diff options
Diffstat (limited to 'TestAPI/testChannels.cpp')
| -rw-r--r-- | TestAPI/testChannels.cpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/TestAPI/testChannels.cpp b/TestAPI/testChannels.cpp new file mode 100644 index 0000000..40c7bc4 --- /dev/null +++ b/TestAPI/testChannels.cpp @@ -0,0 +1,131 @@ +// ========================================================== +// FreeImage 3 Test Script +// +// Design and implementation by +// - Hervé 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" + +// Local test functions +// ---------------------------------------------------------- + +void test24BitsChannels(unsigned width, unsigned height) { + BOOL bResult = FALSE; + + // create a test 8-bit image + FIBITMAP *src = createZonePlateImage(width, height, 128); + if(src != NULL) { + // convert to 24-bit + FIBITMAP *tmp = FreeImage_ConvertTo24Bits(src); + FreeImage_Unload(src); + src = tmp; + } + assert(src != NULL); + + // save for further examination + bResult = FreeImage_Save(FIF_PNG, src, "zoneplate.png", PNG_DEFAULT); + assert(bResult); + + // test get/set channel + // ------------------------- + FIBITMAP *channel = FreeImage_GetChannel(src, FICC_GREEN); + assert(channel != NULL); + bResult = FreeImage_SetChannel(src, channel, FICC_GREEN); + assert(bResult); + FreeImage_Unload(channel); + + FreeImage_Unload(src); +} + +void test32BitsChannels(unsigned width, unsigned height) { + BOOL bResult = FALSE; + + // create a test 8-bit image + FIBITMAP *src = createZonePlateImage(width, height, 128); + if(src != NULL) { + // convert to 32-bit + FIBITMAP *tmp = FreeImage_ConvertTo32Bits(src); + FreeImage_Unload(src); + src = tmp; + } + assert(src != NULL); + + // save for further examination + bResult = FreeImage_Save(FIF_PNG, src, "zoneplate.png", PNG_DEFAULT); + assert(bResult); + + // test get/set channel + // ------------------------- + FIBITMAP *channel = FreeImage_GetChannel(src, FICC_ALPHA); + assert(channel != NULL); + bResult = FreeImage_SetChannel(src, channel, FICC_ALPHA); + assert(bResult); + FreeImage_Unload(channel); + + FreeImage_Unload(src); +} + +void testRGBAChannels(FREE_IMAGE_TYPE image_type, unsigned width, unsigned height, BOOL bUseAlpha) { + BOOL bResult = FALSE; + + // create a test image + FIBITMAP *src = FreeImage_AllocateT(image_type, width, height); + assert(src != NULL); + + // test get/set channel + // ------------------------- + { + FIBITMAP *channel = FreeImage_GetChannel(src, FICC_GREEN); + assert(channel != NULL); + bResult = FreeImage_SetChannel(src, channel, FICC_GREEN); + assert(bResult); + FreeImage_Unload(channel); + } + + if(bUseAlpha) { + FIBITMAP *alpha = FreeImage_GetChannel(src, FICC_ALPHA); + assert(alpha != NULL); + bResult = FreeImage_SetChannel(src, alpha, FICC_ALPHA); + assert(bResult); + FreeImage_Unload(alpha); + } + + FreeImage_Unload(src); +} + +// Main test functions +// ---------------------------------------------------------- + +void testImageChannels(unsigned width, unsigned height) { + + BOOL bResult = FALSE; + + printf("testImageChannels ..."); + + test24BitsChannels(width, height); + test32BitsChannels(width, height); + + testRGBAChannels(FIT_RGB16, width, height, FALSE); + testRGBAChannels(FIT_RGBA16, width, height, TRUE); + + testRGBAChannels(FIT_RGBF, width, height, FALSE); + testRGBAChannels(FIT_RGBAF, width, height, TRUE); + + printf("\tOK\n"); +} |