/** Function oyArray2d_Init_
* @memberof oyArray2d_s
* @brief Initialise Array
*
* @version Oyranos: 0.9.0
* @since 2012/10/20 (Oyranos: 0.9.0)
* @date 2012/10/20
*/
int oyArray2d_Init_ ( oyArray2d_s_ * s,
int width,
int height,
oyDATATYPE_e data_type )
{
int error = !(width || height);
if(error <= 0)
{
int y_len = sizeof(unsigned char *) * (height + 1);
oyOBJECT_e rtype = oyOBJECT_RECTANGLE_S;
s->width = width;
s->height = height;
s->t = data_type;
memcpy( &s->data_area, &rtype, sizeof(oyOBJECT_e) );
oyRectangle_SetGeo( (oyRectangle_s*)&s->data_area, 0,0, width, height );
oyAllocHelper_m_( s->array2d, unsigned char *, height + 1, s->oy_->allocateFunc_, return 1 );
error = !memset( s->array2d, 0, y_len );
s->own_lines = oyNO;
}
/** Function oyDrawScreenImage
* @brief generate a Oyranos image from a given context for display
*
* The function asks the 'oydi' node to provide parameters to render a
* oyImage_s from a prepared oyConversion_s context.
*
* @param[in] context the Oyranos graph
* @param[in,out] ticket rendering context for tracking
* rectangles
* @param[in] display_rectangle absolute coordinates of visible image
* in relation to display
* @param[in,out] old_display_rectangle
* rembering of display_rectangle
+ @param[in,out] old_roi_rectangle remembering of ticket's ROI (optional)
* @param[in] system_type the system dependent type specification
* - "X11" is well supported
* - "oy-test" for internal tests
* @param[in] data_type_request oyUINT8 or oyUINT16
* @param[in] display the system display with system_type:
* - "X11": a Display object
* @param[in] window the system window with system_type:
* - "X11": a Window ID
* @param[in] dirty explicite redraw
* @param[out] image the image from graph to display
* @return 0 - success, -1 - issue, >= 1 - error
*
* @version Oyranos: 0.9.6
* @date 2016/09/22
* @since 2010/09/05 (Oyranos: 0.1.11)
*/
int oyDrawScreenImage ( oyConversion_s * context,
oyPixelAccess_s * ticket,
oyRectangle_s * display_rectangle,
oyRectangle_s * old_display_rectangle,
oyRectangle_s * old_roi_rectangle,
const char * system_type,
oyDATATYPE_e data_type_request,
void * display,
void * window,
int dirty,
oyImage_s * image )
{
int result = 0;
if(context)
{
double X,Y,W,H;
int channels = 0;
oyFilterNode_s * node_out = 0;
oyRectangle_s * disp_rectangle = 0,
* ticket_roi = 0;
oyOptions_s * image_tags = 0;
oyDATATYPE_e data_type = oyUINT8;
oyPixel_t pt = 0;
oyRectangle_GetGeo( display_rectangle, &X, &Y, &W, &H );
if(!image)
return 1;
if( W <= 0 || H <= 0)
return -1;
image_tags = oyImage_GetTags( image );
if(window && strcmp("X11", system_type) == 0)
{
#if defined(XCM_HAVE_X11)
/* add X11 window and display identifiers to output image */
oyOption_s * o = 0;
Display *disp = (Display*) display;
Window w = (Window) window;
int count = oyOptions_CountType( image_tags,
"//" OY_TYPE_STD "/display/window_id",
oyOBJECT_BLOB_S );
if(!count && w)
{
oyBlob_s * win_id = oyBlob_New(0),
* display_id = oyBlob_New(0);
if(win_id)
{
oyBlob_SetFromStatic( win_id, (oyPointer)w, 0, 0 );
o = oyOption_FromRegistration( "//" OY_TYPE_STD "/display/window_id",
