DFBImageProvider::DFBImageProvider(const char* mrl) {
IDirectFB* dfb = NULL;
decoder = NULL;
if (mrl != NULL) {
dfb = (IDirectFB*)(LocalDeviceManager::getInstance()->getGfxRoot());
DFBCHECK(dfb->CreateImageProvider(dfb, mrl, &decoder));
}
}
int main( int argc, char *argv[] )
{
IDirectFB *dfb;
IDirectFBDisplayLayer *layer;
IDirectFBSurface *bgsurface;
IDirectFBImageProvider *provider;
IDirectFBWindow *window1;
IDirectFBWindow *window2;
IDirectFBSurface *window_surface1;
IDirectFBSurface *window_surface2;
IDirectFBEventBuffer *buffer;
DFBDisplayLayerConfig layer_config;
#if ((DIRECTFB_MAJOR_VERSION == 0) && (DIRECTFB_MINOR_VERSION == 9) && (DIRECTFB_MICRO_VERSION < 23))
DFBCardCapabilities caps;
#else
DFBGraphicsDeviceDescription caps;
#endif
IDirectFBWindow* upper;
DFBWindowID id1;
IDirectFBFont *font;
int fontheight;
int err;
int quit = 0;
DFBCHECK(DirectFBInit( &argc, &argv ));
DFBCHECK(DirectFBCreate( &dfb ));
#if ((DIRECTFB_MAJOR_VERSION == 0) && (DIRECTFB_MINOR_VERSION == 9) && (DIRECTFB_MICRO_VERSION < 23))
dfb->GetCardCapabilities( dfb, &caps );
#else
dfb->GetDeviceDescription( dfb, &caps );
#endif
dfb->GetDisplayLayer( dfb, DLID_PRIMARY, &layer );
if (!((caps.blitting_flags & DSBLIT_BLEND_ALPHACHANNEL) &&
(caps.blitting_flags & DSBLIT_BLEND_COLORALPHA )))
{
layer_config.flags = DLCONF_BUFFERMODE;
layer_config.buffermode = DLBM_BACKSYSTEM;
layer->SetConfiguration( layer, &layer_config );
}
layer->GetConfiguration( layer, &layer_config );
layer->EnableCursor ( layer, 1 );
{
DFBFontDescription desc;
desc.flags = DFDESC_HEIGHT;
desc.height = layer_config.width/50;
DFBCHECK(dfb->CreateFont( dfb, PACKAGE_DATA_DIR"/grunge.ttf", &desc, &font ));
font->GetHeight( font, &fontheight );
}
{
DFBSurfaceDescription desc;
DFBCHECK(dfb->CreateImageProvider( dfb,
PACKAGE_DATA_DIR"/bg.png",
&provider ));
desc.flags = DSDESC_WIDTH | DSDESC_HEIGHT;
desc.width = layer_config.width;
desc.height = layer_config.height;
DFBCHECK(dfb->CreateSurface( dfb, &desc, &bgsurface ) );
provider->RenderTo( provider, bgsurface, NULL );
provider->Release( provider );
DFBCHECK(bgsurface->SetFont( bgsurface, font ));
bgsurface->SetColor( bgsurface, 0xCF, 0xCF, 0xFF, 0xFF );
bgsurface->DrawString( bgsurface,
"Move the mouse over a window to activate it.",
-1, 10, 0, DSTF_LEFT | DSTF_TOP );
bgsurface->SetColor( bgsurface, 0xFF, 0xCF, 0xFF, 0xFF );
bgsurface->DrawString( bgsurface,
"You can drag them around, too, if you want.",
-1, 10 , 40, DSTF_LEFT | DSTF_TOP );
bgsurface->SetColor( bgsurface, 0xCF, 0xCF, 0xFF, 0xFF );
bgsurface->DrawString( bgsurface,
"The one with funky stuff happening and things flying around is an evas.",
-1, 10, 80, DSTF_LEFT | DSTF_TOP );
layer->SetBackgroundImage( layer, bgsurface );
layer->SetBackgroundMode( layer, DLBM_IMAGE );
}
{
DFBWindowDescription desc;
desc.flags = ( DWDESC_POSX | DWDESC_POSY |
DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_CAPS );
desc.posx = 20;
desc.posy = 120;
desc.width = 200;
desc.height = 200;
desc.caps = DWCAPS_ALPHACHANNEL;
DFBCHECK( layer->CreateWindow( layer, &desc, &window2 ) );
window2->GetSurface( window2, &window_surface2 );
window2->SetOpacity( window2, 0xFF );
window2->CreateEventBuffer( window2, &buffer );
{
window_surface2->SetColor( window_surface2,
0x00, 0x30, 0x10, 0xc0 );
window_surface2->DrawRectangle( window_surface2, 0, 0,
desc.width, desc.height );
window_surface2->SetColor( window_surface2,
0x80, 0xa0, 0x00, 0x90 );
