C++ (Cpp) ImageObject::drawImage示例

void Knob::render( ImageObject& img, const Rect& r )
{
  if ( !visible() ) return;
  if ( pImage != NULL ) {
    img.drawImage( *pImage, Rect( 0, 0, pImage->sectionWidth(), pImage->sectionHeight() ), pImage->sectionRect( pValue ) );
  } else if ( pImages != NULL ) {
    ImageObject* tmp = pImages->get( pValue );
    if ( tmp != NULL ) {
      img.drawImage( *tmp, Rect( 0, 0, tmp->width(), tmp->height()), pImage->sectionRect( pValue ) );
    }
  } else {
    Widget::render( img, r );
  }
}

示例#2

显示文件

文件： uipushbutton.cpp 项目： dcthe1/GameUI

void PushButton::render( ImageObject& img, const Rect& r )
{
  if ( !visible() ) return;

	Rect r2 = Rect( 0, 0, clientVisibleWidth(), clientVisibleHeight() );
  int theight = 0;
  int twidth = 0;
  if ( (font() != NULL) && ( text() != L"" ) ) {
    theight = font()->textHeight();
    twidth = font()->textWidth( pText ) + 2;
  }
  if ( pImage != NULL ) {

    twidth += pImage->width();
    r2.top = ( r2.height / 2 - pImage->height() / 2 );
    r2.left = ( r2.width / 2 - twidth / 2 );
    r2.width = pImage->width();
    r2.height = pImage->height();
    if ( pressed() ) {
      r2.top += 1;
      r2.left += 1;
    }
    img.drawImage( *pImage, r2 );
    r2.left += pImage->width() + 2;
		r2.width = clientVisibleWidth();
		r2.height = clientVisibleHeight();

  } else {
    r2.left = ( r2.width / 2 - (twidth-2) / 2 );
  }
  r2.top = ( r2.height / 2 - theight / 2 );
  if ( font() != NULL ) {
    if ( pressed() ) {
      img.outText( pText, *font(), (int)r2.left+1, (int)r2.top+1, fontColor() );
    } else {
      img.outText( pText, *font(), (int)r2.left, (int)r2.top, fontColor() );
    }
  }
}