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31 lines
699 B
31 lines
699 B
3 years ago
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#pragma once
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#include "engine/render/blit_impl.hpp"
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namespace devilution {
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[[nodiscard]] constexpr bool IsClxOpaque(uint8_t control)
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{
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constexpr uint8_t ClxOpaqueMin = 0x80;
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return control >= ClxOpaqueMin;
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}
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[[nodiscard]] constexpr uint8_t GetClxOpaquePixelsWidth(uint8_t control)
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{
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return -static_cast<std::int8_t>(control);
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}
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[[nodiscard]] constexpr bool IsClxOpaqueFill(uint8_t control)
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{
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constexpr uint8_t ClxFillMax = 0xBE;
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return control <= ClxFillMax;
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}
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[[nodiscard]] constexpr uint8_t GetClxOpaqueFillWidth(uint8_t control)
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{
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constexpr uint8_t ClxFillEnd = 0xBF;
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return static_cast<int_fast16_t>(ClxFillEnd - control);
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}
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} // namespace devilution
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