58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
#include "Blend2D_Convert.h"
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#include "blend2d/blend2d.h"
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#include <algorithm>
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namespace renderive {
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namespace {
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double normalized(std::uint8_t value) {
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return static_cast<double>(value) / 255.0;
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}
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std::uint8_t byte_from_normalized(double value) {
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auto clamped = std::clamp(value, 0.0, 1.0);
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return static_cast<std::uint8_t>(clamped * 255.0 + 0.5);
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}
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} // namespace
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BLRgba Convert::to_bl(const Color& color) {
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return BLRgba(normalized(color.red), normalized(color.green), normalized(color.blue), normalized(color.alpha));
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}
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BLRgba Convert::to_bl_premultiplied(const Color& color) {
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auto alpha = normalized(color.alpha);
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return BLRgba(normalized(color.red) * alpha, normalized(color.green) * alpha, normalized(color.blue) * alpha, alpha);
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}
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BLPoint Convert::to_bl(const PointF& point) {
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return BLPoint(point.x, point.y);
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}
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BLRect Convert::to_bl(const RectF& rect) {
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return BLRect(rect.x, rect.y, rect.width, rect.height);
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}
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Color Convert::from_bl(const BLRgba& rgba) {
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return {
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byte_from_normalized(rgba.r),
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byte_from_normalized(rgba.g),
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byte_from_normalized(rgba.b),
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byte_from_normalized(rgba.a)
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};
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}
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std::uint32_t Convert::blend2d_line_cap(Line_Cap cap) {
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switch (cap) {
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case Line_Cap::Butt: return BL_STROKE_CAP_BUTT;
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case Line_Cap::Square: return BL_STROKE_CAP_SQUARE;
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case Line_Cap::Round: return BL_STROKE_CAP_ROUND;
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}
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return BL_STROKE_CAP_BUTT;
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}
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std::uint32_t Convert::blend2d_line_join(Line_Join join) {
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switch (join) {
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case Line_Join::Miter: return BL_STROKE_JOIN_MITER_BEVEL;
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case Line_Join::Bevel: return BL_STROKE_JOIN_BEVEL;
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case Line_Join::Round: return BL_STROKE_JOIN_ROUND;
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}
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return BL_STROKE_JOIN_MITER_BEVEL;
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}
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} // namespace renderive
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