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#pragma once
#include <mbgl/util/enum.hpp>
#include <string>
#include <array>
#include <vector>
#include <utility>
namespace mbgl {
// Stores a premultiplied color, with all four channels ranging from 0..1
using Color = std::array<float, 4>;
// An array of font names
using FontStack = std::vector<std::string>;
std::string fontStackToString(const FontStack&);
struct FontStackHash {
std::size_t operator()(const FontStack&) const;
};
template <typename T>
class Function {
public:
using Stop = std::pair<float, T>;
using Stops = std::vector<Stop>;
Function(const T& constant)
: stops({{ 0, constant }}) {}
explicit Function(const Stops& stops_, float base_)
: base(base_), stops(stops_) {}
float getBase() const { return base; }
const std::vector<std::pair<float, T>>& getStops() const { return stops; }
private:
float base = 1;
std::vector<std::pair<float, T>> stops;
};
// -------------------------------------------------------------------------------------------------
enum class SourceType : uint8_t {
Vector,
Raster,
GeoJSON,
Video,
Annotations
};
MBGL_DEFINE_ENUM_CLASS(SourceTypeClass, SourceType, {
{ SourceType::Vector, "vector" },
{ SourceType::Raster, "raster" },
{ SourceType::GeoJSON, "geojson" },
{ SourceType::Video, "video" },
{ SourceType::Annotations, "annotations" },
});
// -------------------------------------------------------------------------------------------------
enum class VisibilityType : bool {
Visible,
None,
};
enum class LineCapType : uint8_t {
Round,
Butt,
Square,
};
enum class LineJoinType : uint8_t {
Miter,
Bevel,
Round,
// the following two types are for internal use only
FakeRound,
FlipBevel
};
enum class TranslateAnchorType : bool {
Map,
Viewport
};
enum class RotateAnchorType : bool {
Map,
Viewport,
};
enum class SymbolPlacementType : bool {
Point,
Line,
};
enum class RotationAlignmentType : bool {
Map,
Viewport,
};
enum class TextJustifyType : uint8_t {
Center,
Left,
Right
};
enum class TextAnchorType : uint8_t {
Center,
Left,
Right,
Top,
Bottom,
TopLeft,
TopRight,
BottomLeft,
BottomRight
};
enum class TextTransformType : uint8_t {
None,
Uppercase,
Lowercase,
};
/**
* Initialize any GL state needed by the custom layer. This method is called once, from the
* rendering thread, at a point when the GL context is active but before rendering for the
* first time.
*
* Resources that are acquired in this method must be released in the UninitializeFunction.
*/
using CustomLayerInitializeFunction = void (*)(void* context);
/**
* Parameters that define the current camera position for a CustomLayerRenderFunction.
*/
struct CustomLayerRenderParameters {
double width;
double height;
double latitude;
double longitude;
double zoom;
double bearing;
double pitch;
double altitude;
};
/**
* Render the layer. This method is called once per frame. The implementation should not make
* any assumptions about the GL state (other than that the correct context is active). It may
* make changes to the state, and is not required to reset values such as the depth mask, stencil
* mask, and corresponding test flags to their original values.
*/
using CustomLayerRenderFunction = void (*)(void* context, const CustomLayerRenderParameters&);
/**
* Destroy any GL state needed by the custom layer, and deallocate context, if necessary. This
* method is called once, from the rendering thread, at a point when the GL context is active.
*
* Note that it may be called even when the InitializeFunction has not been called.
*/
using CustomLayerDeinitializeFunction = void (*)(void* context);
} // namespace mbgl
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