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LibPDF: Implement IndexedColorSpace

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Nico Weber 2023-11-03 01:49:04 -04:00 • committed by Andrew Kaster
parent 0b087c02a3
commit 30ea218e35
2 changed files with 102 additions and 1 deletions
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19
Userland/Libraries/LibPDF/ColorSpace.h
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@ -200,6 +200,25 @@ private:
Array<float, 4> m_range { -100, 100, -100, 100 };
};
class IndexedColorSpace final : public ColorSpace {
public:
static PDFErrorOr<NonnullRefPtr<ColorSpace>> create(Document*, Vector<Value>&& parameters);
~IndexedColorSpace() override = default;
PDFErrorOr<Color> color(ReadonlySpan<Value> arguments) const override;
int number_of_components() const override { return 1; }
Vector<float> default_decode() const override;
ColorSpaceFamily const& family() const override { return ColorSpaceFamily::Indexed; }
private:
IndexedColorSpace(NonnullRefPtr<ColorSpace>);
NonnullRefPtr<ColorSpace> m_base;
int m_hival { 0 };
Vector<u8> m_lookup;
};
class SeparationColorSpace final : public ColorSpace {
public:
static PDFErrorOr<NonnullRefPtr<SeparationColorSpace>> create(Document*, Vector<Value>&& parameters);