/****************************************************************************** * Antialias Application * * Upraveny scribble s rozostrovanim obrazu - 4. zadanie (6. tyzden) * * Richard Richter, 97703, pocitacova grafika * ******************************************************************************/ #include "fox/fx.h" #define MyImage FXImage // Farby ktorymi sa da kreslit #define BLUE FXRGB(0,0,255) #define RED FXRGB(255,0,0) #define GREEN FXRGB(0,255,0) #define BLACK FXRGB(0,0,0) // Par mojich konstant #define MYW 1024 // moja sirka obrazku (musi byt < 2048) #define MYH 768 // moja vyska obrazku (musi byt < 2048) // Main Window class AntiAliasWindow : public FXMainWindow { // Macro for class hierarchy declarations FXDECLARE(AntiAliasWindow) private: FXHorizontalFrame *contents; // Content frame FXVerticalFrame *canvasFrame; // Canvas frame FXVerticalFrame *buttonFrame; // Button frame FXCanvas *canvas; // Canvas for image // Na aliasing potrebujeme dva obrazky - stary a novy MyImage *image; // Image to draw into MyImage *aaimage; // Antialiased image // Flagy pre povodny scribble ostavaju int mdflag; // Mouse button down? int dirty; // Canvas has been painted? // Tieto pribudaju pre pamat obrazu a farbu int changed; //Image changed (not rendered) int colid; //Identifikator farbicky // Povodny ostal FXColor drawColor; // Color for the line protected: AntiAliasWindow(){} public: // Message handlers long onPaint(FXObject*,FXSelector,void*); long onMouseDown(FXObject*,FXSelector,void*); long onMouseUp(FXObject*,FXSelector,void*); long onMouseMove(FXObject*,FXSelector,void*); long onCmdClear(FXObject*,FXSelector,void*); long onUpdClear(FXObject*,FXSelector,void*); // Nove handlery long onColChange(FXObject*,FXSelector,void*); long onMakeAA(FXObject*,FXSelector,void*); public: // Messages for our class enum{ ID_CANVAS=FXMainWindow::ID_LAST, ID_CLEAR, // CHCOL a MAKEAA som pridal pre spravy od tlacitka zmeny farby a AA... ID_CHCOL, ID_MAKEAA, ID_LAST }; public: // AntiAliasWindow's constructor AntiAliasWindow(FXApp* a); // Initialize virtual void create(); }; // Message Map for the AntiAlias Window class FXDEFMAP(AntiAliasWindow) AntiAliasWindowMap[]={ //________Message_Type___________ID_____________________________Message_Handler_______ FXMAPFUNC(SEL_PAINT, AntiAliasWindow::ID_CANVAS, AntiAliasWindow::onPaint), FXMAPFUNC(SEL_LEFTBUTTONPRESS, AntiAliasWindow::ID_CANVAS, AntiAliasWindow::onMouseDown), FXMAPFUNC(SEL_LEFTBUTTONRELEASE, AntiAliasWindow::ID_CANVAS, AntiAliasWindow::onMouseUp), FXMAPFUNC(SEL_MOTION, AntiAliasWindow::ID_CANVAS, AntiAliasWindow::onMouseMove), FXMAPFUNC(SEL_COMMAND, AntiAliasWindow::ID_CLEAR, AntiAliasWindow::onCmdClear), FXMAPFUNC(SEL_UPDATE, AntiAliasWindow::ID_CLEAR, AntiAliasWindow::onUpdClear), // Mnou pridane spravy... FXMAPFUNC(SEL_COMMAND, AntiAliasWindow::ID_MAKEAA, AntiAliasWindow::onMakeAA), FXMAPFUNC(SEL_COMMAND, AntiAliasWindow::ID_CHCOL, AntiAliasWindow::onColChange), }; // Macro for the AntiAliasApp class hierarchy implementation FXIMPLEMENT(AntiAliasWindow,FXMainWindow,AntiAliasWindowMap,ARRAYNUMBER(AntiAliasWindowMap)) // Construct a AntiAliasWindow AntiAliasWindow::AntiAliasWindow(FXApp *a):FXMainWindow(a,"AntiAlias Application",NULL,NULL,DECOR_ALL,0,0,800,600){ contents=new FXHorizontalFrame(this,LAYOUT_SIDE_TOP|LAYOUT_FILL_X|LAYOUT_FILL_Y,0,0,0,0, 0,0,0,0); // LEFT pane to contain the canvas canvasFrame=new FXVerticalFrame(contents,FRAME_SUNKEN|LAYOUT_FILL_X|LAYOUT_FILL_Y|LAYOUT_TOP|LAYOUT_LEFT,0,0,0,0,10,10,10,10); image=new MyImage(a,NULL,IMAGE_OWNED,MYW,MYH); aaimage=new MyImage(a,NULL,IMAGE_OWNED,MYW,MYH); // Label above the canvas new FXLabel(canvasFrame,"Canvas Frame",NULL,JUSTIFY_CENTER_X|LAYOUT_FILL_X); // Horizontal divider line new FXHorizontalSeparator(canvasFrame,SEPARATOR_GROOVE|LAYOUT_FILL_X); // Drawing canvas canvas=new FXCanvas(canvasFrame,this,ID_CANVAS,FRAME_SUNKEN|FRAME_THICK|LAYOUT_FILL_X|LAYOUT_FILL_Y|LAYOUT_TOP|LAYOUT_LEFT); // RIGHT pane for the buttons buttonFrame=new FXVerticalFrame(contents,FRAME_SUNKEN|LAYOUT_FILL_Y|LAYOUT_TOP|LAYOUT_LEFT,0,0,0,0,10,10,10,10); // Label above the buttons new FXLabel(buttonFrame,"Button