Catcrafts/Crafter.Graphics
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semi opaque

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This commit is contained in:
Jorijn van der Graaf 2025-11-27 00:08:10 +01:00
commit 0329616148
6 changed files with 80 additions and 91 deletions
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23
interfaces/Crafter.Graphics-RenderingElement.cppm
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@ -23,22 +23,28 @@ import :Transform;
import :Types;
export namespace Crafter {
enum class OpaqueType {
FullyOpaque, // All pixels have A of 255
SemiOpaque, // All pixels have A of 0 or 255 (no blending needed)
Transparent // Color blending is used
};
class Window;
class RenderingElement : public Transform {
public:
std::vector<Pixel_BU8_GU8_RU8_AU8> bufferScaled;
bool opaque = false;
OpaqueType opaque = OpaqueType::Transparent;
RenderingElement(bool opague = false);
RenderingElement(bool opague, std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling);
RenderingElement(OpaqueType opaque = OpaqueType::Transparent);
RenderingElement(OpaqueType opaque, std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling);
RenderingElement(RenderingElement&) = delete;
RenderingElement& operator=(RenderingElement&) = delete;
};
class RenderingElementPreScaled : public RenderingElement {
public:
RenderingElementPreScaled(bool opague = false);
RenderingElementPreScaled(bool opague, std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling);
RenderingElementPreScaled(OpaqueType opaque = OpaqueType::Transparent);
RenderingElementPreScaled(OpaqueType opaque, std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling);
RenderingElementPreScaled(RenderingElementPreScaled&) = delete;
RenderingElementPreScaled& operator=(RenderingElementPreScaled&) = delete;
@ -52,11 +58,10 @@ export namespace Crafter {
std::vector<Pixel_BU8_GU8_RU8_AU8> buffer;
std::uint_fast32_t bufferWidth;
std::uint_fast32_t bufferHeight;
bool opaque = false;
RenderingElementScaling(bool opague = false);
RenderingElementScaling(bool opague, std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling);
RenderingElementScaling(bool opague, std::uint_fast32_t bufferWidth, std::uint_fast32_t bufferHeight, std::int_fast32_t anchorX = FractionalToMapped(0.5), std::int_fast32_t anchorY = FractionalToMapped(0.5), std::uint_fast32_t relativeWidth = FractionalToMapped(1), std::uint_fast32_t relativeHeight = FractionalToMapped(1), std::int_fast32_t anchorOffsetX = FractionalToMapped(0.5), std::int_fast32_t anchorOffsetY = FractionalToMapped(0.5), std::int_fast32_t z = 0, bool ignoreScaling = false);
RenderingElementScaling(OpaqueType opaque = OpaqueType::Transparent);
RenderingElementScaling(OpaqueType opaque, std::int_fast32_t anchorX, std::int_fast32_t anchorY, std::uint_fast32_t relativeWidth, std::uint_fast32_t relativeHeight, std::int_fast32_t anchorOffsetX, std::int_fast32_t anchorOffsetY, std::int_fast32_t z, bool ignoreScaling);
RenderingElementScaling(OpaqueType opaque, std::uint_fast32_t bufferWidth, std::uint_fast32_t bufferHeight, std::int_fast32_t anchorX = FractionalToMapped(0.5), std::int_fast32_t anchorY = FractionalToMapped(0.5), std::uint_fast32_t relativeWidth = FractionalToMapped(1), std::uint_fast32_t relativeHeight = FractionalToMapped(1), std::int_fast32_t anchorOffsetX = FractionalToMapped(0.5), std::int_fast32_t anchorOffsetY = FractionalToMapped(0.5), std::int_fast32_t z = 0, bool ignoreScaling = false);
RenderingElementScaling(RenderingElementScaling&) = delete;
RenderingElementScaling& operator=(RenderingElementScaling&) = delete;

50
interfaces/Crafter.Graphics-Types.cppm
View file

@ -150,54 +150,4 @@ namespace Crafter {
export constexpr std::int_fast32_t PixelToMappedBoundless(std::int_fast32_t pixel, std::int_fast32_t width) {
return pixel * (SCALEBOUNDLESS / width);
}
// export constexpr double bound = 10;
// export constexpr std::uint_fast32_t FractionalToMapped(double fractional) {
// constexpr double min_x = -bound;
// constexpr double max_x = bound + 1.0;
// constexpr double range_x = max_x - min_x;
// constexpr double MAXD = static_cast<double>(
// std::numeric_limits<std::uint_fast32_t>::max()
// );
// // Normalize to [0,1]
// double t = (fractional - min_x) / range_x;
// // Clamp (important for constexpr safety and edge behavior)
// if (t < 0.0) t = 0.0;
// if (t > 1.0) t = 1.0;
// return static_cast<std::uint_fast32_t>(t * MAXD);
// }
// export constexpr double MappedToFractional(std::uint_fast32_t mapped) {
// constexpr double min_x = -bound;
// constexpr double max_x = bound + 1.0;
// constexpr double range_x = max_x - min_x;
// constexpr double MAXD = static_cast<double>(
// std::numeric_limits<std::uint_fast32_t>::max()
// );
// double t = static_cast<double>(mapped) / MAXD;
// return min_x + t * range_x;
// }
// export constexpr std::int_fast32_t MappedToPixel(std::uint_fast32_t mapped, std::uint_fast32_t size) {
// constexpr double MAXD = static_cast<double>(
// std::numeric_limits<std::uint_fast32_t>::max()
// );
// // scale mapped ∈ [0, MAX] to pixel ∈ [0, size]
// double t = static_cast<double>(mapped) / MAXD;
// // Clamp (shouldn't be necessary, but protects constexpr eval)
// if (t < 0.0) t = 0.0;
// if (t > 1.0) t = 1.0;
// return static_cast<std::int_fast32_t>(t * static_cast<double>(size));
// }
}