#include "zoom_type.h"

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. More...

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. More...

static int	AdjustByZoom (int value, int zoom)
	Adjust by zoom level; zoom < 0 shifts right, zoom >= 0 shifts left. More...

static int	ScaleByZoomLower (int value, ZoomLevel zoom)
	Scale by zoom level, usually shift left (when zoom > ZOOM_LVL_NORMAL) More...

static int	UnScaleByZoomLower (int value, ZoomLevel zoom)
	Scale by zoom level, usually shift right (when zoom > ZOOM_LVL_NORMAL) More...

static int	UnScaleGUI (int value)
	Short-hand to apply GUI zoom level. More...

static ZoomLevel	ScaleZoomGUI (ZoomLevel value)
	Scale zoom level relative to GUI zoom. More...

static ZoomLevel	UnScaleZoomGUI (ZoomLevel value)
	UnScale zoom level relative to GUI zoom. More...

static int	ScaleSpriteTrad (int value)
	Scale traditional pixel dimensions to GUI zoom level, for drawing sprites. More...

static int	ScaleGUITrad (int value)
	Scale traditional pixel dimensions to GUI zoom level. More...

Detailed Description

Functions related to zooming.

Definition in file zoom_func.h.

Function Documentation

◆ AdjustByZoom()

static int AdjustByZoom	(	int	value,
		int	zoom
	)

inlinestatic

Adjust by zoom level; zoom < 0 shifts right, zoom >= 0 shifts left.

Parameters

value	value to shift
zoom	zoom level to shift to

Returns: shifted value

Definition at line 45 of file zoom_func.h.

References ScaleByZoom(), and UnScaleByZoom().

◆ ScaleByZoom()

static int ScaleByZoom	(	int	value,
		ZoomLevel	zoom
	)

inlinestatic

Scale by zoom level, usually shift left (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 22 of file zoom_func.h.

Referenced by AdjustByZoom(), Blitter_8bppSimple::Draw(), Blitter_32bppSimple::Draw(), ViewportSign::MarkDirty(), ExtraViewportWindow::OnScroll(), MainWindow::OnScroll(), NWidgetViewport::UpdateViewportCoordinates(), and ViewportAddString().

◆ ScaleByZoomLower()

static int ScaleByZoomLower	(	int	value,
		ZoomLevel	zoom
	)

inlinestatic

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 56 of file zoom_func.h.

◆ ScaleGUITrad()

static int ScaleGUITrad ( int value )

inlinestatic

Scale traditional pixel dimensions to GUI zoom level.

Parameters

value Pixel amount at #ZOOM_LVL_BASE (traditional "normal" interface size).

Returns: Pixel amount at #ZOOM_LVL_GUI (current interface size).

Definition at line 117 of file zoom_func.h.

References _gui_scale.

◆ ScaleSpriteTrad()

static int ScaleSpriteTrad ( int value )

inlinestatic

Scale traditional pixel dimensions to GUI zoom level, for drawing sprites.

Parameters

value Pixel amount at #ZOOM_LVL_BASE (traditional "normal" interface size).

Returns: Pixel amount at #ZOOM_LVL_GUI (current interface size).

Definition at line 107 of file zoom_func.h.

References UnScaleGUI().

Referenced by SpriteFontCache::ClearFontCache(), DepotWindow::DrawVehicleInDepot(), DepotWindow::DrawWidget(), GetTrainDetailsWndVScroll(), EndGameWindow::OnPaint(), HighScoreWindow::OnPaint(), SpriteFontCache::SpriteFontCache(), and DepotWindow::UpdateWidgetSize().

◆ ScaleZoomGUI()

static ZoomLevel ScaleZoomGUI ( ZoomLevel value )

inlinestatic

Scale zoom level relative to GUI zoom.

Parameters

value zoom level to scale

Returns: scaled zoom level

Definition at line 87 of file zoom_func.h.

Referenced by WaypointWindow::WaypointWindow().

◆ UnScaleByZoom()

static int UnScaleByZoom	(	int	value,
		ZoomLevel	zoom
	)

inlinestatic

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 34 of file zoom_func.h.

Referenced by AdjustByZoom(), MarkViewportDirty(), and UnScaleGUI().

◆ UnScaleByZoomLower()

static int UnScaleByZoomLower	(	int	value,
		ZoomLevel	zoom
	)

inlinestatic

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 67 of file zoom_func.h.

Referenced by MarkViewportDirty().

◆ UnScaleGUI()

static int UnScaleGUI ( int value )

inlinestatic

Short-hand to apply GUI zoom level.

Parameters

value Pixel amount at ZOOM_LVL_BEGIN (full zoom in).

Returns: Pixel amount at #ZOOM_LVL_GUI (current interface size).

Definition at line 77 of file zoom_func.h.

References UnScaleByZoom().

Referenced by DrawAircraftImage(), DrawShipImage(), GetSingleVehicleWidth(), and ScaleSpriteTrad().

◆ UnScaleZoomGUI()

static ZoomLevel UnScaleZoomGUI ( ZoomLevel value )

inlinestatic

UnScale zoom level relative to GUI zoom.

Parameters

value zoom level to scale

Returns: un-scaled zoom level

Definition at line 97 of file zoom_func.h.