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Rectangle uniform scaling

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New "ExpandRectangle" and "ShrinkRectangle" functions to save repetitive tasks.
This commit is contained in:
Matorio 2025-12-07 00:04:38 -05:00
parent 48d690d8ad
commit 8cad35a757
2 changed files with 20 additions and 0 deletions
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2
src/raylib.h
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@ -1455,6 +1455,8 @@ RLAPI void DrawTextureNPatch(Texture2D texture, NPatchInfo nPatchInfo, Rectangle
// Color/pixel related functions // Color/pixel related functions
RLAPI bool ColorIsEqual(Color col1, Color col2); // Check if two colors are equal RLAPI bool ColorIsEqual(Color col1, Color col2); // Check if two colors are equal
RLAPI Color Fade(Color color, float alpha); // Get color with alpha applied, alpha goes from 0.0f to 1.0f RLAPI Color Fade(Color color, float alpha); // Get color with alpha applied, alpha goes from 0.0f to 1.0f
RLAPI Rectangle ExpandRectangle(Rectangle rec, float expand); // Expand a rectangle uniformly
RLAPI Rectangle ShrinkRectangle(Rectangle rec, float shrink); // Shrink a rectangle uniformly
RLAPI int ColorToInt(Color color); // Get hexadecimal value for a Color (0xRRGGBBAA) RLAPI int ColorToInt(Color color); // Get hexadecimal value for a Color (0xRRGGBBAA)
RLAPI Vector4 ColorNormalize(Color color); // Get Color normalized as float [0..1] RLAPI Vector4 ColorNormalize(Color color); // Get Color normalized as float [0..1]
RLAPI Color ColorFromNormalized(Vector4 normalized); // Get Color from normalized values [0..1] RLAPI Color ColorFromNormalized(Vector4 normalized); // Get Color from normalized values [0..1]

18
src/rtextures.c
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@ -4859,6 +4859,24 @@ Color Fade(Color color, float alpha)
return result; return result;
} }
// Expand a rectangle uniformly
Rectangle ExpandRectangle(Rectangle rec, float expand)
{
rec.x -= expand / 2.0f;
rec.y -= expand / 2.0f;
rec.width += expand;
rec.height += expand;
}
// Shrink a rectangle uniformly
Rectangle ShrinkRectangle(Rectangle rec, float shrink)
{
rec.x += shrink / 2.0f;
rec.y += shrink / 2.0f;
rec.width -= shrink;
rec.height -= shrink;
}
// Get hexadecimal value for a Color // Get hexadecimal value for a Color
int ColorToInt(Color color) int ColorToInt(Color color)
{ {