DUI version 00.07
drawing area
/* * This file is part of dui. * * dui is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * dui is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with dui; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ module test.TestDrawingArea; import dui.All; private import std.math; /** * This tests the DUI drawing area widget */ class TestDrawingArea : VBox { debug(status) { int complete(){return 100;} char[] gtkName(){return "";} char[] description(){return "";} char[] author(){return "Antonio";} } this() { //debug(1) //{ // printf("instantiating TestDrawing\n"); //} super(false,7); TestDrawing drawingArea = new TestDrawing(); OptionMenu gcOptions = new OptionMenu(); Menu menu = new Menu(); menu.append(new MenuItem(drawingArea,"GC COPY","GCFuncCOPY")); menu.append(new MenuItem(drawingArea,"GC INVERT","GCFuncINVERT")); menu.append(new MenuItem(drawingArea,"GC XOR","GCFuncXOR")); menu.append(new MenuItem(drawingArea,"GC CLEAR","GCFuncCLEAR")); menu.append(new MenuItem(drawingArea,"GC AND","GCFuncAND")); menu.append(new MenuItem(drawingArea,"GC AND_REVERSE","GCFuncAND_REVERSE")); menu.append(new MenuItem(drawingArea,"GC AND_INVERT","GCFuncAND_INVERT")); menu.append(new MenuItem(drawingArea,"GC NOOP","GCFuncNOOP")); menu.append(new MenuItem(drawingArea,"GC OR","GCFuncOR")); menu.append(new MenuItem(drawingArea,"GC EQUIV","GCFuncEQUIV")); menu.append(new MenuItem(drawingArea,"GC OR_REVERSE","GCFuncOR_REVERSE")); menu.append(new MenuItem(drawingArea,"GC COPY_INVERT","GCFuncCOPY_INVERT")); menu.append(new MenuItem(drawingArea,"GC OR_INVERT","GCFuncOR_INVERT")); menu.append(new MenuItem(drawingArea,"GC NAND","GCFuncNAND")); menu.append(new MenuItem(drawingArea,"GC NOR","GCFuncNOR")); menu.append(new MenuItem(drawingArea,"GC SET","GCFuncSET")); gcOptions.setMenu(menu); packStart(drawingArea,true,true,0); packStart(gcOptions,false,false,0); } class TestDrawing : DrawingArea , ExposeListener , MapListener , MouseMotionListener , MouseButtonListener , MenuItemListener { int gcFunction = 0; Color paintColor; Color black; this() { setSizeRequest(333,333); paintColor = new Color(0,0,0); black = new Color(0,0,0); Dispatcher dispatcher = Dispatcher.getDispatcher(); dispatcher.addMouseButtonListener((MouseButtonListener)this,(Widget)this); dispatcher.addMouseMotionListener(this,this); dispatcher.addExposeListener(this,this); dispatcher.addMapListener(this,this); } public bit mapCallback(Drawable d) { //printf("MAP CALLBACK\n"); return false; } public bit unmapCallback(Drawable d) { //printf("UN-MAP CALLBACK\n"); return false; } /** * This will be called from the expose event call back. * \bug this is called on get or loose focus - review */ public bit exposeCallback(Widget widget) { //printf("testWindow.exposed ----------------------------- \n"); drawPoins(widget.getDrawable()); return true; } public bit noExposeCallback(Widget widget) { //printf("testWindow.noExposed ----------------------------- \n"); return true; } public bit motionNotifyCallback(Widget widget, EventMotion event) { //printf("testWindow.mouseMoved ----------------------------- \n"); if ( event.testState(ModifierType.BUTTON1_MASK) ) { Drawable d = getDrawable(); GC gc = d.getGC(); gc.setForeground(paintColor); gc.setFunction(gcFunction); //d.drawPoint(event.getX(),event.getY()); d.drawArc(true,event.getX()-2,event.getY()-2,4,4,0,64*360); //d.drawRectangle(true,event.getX()-2,event.getY()-2,4,4); gc.setForeground(black); gc.setFunction(GC.COPY); } return true; } public bit mouseButtonPressCallback(Widget widget, EventButton event) { //printf("testWindow.buttonPressed ----------------------------- \n"); if ( event.button() == 1 ) { Drawable d = getDrawable(); GC gc = d.getGC(); gc.setForeground(new Color(0,0,0)); gc.setFunction(gcFunction); d.drawArc(true,event.getX()-2,event.getY()-2,4,4,0,64*360); //d.drawRectangle(true,event.getX()-2,event.getY()-2,4,4); gc.setForeground(black); gc.setFunction(GC.COPY); } return true; } public bit mouseButtonReleaseCallback(Widget widget, EventButton event) { //printf("testWindow.buttonReleased ----------------------------- \n"); return true; } private void drawPoins(Drawable d) { int totalcount = 0; int count = 0; Color color = new Color(); GC gc = d.getGC(); int width; int height; int x =0; int y =0; width = getWidth(); height = getHeight(); float dx = 256.0 / width; float dy = 256.0 / height ; float xx; float yy; while ( x < width || y <height ) { xx = x * dx; yy = y * dy; color.set(xx,yy,sqrt((float)(xx*xx)+(float)(yy*yy)) ); gc.setForeground(color); d.drawPoint(x,y); x +=1; if ( x > width) { if ( y>height) { //y=0; } else { x = 0; y+=1; } } ++totalcount; } gc.setForeground(black); delete color; } void activateItemCallback(MenuItem menuItem, char [] action) { } void activateCallback(MenuItem menuItem, char [] action) { switch(action) { case "GCFuncCOPY": gcFunction = GC.COPY; break; case "GCFuncINVERT": gcFunction = GC.INVERT; break; case "GCFuncXOR": gcFunction = GC.XOR; break; case "GCFuncCLEAR": gcFunction = GC.CLEAR; break; case "GCFuncAND": gcFunction = GC.AND; break; case "GCFuncAND_REVERSE": gcFunction = GC.AND_REVERSE; break; case "GCFuncAND_INVERT": gcFunction = GC.AND_INVERT; break; case "GCFuncNOOP": gcFunction = GC.NOOP; break; case "GCFuncOR": gcFunction = GC.OR; break; case "GCFuncEQUIV": gcFunction = GC.EQUIV; break; case "GCFuncOR_REVERSE": gcFunction = GC.OR_REVERSE; break; case "GCFuncCOPY_INVERT": gcFunction = GC.COPY_INVERT; break; case "GCFuncOR_INVERT": gcFunction = GC.OR_INVERT; break; case "GCFuncNAND": gcFunction = GC.NAND; break; case "GCFuncNOR": gcFunction = GC.NOR; break; case "GCFuncSET": gcFunction = GC.SET; break; } } } }