window_surface2->FillRectangle( window_surface2, 1, 1,
desc.width-2, desc.height-2 );
DFBCHECK(window_surface2->SetFont(window_surface2, font ));
window_surface2->SetColor( window_surface2, 0xCF, 0xFF, 0xCF, 0xFF );
window_surface2->DrawString( window_surface2,
"Pants!",
-1,10, fontheight + 5, DSTF_LEFT | DSTF_TOP );
}
window_surface2->Flip( window_surface2, NULL, 0 );
}
{
DFBWindowDescription desc;
desc.flags = ( DWDESC_POSX | DWDESC_POSY |
DWDESC_WIDTH | DWDESC_HEIGHT | DWDESC_CAPS );
desc.posx = 200;
desc.posy = 200;
desc.width = 240;
desc.height = 320;
desc.caps = DWCAPS_ALPHACHANNEL;
DFBCHECK(layer->CreateWindow( layer, &desc, &window1 ) );
window1->GetSurface( window1, &window_surface1 );
window_surface1->SetColor( window_surface1, 0xFF, 0x20, 0x20, 0x90 );
window_surface1->DrawRectangle( window_surface1, 0, 0,
desc.width, desc.height );
window_surface1->Flip( window_surface1, NULL, 0 );
window1->SetOpacity( window1, 0xFF );
window1->GetID( window1, &id1 );
window1->AttachEventBuffer( window1, buffer );
}
window1->RequestFocus( window1 );
window1->RaiseToTop( window1 );
upper = window1;
{
evas_init();
evas = evas_new();
evas_output_method_set(evas, evas_render_method_lookup("directfb"));
evas_output_size_set(evas, 240, 320);
evas_output_viewport_set(evas, 0, 0, 240, 320);
{
Evas_Engine_Info_DirectFB *einfo;
einfo = (Evas_Engine_Info_DirectFB *) evas_engine_info_get(evas);
einfo->info.dfb = dfb;
einfo->info.surface = window_surface1;
einfo->info.flags = DSDRAW_BLEND;
evas_engine_info_set(evas, (Evas_Engine_Info *) einfo);
}
setup();
evas_render(evas);
start_time = get_time();
}
while (!quit) {
static IDirectFBWindow* active = NULL;
static int grabbed = 0;
static int startx = 0;
static int starty = 0;
static int endx = 0;
static int endy = 0;
DFBWindowEvent evt;
buffer->WaitForEventWithTimeout( buffer, 0, 10 );
while (buffer->GetEvent( buffer, DFB_EVENT(&evt) ) == DFB_OK) {
IDirectFBWindow* window;
if (evt.window_id == id1)
window = window1;
else
window = window2;
if (active) {
switch (evt.type) {
case DWET_BUTTONDOWN:
if (!grabbed && evt.button == DIBI_LEFT) {
grabbed = 1;
layer->GetCursorPosition( layer,
&startx, &starty );
window->GrabPointer( window );
}
break;
case DWET_BUTTONUP:
switch (evt.button) {
case DIBI_LEFT:
if (grabbed) {
window->UngrabPointer( window );
grabbed = 0;
}
break;
case DIBI_MIDDLE:
upper->LowerToBottom( upper );
upper = (upper == window1) ? window2 : window1;
break;
case DIBI_RIGHT:
quit = DIKS_DOWN;
break;
default:
break;
}
break;
case DWET_KEYDOWN:
if (grabbed)
break;
switch (evt.key_id) {
case DIKI_RIGHT:
active->Move (active, 1, 0);
break;
case DIKI_LEFT:
active->Move (active, -1, 0);
break;
case DIKI_UP:
active->Move (active, 0, -1);
break;
case DIKI_DOWN:
active->Move (active, 0, 1);
break;
default:
break;
}
break;
case DWET_LOSTFOCUS:
if (!grabbed)
active = NULL;
break;
default:
break;
}
}
else if (evt.type == DWET_GOTFOCUS)
active = window;
switch (evt.type) {
case DWET_MOTION:
endx = evt.cx;
endy = evt.cy;
break;
case DWET_KEYDOWN:
switch (evt.key_symbol) {
case DIKS_ESCAPE:
case DIKS_SMALL_Q:
case DIKS_CAPITAL_Q:
case DIKS_BACK:
case DIKS_STOP:
quit = 1;
break;
default:
break;
}
break;
default:
break;
}
}
if (active) {
if (grabbed) {
active->Move( active, endx - startx, endy - starty);
startx = endx;
starty = endy;
}
active->SetOpacity( active,
(sin( myclock()/300.0 ) * 85) + 170 );
}
loop();
{
Eina_List *updates;
updates = evas_render_updates(evas);
