|
| 1 | +# Imports |
| 2 | +importsys |
| 3 | +importpygame |
| 4 | +importctypes |
| 5 | + |
| 6 | +# Increas Dots Per inch so it looks sharper |
| 7 | +ctypes.windll.shcore.SetProcessDpiAwareness(True) |
| 8 | + |
| 9 | +# Pygame Configuration |
| 10 | +pygame.init() |
| 11 | +fps=300 |
| 12 | +fpsClock=pygame.time.Clock() |
| 13 | +width,height=640,480 |
| 14 | +screen=pygame.display.set_mode((width,height),pygame.RESIZABLE) |
| 15 | + |
| 16 | +font=pygame.font.SysFont('Arial',20) |
| 17 | + |
| 18 | +# Variables |
| 19 | + |
| 20 | +# Our Buttons will append themself to this list |
| 21 | +objects= [] |
| 22 | + |
| 23 | +# Initial color |
| 24 | +drawColor= [0,0,0] |
| 25 | + |
| 26 | +# Initial brush size |
| 27 | +brushSize=30 |
| 28 | +brushSizeSteps=3 |
| 29 | + |
| 30 | +# Drawing Area Size |
| 31 | +canvasSize= [800,800] |
| 32 | + |
| 33 | +# Button Class |
| 34 | +classButton(): |
| 35 | +def__init__(self,x,y,width,height,buttonText='Button',onclickFunction=None,onePress=False): |
| 36 | +self.x=x |
| 37 | +self.y=y |
| 38 | +self.width=width |
| 39 | +self.height=height |
| 40 | +self.onclickFunction=onclickFunction |
| 41 | +self.onePress=onePress |
| 42 | + |
| 43 | +self.fillColors= { |
| 44 | +'normal':'#ffffff', |
| 45 | +'hover':'#666666', |
| 46 | +'pressed':'#333333', |
| 47 | + } |
| 48 | + |
| 49 | +self.buttonSurface=pygame.Surface((self.width,self.height)) |
| 50 | +self.buttonRect=pygame.Rect(self.x,self.y,self.width,self.height) |
| 51 | + |
| 52 | +self.buttonSurf=font.render(buttonText,True, (20,20,20)) |
| 53 | + |
| 54 | +self.alreadyPressed=False |
| 55 | + |
| 56 | +objects.append(self) |
| 57 | + |
| 58 | +defprocess(self): |
| 59 | + |
| 60 | +mousePos=pygame.mouse.get_pos() |
| 61 | + |
| 62 | +self.buttonSurface.fill(self.fillColors['normal']) |
| 63 | +ifself.buttonRect.collidepoint(mousePos): |
| 64 | +self.buttonSurface.fill(self.fillColors['hover']) |
| 65 | + |
| 66 | +ifpygame.mouse.get_pressed(num_buttons=3)[0]: |
| 67 | +self.buttonSurface.fill(self.fillColors['pressed']) |
| 68 | + |
| 69 | +ifself.onePress: |
| 70 | +self.onclickFunction() |
| 71 | + |
| 72 | +elifnotself.alreadyPressed: |
| 73 | +self.onclickFunction() |
| 74 | +self.alreadyPressed=True |
| 75 | + |
| 76 | +else: |
| 77 | +self.alreadyPressed=False |
| 78 | + |
| 79 | +self.buttonSurface.blit(self.buttonSurf, [ |
| 80 | +self.buttonRect.width/2-self.buttonSurf.get_rect().width/2, |
| 81 | +self.buttonRect.height/2-self.buttonSurf.get_rect().height/2 |
| 82 | + ]) |
| 83 | +screen.blit(self.buttonSurface,self.buttonRect) |
| 84 | + |
| 85 | + |
| 86 | +# Handler Functions |
| 87 | + |
| 88 | +# Changing the Color |
| 89 | +defchangeColor(color): |
| 90 | +globaldrawColor |
| 91 | +drawColor=color |
| 92 | + |
| 93 | +# Changing the Brush Size |
| 94 | +defchangebrushSize(dir): |
| 95 | +globalbrushSize |
| 96 | +ifdir=='greater': |
| 97 | +brushSize+=brushSizeSteps |
| 98 | +else: |
| 99 | +brushSize-=brushSizeSteps |
| 100 | + |
| 101 | +# Save the surface to the Disk |
| 102 | +defsave(): |
| 103 | +pygame.image.save(canvas,"canvas.png") |
| 104 | + |
| 105 | +# Button Variables. |
| 106 | +buttonWidth=120 |
| 107 | +buttonHeight=35 |
| 108 | + |
| 109 | +# Buttons and their respective functions. |
| 110 | +buttons= [ |
| 111 | + ['Black',lambda:changeColor([0,0,0])], |
| 112 | + ['White',lambda:changeColor([255,255,255])], |
| 113 | + ['Blue',lambda:changeColor([0,0,255])], |
| 114 | + ['Green',lambda:changeColor([0,255,0])], |
| 115 | + ['Brush Larger',lambda:changebrushSize('greater')], |
| 116 | + ['Brush Smaller',lambda:changebrushSize('smaller')], |
| 117 | + ['Save',save], |
| 118 | +] |
| 119 | + |
| 120 | +# Making the buttons |
| 121 | +forindex,buttonNameinenumerate(buttons): |
| 122 | +Button(index* (buttonWidth+10)+10,10,buttonWidth, |
| 123 | +buttonHeight,buttonName[0],buttonName[1]) |
| 124 | + |
| 125 | +# Canvas |
| 126 | +canvas=pygame.Surface(canvasSize) |
| 127 | +canvas.fill((255,255,255)) |
| 128 | + |
| 129 | +# Game loop. |
| 130 | +whileTrue: |
| 131 | +screen.fill((30,30,30)) |
| 132 | +foreventinpygame.event.get(): |
| 133 | +ifevent.type==pygame.QUIT: |
| 134 | +pygame.quit() |
| 135 | +sys.exit() |
| 136 | + |
| 137 | +# Drawing the Buttons |
| 138 | +forobjectinobjects: |
| 139 | +object.process() |
| 140 | + |
| 141 | +# Draw the Canvas at the center of the screen |
| 142 | +x,y=screen.get_size() |
| 143 | +screen.blit(canvas, [x/2-canvasSize[0]/2,y/2-canvasSize[1]/2]) |
| 144 | + |
| 145 | +# Drawing with the mouse |
| 146 | +ifpygame.mouse.get_pressed()[0]: |
| 147 | +mx,my=pygame.mouse.get_pos() |
| 148 | + |
| 149 | +# Calculate Position on the Canvas |
| 150 | +dx=mx-x/2+canvasSize[0]/2 |
| 151 | +dy=my-y/2+canvasSize[1]/2 |
| 152 | + |
| 153 | +pygame.draw.circle( |
| 154 | +canvas, |
| 155 | +drawColor, |
| 156 | + [dx,dy], |
| 157 | +brushSize, |
| 158 | + ) |
| 159 | + |
| 160 | +# Reference Dot |
| 161 | +pygame.draw.circle( |
| 162 | +screen, |
| 163 | +drawColor, |
| 164 | + [100,100], |
| 165 | +brushSize, |
| 166 | + ) |
| 167 | + |
| 168 | +pygame.display.flip() |
| 169 | +fpsClock.tick(fps) |