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package module

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Versions in this module

v0

v0.0.9

Aug 17, 2022

Changes in this version

+ func Load(zoom, x, y int) (image.Image, bool)

+ func Save(zoom, x, y int, img image.Image)

v0.0.8

Aug 17, 2022

v0.0.7

Aug 17, 2022

v0.0.6

Aug 17, 2022

v0.0.5

Aug 17, 2022

v0.0.4

Aug 17, 2022

v0.0.3

Aug 17, 2022

v0.0.2

Aug 17, 2022

v0.0.1

Aug 17, 2022

Changes in this version

+ func CanDisplay(pos s2.LatLng) bool

+ func CreateBBox(nwlat float64, nwlng float64, selat float64, selng float64) (*s2.Rect, error)

+ func GetTileProviders() map[string]*TileProvider

+ func Luminance(col color.Color) float64

+ func ParseColorString(s string) (color.Color, error)

+ func ParseLabelOffset(s string) (float64, error)

+ type Area struct

+ Color color.Color

+ Fill color.Color

+ Positions []s2.LatLng

+ Weight float64

+ func NewArea(positions []s2.LatLng, col color.Color, fill color.Color, weight float64) *Area

+ func ParseAreaString(s string) (*Area, error)

+ func (p *Area) Bounds() s2.Rect

+ func (p *Area) Draw(gc *gg.Context, trans *Transformer)

+ func (p *Area) ExtraMarginPixels() (float64, float64, float64, float64)

+ type Cache interface

+ Load func(zoom, x, y int) image.Image

+ Save func(zoom, x, y int, img image.Image)

+ type Circle struct

+ Color color.Color

+ Fill color.Color

+ Position s2.LatLng

+ Radius float64

+ Weight float64

+ func NewCircle(pos s2.LatLng, col, fill color.Color, radius, weight float64) *Circle

+ func ParseCircleString(s string) (circles []*Circle, err error)

+ func (m *Circle) Bounds() s2.Rect

+ func (m *Circle) Draw(gc *gg.Context, trans *Transformer)

+ func (m *Circle) ExtraMarginPixels() (float64, float64, float64, float64)

+ type Context struct

+ func NewContext() *Context

+ func (m *Context) AddArea(area *Area)

+ func (m *Context) AddCircle(circle *Circle)

+ func (m *Context) AddMarker(marker *Marker)

+ func (m *Context) AddObject(object MapObject)

+ func (m *Context) AddOverlay(overlay *TileProvider)

+ func (m *Context) AddPath(path *Path)

+ func (m *Context) Attribution() string

+ func (m *Context) ClearAreas()

+ func (m *Context) ClearCircles()

+ func (m *Context) ClearMarkers()

+ func (m *Context) ClearObjects()

+ func (m *Context) ClearOverlays()

+ func (m *Context) ClearPaths()

+ func (m *Context) OverrideAttribution(attribution string)

+ func (m *Context) Render() (image.Image, error)

+ func (m *Context) RenderWithBounds() (image.Image, s2.Rect, error)

+ func (m *Context) RenderWithTransformer() (image.Image, *Transformer, error)

+ func (m *Context) SetBackground(col color.Color)

+ func (m *Context) SetBoundingBox(bbox s2.Rect)

+ func (m *Context) SetCache(cache *FastCache)

+ func (m *Context) SetCenter(center s2.LatLng)

+ func (m *Context) SetOnline(online bool)

+ func (m *Context) SetSize(width, height int)

+ func (m *Context) SetTileProvider(t *TileProvider)

+ func (m *Context) SetUserAgent(a string)

+ func (m *Context) SetZoom(zoom int)

+ func (m *Context) Transformer() (*Transformer, error)

+ type FastCache struct

+ func NewFastCache() *FastCache

+ func (c *FastCache) Load(zoom, x, y int) image.Image

+ func (c *FastCache) Save(zoom, x, y int, img image.Image)

+ type ImageMarker struct

+ Img image.Image

+ OffsetX float64

+ OffsetY float64

+ Position s2.LatLng

+ func NewImageMarker(pos s2.LatLng, img image.Image, offsetX, offsetY float64) *ImageMarker

+ func ParseImageMarkerString(s string) ([]*ImageMarker, error)

+ func (m *ImageMarker) Bounds() s2.Rect

+ func (m *ImageMarker) Draw(gc *gg.Context, trans *Transformer)

+ func (m *ImageMarker) ExtraMarginPixels() (float64, float64, float64, float64)

+ func (m *ImageMarker) SetImage(img image.Image)

+ func (m *ImageMarker) SetOffsetX(offset float64)

+ func (m *ImageMarker) SetOffsetY(offset float64)

+ type MapObject interface

+ Bounds func() s2.Rect

+ Draw func(dc *gg.Context, trans *Transformer)

+ ExtraMarginPixels func() (float64, float64, float64, float64)

+ type Marker struct

+ Color color.Color

+ Label string

+ LabelColor color.Color

+ LabelXOffset float64

+ LabelYOffset float64

+ Position s2.LatLng

+ Size float64

+ func NewMarker(pos s2.LatLng, col color.Color, size float64) *Marker

+ func ParseMarkerString(s string) ([]*Marker, error)

+ func (m *Marker) Bounds() s2.Rect

+ func (m *Marker) Draw(gc *gg.Context, trans *Transformer)

+ func (m *Marker) ExtraMarginPixels() (float64, float64, float64, float64)

+ func (m *Marker) SetLabelColor(col color.Color)

+ type Path struct

+ Color color.Color

+ Positions []s2.LatLng

+ Weight float64

+ func NewPath(positions []s2.LatLng, col color.Color, weight float64) *Path

+ func ParsePathString(s string) ([]*Path, error)

+ func (p *Path) Bounds() s2.Rect

+ func (p *Path) Draw(gc *gg.Context, trans *Transformer)

+ func (p *Path) ExtraMarginPixels() (float64, float64, float64, float64)

+ type Tile struct

+ Img image.Image

+ X int

+ Y int

+ Zoom int

+ type TileFetcher struct

+ func NewTileFetcher(tileProvider *TileProvider, online bool) *TileFetcher

+ func (t *TileFetcher) Fetch(tile *Tile) error

+ func (t *TileFetcher) SetUserAgent(a string)

+ type TileProvider struct

+ Attribution string

+ IgnoreNotFound bool

+ Name string

+ Shards []string

+ TileSize int

+ URLPattern string

+ func NewTileProviderArcgisWorldImagery() *TileProvider

+ func NewTileProviderCartoDark() *TileProvider

+ func NewTileProviderCartoLight() *TileProvider

+ func NewTileProviderOpenCycleMap() *TileProvider

+ func NewTileProviderOpenStreetMaps() *TileProvider

+ func NewTileProviderOpenTopoMap() *TileProvider

+ func NewTileProviderStamenTerrain() *TileProvider

+ func NewTileProviderStamenToner() *TileProvider

+ func NewTileProviderThunderforestLandscape() *TileProvider

+ func NewTileProviderThunderforestOutdoors() *TileProvider

+ func NewTileProviderThunderforestTransport() *TileProvider

+ func NewTileProviderWikimedia() *TileProvider

+ type Transformer struct

+ func (t *Transformer) LatLngToXY(ll s2.LatLng) (float64, float64)

+ func (t *Transformer) Rect() (bbox s2.Rect)

+ func (t *Transformer) XYToLatLng(x float64, y float64) s2.LatLng