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// ==========================================================
// FreeImage 3 Test Script
//
// Design and implementation by
// - Herv 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 "TestSuite.h"
void
testBuildMPage(const char *src_filename, const char *dst_filename, FREE_IMAGE_FORMAT dst_fif, unsigned bpp) {
// get the file type
FREE_IMAGE_FORMAT src_fif = FreeImage_GetFileType(src_filename);
// load the file
FIBITMAP *src = FreeImage_Load(src_fif, src_filename, 0); //24bit image
FIMULTIBITMAP *out = FreeImage_OpenMultiBitmap(dst_fif, dst_filename, TRUE, FALSE, FALSE);
for(int size = 16; size <= 48; size += 16 ) {
FIBITMAP *rescaled = FreeImage_Rescale(src, size, size, FILTER_CATMULLROM);
if(FreeImage_GetBPP(rescaled) != bpp) {
// convert to the requested bitdepth
FIBITMAP *tmp = NULL;
switch(bpp) {
case 8:
tmp = FreeImage_ConvertTo8Bits(rescaled);
break;
case 24:
tmp = FreeImage_ConvertTo24Bits(rescaled);
break;
}
assert(tmp != NULL);
FreeImage_Unload(rescaled);
rescaled = tmp;
}
FreeImage_AppendPage(out, rescaled);
FreeImage_Unload(rescaled);
}
FreeImage_Unload(src);
FreeImage_CloseMultiBitmap(out, 0);
}
void testMPageCache(const char *src_filename, const char *dst_filename) {
BOOL keep_cache_in_memory = FALSE;
// get the file type
FREE_IMAGE_FORMAT src_fif = FreeImage_GetFileType(src_filename);
// load the file
FIBITMAP *src = FreeImage_Load(src_fif, src_filename, 0); //24bit image
assert(src != NULL);
// convert to 24-bit
if(FreeImage_GetBPP(src) != 24) {
FIBITMAP *tmp = FreeImage_ConvertTo24Bits(src);
assert(tmp != NULL);
FreeImage_Unload(src);
src = tmp;
}
FIMULTIBITMAP *out = FreeImage_OpenMultiBitmap(FIF_TIFF, dst_filename, TRUE, FALSE, keep_cache_in_memory);
// attempt to create 16 480X360 images in a 24-bit TIFF multipage file
FIBITMAP *rescaled = FreeImage_Rescale(src, 480, 360, FILTER_CATMULLROM);
for(int i = 0; i < 16; i++) {
FreeImage_AppendPage(out, rescaled);
}
FreeImage_Unload(rescaled);
FreeImage_Unload(src);
FreeImage_CloseMultiBitmap(out, 0);
}
// --------------------------------------------------------------------------
BOOL testCloneMultiPage(FREE_IMAGE_FORMAT fif, const char *input, const char *output, int output_flag) {
BOOL bMemoryCache = TRUE;
// Open src file (read-only, use memory cache)
FIMULTIBITMAP *src = FreeImage_OpenMultiBitmap(fif, input, FALSE, TRUE, bMemoryCache);
if(src) {
// Open dst file (creation, use memory cache)
FIMULTIBITMAP *dst = FreeImage_OpenMultiBitmap(fif, output, TRUE, FALSE, bMemoryCache);
// Get src page count
int count = FreeImage_GetPageCount(src);
// Clone src to dst
for(int page = 0; page < count; page++) {
// Load the bitmap at position 'page'
FIBITMAP *dib = FreeImage_LockPage(src, page);
if(dib) {
// add a new bitmap to dst
FreeImage_AppendPage(dst, dib);
// Unload the bitmap (do not apply any change to src)
FreeImage_UnlockPage(src, dib, FALSE);
}
}
// Close src
FreeImage_CloseMultiBitmap(src, 0);
// Save and close dst
FreeImage_CloseMultiBitmap(dst, output_flag);
return TRUE;
}
return FALSE;
}
// --------------------------------------------------------------------------
void testLockDeleteMultiPage(const char *input) {
BOOL bCreateNew = FALSE;
BOOL bReadOnly = FALSE;
BOOL bMemoryCache = TRUE;
// Open src file (read/write, use memory cache)
FREE_IMAGE_FORMAT fif = FreeImage_GetFileType(input);
FIMULTIBITMAP *src = FreeImage_OpenMultiBitmap(fif, input, bCreateNew, bReadOnly, bMemoryCache);
if(src) {
// get the page count
int count = FreeImage_GetPageCount(src);
if(count > 2) {
// Load the bitmap at position '2'
FIBITMAP *dib = FreeImage_LockPage(src, 2);
if(dib) {
FreeImage_Invert(dib);
// Unload the bitmap (apply change to src)
FreeImage_UnlockPage(src, dib, TRUE);
}
}
// Close src
FreeImage_CloseMultiBitmap(src, 0);
}
src = FreeImage_OpenMultiBitmap(fif, input, bCreateNew, bReadOnly, bMemoryCache);
if(src) {
// get the page count
int count = FreeImage_GetPageCount(src);
if(count > 1) {
// delete page 0
FreeImage_DeletePage(src, 0);
}
// Close src
FreeImage_CloseMultiBitmap(src, 0);
}
}
// --------------------------------------------------------------------------
void testMultiPage(const char *lpszPathName) {
printf("testMultiPage ...\n");
// test multipage creation
testBuildMPage(lpszPathName, "sample.ico", FIF_ICO, 24);
testBuildMPage(lpszPathName, "sample.tif", FIF_TIFF, 24);
testBuildMPage(lpszPathName, "sample.gif", FIF_GIF, 8);
// test multipage copy
testCloneMultiPage(FIF_TIFF, "sample.tif", "clone.tif", TIFF_LZW);
// test multipage lock & delete
testLockDeleteMultiPage("clone.tif");
// test multipage cache
testMPageCache(lpszPathName, "mpages.tif");
}
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