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#ifndef LLMR_TEXT_TYPES
#define LLMR_TEXT_TYPES
#include <llmr/util/vec.hpp>
#include <llmr/util/rect.hpp>
#include <array>
#include <vector>
namespace llmr {
typedef vec2<float> CollisionPoint;
typedef vec2<float> CollisionAnchor;
typedef std::array<float, 2> PlacementRange;
typedef float CollisionAngle;
typedef std::vector<CollisionAngle> CollisionAngles;
typedef std::array<CollisionAngle, 2> CollisionRange;
typedef std::vector<CollisionRange> CollisionList;
typedef std::array<CollisionPoint, 4> CollisionCorners;
struct CollisionRect {
CollisionPoint tl;
CollisionPoint br;
inline explicit CollisionRect() {}
inline explicit CollisionRect(CollisionPoint::Type ax,
CollisionPoint::Type ay,
CollisionPoint::Type bx,
CollisionPoint::Type by)
: tl(ax, ay), br(bx, by) {}
inline explicit CollisionRect(const CollisionPoint &tl,
const CollisionPoint &br)
: tl(tl), br(br) {}
};
// These are the glyph boxes that we want to have placed.
struct GlyphBox {
explicit GlyphBox() {}
explicit GlyphBox(const CollisionRect &bbox, const CollisionRect &box,
float minScale)
: bbox(bbox), box(box), minScale(minScale) {}
explicit GlyphBox(const CollisionRect &box, float minScale, float maxScale,
const CollisionAnchor &anchor, bool rotate)
: anchor(anchor),
box(box),
rotate(rotate),
minScale(minScale),
maxScale(maxScale) {}
CollisionAnchor anchor;
CollisionRect bbox;
CollisionRect box;
bool rotate = false;
float minScale = 0.0f;
float maxScale = std::numeric_limits<float>::infinity();
};
typedef std::vector<GlyphBox> GlyphBoxes;
// TODO: Transform the vec2<float>s to vec2<int16_t> to save bytes
struct PlacedGlyph {
explicit PlacedGlyph(const vec2<float> &tl, const vec2<float> &tr,
const vec2<float> &bl, const vec2<float> &br,
const Rect<uint16_t> &tex, float angle, const GlyphBox &glyphBox)
: tl(tl),
tr(tr),
bl(bl),
br(br),
tex(tex),
angle(angle),
glyphBox(glyphBox) {}
vec2<float> tl, tr, bl, br;
Rect<uint16_t> tex;
float angle;
GlyphBox glyphBox;
};
typedef std::vector<PlacedGlyph> PlacedGlyphs;
// These are the placed boxes contained in the rtree.
struct PlacementBox {
CollisionAnchor anchor;
CollisionRect bbox;
CollisionRect box;
bool rotate = false;
PlacementRange placementRange = {{0.0f, 0.0f}};
float placementScale = 0.0f;
float maxScale = std::numeric_limits<float>::infinity();
float padding = 0.0f;
};
struct PlacementProperty {
explicit PlacementProperty() {}
explicit PlacementProperty(float zoom, const PlacementRange &rotationRange)
: zoom(zoom), rotationRange(rotationRange) {}
inline operator bool() const {
return !isnan(zoom) && zoom != std::numeric_limits<float>::infinity() &&
rotationRange[0] != rotationRange[1];
}
float zoom = std::numeric_limits<float>::infinity();
PlacementRange rotationRange = {{0.0f, 0.0f}};
};
}
#endif
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