Large Module · 45 Lessons

Build a Drawing App from Scratch

Build a complete, resume-worthy project from scratch. This course guides you step-by-step through creating a full drawing application, covering UI design, tool systems, state management, and saving/loading files.

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Lesson 1

The Architecture of a Drawing App

Lesson 1

The Architecture of a Drawing App

Lesson 2

Creating the Application Window

Lesson 2

Creating the Application Window

Lesson 3

The Main Application Loop

Lesson 3

The Main Application Loop

Lesson 4

Handling the Quit Event

Lesson 4

Handling the Quit Event

Lesson 5

Colors & Backgrounds

Lesson 5

Colors & Backgrounds

Lesson 6

Drawing Rectangles

Lesson 6

Drawing Rectangles

Lesson 7

Drawing Circles

Lesson 7

Drawing Circles

Lesson 8

Connecting Points with Lines

Lesson 8

Connecting Points with Lines

Lesson 9

Tracking the Mouse

Lesson 9

Tracking the Mouse

Lesson 10

Detecting Clicks

Lesson 10

Detecting Clicks

Lesson 11

Persistent Drawing: The Canvas

Lesson 11

Persistent Drawing: The Canvas

Lesson 12

Smooth Strokes (Connecting the Dots)

Lesson 12

Smooth Strokes (Connecting the Dots)

Lesson 13

Brush Size Control

Lesson 13

Brush Size Control

Lesson 14

Color Selection Management

Lesson 14

Color Selection Management

Lesson 15

Building a User Interface Palette

Lesson 15

Building a User Interface Palette

Lesson 16

The Eraser Tool

Lesson 16

The Eraser Tool

Lesson 17

Dynamic Canvas Resizing

Lesson 17

Dynamic Canvas Resizing

Lesson 18

The Power of Surfaces

Lesson 18

The Power of Surfaces

Lesson 19

Alpha Transparency

Lesson 19

Alpha Transparency

Lesson 20

Implementing Drawing Layers

Lesson 20

Implementing Drawing Layers

Lesson 21

Active Layer Toggling

Lesson 21

Active Layer Toggling

Lesson 22

UI Buttons: Rectangle Collision

Lesson 22

UI Buttons: Rectangle Collision

Lesson 23

Button Visual States (Hover)

Lesson 23

Button Visual States (Hover)

Lesson 24

Advanced Colors: RGB Sliders

Lesson 24

Advanced Colors: RGB Sliders

Lesson 25

Brush Shapes: Square vs. Round

Lesson 25

Brush Shapes: Square vs. Round

Lesson 26

Bucket Fill (The Flood Fill Algorithm)

Lesson 26

Bucket Fill (The Flood Fill Algorithm)

Lesson 27

Eye Dropper: Color Sampler

Lesson 27

Eye Dropper: Color Sampler

Lesson 28

The Undo System (Part 1: Snapshots)

Lesson 28

The Undo System (Part 1: Snapshots)

Lesson 29

The Redo System

Lesson 29

The Redo System

Lesson 30

Memory Management: History Limits

Lesson 30

Memory Management: History Limits

Lesson 31

Saving Images (Exporting)

Lesson 31

Saving Images (Exporting)

Lesson 32

Loading Images (Importing)

Lesson 32

Loading Images (Importing)

Lesson 33

Clear Canvas Feature

Lesson 33

Clear Canvas Feature

Lesson 34

Grid Overlay & Snapping

Lesson 34

Grid Overlay & Snapping

Lesson 35

Shapes Tool: Line Tool

Lesson 35

Shapes Tool: Line Tool

Lesson 36

Shapes Tool: Rectangle Tool

Lesson 36

Shapes Tool: Rectangle Tool

Lesson 37

Shapes Tool: Ellipse Tool

Lesson 37

Shapes Tool: Ellipse Tool

Lesson 38

Zooming In & Out

Lesson 38

Zooming In & Out

Lesson 39

Panning the Canvas

Lesson 39

Panning the Canvas

Lesson 40

Custom Brushes (Images)

Lesson 40

Custom Brushes (Images)

Lesson 41

Toolbars & Dividers

Lesson 41

Toolbars & Dividers

Lesson 42

Text Tool (Fonts)

Lesson 42

Text Tool (Fonts)

Lesson 43

Exporting Metadata

Lesson 43

Exporting Metadata

Lesson 44

Final Polish & Shortcuts

Lesson 44

Final Polish & Shortcuts

Lesson 45

The Masterpiece: Final Drawing App

Lesson 45