Frame",NULL,JUSTIFY_CENTER_X|LAYOUT_FILL_X); // Horizontal divider line new FXHorizontalSeparator(buttonFrame,SEPARATOR_RIDGE|LAYOUT_FILL_X); // Button to change color (moj vlastny :-)) new FXButton(buttonFrame,"Change Co&lor",NULL,this,ID_CHCOL,FRAME_THICK|FRAME_RAISED|LAYOUT_FILL_X|LAYOUT_TOP|LAYOUT_LEFT,0,0,0,0,10,10,5,5); // Button to antialias image (tiez vlastny :-)) new FXButton(buttonFrame,"&Antialias",NULL,this,ID_MAKEAA,FRAME_THICK|FRAME_RAISED|LAYOUT_FILL_X|LAYOUT_TOP|LAYOUT_LEFT,0,0,0,0,10,10,5,5); // Button to clear new FXButton(buttonFrame,"&Clear",NULL,this,ID_CLEAR,FRAME_THICK|FRAME_RAISED|LAYOUT_FILL_X|LAYOUT_TOP|LAYOUT_LEFT,0,0,0,0,10,10,5,5); // Exit button new FXButton(buttonFrame,"&Exit",NULL,getApp(),FXApp::ID_QUIT,FRAME_THICK|FRAME_RAISED|LAYOUT_FILL_X|LAYOUT_TOP|LAYOUT_LEFT,0,0,0,0,10,10,5,5); // Initialize private variables drawColor=RED; mdflag=0; dirty=0; changed=0; colid=0; image->create(); FXDCWindow dc(image); dc.setForeground(FXRGB(255,255,255)); dc.fillRectangle(0,0,MYW,MYH); } // Create and initialize void AntiAliasWindow::create(){ // Create the windows FXMainWindow::create(); // Make the main window appear show(); } // Mouse button was pressed somewhere long AntiAliasWindow::onMouseDown(FXObject*,FXSelector,void*){ canvas->grab(); // While the mouse is down, we'll draw lines mdflag=1; return 1; } // The mouse has moved, draw a line long AntiAliasWindow::onMouseMove(FXObject*, FXSelector, void* ptr){ FXEvent *ev=(FXEvent*)ptr; if(mdflag){ // Get DC for the image FXDCWindow dc(image); // Set foreground color dc.setForeground(drawColor); // Draw line dc.drawLine(ev->last_x, ev->last_y, ev->win_x, ev->win_y); changed=1; // We have drawn something, so now the canvas is dirty dirty=1; } return 1; } // The mouse button was released again long AntiAliasWindow::onMouseUp(FXObject*,FXSelector,void* ptr){ FXEvent *ev=(FXEvent*) ptr; canvas->ungrab(); if(mdflag){ FXDCWindow dc(image); dc.setForeground(drawColor); dc.drawLine(ev->last_x, ev->last_y, ev->win_x, ev->win_y); changed=1; // We have drawn something, so now the canvas is dirty dirty=1; // Mouse no longer down mdflag=0; } return 1; } // Paint the canvas long AntiAliasWindow::onPaint(FXObject*,FXSelector,void* ptr){ FXEvent *ev=(FXEvent*)ptr; FXDCWindow dc(canvas,ev); image->render(); dc.drawImage(image,0,0); changed=0; return 1; } // Handle the antialias message #define VP 4 //vaha bodu #define NVP 2 //vaha suseda #define DVP 1 //vaha diagonalneho suseda // Funkcia sa da riesit s readPixelom, ale je to NENORMALNE pomale // Preto priame citanie dat - to ma ale aj hacik - napr. na Win // nejdu plany za sebou ako RGB ale tusim ako BGR. ;-) takze pekne // preindexovat: :-) #define IRED 0 #define IGREEN 1 #define IBLUE 2 long AntiAliasWindow::onMakeAA(FXObject*,FXSelector,void*){ FXImage *tmp; image->restore(); aaimage->create(); FXDCWindow tdc(aaimage); //target DC int x,y; FXuchar *idata=image->getData(); //FXuchar *odata=aaimage->getData(); for (y=0;ydestroy(); tmp=aaimage; aaimage=image; image=tmp; changed=1; return 1; } // Handle the clear message long AntiAliasWindow::onCmdClear(FXObject*,FXSelector,void*){ FXDCWindow dc(image); dc.setForeground(FXRGB(255,255,255)); dc.fillRectangle(0,0,MYW,MYH); dirty=0; changed=1; return 1; } // Handle the change color message long AntiAliasWindow::onColChange(FXObject*,FXSelector,void*){ (colid==3)?colid=0:colid++; switch(colid) { case 0: drawColor=RED; break; case 1: drawColor=BLUE; break; case 2: drawColor=GREEN; break; case 3: drawColor=BLACK; break; } return 1; } // Updating Clear button long AntiAliasWindow::onUpdClear(FXObject* sender,FXSelector,void*){ if(dirty) sender->handle(this,MKUINT(FXWindow::ID_ENABLE,SEL_COMMAND),NULL); else sender->handle(this,MKUINT(FXWindow::ID_DISABLE,SEL_COMMAND),NULL); if (changed) { FXDCWindow dc(canvas); image->render(); dc.drawImage(image,0,0); changed=0; } return 1; } // Here we begin int main(int argc,char *argv[]){ // Make application FXApp application("AntiAlias","FoxApp"); // Start app application.init(argc,argv); // AntiAlias window new AntiAliasWindow(&application); // Create the application's windows application.create(); // Run the application return application.run(); }