/* efficient update.. only flip the rectangle regions that changed! */
if (updates)
{
DFBRegion region;
Eina_List *l;
for (l = updates; l; l = l->next)
{
Evas_Rectangle *rect;
rect = l->data;
region.x1 = rect->x;
region.y1 = rect->y;
region.x2 = rect->x + rect->w - 1;
region.y2 = rect->y + rect->h - 1;
window_surface1->Flip(window_surface1, ®ion,
DSFLIP_BLIT);
}
evas_render_updates_free(updates);
}
}
}
buffer->Release( buffer );
window_surface2->Release( window_surface2 );
window_surface1->Release( window_surface1 );
window2->Release( window2 );
window1->Release( window1 );
layer->Release( layer );
bgsurface->Release( bgsurface );
dfb->Release( dfb );
evas_shutdown();
return 0;
}
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;
}
//------------------------------------------------------------------------------
// Unit Test main
//------------------------------------------------------------------------------
int main (int argc, char **argv)
{
int i, j;
DFBResult rle_build_databuffer_err;
// File name to load logo image from
char *filename = NULL;
// Basic directfb elements
IDirectFB *dfb = NULL;
IDirectFBSurface *primary = NULL;
int screen_width = 0;
int screen_height = 0;
// The image is to be loaded into a surface that we can blit from.
IDirectFBSurface *logo = NULL;
// Loading an image is done with an Image Provider.
IDirectFBImageProvider *provider = NULL;
// An Image provider instance can also be created from a directfb buffer
IDirectFBDataBuffer *databuffer = NULL;
// Surface description
DFBSurfaceDescription surface_dsc;
// Initialize directfb first
DFBCHECK (DirectFBInit (&argc, &argv));
DFBCHECK (DirectFBCreate (&dfb));
DFBCHECK (dfb->SetCooperativeLevel (dfb, DFSCL_FULLSCREEN));
// Create primary surface
surface_dsc.flags = DSDESC_CAPS;
surface_dsc.caps = DSCAPS_PRIMARY | DSCAPS_FLIPPING;
DFBCHECK (dfb->CreateSurface( dfb, &surface_dsc, &primary ));
DFBCHECK (primary->GetSize (primary, &screen_width, &screen_height));
if (argc==1)
{
argv[1] = "./data/directfb.rle";
argc++;
}
DISPLAY_INFO ("Rendering %d files\n",argc-1);
for (j=1; j<argc; j++)
{
//
// --- WE CREATE OUR IMAGE PROVIDER INSTANCE HERE
//
filename = argv[j];
DISPLAY_INFO ("Rendering : %s\n",filename);
// We create a directfb data buffer holding RLE image contents that we
// pick up from a file (could get the RLE contents from memory as well).
// "rle_build_databuffer" details the process of dealing with a memory
// RLE packet as a matter of fact.
rle_build_databuffer_err = rle_build_databuffer (dfb, filename, &databuffer);
if (rle_build_databuffer_err == DFB_OK) {
// We want to create an Image Provider tied to a directfb data buffer.
// DirectFB will find (or not) an Image Provider for the data type
// depending on Image Providers probe method (sniffing data headers)
DFBCHECK (databuffer->CreateImageProvider (databuffer, &provider));
}
else {
# ifdef USE_PACKET_BUILDER_ONLY
DFBFAIL(rle_build_databuffer_err);
# else
// We could also create an Image Provider by passing a filename.
// DirectFB will find (or not) an Image Provider matching the file type.
DFBCHECK (dfb->CreateImageProvider (dfb, filename, &provider));
# endif
}
// Get a surface description from the provider. It will contain the width,
// height, bits per pixel and the flag for an alphachannel if the image
// has one. If the image has no alphachannel the bits per pixel is set to
// the bits per pixel of the primary layer to use simple blitting without
// pixel format conversion.
