62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
#ifndef MBGL_TEXT_GLYPH
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#define MBGL_TEXT_GLYPH
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#include <mbgl/util/rect.hpp>
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#include <cstdint>
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#include <vector>
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#include <map>
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namespace mbgl {
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typedef std::pair<uint16_t, uint16_t> GlyphRange;
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// Note: this only works for the BMP
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GlyphRange getGlyphRange(char32_t glyph);
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struct GlyphMetrics {
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operator bool() const {
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return width == 0 && height == 0 && advance == 0;
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}
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// Glyph metrics.
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uint32_t width = 0;
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uint32_t height = 0;
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int32_t left = 0;
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int32_t top = 0;
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uint32_t advance = 0;
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};
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struct Glyph {
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inline explicit Glyph() : rect(0, 0, 0, 0), metrics() {}
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inline explicit Glyph(const Rect<uint16_t> &rect,
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const GlyphMetrics &metrics)
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: rect(rect), metrics(metrics) {}
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operator bool() const {
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return !metrics && !rect;
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}
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const Rect<uint16_t> rect;
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const GlyphMetrics metrics;
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};
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typedef std::map<uint32_t, Glyph> GlyphPositions;
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class GlyphPlacement {
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public:
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inline explicit GlyphPlacement(uint32_t face, uint32_t glyph, uint32_t x, uint32_t y)
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: face(face), glyph(glyph), x(x), y(y) {}
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uint32_t face = 0;
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uint32_t glyph = 0;
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int32_t x = 0;
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int32_t y = 0;
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};
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typedef std::vector<GlyphPlacement> Shaping;
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}
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#endif
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