diff options
Diffstat (limited to 'plugins/AdvaImg/src/FreeImageToolkit/Rescale.cpp')
| -rw-r--r-- | plugins/AdvaImg/src/FreeImageToolkit/Rescale.cpp | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/plugins/AdvaImg/src/FreeImageToolkit/Rescale.cpp b/plugins/AdvaImg/src/FreeImageToolkit/Rescale.cpp deleted file mode 100644 index 3fdc3e3d6b..0000000000 --- a/plugins/AdvaImg/src/FreeImageToolkit/Rescale.cpp +++ /dev/null @@ -1,192 +0,0 @@ -// ========================================================== -// Upsampling / downsampling routine -// -// Design and implementation by -// - Hervé Drolon (drolon@infonie.fr) -// - Carsten Klein (cklein05@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! -// ========================================================== - -#include "Resize.h" - -FIBITMAP * DLL_CALLCONV -FreeImage_RescaleRect(FIBITMAP *src, int dst_width, int dst_height, int src_left, int src_top, int src_right, int src_bottom, FREE_IMAGE_FILTER filter, unsigned flags) { - FIBITMAP *dst = NULL; - - const int src_width = FreeImage_GetWidth(src); - const int src_height = FreeImage_GetHeight(src); - - if (!FreeImage_HasPixels(src) || (dst_width <= 0) || (dst_height <= 0) || (src_width <= 0) || (src_height <= 0)) { - return NULL; - } - - // normalize the rectangle - if (src_right < src_left) { - INPLACESWAP(src_left, src_right); - } - if (src_bottom < src_top) { - INPLACESWAP(src_top, src_bottom); - } - - // check the size of the sub image - if((src_left < 0) || (src_right > src_width) || (src_top < 0) || (src_bottom > src_height)) { - return NULL; - } - - // select the filter - CGenericFilter *pFilter = NULL; - switch (filter) { - case FILTER_BOX: - pFilter = new(std::nothrow) CBoxFilter(); - break; - case FILTER_BICUBIC: - pFilter = new(std::nothrow) CBicubicFilter(); - break; - case FILTER_BILINEAR: - pFilter = new(std::nothrow) CBilinearFilter(); - break; - case FILTER_BSPLINE: - pFilter = new(std::nothrow) CBSplineFilter(); - break; - case FILTER_CATMULLROM: - pFilter = new(std::nothrow) CCatmullRomFilter(); - break; - case FILTER_LANCZOS3: - pFilter = new(std::nothrow) CLanczos3Filter(); - break; - } - - if (!pFilter) { - return NULL; - } - - CResizeEngine Engine(pFilter); - - dst = Engine.scale(src, dst_width, dst_height, src_left, src_top, - src_right - src_left, src_bottom - src_top, flags); - - delete pFilter; - - if ((flags & FI_RESCALE_OMIT_METADATA) != FI_RESCALE_OMIT_METADATA) { - // copy metadata from src to dst - FreeImage_CloneMetadata(dst, src); - } - - return dst; -} - -FIBITMAP * DLL_CALLCONV -FreeImage_Rescale(FIBITMAP *src, int dst_width, int dst_height, FREE_IMAGE_FILTER filter) { - return FreeImage_RescaleRect(src, dst_width, dst_height, 0, 0, FreeImage_GetWidth(src), FreeImage_GetHeight(src), filter, FI_RESCALE_DEFAULT); -} - -FIBITMAP * DLL_CALLCONV -FreeImage_MakeThumbnail(FIBITMAP *dib, int max_pixel_size, BOOL convert) { - FIBITMAP *thumbnail = NULL; - int new_width, new_height; - - if(!FreeImage_HasPixels(dib) || (max_pixel_size <= 0)) return NULL; - - int width = FreeImage_GetWidth(dib); - int height = FreeImage_GetHeight(dib); - - if(max_pixel_size == 0) max_pixel_size = 1; - - if((width < max_pixel_size) && (height < max_pixel_size)) { - // image is smaller than the requested thumbnail - return FreeImage_Clone(dib); - } - - if(width > height) { - new_width = max_pixel_size; - // change image height with the same ratio - double ratio = ((double)new_width / (double)width); - new_height = (int)(height * ratio + 0.5); - if(new_height == 0) new_height = 1; - } else { - new_height = max_pixel_size; - // change image width with the same ratio - double ratio = ((double)new_height / (double)height); - new_width = (int)(width * ratio + 0.5); - if(new_width == 0) new_width = 1; - } - - const FREE_IMAGE_TYPE image_type = FreeImage_GetImageType(dib); - - // perform downsampling using a bilinear interpolation - - switch(image_type) { - case FIT_BITMAP: - case FIT_UINT16: - case FIT_RGB16: - case FIT_RGBA16: - case FIT_FLOAT: - case FIT_RGBF: - case FIT_RGBAF: - { - FREE_IMAGE_FILTER filter = FILTER_BILINEAR; - thumbnail = FreeImage_Rescale(dib, new_width, new_height, filter); - } - break; - - case FIT_INT16: - case FIT_UINT32: - case FIT_INT32: - case FIT_DOUBLE: - case FIT_COMPLEX: - default: - // cannot rescale this kind of image - thumbnail = NULL; - break; - } - - if((thumbnail != NULL) && (image_type != FIT_BITMAP) && convert) { - // convert to a standard bitmap - FIBITMAP *bitmap = NULL; - switch(image_type) { - case FIT_UINT16: - bitmap = FreeImage_ConvertTo8Bits(thumbnail); - break; - case FIT_RGB16: - bitmap = FreeImage_ConvertTo24Bits(thumbnail); - break; - case FIT_RGBA16: - bitmap = FreeImage_ConvertTo32Bits(thumbnail); - break; - case FIT_FLOAT: - bitmap = FreeImage_ConvertToStandardType(thumbnail, TRUE); - break; - case FIT_RGBF: - bitmap = FreeImage_ToneMapping(thumbnail, FITMO_DRAGO03); - break; - case FIT_RGBAF: - // no way to keep the transparency yet ... - FIBITMAP *rgbf = FreeImage_ConvertToRGBF(thumbnail); - bitmap = FreeImage_ToneMapping(rgbf, FITMO_DRAGO03); - FreeImage_Unload(rgbf); - break; - } - if(bitmap != NULL) { - FreeImage_Unload(thumbnail); - thumbnail = bitmap; - } - } - - // copy metadata from src to dst - FreeImage_CloneMetadata(thumbnail, dib); - - return thumbnail; -} |