DFBCHECK (provider->GetSurfaceDescription (provider, &surface_dsc));
// Create a surface based on the description of the provider.
DFBCHECK (dfb->CreateSurface( dfb, &surface_dsc, &logo ));
// Let the provider render to our surface. Image providers are supposed
// to support every destination pixel format and size. If the size
// differs the image will be scaled (bilinear). The last parameter allows
// to specify an optional destination rectangle. We use NULL here so that
// our image covers the whole logo surface.
DFBCHECK (provider->RenderTo (provider, logo, NULL));
// Note: RLE Image Provider allows for direct non-scaled LUT-8 surface
// rendering without any attached colormap.
#ifdef CLEVER_APPROACH
// Let's setup our logo surface palette outside of the RLE Image
// Provider if we got a colormap from rle_build_databuffer ...
if (color_palette)
{
IDirectFBPalette *palette;
DFBCHECK (logo->GetPalette (logo, &palette));
palette->SetEntries (palette, color_palette, number_of_colors, 0);
palette->Release (palette);
}
#endif
//
// --- WE GET RID OF OUR IMAGE PROVIDER INSTANCE HERE
//
// Release the provider, we don't need it anymore.
provider->Release (provider); provider = NULL;
// Destroy the databuffer as well, we don't need it anymore.
rle_destroy_databuffer (databuffer); databuffer = NULL;
# ifndef SUBTITLES_MODE
// We want to let the logo slide in on the left and slide out on the
// right.
for (i = -surface_dsc.width; i < screen_width; i++)
# else
// We want to let the logo slide in on the right and slide out on the
// left.
for (i = screen_width-1; i >= -surface_dsc.width; i--)
# endif
{
// Clear the screen.
DFBCHECK (primary->FillRectangle (primary, 0, 0,
screen_width, screen_height));
// Blit the logo vertically centered with "i" as the X coordinate.
// NULL means that we want to blit the whole surface.
DFBCHECK (primary->Blit (primary, logo, NULL, i,
(screen_height - surface_dsc.height) / 2));
// Flip the front and back buffer, but wait for the vertical
// retrace to avoid tearing.
DFBCHECK (primary->Flip (primary, NULL, DSFLIP_WAITFORSYNC));
if (argc < 3)
{
usleep(1000*5);
}
}
// Release the image.
if (logo)
{
logo->Release (logo);
}
}
// Release everything else
primary->Release (primary);
dfb->Release (dfb);
return 0;
}
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;
DFBSurfacePixelFormat source_format = DSPF_UNKNOWN;
DFBSurfacePixelFormat dest_format = DSPF_UNKNOWN;
bool dest_resize = false;
/* Initialize DirectFB. */
ret = DirectFBInit( &argc, &argv );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: DirectFBInit() failed!\n" );
return ret;
}
/* Parse arguments. */
for (i=1; i<argc; i++) {
const char *arg = argv[i];
if (strcmp( arg, "-h" ) == 0 || strcmp (arg, "--help") == 0)
return print_usage( argv[0] );
else if (strcmp (arg, "-v") == 0 || strcmp (arg, "--version") == 0) {
fprintf (stderr, "dfbtest_blit version %s\n", DIRECTFB_VERSION);
return false;
}
else if (strcmp (arg, "-s") == 0 || strcmp (arg, "--source") == 0) {
if (++i == argc) {
print_usage (argv[0]);
return false;
}
if (!parse_format( argv[i], &source_format ))
return false;
}
else if (strcmp (arg, "-d") == 0 || strcmp (arg, "--dest") == 0) {
if (++i == argc) {
print_usage (argv[0]);
return false;
}
if (!parse_format( argv[i], &dest_format ))
return false;
}
else if (strcmp (arg, "-r") == 0 || strcmp (arg, "--resize") == 0)
dest_resize = true;
else if (!url)
url = arg;
else
return print_usage( argv[0] );
}
/* Check if we got an URL. */
if (!url)
return print_usage( argv[0] );
/* Create super interface. */
ret = DirectFBCreate( &dfb );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: 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/Blit: IDirectFB::CreateImageProvider( '%s' ) failed!\n", url );
