEADER *)dib->data)->thumbnail : NULL; +} + +BOOL DLL_CALLCONV +FreeImage_SetThumbnail(FIBITMAP *dib, FIBITMAP *thumbnail) { + if(dib == NULL) { + return FALSE; + } + FIBITMAP *currentThumbnail = ((FREEIMAGEHEADER *)dib->data)->thumbnail; + if(currentThumbnail == thumbnail) { + return TRUE; + } + FreeImage_Unload(currentThumbnail); + + ((FREEIMAGEHEADER *)dib->data)->thumbnail = FreeImage_HasPixels(thumbnail) ? FreeImage_Clone(thumbnail) : NULL; + + return TRUE; +} + +// ---------------------------------------------------------- + +FREE_IMAGE_COLOR_TYPE DLL_CALLCONV +FreeImage_GetColorType(FIBITMAP *dib) { + RGBQUAD *rgb; + + const FREE_IMAGE_TYPE image_type = FreeImage_GetImageType(dib); + + // special bitmap type + if(image_type != FIT_BITMAP) { + switch(image_type) { + case FIT_RGB16: + case FIT_RGBF: + return FIC_RGB; + case FIT_RGBA16: + case FIT_RGBAF: + return FIC_RGBALPHA; + } + + return FIC_MINISBLACK; + } + + // standard image type + switch (FreeImage_GetBPP(dib)) { + case 1: + { + rgb = FreeImage_GetPalette(dib); + + if ((rgb->rgbRed == 0) && (rgb->rgbGreen == 0) && (rgb->rgbBlue == 0)) { + rgb++; + + if ((rgb->rgbRed == 255) && (rgb->rgbGreen == 255) && (rgb->rgbBlue == 255)) + return FIC_MINISBLACK; + } + + if ((rgb->rgbRed == 255) && (rgb->rgbGreen == 255) && (rgb->rgbBlue == 255)) { + rgb++; + + if ((rgb->rgbRed == 0) && (rgb->rgbGreen == 0) && (rgb->rgbBlue == 0)) + return FIC_MINISWHITE; + } + + return FIC_PALETTE; + } + + case 4: + case 8: // Check if the DIB has a color or a greyscale palette + { + int ncolors = FreeImage_GetColorsUsed(dib); + int minisblack = 1; + rgb = FreeImage_GetPalette(dib); + + for (int i = 0; i < ncolors; i++) { + if ((rgb->rgbRed != rgb->rgbGreen) || (rgb->rgbRed != rgb->rgbBlue)) + return FIC_PALETTE; + + // The DIB has a color palette if the greyscale isn't a linear ramp + // Take care of reversed grey images + if (rgb->rgbRed != i) { + if ((ncolors-i-1) != rgb->rgbRed) + return FIC_PALETTE; + else + minisblack = 0; + } + + rgb++; + } + + return minisblack ? FIC_MINISBLACK : FIC_MINISWHITE; + } + + case 16: + case 24: + return FIC_RGB; + + case 32: + { + if (FreeImage_GetICCProfile(dib)->flags & FIICC_COLOR_IS_CMYK) + return FIC_CMYK; + + for (unsigned y = 0; y < FreeImage_GetHeight(dib); y++) { + rgb = (RGBQUAD *)FreeImage_GetScanLine(dib, y); + + for (unsigned x = 0; x < FreeImage_GetWidth(dib); x++) + if (rgb[x].rgbReserved != 0xFF) + return FIC_RGBALPHA; + } + + return FIC_RGB; + } + + default : + return FIC_MINISBLACK; + } +} + +// ---------------------------------------------------------- + +FREE_IMAGE_TYPE DLL_CALLCONV +FreeImage_GetImageType(FIBITMAP *dib) { + return (dib != NULL) ? ((FREEIMAGEHEADER *)dib->data)->type : FIT_UNKNOWN; +} + +// ---------------------------------------------------------- + +BOOL DLL_CALLCONV +FreeImage_HasPixels(FIBITMAP *dib) { + return (dib != NULL) ? ((FREEIMAGEHEADER *)dib->data)->has_pixels : FALSE; +} + +// ---------------------------------------------------------- + +unsigned DLL_CALLCONV +FreeImage_GetRedMask(FIBITMAP *dib) { + return dib ? ((FREEIMAGEHEADER *)dib->data)->red_mask : 0; +} + +unsigned DLL_CALLCONV +FreeImage_GetGreenMask(FIBITMAP *dib) { + return dib ? ((FREEIMAGEHEADER *)dib->data)->green_mask : 0; +} + +unsigned DLL_CALLCONV +FreeImage_GetBlueMask(FIBITMAP *dib) { + return dib ? ((FREEIMAGEHEADER *)dib->data)->blue_mask : 0; +} + +// ---------------------------------------------------------- + +BOOL DLL_CALLCONV +FreeImage_HasBackgroundColor(FIBITMAP *dib) { + if(dib) { + RGBQUAD *bkgnd_color = &((FREEIMAGEHEADER *)dib->data)->bkgnd_color; + return (bkgnd_color->rgbReserved != 0) ? TRUE : FALSE; + } + return FALSE; +} + +BOOL DLL_CALLCONV +FreeImage_GetBackgroundColor(FIBITMAP *dib, RGBQUAD *bkcolor) { + if(dib && bkcolor) { + if(FreeImage_HasBackgroundColor(dib)) { + // get the background color + RGBQUAD *bkgnd_color = &((FREEIMAGEHEADER *)dib->data)->bkgnd_color; + memcpy(bkcolor, bkgnd_color, sizeof(RGBQUAD)); + // get the background index + if(FreeImage_GetBPP(dib) == 8) { + RGBQUAD *pal = FreeImage_GetPalette(dib); + for(unsigned i = 0; i < FreeImage_GetColorsUsed(dib); i++) { + if(bkgnd_color->rgbRed == pal[i].rgbRed) { + if(bkgnd_color->rgbGreen == pal[i].rgbGreen) { + if(bkgnd_color->rgbBlue == pal[i].rgbBlue) { + bkcolor->rgbReserved = (BYTE)i; + return TRUE; + } + } + } + } + } + + bkcolor->rgbReserved = 0; + + return TRUE; + } + } + + return FALSE; +} + +BOOL DLL_CALLCONV +FreeImage_SetBackgroundColor(FIBITMAP *dib, RGBQUAD *bkcolor) { + if(dib) { + RGBQUAD *bkgnd_color = &((FREEIMAGEHEADER *)dib->data)->bkgnd_color; + if(bkcolor) { + // set the background color + memcpy(bkgnd_color, bkcolor, sizeof(RGBQUAD)); + // enable the file background color + bkgnd_color->rgbReserved = 1; + } else { + // clear and disable the file background color + memset(bkgnd_color, 0, sizeof(RGBQUAD)); + } + return TRUE; + } + + return FALSE; +} + +// ---------------------------------------------------------- + +BOOL DLL_CALLCONV +FreeImage_IsTransparent(FIBITMAP *dib) { + if(dib) { + FREE_IMAGE_TYPE image_type = FreeImage_GetImageType(dib); + switch(image_type) { + case FIT_BITMAP: + if(FreeImage_GetBPP(dib) == 32) { + if(FreeImage_GetColorType(dib) == FIC_RGBALPHA) { + return TRUE; + } + } else { + return ((FREEIMAGEHEADER *)dib->data)->transparent ? TRUE : FALSE; + } + break; + case FIT_RGBA16: + case FIT_RGBAF: + return TRUE; + default: + break; + } + } + return FALSE; +} + +BYTE * DLL_CALLCONV +FreeImage_GetTransparencyTable(FIBITMAP *dib) { + return dib ? ((FREEIMAGEHEADER *)dib->data)->transparent_table : NULL; +} + +void DLL_CALLCONV +FreeImage_SetTransparent(FIBITMAP *dib, BOOL enabled) { + if (dib) { + if ((FreeImage_GetBPP(dib) <= 8) || (FreeImage_GetBPP(dib) == 32)) { + ((FREEIMAGEHEADER *)dib->data)->transparent = enabled; + } else { + ((FREEIMAGEHEADER *)dib->data)->transparent = FALSE; + } + } +} + +unsigned DLL_CALLCONV +FreeImage_GetTransparencyCount(FIBITMAP *dib) { + return dib ? ((FREEIMAGEHEADER *)dib->data)->transparency_count : 0; +} + +void DLL_CALLCONV +FreeImage_SetTransparencyTable(FIBITMAP *dib, BYTE *table, int count) { + if (dib) { + count = MIN(count, 256); + if (FreeImage_GetBPP(dib) <= 8) { + ((FREEIMAGEHEADER *)dib->data)->transparent = TRUE; + ((FREEIMAGEHEADER *)dib->data)->transparency_count = count; + + if (table) { + memcpy(((FREEIMAGEHEADER *)dib->data)->transparent_table, table, count); + } else { + memset(((FREEIMAGEHEADER *)dib->data)->transparent_table, 0xff, count); + } + } + } +} + +/** @brief Sets the index of the palette entry to be used as transparent color + for the image specified. Does nothing on high color images. + + This method sets the index of the palette entry to be used as single transparent + color for the image specified. This works on palletised images only and does + nothing for high color images. + + Although it is possible for palletised images to have more than one transparent + color, this method sets the palette entry specified as the single transparent + color for the image. All other colors will be set to be non-transparent by this + method. + + As with FreeImage_SetTransparencyTable(), this method also sets the image's + transparency property to TRUE (as it is set and obtained by + FreeImage_SetTransparent() and FreeImage_IsTransparent() respectively) for + palletised images. + + @param dib Input image, whose transparent color is to be set. + @param index The index of the palette entry to be set as transparent color. + */ +void DLL_CALLCONV +FreeImage_SetTransparentIndex(FIBITMAP *dib, int index) { + if (dib) { + int count = FreeImage_GetColorsUsed(dib); + if (count) { + BYTE *new_tt = (BYTE *)malloc(count * sizeof(BYTE)); + memset(new_tt, 0xFF, count); + if ((index >= 0) && (index < count)) { + new_tt[index] = 0x00; + } + FreeImage_SetTransparencyTable(dib, new_tt, count); + free(new_tt); + } + } +} + +/** @brief Returns the palette entry used as transparent color for the image + specified. Works for palletised images only and returns -1 for high color + images or if the image has no color set to be transparent. + + Although it is possible for palletised images to have more than one transparent + color, this function always returns the index of the first palette entry, set + to be transparent. + + @param dib Input image, whose transparent color is to be returned. + @return Returns the index of the palette entry used as transparent color for + the image specified or -1 if there is no transparent color found (e.g. the image + is a high color image). + */ +int DLL_CALLCONV +FreeImage_GetTransparentIndex(FIBITMAP *dib) { + int count = FreeImage_GetTransparencyCount(dib); + BYTE *tt = FreeImage_GetTransparencyTable(dib); + for (int i = 0; i < count; i++) { + if (tt[i] == 0) { + return i; + } + } + return -1; +} + +// ---------------------------------------------------------- + +FIICCPROFILE * DLL_CALLCONV +FreeImage_GetICCProfile(FIBITMAP *dib) { + FIICCPROFILE *profile = (dib) ? (FIICCPROFILE *)&((FREEIMAGEHEADER *)dib->data)->iccProfile : NULL; + return profile; +} + +FIICCPROFILE * DLL_CALLCONV +FreeImage_CreateICCProfile(FIBITMAP *dib, void *data, long size) { + // clear the profile but preserve profile->flags + FreeImage_DestroyICCProfile(dib); + // create the new profile + FIICCPROFILE *profile = FreeImage_GetICCProfile(dib); + if(size && profile) { + profile->data = malloc(size); + if(profile->data) { + memcpy(profile->data, data, profile->size = size); + } + } + return profile; +} + +void DLL_CALLCONV +FreeImage_DestroyICCProfile(FIBITMAP *dib) { + FIICCPROFILE *profile = FreeImage_GetICCProfile(dib); + if(profile) { + if (profile->data) { + free (profile->data); + } + // clear the profile but preserve profile->flags + profile->data = NULL; + profile->size = 0; + } +} + +// ---------------------------------------------------------- + +unsigned DLL_CALLCONV +FreeImage_GetWidth(FIBITMAP *dib) { + return dib ? FreeImage_GetInfoHeader(dib)->biWidth : 0; +} + +unsigned DLL_CALLCONV +FreeImage_GetHeight(FIBITMAP *dib) { + return (dib) ? FreeImage_GetInfoHeader(dib)->biHeight : 0; +} + +unsigned DLL_CALLCONV +FreeImage_GetBPP(FIBITMAP *dib) { + return dib ? FreeImage_GetInfoHeader(dib)->biBitCount : 0; +} + +unsigned DLL_CALLCONV +FreeImage_GetLine(FIBITMAP *dib) { + return dib ? ((FreeImage_GetWidth(dib) * FreeImage_GetBPP(dib)) + 7) / 8 : 0; +} + +unsigned DLL_CALLCONV +FreeImage_GetPitch(FIBITMAP *dib) { + return dib ? FreeImage_GetLine(dib) + 3 & ~3 : 0; +} + +unsigned DLL_CALLCONV +FreeImage_GetColorsUsed(FIBITMAP *dib) { + return dib ? FreeImage_GetInfoHeader(dib)->biClrUsed : 0; +} + +unsigned DLL_CALLCONV +FreeImage_GetDIBSize(FIBITMAP *dib) { + return (dib) ? sizeof(BITMAPINFOHEADER) + (FreeImage_GetColorsUsed(dib) * sizeof(RGBQUAD)) + (FreeImage_GetPitch(dib) * FreeImage_GetHeight(dib)) : 0; +} + +RGBQUAD * DLL_CALLCONV +FreeImage_GetPalette(FIBITMAP *dib) { + return (dib && FreeImage_GetBPP(dib) < 16) ? (RGBQUAD *)(((BYTE *)FreeImage_GetInfoHeader(dib)) + sizeof(BITMAPINFOHEADER)) : NULL; +} + +unsigned DLL_CALLCONV +FreeImage_GetDotsPerMeterX(FIBITMAP *dib) { + return (dib) ? FreeImage_GetInfoHeader(dib)->biXPelsPerMeter : 0; +} + +unsigned DLL_CALLCONV +FreeImage_GetDotsPerMeterY(FIBITMAP *dib) { + return (dib) ? FreeImage_GetInfoHeader(dib)->biYPelsPerMeter : 0; +} + +void DLL_CALLCONV +FreeImage_SetDotsPerMeterX(FIBITMAP *dib, unsigned res) { + if(dib) { + FreeImage_GetInfoHeader(dib)->biXPelsPerMeter = res; + } +} + +void DLL_CALLCONV +FreeImage_SetDotsPerMeterY(FIBITMAP *dib, unsigned res) { + if(dib) { + FreeImage_GetInfoHeader(dib)->biYPelsPerMeter = res; + } +} + +BITMAPINFOHEADER * DLL_CALLCONV +FreeImage_GetInfoHeader(FIBITMAP *dib) { + if (!dib) return NULL; + size_t lp = (size_t)dib->data + sizeof(FREEIMAGEHEADER); + lp += (lp % FIBITMAP_ALIGNMENT ? FIBITMAP_ALIGNMENT - lp % FIBITMAP_ALIGNMENT : 0); + lp += FIBITMAP_ALIGNMENT - sizeof(BITMAPINFOHEADER) % FIBITMAP_ALIGNMENT; + return (BITMAPINFOHEADER *)lp; +} + +BITMAPINFO * DLL_CALLCONV +FreeImage_GetInfo(FIBITMAP *dib) { + return (BITMAPINFO *)FreeImage_GetInfoHeader(dib); +} + +// ---------------------------------------------------------- +// Metadata routines +// ---------------------------------------------------------- + +FIMETADATA * DLL_CALLCONV +FreeImage_FindFirstMetadata(FREE_IMAGE_MDMODEL model, FIBITMAP *dib, FITAG **tag) { + if (!dib) + return NULL; + + // get the metadata model + METADATAMAP *metadata = ((FREEIMAGEHEADER *)dib->data)->metadata; + TAGMAP *tagmap = NULL; + if ( (*metadata).find(model) != (*metadata).end()) { + tagmap = (*metadata)[model]; + } + if(tagmap) { + // allocate