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QOIF Image class. More...
#include <FXQOIFImage.h>
Public Member Functions | |
FXQOIFImage (FXApp *a, const FXuchar *pix=nullptr, FXuint opts=0, FXint w=1, FXint h=1) | |
Construct an image from memory stream formatted in QOIF format. | |
virtual FXbool | savePixels (FXStream &store) const |
Load pixels from stream in PNG format. | |
virtual FXbool | loadPixels (FXStream &store) |
Save pixels into stream in PNG format. | |
virtual | ~FXQOIFImage () |
Destroy. | |
Public Member Functions inherited from FX::FXImage | |
FXImage (FXApp *a, const FXColor *pix=nullptr, FXuint opts=0, FXint w=1, FXint h=1) | |
Create an image. More... | |
void | setOptions (FXuint opts) |
Change options. | |
FXuint | getOptions () const |
To get to the option flags. | |
void | setOwned (FXbool owned) |
Set pixel data ownership flag. | |
FXbool | isOwned () const |
Get pixel data ownership flag. | |
virtual void | setData (FXColor *pix, FXuint opts=0) |
Populate the image with new pixel data of the same size; it will assume ownership of the pixel data if image IMAGE_OWNED option is passed. More... | |
virtual void | setData (FXColor *pix, FXuint opts, FXint w, FXint h) |
Populate the image with new pixel data of a new size; it will assume ownership of the pixel data if image IMAGE_OWNED option is passed. More... | |
FXColor * | getData () const |
Return pointer to the pixel data of the image. | |
FXColor | getPixel (FXint x, FXint y) const |
Get pixel at x,y. | |
void | setPixel (FXint x, FXint y, FXColor color) |
Change pixel at x,y. | |
FXbool | hasAlpha () const |
Scan the image and return false if fully opaque. | |
virtual void | create () |
Create the server side pixmap, then call render() to fill it with the pixel data from the client-side buffer. More... | |
virtual void | detach () |
Detach the server side pixmap from the Image. More... | |
virtual void | destroy () |
Destroy the server-side pixmap. More... | |
virtual void | restore () |
Retrieves pixels from the server-side image. More... | |
virtual void | render () |
Render the server-side representation of the image from client-side pixels. More... | |
virtual void | release () |
Release the client-side pixels buffer, free it if it was owned. More... | |
virtual void | resize (FXint w, FXint h) |
Resize both client-side and server-side representations (if any) to the given width and height. More... | |
virtual void | scale (FXint w, FXint h, FXint quality=0) |
Rescale pixels image to the specified width and height; this calls resize() to adjust the client and server side representations. | |
virtual void | mirror (FXbool horizontal, FXbool vertical) |
Mirror image horizontally and/or vertically. | |
virtual void | rotate (FXint degrees) |
Rotate image by degrees ccw; this calls resize() to adjust the client and server side representations if necessary. | |
virtual void | crop (FXint x, FXint y, FXint w, FXint h, FXColor color=0) |
Crop image to given rectangle; this calls resize() to adjust the client and server side representations. More... | |
virtual void | fill (FXColor color) |
Fill image with uniform color. | |
virtual void | fade (FXColor color, FXint factor=255) |
Fade image to uniform color. | |
virtual void | xshear (FXint shear, FXColor clr=0) |
Shear image horizontally; the number of pixels is equal to the shear parameter times 256. More... | |
virtual void | yshear (FXint shear, FXColor clr=0) |
Shear image vertically; the number of pixels is equal to the shear parameter times 256. More... | |
virtual void | hgradient (FXColor left, FXColor right) |
Fill horizontal gradient. | |
virtual void | vgradient (FXColor top, FXColor bottom) |
Fill vertical gradient. | |
virtual void | gradient (FXColor topleft, FXColor topright, FXColor bottomleft, FXColor bottomright) |
Fill with gradient. | |
virtual void | blend (FXColor color) |
Blend image over uniform color. | |
virtual void | invert () |
Invert colors of an image. | |
virtual void | colorize (FXColor color) |
Colorize image based on luminance. | |
virtual void | save (FXStream &store) const |
Save object to stream. | |
virtual void | load (FXStream &store) |
Load object from stream. | |
virtual | ~FXImage () |
Destructor. | |
Public Member Functions inherited from FX::FXDrawable | |
FXVisual * | getVisual () const |
Get the visual. | |
FXint | getWidth () const |
Width of drawable. | |
FXint | getHeight () const |
Height of drawable. | |
void | setVisual (FXVisual *vis) |
Change visual. | |
virtual | ~FXDrawable () |
Cleanup. | |
Public Member Functions inherited from FX::FXId | |
FXApp * | getApp () const |
Get application. | |
FXID | id () const |
Get XID handle. | |
void | setUserData (FXptr ptr) |
Set user data pointer. | |
FXptr | getUserData () const |
Get user data pointer. | |
virtual | ~FXId () |
Destructor. | |
Public Member Functions inherited from FX::FXObject | |
const FXchar * | getClassName () const |
Get class name of some object. | |
FXbool | isMemberOf (const FXMetaClass *metaclass) const |
Check if object is member of metaclass. | |
virtual long | tryHandle (FXObject *sender, FXSelector sel, void *ptr) |
Try handle message safely, catching certain exceptions. | |
virtual long | onDefault (FXObject *, FXSelector, void *) |
Called for unhandled messages. | |
virtual | ~FXObject () |
Virtual destructor. | |
Static Public Attributes | |
static const FXchar | fileExt [] |
static const FXchar | mimeType [] |
Additional Inherited Members | |
Protected Member Functions inherited from FX::FXDrawable | |
FXDrawable (FXApp *a, FXint w, FXint h) | |
Protected Member Functions inherited from FX::FXId | |
FXId (FXApp *a) | |
Protected Attributes inherited from FX::FXImage | |
FXColor * | data |
FXuint | options |
Protected Attributes inherited from FX::FXDrawable | |
FXVisual * | visual |
FXint | width |
FXint | height |
Protected Attributes inherited from FX::FXId | |
FXID | xid |
QOIF Image class.
Copyright © 1997-2022 Jeroen van der Zijp |