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GdkDisplayer Class Reference

#include <displayer.h>

Inheritance diagram for GdkDisplayer:

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Collaboration diagram for GdkDisplayer:

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List of all members.

Public Member Functions

 GdkDisplayer (GtkWidget *drawingarea, int width, int height, bool is_wide)
 ~GdkDisplayer ()
bool usable ()
 Indicates if an object can be used to render images on the running system.
DisplayerInput format ()
 Indicates the format required by the abstract put method.
void put (void *data)

Private Attributes

GtkWidget * drawingarea
bool m_is_wide

Constructor & Destructor Documentation

GdkDisplayer::GdkDisplayer (  GtkWidget *  drawingarea,
int  width,
int  height,
bool  is_wide
) 
 

Definition at line 654 of file displayer.cc.

References Displayer::img_height, Displayer::img_width, and m_is_wide.

00655 {
00656     this->drawingarea = drawingarea;
00657     img_width = width;
00658     img_height = height;
00659     m_is_wide = is_wide;
00660 }

GdkDisplayer::~GdkDisplayer (   ) 
 

Definition at line 662 of file displayer.cc.

00663 {}

Member Function Documentation

DisplayerInput GdkDisplayer::format (   )  [virtual]
 

Indicates the format required by the abstract put method.

Reimplemented from Displayer.

Definition at line 670 of file displayer.cc.

References DISPLAY_RGB.

00671 {
00672     return DISPLAY_RGB;
00673 }

void GdkDisplayer::put (  void *  data  )  [virtual]
 

Implements Displayer.

Definition at line 675 of file displayer.cc.

References drawingarea, AspectRatioCalculator::height, Displayer::img_height, m_is_wide, Displayer::preferredHeight(), Displayer::preferredWidth(), and AspectRatioCalculator::width.

Referenced by generate_file_preview().

00676 {
00677     unsigned char * image = ( unsigned char * ) data;
00678 
00679     AspectRatioCalculator calc( ( ( GtkWidget * ) drawingarea ) ->allocation.width,
00680                                 ( ( GtkWidget * ) drawingarea ) ->allocation.height,
00681                                 this->preferredWidth(), this->preferredHeight(),
00682                                 img_height == 576, m_is_wide );
00683 
00684     GdkGC *gc = gdk_gc_new( drawingarea->window );
00685     GdkPixbuf *pix = gdk_pixbuf_new_from_data( image, GDK_COLORSPACE_RGB, FALSE, 8, preferredWidth(), preferredHeight(), preferredWidth() * 3, NULL, NULL );
00686     GdkPixbuf *im = gdk_pixbuf_scale_simple( pix, calc.width, calc.height, GDK_INTERP_NEAREST );
00687     gdk_draw_pixbuf( drawingarea->window, gc, im, 0, 0, 0, 0, -1, -1, GDK_RGB_DITHER_NORMAL, 0, 0 );
00688     g_object_unref( im );
00689     g_object_unref( pix );
00690     g_object_unref( gc );
00691 }

bool GdkDisplayer::usable (   )  [virtual]
 

Indicates if an object can be used to render images on the running system.

Reimplemented from Displayer.

Definition at line 665 of file displayer.cc.

00666 {
00667     return true;
00668 }

Member Data Documentation

GtkWidget* GdkDisplayer::drawingarea [private]
 

Definition at line 184 of file displayer.h.

Referenced by put().

bool GdkDisplayer::m_is_wide [private]
 

Definition at line 185 of file displayer.h.

Referenced by GdkDisplayer(), and put().

The documentation for this class was generated from the following files:
Generated on Sun Mar 11 22:12:57 2007 for Kino by  doxygen 1.4.2