#include <scaledPreviewInterface.h>
Inheritance diagram for ScaledPreviewInterface:
Signals | |
void | resized () |
Public Member Functions | |
ScaledPreviewInterface (QString imageFilename, QWidget *parent=0, const char *name=0) | |
Creates layout. | |
virtual QSize | sizeHint () const |
virtual QSize | minimumSizeHint () const |
Protected Member Functions | |
void | resizeEvent (QResizeEvent *) |
Private Attributes | |
QImage | fullScreenImage |
Full screen version of image. | |
QSize | origImageSize |
original image dimensions |
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Creates layout.
Definition at line 19 of file scaledPreviewInterface.cpp. References fullScreenImage, getImageSize(), origImageSize, and scaleImage(). 00020 : 00021 SplitViewInterface (parent, name ) 00022 { 00023 //store original image dimensions 00024 getImageSize( imageFilename, origImageSize ); 00025 00026 //resize image to current screen size for faster 00027 //scaling during resize events 00028 QRect screenSize = qApp->desktop()->availableGeometry(); 00029 scaleImage( imageFilename, fullScreenImage, screenSize.width()/2, screenSize.height()/2 ); 00030 //----- 00031 }
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Reimplemented from SplitViewInterface. Definition at line 58 of file scaledPreviewInterface.cpp. References SplitViewInterface::minimumSizeHint(), and origImageSize. 00059 { 00060 QSize baseMinSize = SplitViewInterface::minimumSizeHint(); 00061 int w = baseMinSize.width(); 00062 int h = QMAX( baseMinSize.height(), (w*origImageSize.height())/origImageSize.width() ); 00063 return QSize( w, h ); 00064 }
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Referenced by resizeEvent(). |
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Implements SplitViewInterface. Definition at line 33 of file scaledPreviewInterface.cpp. References fullScreenImage, height, resized(), SplitViewInterface::setImages(), and width. 00034 { 00035 //if image has yet to be set return 00036 if( fullScreenImage.isNull() ) return; 00037 00038 //generate orig image 00039 //set adjusted image to null so repain won't occur until it is reset 00040 setImages( fullScreenImage.scale( width(), height(), QImage::ScaleMin ), 00041 QImage() ); 00042 00043 //emit resized signal 00044 emit resized(); 00045 }
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Implements SplitViewInterface. Definition at line 47 of file scaledPreviewInterface.cpp. References origImageSize. 00048 { 00049 //a 500x375 is 4:3 aspect ratio which is fairly typical 00050 //we'll clamp the hight to 375 in the situation where an image is mucher taller than wide 00051 //(and hence computed height would be so big window won't fit on screen) 00052 int w = 500; 00053 int h = QMIN( 375, (w*origImageSize.height())/origImageSize.width() ); 00054 00055 return QSize( w,h ); 00056 }
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Full screen version of image.
Definition at line 35 of file scaledPreviewInterface.h. Referenced by resizeEvent(), and ScaledPreviewInterface(). |
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original image dimensions
Definition at line 38 of file scaledPreviewInterface.h. Referenced by minimumSizeHint(), ScaledPreviewInterface(), and sizeHint(). |