98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
// ==========================================================
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// FreeImage 3 Test Script
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//
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// Design and implementation by
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// - Hervé Drolon (drolon@infonie.fr)
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//
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// This file is part of FreeImage 3
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//
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// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
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// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
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// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
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// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
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// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
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// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
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// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
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// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
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// THIS DISCLAIMER.
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//
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// Use at your own risk!
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// ==========================================================
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#include "TestSuite.h"
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void
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testBuildMPage(char *src_filename, char *dst_filename, FREE_IMAGE_FORMAT dst_fif, unsigned bpp) {
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// get the file type
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FREE_IMAGE_FORMAT src_fif = FreeImage_GetFileType(src_filename);
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// load the file
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FIBITMAP *src = FreeImage_Load(src_fif, src_filename, 0); //24bit image
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unsigned src_bpp = FreeImage_GetBPP(src);
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// convert to the requested bitdepth
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if(src_bpp != bpp) {
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FIBITMAP *tmp = NULL;
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switch(bpp) {
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case 8:
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tmp = FreeImage_ConvertTo8Bits(src);
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break;
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case 24:
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tmp = FreeImage_ConvertTo24Bits(src);
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break;
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}
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assert(tmp != NULL);
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FreeImage_Unload(src);
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src = tmp;
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}
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FIMULTIBITMAP *out = FreeImage_OpenMultiBitmap(dst_fif, dst_filename, TRUE, FALSE, FALSE);
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for(int size = 16; size <= 48; size += 16 ) {
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FIBITMAP *rescaled = FreeImage_Rescale(src, size, size, FILTER_CATMULLROM);
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if((src_bpp == 8) && FreeImage_IsTransparent(src)) {
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// copy the transparency table
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BYTE *trns = FreeImage_GetTransparencyTable(src);
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int count = FreeImage_GetTransparencyCount(src);
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FreeImage_SetTransparencyTable(rescaled, trns, count);
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}
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FreeImage_AppendPage(out, rescaled);
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FreeImage_Unload(rescaled);
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}
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FreeImage_Unload(src);
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FreeImage_CloseMultiBitmap(out, 0);
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}
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void testMPageCache(char *src_filename) {
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const char *dst_filename = "mpages.tif";
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BOOL keep_cache_in_memory = FALSE;
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// get the file type
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FREE_IMAGE_FORMAT src_fif = FreeImage_GetFileType(src_filename);
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// load the file
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FIBITMAP *src = FreeImage_Load(src_fif, src_filename, 0); //24bit image
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assert(src != NULL);
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// convert to 24-bit
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if(FreeImage_GetBPP(src) != 24) {
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FIBITMAP *tmp = FreeImage_ConvertTo24Bits(src);
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assert(tmp != NULL);
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FreeImage_Unload(src);
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src = tmp;
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}
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FIMULTIBITMAP *out = FreeImage_OpenMultiBitmap(FIF_TIFF, dst_filename, TRUE, FALSE, keep_cache_in_memory);
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// attempt to create 16 480X360 images in a 24-bit TIFF multipage file
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FIBITMAP *rescaled = FreeImage_Rescale(src, 480, 360, FILTER_CATMULLROM);
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for(int i = 0; i < 16; i++) {
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FreeImage_AppendPage(out, rescaled);
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}
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FreeImage_Unload(rescaled);
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FreeImage_Unload(src);
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FreeImage_CloseMultiBitmap(out, 0);
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}
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