nHeightDest
nHeightDest is a variable name used in software development to denote the destination height in graphical or rendering contexts. The prefix n suggests an integer type (n is often used in Hungarian notation to indicate a numeric value). As such, nHeightDest typically represents a height measured in units such as pixels for the target area where content will be drawn after scaling or transformation.
- nHeightDest frequently appears alongside related variables such as nWidthDest, nHeightSrc, and nWidthSrc, as well as coordinates
- It is commonly used in image processing, bitmap drawing, user interface rendering, and graphics pipelines to
Relation to scaling and rendering
- In scaling operations, nHeightDest is used to compute scale factors (for example, scaleY = nHeightDest / nHeightSrc) and
- It helps determine clipping, aspect ratio, and alignment when drawing content into a target buffer or
- Negative values typically indicate error or special handling; zero height often requires validation to avoid division
- The exact interpretation of nHeightDest can vary by codebase and language; it may be a plain integer,
- When working across different coordinate systems or units, ensure consistent units and coordinate origin.
- nWidthDest, nHeightSrc, destination rectangle, scaling, Hungarian notation.