(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_HINT_RENDER_LINE_METHOD

A variable controlling how the 2D render API renders lines

Header File

Defined in SDL_hints.h

Syntax

#define SDL_HINT_RENDER_LINE_METHOD "SDL_RENDER_LINE_METHOD"

Remarks

This variable can be set to the following values:

• "0": Use the default line drawing method (Bresenham's line algorithm as of SDL 2.0.20)
• "1": Use the driver point API using Bresenham's line algorithm (correct, draws many points)
• "2": Use the driver line API (occasionally misses line endpoints based on hardware driver quirks, was the default before 2.0.20)
• "3": Use the driver geometry API (correct, draws thicker diagonal lines)

This variable should be set when the renderer is created.

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CategoryAPI, CategoryAPIMacro, CategoryDefine, CategoryHints

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