zoom_func.h File Reference

Functions related to zooming. More...

#include "zoom_type.h"

Go to the source code of this file.

Functions

static int ScaleByZoom (int value, ZoomLevel zoom)
 Scale by zoom level, usually shift left (when zoom > ZOOM_LVL_NORMAL) When shifting right, value is rounded up.
static int UnScaleByZoom (int value, ZoomLevel zoom)
 Scale by zoom level, usually shift right (when zoom > ZOOM_LVL_NORMAL) When shifting right, value is rounded up.
static int ScaleByZoomLower (int value, ZoomLevel zoom)
 Scale by zoom level, usually shift left (when zoom > ZOOM_LVL_NORMAL).
static int UnScaleByZoomLower (int value, ZoomLevel zoom)
 Scale by zoom level, usually shift right (when zoom > ZOOM_LVL_NORMAL).

Detailed Description

Functions related to zooming.

Definition in file zoom_func.h.


Function Documentation

static int ScaleByZoom ( int  value,
ZoomLevel  zoom 
) [inline, static]
static int ScaleByZoomLower ( int  value,
ZoomLevel  zoom 
) [inline, static]

Scale by zoom level, usually shift left (when zoom > ZOOM_LVL_NORMAL).

Parameters:
value value to shift
zoom zoom level to shift to
Returns:
shifted value

Definition at line 51 of file zoom_func.h.

static int UnScaleByZoom ( int  value,
ZoomLevel  zoom 
) [inline, static]

Scale by zoom level, usually shift right (when zoom > ZOOM_LVL_NORMAL) When shifting right, value is rounded up.

Parameters:
value value to shift
zoom zoom level to shift to
Returns:
shifted value

Definition at line 38 of file zoom_func.h.

Referenced by Blitter_8bppOptimized::Encode(), MarkViewportDirty(), ErrmsgWindow::OnInitialPosition(), and ResizeSprite().

static int UnScaleByZoomLower ( int  value,
ZoomLevel  zoom 
) [inline, static]

Scale by zoom level, usually shift right (when zoom > ZOOM_LVL_NORMAL).

Parameters:
value value to shift
zoom zoom level to shift to
Returns:
shifted value

Definition at line 64 of file zoom_func.h.

Referenced by MarkViewportDirty().


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