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function_text_printer.ggcode
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326 lines (289 loc) · 11.6 KB
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// Function-Based Text Printer
// Usage: print_text(x, y, text, size, spacing)
//
// This demonstrates GGcode's function support with:
// - Function definitions with multiple parameters
// - String parameters and string iteration
// - Mixed parameter types (numbers and strings)
// - Character-by-character string processing
note {=== Function-Based Text Printer ===}
note {Usage: print_text(x, y, text, size, spacing)}
note {Supports: A-Z, 0-5, and space characters}
let safe_z = 2
// Main text printing function
function print_text(x, y, text, size, spacing) {
note {Printing '[text]' at X[x] Y[y], size [size], spacing [spacing]}
let current_x = x
let char_width = size
let char_height = size * 1.5
for char in text {
note {Drawing '[char]' at X[current_x]}
if char == "A" {
// Draw A: triangle with crossbar
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
G0 X[current_x - char_width/4] Y[y]
G0 Z[0]
G1 X[current_x + char_width/4] Y[y]
G0 Z[safe_z]
}
if char == "B" {
// Draw B: left vertical + two bumps
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y]
G1 X[current_x - char_width/2] Y[y]
G1 X[current_x + char_width/2] Y[y]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G1 X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "C" {
// Draw C: open rectangle
G0 Z[safe_z] X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x - char_width/2] Y[y - char_height/2]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "D" {
// Draw D: rounded rectangle
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G1 X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "E" {
// Draw E: left vertical + three horizontals
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[safe_z]
G0 X[current_x - char_width/2] Y[y]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y]
G0 Z[safe_z]
G0 X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "F" {
// Draw F: left vertical + two horizontals
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[safe_z]
G0 X[current_x - char_width/2] Y[y]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y]
G0 Z[safe_z]
}
if char == "G" {
// Draw G: C shape with middle bar
G0 Z[safe_z] X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x - char_width/2] Y[y - char_height/2]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G1 X[current_x + char_width/2] Y[y]
G1 X[current_x] Y[y]
G0 Z[safe_z]
}
if char == "H" {
// Draw H: two verticals + horizontal middle
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G0 Z[safe_z]
G0 X[current_x + char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[safe_z]
G0 X[current_x - char_width/2] Y[y]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y]
G0 Z[safe_z]
}
if char == "I" {
// Draw I: vertical line with top and bottom bars
G0 Z[safe_z] X[current_x - char_width/2] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[safe_z]
G0 X[current_x] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x] Y[y - char_height/2]
G0 Z[safe_z]
G0 X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "L" {
// Draw L: left vertical + bottom horizontal
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G0 Z[safe_z]
G0 X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "O" {
// Draw O: complete rectangle
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G1 X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "P" {
// Draw P: left vertical + top bump
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y]
G1 X[current_x - char_width/2] Y[y]
G0 Z[safe_z]
}
if char == "R" {
// Draw R: P shape + diagonal
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y]
G1 X[current_x - char_width/2] Y[y]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "T" {
// Draw T: top horizontal + center vertical
G0 Z[safe_z] X[current_x - char_width/2] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[safe_z]
G0 X[current_x] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "U" {
// Draw U: horseshoe shape
G0 Z[safe_z] X[current_x - char_width/2] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y - char_height/2]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[safe_z]
}
// Numbers
if char == "0" {
// Same as O
G0 Z[safe_z] X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G1 X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "1" {
// Right vertical line
G0 Z[safe_z] X[current_x + char_width/2] Y[y - char_height/2]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[safe_z]
}
if char == "2" {
// Seven-segment 2
G0 Z[safe_z] X[current_x - char_width/2] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y]
G1 X[current_x - char_width/2] Y[y]
G1 X[current_x - char_width/2] Y[y - char_height/2]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "3" {
// Seven-segment 3
G0 Z[safe_z] X[current_x - char_width/2] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y + char_height/2]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G1 X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
G0 X[current_x - char_width/2] Y[y]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y]
G0 Z[safe_z]
}
if char == "4" {
// Seven-segment 4
G0 Z[safe_z] X[current_x - char_width/2] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y]
G1 X[current_x + char_width/2] Y[y]
G0 Z[safe_z]
G0 X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == "5" {
// Seven-segment 5
G0 Z[safe_z] X[current_x + char_width/2] Y[y + char_height/2]
G0 Z[0]
G1 X[current_x - char_width/2] Y[y + char_height/2]
G1 X[current_x - char_width/2] Y[y]
G1 X[current_x + char_width/2] Y[y]
G1 X[current_x + char_width/2] Y[y - char_height/2]
G1 X[current_x - char_width/2] Y[y - char_height/2]
G0 Z[safe_z]
}
if char == " " {
// Space - no drawing
note {Space character}
}
// Move to next character position
current_x = current_x + char_width + spacing
}
return 1
}
// Example usage
note {=== Function Usage Examples ===}
// Print "HELLO" at origin with size 8 and spacing 2
print_text(0, 0, "HELLO", 8, 2)
// Print "WORLD" below with different size
print_text(0, -25, "WORLD", 6, 1.5)
// Print numbers
print_text(0, -45, "12345", 5, 1)
// Print at different position
print_text(60, 20, "GGCODE", 10, 3)
// Print mixed content
print_text(0, -65, "ABC 123", 7, 2)
// Return to safe position
G0 Z[safe_z] X[0] Y[0]
note {=== Function-Based Text Printer Complete ===}
note {Function signature: print_text(x, y, text, size, spacing)}
note {- x, y: starting position}
note {- text: string to print}
note {- size: character size}
note {- spacing: space between characters}