goto out;
}
/* Get the surface description. */
ret = provider->GetSurfaceDescription( provider, &desc );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFBImageProvider::GetSurfaceDescription() failed!\n" );
goto out;
}
if (source_format != DSPF_UNKNOWN)
desc.pixelformat = source_format;
D_INFO( "DFBTest/Blit: 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/Blit: IDirectFB::CreateSurface() failed!\n" );
goto out;
}
ret = provider->RenderTo( provider, source, NULL );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFBImageProvider::RenderTo() failed!\n" );
goto out;
}
/* Fill description for a primary surface. */
desc.flags = DSDESC_CAPS;
desc.caps = DSCAPS_PRIMARY | DSCAPS_FLIPPING;
if (dest_format != DSPF_UNKNOWN) {
desc.flags |= DSDESC_PIXELFORMAT;
desc.pixelformat = dest_format;
}
if (dest_resize)
desc.flags |= DSDESC_WIDTH | DSDESC_HEIGHT;
dfb->SetCooperativeLevel( dfb, DFSCL_FULLSCREEN );
/* Create a primary surface. */
ret = dfb->CreateSurface( dfb, &desc, &dest );
if (ret) {
D_DERROR( ret, "DFBTest/Blit: IDirectFB::CreateSurface() failed!\n" );
goto out;
}
dest->GetSize( dest, &desc.width, &desc.height );
dest->GetPixelFormat( dest, &desc.pixelformat );
D_INFO( "DFBTest/Blit: Destination is %dx%d using %s\n",
desc.width, desc.height, dfb_pixelformat_name(desc.pixelformat) );
for (i=0; i<100000; i++) {
int j,n = rand()%100;
for (j=0; j<n; j++) {
switch (rand()%3) {
case 0:
dest->SetDrawingFlags( dest, rand() & (DSDRAW_BLEND) );
dest->FillRectangle( dest, rand()%100, rand()%100, rand()%100, rand()%100 );
break;
case 1:
dest->SetBlittingFlags( dest, rand() & (DSBLIT_BLEND_ALPHACHANNEL |
DSBLIT_BLEND_COLORALPHA |
DSBLIT_COLORIZE |
DSBLIT_ROTATE90) );
dest->Blit( dest, source, NULL, rand()%100, rand()%100 );
break;
case 2:
dest->SetBlittingFlags( dest, rand() & (DSBLIT_BLEND_ALPHACHANNEL |
DSBLIT_BLEND_COLORALPHA |
DSBLIT_COLORIZE |
DSBLIT_ROTATE90) );
dest->StretchBlit( dest, source, NULL, NULL );
break;
}
}
dfb->WaitIdle( dfb );
dest->Flip( dest, NULL, DSFLIP_NONE );
}
out:
if (dest)
dest->Release( dest );
if (source)
source->Release( source );
if (provider)
provider->Release( provider );
/* Shutdown DirectFB. */
dfb->Release( dfb );
return ret;
}
int
main( int argc, char *argv[] )
{
int i;
DFBResult ret;
DFBSurfaceDescription desc;
IDirectFB *dfb;
IDirectFBImageProvider *provider = NULL;
IDirectFBSurface *source = NULL;
IDirectFBSurface *dest = NULL;
IDirectFBSurface *dest2 = NULL;
const char *url = NULL;
/* Initialize DirectFB. */
ret = DirectFBInit( &argc, &argv );
if (ret) {
D_DERROR( ret, "DFBTest/Scale: DirectFBInit() failed!\n" );
return ret;
}
/* 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] );
/* 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_NV21;
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;
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;
}
DFBRectangle srect = {
10, 10, 200, 200
};
DFBRectangle drect = {
10, 10, 300, 300
};
DFBRegion clip = {
40, 40, 199, 199
};
dest->Clear( dest, 0xff, 0xff, 0xff, 0xff );
dest->SetClip( dest, &clip );
dest->StretchBlit( dest, source, &srect, &drect );
desc.pixelformat = DSPF_ARGB;
D_INFO( "DFBTest/Scale: Destination2 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, &dest2 );
if (ret) {
D_DERROR( ret, "DFBTest/Scale: IDirectFB::CreateSurface() failed!\n" );
goto out;
}
dest2->Blit( dest2, dest, NULL, 0, 0 );
dest2->Dump( dest2, "dfbtest_scale_nv21", NULL );
out:
if (dest2)
dest2->Release( dest2 );
if (dest)
dest->Release( dest );
if (source)
source->Release( source );
if (provider)
provider->Release( provider );
/* Shutdown DirectFB. */
dfb->Release( dfb );
return ret;
}
