diff options
Diffstat (limited to 'Source/DirectFB/tests/dfbtest_scale.c')
| -rwxr-xr-x | Source/DirectFB/tests/dfbtest_scale.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/Source/DirectFB/tests/dfbtest_scale.c b/Source/DirectFB/tests/dfbtest_scale.c new file mode 100755 index 0000000..2d4e090 --- /dev/null +++ b/Source/DirectFB/tests/dfbtest_scale.c @@ -0,0 +1,156 @@ +/* + (c) Copyright 2008 Denis Oliver Kropp + + All rights reserved. + + This file is subject to the terms and conditions of the MIT License: + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation + files (the "Software"), to deal in the Software without restriction, + including without limitation the rights to use, copy, modify, merge, + publish, distribute, sublicense, and/or sell copies of the Software, + and to permit persons to whom the Software is furnished to do so, + subject to the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#include <config.h> + +#include <stdio.h> +#include <string.h> + +#include <direct/messages.h> + +#include <directfb.h> +#include <directfb_util.h> + + +static int +show_usage( const char *prg ) +{ + fprintf( stderr, "Usage: %s <url>\n", prg ); + + return -1; +} + +int +main( int argc, char *argv[] ) +{ + int i; + DFBResult ret; + DFBSurfaceDescription desc; + IDirectFB *dfb; + IDirectFBImageProvider *provider = NULL; + IDirectFBSurface *source = NULL; + IDirectFBSurface *dest = NULL; + const char *url = NULL; + + /* Parse arguments. */ + for (i=1; i<argc; i++) { + if (!strcmp( argv[i], "-h" )) + return show_usage( argv[0] ); + else if (!url) + url = argv[i]; + else + return show_usage( argv[0] ); + } + + /* Check if we got an URL. */ + if (!url) + return show_usage( argv[0] ); + + /* Initialize DirectFB. */ + ret = DirectFBInit( &argc, &argv ); + if (ret) { + D_DERROR( ret, "DFBTest/Scale: DirectFBInit() failed!\n" ); + return ret; + } + + /* Create super interface. */ + ret = DirectFBCreate( &dfb ); + if (ret) { + D_DERROR( ret, "DFBTest/Scale: DirectFBCreate() failed!\n" ); + return ret; + } + + /* Create an image provider for the image to be loaded. */ + ret = dfb->CreateImageProvider( dfb, url, &provider ); + if (ret) { + D_DERROR( ret, "DFBTest/Scale: IDirectFB::CreateImageProvider( '%s' ) failed!\n", url ); + goto out; + } + + /* Get the surface description. */ + ret = provider->GetSurfaceDescription( provider, &desc ); + if (ret) { + D_DERROR( ret, "DFBTest/Scale: IDirectFBImageProvider::GetSurfaceDescription() failed!\n" ); + goto out; + } + + desc.pixelformat = DSPF_LUT8; + + D_INFO( "DFBTest/Scale: Source is %dx%d using %s\n", + desc.width, desc.height, dfb_pixelformat_name(desc.pixelformat) ); + + /* Create a surface for the image. */ + ret = dfb->CreateSurface( dfb, &desc, &source ); + if (ret) { + D_DERROR( ret, "DFBTest/Scale: IDirectFB::CreateSurface() failed!\n" ); + goto out; + } + + ret = provider->RenderTo( provider, source, NULL ); + if (ret) { + D_DERROR( ret, "DFBTest/Scale: IDirectFBImageProvider::RenderTo() failed!\n" ); + goto out; + } + + desc.width = desc.width * 3 / 4; + desc.height = desc.height * 3 / 4; + + if (DFB_PIXELFORMAT_IS_INDEXED( desc.pixelformat )) + desc.pixelformat = DSPF_ARGB; + + D_INFO( "DFBTest/Scale: Destination is %dx%d using %s\n", + desc.width, desc.height, dfb_pixelformat_name(desc.pixelformat) ); + + /* Create a surface for the image. */ + ret = dfb->CreateSurface( dfb, &desc, &dest ); + if (ret) { + D_DERROR( ret, "DFBTest/Scale: IDirectFB::CreateSurface() failed!\n" ); + goto out; + } + + dest->SetBlittingFlags( dest, DSBLIT_SRC_PREMULTIPLY ); + dest->StretchBlit( dest, source, NULL, NULL ); + + dest->Dump( dest, "dfbtest_scale", NULL ); + + +out: + if (dest) + dest->Release( dest ); + + if (source) + source->Release( source ); + + if (provider) + provider->Release( provider ); + + /* Shutdown DirectFB. */ + dfb->Release( dfb ); + + return ret; +} + |