0 );
oyOption_MoveInStruct( o, (oyStruct_s**)&win_id );
oyOptions_MoveIn( image_tags, &o, -1 );
oyBlob_SetFromStatic( display_id, (oyPointer)disp, 0, 0 );
o = oyOption_FromRegistration( "//" OY_TYPE_STD "/display/display_id",
0 );
oyOption_MoveInStruct( o, (oyStruct_s**)&display_id );
oyOptions_MoveIn( image_tags, &o, -1 );
oyOptions_SetFromText( &image_tags,
"//" OY_TYPE_STD "/display/display_name",
DisplayString(disp), OY_CREATE_NEW );
} else
printf("%s:%d WARNING: no X11 Window obtained or\n"
" no oyBlob_s allocateable\n", __FILE__,__LINE__);
}
#endif
} else if(strcmp("oy-test", system_type) == 0)
oyOptions_SetFromText( &image_tags,
"//" OY_TYPE_STD "/display/display_name",
system_type, OY_CREATE_NEW );
/* check if the actual data can be displayed */
pt = oyImage_GetPixelLayout( image, oyLAYOUT );
data_type = oyToDataType_m( pt );
channels = oyToChannels_m( pt );
if(pt != 0 &&
((channels != 4 && channels != 3) || data_type != data_type_request))
{
printf( "%s:%d WARNING: wrong image data format: %s\n%s\n"
"need 4 or 3 channels with %s\n", __FILE__,__LINE__,
oyOptions_FindString( image_tags, "filename", 0 ),
image ? oyObject_GetName( image->oy_, oyNAME_NICK ) : "",
oyDataTypeToText( data_type_request ) );
return 1;
}
/* Inform about the images display coverage. */
disp_rectangle = (oyRectangle_s*) oyOptions_GetType( image_tags, -1,
"display_rectangle", oyOBJECT_RECTANGLE_S );
oyRectangle_SetGeo( disp_rectangle, X,Y,W,H );
node_out = oyConversion_GetNode( context, OY_OUTPUT );
ticket_roi = oyPixelAccess_GetArrayROI( ticket );
/* decide wether to refresh the cached rectangle of our static image */
if( node_out &&
/* Did the window area move? */
((!oyRectangle_IsEqual( disp_rectangle, old_display_rectangle ) ||
/* Something explicite to update? */
(old_roi_rectangle &&
!oyRectangle_IsEqual( ticket_roi, old_roi_rectangle ))||
/* Did the image move? */
oyPixelAccess_GetStart( ticket,0 ) !=
oyPixelAccess_GetOldStart( ticket,0 ) ||
oyPixelAccess_GetStart( ticket,1 ) !=
oyPixelAccess_GetOldStart( ticket,1 )) ||
dirty > 0))
{
#ifdef DEBUG_
printf( "%s:%d new display rectangle: %s +%d+%d\n", __FILE__,__LINE__,
oyRectangle_Show(disp_rectangle), X, Y ),
#endif
/* convert the image data */
oyConversion_RunPixels( context, ticket );
if(oy_debug && getenv("OY_DEBUG_WRITE"))
{
oyImage_s * out = oyConversion_GetImage( context, OY_OUTPUT );
oyImage_WritePPM( out, "debug_image_out.ppm", "image_display output image");
oyImage_Release( &out );
}
/* remember the old rectangle */
oyRectangle_SetByRectangle( old_display_rectangle, disp_rectangle );
oyRectangle_SetByRectangle( old_roi_rectangle, ticket_roi );
oyPixelAccess_SetOldStart(ticket,0, oyPixelAccess_GetStart(ticket,0));
oyPixelAccess_SetOldStart(ticket,1, oyPixelAccess_GetStart(ticket,1));
} else
result = -1;
oyFilterNode_Release( &node_out );
oyOptions_Release( &image_tags );
oyRectangle_Release( &disp_rectangle );
oyRectangle_Release( &ticket_roi );
}
if(oy_debug >= 4)
fprintf( stderr, "%s:%d %s() result: %d\n", strrchr(__FILE__,'/'),__LINE__,__func__, result );
return result;
}
