Computer graphics tutorials
graphics.h tutorials for C graphics programming
Step-by-step computer graphics notes with formulas, worked explanations, copyable graphics.h programs, and examples that run in the browser.
Setup Guides
Learn how to set up and run graphics.h programs on your system using different tools and methods.
graphics.h Functions List With Examples
A study-friendly list of the most useful graphics.h functions, grouped by purpose with a practical beginner example.
Read guideHow to Run graphics.h Programs — 5 Methods
Step-by-step guide covering online compiler, VS Code extension, Turbo C++, Dev-C++, and Code::Blocks with pros, cons, and comparison.
Read guidePractical graphics.h Guides
Use these guides when you are learning how the library behaves in real programs, not just how the theory is defined in class notes.
graphics.h Coordinate System Explained
Understand the top-left origin, x and y directions, screen limits, and how shape coordinates really work.
Read guideHow to Animate graphics.h Programs Using delay()
Learn the loop, redraw, timing, and coordinate update pattern behind simple classroom animations using graphics.h plus Turbo C's delay().
Read guidegraphics.h Color Constants Explained
See how the classic BGI palette works and when to use setcolor(), setbkcolor(), and setfillstyle().
Read guideTroubleshooting
Fix startup and environment problems quickly so you can get back to drawing, debugging, and finishing lab work.
Line Drawing Algorithms
Learn how straight lines are converted into screen pixels using incremental and integer-based methods.
DDA Line Drawing Algorithm
Understand the Digital Differential Analyzer algorithm, its formula, steps, example calculation, and complete graphics.h implementation.
Read tutorialBresenham Line Drawing Algorithm
Learn Bresenham's integer-based line algorithm, decision parameter logic, worked example, and complete graphics.h program.
Read tutorialCircle Drawing Algorithms
Study circle rasterization using decision parameters and symmetry to plot curved shapes efficiently.
Transformations
Move, rotate, and resize 2D objects by applying formulas to their coordinates.
Clipping Algorithms
Clip points and lines against a visible region so only the part inside the drawing window appears.
Clipping Algorithm in Computer Graphics
Understand clipping, clipping windows, point clipping, line clipping, polygon clipping, and a simple runnable graphics.h example.
Read tutorialCohen-Sutherland Line Clipping
Learn region codes, clipping window logic, accept/reject decisions, and a complete runnable graphics.h implementation.
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