mirror of https://github.com/hyprwm/Hyprland
145 lines
3.7 KiB
C++
145 lines
3.7 KiB
C++
#include "Region.hpp"
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extern "C" {
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#include <wlr/util/box.h>
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#include <wlr/util/region.h>
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}
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CRegion::CRegion() {
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pixman_region32_init(&m_rRegion);
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}
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CRegion::CRegion(pixman_region32_t* ref) {
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pixman_region32_init(&m_rRegion);
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pixman_region32_copy(&m_rRegion, ref);
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}
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CRegion::CRegion(double x, double y, double w, double h) {
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pixman_region32_init_rect(&m_rRegion, x, y, w, h);
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}
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CRegion::CRegion(wlr_box* box) {
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pixman_region32_init_rect(&m_rRegion, box->x, box->y, box->width, box->height);
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}
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CRegion::CRegion(pixman_box32_t* box) {
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pixman_region32_init_rect(&m_rRegion, box->x1, box->y1, box->x2 - box->x1, box->y2 - box->y1);
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}
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CRegion::CRegion(const CRegion& other) {
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pixman_region32_init(&m_rRegion);
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pixman_region32_copy(&m_rRegion, const_cast<CRegion*>(&other)->pixman());
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}
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CRegion::CRegion(CRegion&& other) {
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pixman_region32_init(&m_rRegion);
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pixman_region32_copy(&m_rRegion, other.pixman());
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}
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CRegion::~CRegion() {
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pixman_region32_fini(&m_rRegion);
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}
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CRegion& CRegion::clear() {
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pixman_region32_clear(&m_rRegion);
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return *this;
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}
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CRegion& CRegion::set(const CRegion& other) {
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pixman_region32_copy(&m_rRegion, const_cast<CRegion*>(&other)->pixman());
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return *this;
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}
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CRegion& CRegion::add(const CRegion& other) {
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pixman_region32_union(&m_rRegion, &m_rRegion, const_cast<CRegion*>(&other)->pixman());
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return *this;
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}
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CRegion& CRegion::add(double x, double y, double w, double h) {
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pixman_region32_union_rect(&m_rRegion, &m_rRegion, x, y, w, h);
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return *this;
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}
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CRegion& CRegion::subtract(const CRegion& other) {
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pixman_region32_subtract(&m_rRegion, &m_rRegion, const_cast<CRegion*>(&other)->pixman());
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return *this;
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}
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CRegion& CRegion::intersect(const CRegion& other) {
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pixman_region32_intersect(&m_rRegion, &m_rRegion, const_cast<CRegion*>(&other)->pixman());
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return *this;
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}
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CRegion& CRegion::intersect(double x, double y, double w, double h) {
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pixman_region32_intersect_rect(&m_rRegion, &m_rRegion, x, y, w, h);
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return *this;
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}
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CRegion& CRegion::invert(pixman_box32_t* box) {
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pixman_region32_inverse(&m_rRegion, &m_rRegion, box);
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return *this;
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}
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CRegion& CRegion::translate(const Vector2D& vec) {
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pixman_region32_translate(&m_rRegion, vec.x, vec.y);
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return *this;
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}
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CRegion& CRegion::scale(float scale) {
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wlr_region_scale(&m_rRegion, &m_rRegion, scale);
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return *this;
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}
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std::vector<pixman_box32_t> CRegion::getRects() const {
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std::vector<pixman_box32_t> result;
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int rectsNum = 0;
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const auto RECTSARR = pixman_region32_rectangles(&m_rRegion, &rectsNum);
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result.assign(RECTSARR, RECTSARR + rectsNum);
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return result;
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}
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wlr_box CRegion::getExtents() {
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pixman_box32_t* box = pixman_region32_extents(&m_rRegion);
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return {box->x1, box->y1, box->x2 - box->x1, box->y2 - box->y1};
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}
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bool CRegion::containsPoint(const Vector2D& vec) const {
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return pixman_region32_contains_point(&m_rRegion, vec.x, vec.y, nullptr);
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}
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bool CRegion::empty() const {
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return !pixman_region32_not_empty(&m_rRegion);
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}
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Vector2D CRegion::closestPoint(const Vector2D& vec) const {
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double bestDist = __FLT_MAX__;
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Vector2D leader = vec;
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for (auto& box : getRects()) {
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double x = 0, y = 0;
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if (vec.x >= box.x2)
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x = box.x2 - 1;
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else if (vec.x < box.x1)
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x = box.x1;
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else
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x = vec.x;
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if (vec.y >= box.y2)
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y = box.y2 - 1;
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else if (vec.y < box.y1)
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y = box.y1;
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else
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y = vec.y;
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double distance = sqrt(pow(x, 2) + pow(y, 2));
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if (distance < bestDist) {
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bestDist = distance;
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leader = {x, y};
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}
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}
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return leader;
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} |