a handle + FIMETADATA *handle = (FIMETADATA *)malloc(sizeof(FIMETADATA)); + if(handle) { + // calculate the size of a METADATAHEADER + int header_size = sizeof(METADATAHEADER); + + handle->data = (BYTE *)malloc(header_size * sizeof(BYTE)); + + if(handle->data) { + memset(handle->data, 0, header_size * sizeof(BYTE)); + + // write out the METADATAHEADER + METADATAHEADER *mdh = (METADATAHEADER *)handle->data; + + mdh->pos = 1; + mdh->tagmap = tagmap; + + // get the first element + TAGMAP::iterator i = tagmap->begin(); + *tag = (*i).second; + + return handle; + } + + free(handle); + } + } + + return NULL; +} + +BOOL DLL_CALLCONV +FreeImage_FindNextMetadata(FIMETADATA *mdhandle, FITAG **tag) { + if (!mdhandle) + return FALSE; + + METADATAHEADER *mdh = (METADATAHEADER *)mdhandle->data; + TAGMAP *tagmap = mdh->tagmap; + + int current_pos = mdh->pos; + int mapsize = (int)tagmap->size(); + + if(current_pos < mapsize) { + // get the tag element at position pos + int count = 0; + + for(TAGMAP::iterator i = tagmap->begin(); i != tagmap->end(); i++) { + if(count == current_pos) { + *tag = (*i).second; + mdh->pos++; + break; + } + count++; + } + + return TRUE; + } + + return FALSE; +} + +void DLL_CALLCONV +FreeImage_FindCloseMetadata(FIMETADATA *mdhandle) { + if (NULL != mdhandle) { // delete the handle + if (NULL != mdhandle->data) { + free(mdhandle->data); + } + free(mdhandle); // ... and the wrapper + } +} + + +// ---------------------------------------------------------- + +BOOL DLL_CALLCONV +FreeImage_CloneMetadata(FIBITMAP *dst, FIBITMAP *src) { + if (!src || !dst) return FALSE; + + // get metadata links + METADATAMAP *src_metadata = ((FREEIMAGEHEADER *)src->data)->metadata; + METADATAMAP *dst_metadata = ((FREEIMAGEHEADER *)dst->data)->metadata; + + // copy metadata models, *except* the FIMD_ANIMATION model + for(METADATAMAP::iterator i = (*src_metadata).begin(); i != (*src_metadata).end(); i++) { + int model = (*i).first; + if(model == (int)FIMD_ANIMATION) { + continue; + } + TAGMAP *src_tagmap = (*i).second; + + if(src_tagmap) { + if ( dst_metadata->find(model) != dst_metadata->end()) { + // destroy dst model + FreeImage_SetMetadata((FREE_IMAGE_MDMODEL)model, dst, NULL, NULL); + } + + // create a metadata model + TAGMAP *dst_tagmap = new(std::nothrow) TAGMAP(); + + if(dst_tagmap) { + // fill the model + for(TAGMAP::iterator j = src_tagmap->begin(); j != src_tagmap->end(); j++) { + std::string dst_key = (*j).first; + FITAG *dst_tag = FreeImage_CloneTag( (*j).second ); + + // assign key and tag value + (*dst_tagmap)[dst_key] = dst_tag; + } + + // assign model and tagmap + (*dst_metadata)[model] = dst_tagmap; + } + } + } + + // clone resolution + FreeImage_SetDotsPerMeterX(dst, FreeImage_GetDotsPerMeterX(src)); + FreeImage_SetDotsPerMeterY(dst, FreeImage_GetDotsPerMeterY(src)); + + return TRUE; +} + +// ---------------------------------------------------------- + +BOOL DLL_CALLCONV +FreeImage_SetMetadata(FREE_IMAGE_MDMODEL model, FIBITMAP *dib, const char *key, FITAG *tag) { + if (!dib) + return FALSE; + + TAGMAP *tagmap = NULL; + + // get the metadata model + METADATAMAP *metadata = ((FREEIMAGEHEADER *)dib->data)->metadata; + METADATAMAP::iterator model_iterator = metadata->find(model); + if (model_iterator != metadata->end()) { + tagmap = model_iterator->second; + } + + if(key != NULL) { + + if (!tagmap) { + // this model, doesn't exist: create it + tagmap = new(std::nothrow) TAGMAP(); + (*metadata)[model] = tagmap; + } + + if(tag) { + // first check the tag + if(FreeImage_GetTagKey(tag) == NULL) { + FreeImage_SetTagKey(tag, key); + } else if(strcmp(key, FreeImage_GetTagKey(tag)) != 0) { + // set the tag key + FreeImage_SetTagKey(tag, key); + } + if(FreeImage_GetTagCount(tag) * FreeImage_TagDataWidth(FreeImage_GetTagType(tag)) != FreeImage_GetTagLength(tag)) { + FreeImage_OutputMessageProc(FIF_UNKNOWN, "Invalid data count for tag '%s'", key); + return FALSE; + } + + // fill the tag ID if possible and if it's needed + TagLib& tag_lib = TagLib::instance(); + switch(model) { + case FIMD_IPTC: + { + int id = tag_lib.getTagID(TagLib::IPTC, key); + /* + if(id == -1) { + FreeImage_OutputMessageProc(FIF_UNKNOWN, "IPTC: Invalid key '%s'", key); + } + */ + FreeImage_SetTagID(tag, (WORD)id); + } + break; + + default: + break; + } + + // delete existing tag + FITAG *old_tag = (*tagmap)[key]; + if(old_tag) { + FreeImage_DeleteTag(old_tag); + } + + // create a new tag + (*tagmap)[key] = FreeImage_CloneTag(tag); + } + else { + // delete existing tag + TAGMAP::iterator i = tagmap->find(key); + if(i != tagmap->end()) { + FITAG *old_tag = (*i).second; + FreeImage_DeleteTag(old_tag); + tagmap->erase(key); + } + } + } + else { + // destroy the metadata model + if(tagmap) { + for(TAGMAP::iterator i = tagmap->begin(); i != tagmap->end(); i++) { + FITAG *tag = (*i).second; + FreeImage_DeleteTag(tag); + } + + delete tagmap; + metadata->erase(model_iterator); + } + } + + return TRUE; +} + +BOOL DLL_CALLCONV +FreeImage_GetMetadata(FREE_IMAGE_MDMODEL model, FIBITMAP *dib, const char *key, FITAG **tag) { + if (!dib || !key || !tag) + return FALSE; + + TAGMAP *tagmap = NULL; + *tag = NULL; + + // get the metadata model + METADATAMAP *metadata = ((FREEIMAGEHEADER *)dib->data)->metadata; + if (!(*metadata).empty()) { + METADATAMAP::iterator model_iterator = metadata->find(model); + if (model_iterator != metadata->end()) { + // this model exists : try to get the requested tag + tagmap = model_iterator->second; + TAGMAP::iterator tag_iterator = tagmap->find(key); + if (tag_iterator != tagmap->end()) { + // get the requested tag + *tag = tag_iterator->second; + } + } + } + + return (*tag != NULL) ? TRUE : FALSE; +} + +// ---------------------------------------------------------- + +unsigned DLL_CALLCONV +FreeImage_GetMetadataCount(FREE_IMAGE_MDMODEL model, FIBITMAP *dib) { + if (!dib) + return FALSE; + + TAGMAP *tagmap = NULL; + + // get the metadata model + METADATAMAP *metadata = ((FREEIMAGEHEADER *)dib->data)->metadata; + if ( (*metadata).find(model) != (*metadata).end()) { + tagmap = (*metadata)[model]; + } + if (!tagmap) { + // this model, doesn't exist: return + return 0; + } + + // get the tag count + return (unsigned)tagmap->size(); +} + +// ---------------------------------------------------------- + + -- cgit v1.2.3