diff options
Diffstat (limited to 'source/blender/blenlib/intern/rct.c')
| -rw-r--r-- | source/blender/blenlib/intern/rct.c | 1151 |
1 files changed, 658 insertions, 493 deletions
diff --git a/source/blender/blenlib/intern/rct.c b/source/blender/blenlib/intern/rct.c index 9437380a09d..2723e1708cb 100644 --- a/source/blender/blenlib/intern/rct.c +++ b/source/blender/blenlib/intern/rct.c @@ -47,76 +47,124 @@ static void unit_m4(float m[4][4]); */ bool BLI_rcti_is_empty(const rcti *rect) { - return ((rect->xmax <= rect->xmin) || (rect->ymax <= rect->ymin)); + return ((rect->xmax <= rect->xmin) || (rect->ymax <= rect->ymin)); } bool BLI_rctf_is_empty(const rctf *rect) { - return ((rect->xmax <= rect->xmin) || (rect->ymax <= rect->ymin)); + return ((rect->xmax <= rect->xmin) || (rect->ymax <= rect->ymin)); } bool BLI_rcti_isect_x(const rcti *rect, const int x) { - if (x < rect->xmin) { return false; } - if (x > rect->xmax) { return false; } - return true; + if (x < rect->xmin) { + return false; + } + if (x > rect->xmax) { + return false; + } + return true; } bool BLI_rcti_isect_y(const rcti *rect, const int y) { - if (y < rect->ymin) { return false; } - if (y > rect->ymax) { return false; } - return true; + if (y < rect->ymin) { + return false; + } + if (y > rect->ymax) { + return false; + } + return true; } bool BLI_rcti_isect_pt(const rcti *rect, const int x, const int y) { - if (x < rect->xmin) { return false; } - if (x > rect->xmax) { return false; } - if (y < rect->ymin) { return false; } - if (y > rect->ymax) { return false; } - return true; + if (x < rect->xmin) { + return false; + } + if (x > rect->xmax) { + return false; + } + if (y < rect->ymin) { + return false; + } + if (y > rect->ymax) { + return false; + } + return true; } bool BLI_rcti_isect_pt_v(const rcti *rect, const int xy[2]) { - if (xy[0] < rect->xmin) { return false; } - if (xy[0] > rect->xmax) { return false; } - if (xy[1] < rect->ymin) { return false; } - if (xy[1] > rect->ymax) { return false; } - return true; + if (xy[0] < rect->xmin) { + return false; + } + if (xy[0] > rect->xmax) { + return false; + } + if (xy[1] < rect->ymin) { + return false; + } + if (xy[1] > rect->ymax) { + return false; + } + return true; } bool BLI_rctf_isect_x(const rctf *rect, const float x) { - if (x < rect->xmin) { return false; } - if (x > rect->xmax) { return false; } - return true; + if (x < rect->xmin) { + return false; + } + if (x > rect->xmax) { + return false; + } + return true; } bool BLI_rctf_isect_y(const rctf *rect, const float y) { - if (y < rect->ymin) { return false; } - if (y > rect->ymax) { return false; } - return true; + if (y < rect->ymin) { + return false; + } + if (y > rect->ymax) { + return false; + } + return true; } bool BLI_rctf_isect_pt(const rctf *rect, const float x, const float y) { - if (x < rect->xmin) { return false; } - if (x > rect->xmax) { return false; } - if (y < rect->ymin) { return false; } - if (y > rect->ymax) { return false; } - return true; + if (x < rect->xmin) { + return false; + } + if (x > rect->xmax) { + return false; + } + if (y < rect->ymin) { + return false; + } + if (y > rect->ymax) { + return false; + } + return true; } bool BLI_rctf_isect_pt_v(const rctf *rect, const float xy[2]) { - if (xy[0] < rect->xmin) { return false; } - if (xy[0] > rect->xmax) { return false; } - if (xy[1] < rect->ymin) { return false; } - if (xy[1] > rect->ymax) { return false; } - return true; + if (xy[0] < rect->xmin) { + return false; + } + if (xy[0] > rect->xmax) { + return false; + } + if (xy[1] < rect->ymin) { + return false; + } + if (xy[1] > rect->ymax) { + return false; + } + return true; } /** @@ -125,30 +173,46 @@ bool BLI_rctf_isect_pt_v(const rctf *rect, const float xy[2]) int BLI_rcti_length_x(const rcti *rect, const int x) { - if (x < rect->xmin) { return rect->xmin - x; } - if (x > rect->xmax) { return x - rect->xmax; } - return 0; + if (x < rect->xmin) { + return rect->xmin - x; + } + if (x > rect->xmax) { + return x - rect->xmax; + } + return 0; } int BLI_rcti_length_y(const rcti *rect, const int y) { - if (y < rect->ymin) { return rect->ymin - y; } - if (y > rect->ymax) { return y - rect->ymax; } - return 0; + if (y < rect->ymin) { + return rect->ymin - y; + } + if (y > rect->ymax) { + return y - rect->ymax; + } + return 0; } float BLI_rctf_length_x(const rctf *rect, const float x) { - if (x < rect->xmin) { return rect->xmin - x; } - if (x > rect->xmax) { return x - rect->xmax; } - return 0.0f; + if (x < rect->xmin) { + return rect->xmin - x; + } + if (x > rect->xmax) { + return x - rect->xmax; + } + return 0.0f; } float BLI_rctf_length_y(const rctf *rect, const float y) { - if (y < rect->ymin) { return rect->ymin - y; } - if (y > rect->ymax) { return y - rect->ymax; } - return 0.0f; + if (y < rect->ymin) { + return rect->ymin - y; + } + if (y > rect->ymax) { + return y - rect->ymax; + } + return 0.0f; } /** @@ -156,267 +220,334 @@ float BLI_rctf_length_y(const rctf *rect, const float y) */ bool BLI_rctf_inside_rctf(const rctf *rct_a, const rctf *rct_b) { - return ((rct_a->xmin <= rct_b->xmin) && - (rct_a->xmax >= rct_b->xmax) && - (rct_a->ymin <= rct_b->ymin) && - (rct_a->ymax >= rct_b->ymax)); + return ((rct_a->xmin <= rct_b->xmin) && (rct_a->xmax >= rct_b->xmax) && + (rct_a->ymin <= rct_b->ymin) && (rct_a->ymax >= rct_b->ymax)); } bool BLI_rcti_inside_rcti(const rcti *rct_a, const rcti *rct_b) { - return ((rct_a->xmin <= rct_b->xmin) && - (rct_a->xmax >= rct_b->xmax) && - (rct_a->ymin <= rct_b->ymin) && - (rct_a->ymax >= rct_b->ymax)); + return ((rct_a->xmin <= rct_b->xmin) && (rct_a->xmax >= rct_b->xmax) && + (rct_a->ymin <= rct_b->ymin) && (rct_a->ymax >= rct_b->ymax)); } - /* based closely on 'isect_seg_seg_v2_int', * but in modified so corner cases are treated as intersections */ static int isect_segments_i(const int v1[2], const int v2[2], const int v3[2], const int v4[2]) { - const double div = (double)((v2[0] - v1[0]) * (v4[1] - v3[1]) - (v2[1] - v1[1]) * (v4[0] - v3[0])); - if (div == 0.0) { - return 1; /* co-linear */ - } - else { - const double lambda = (double)((v1[1] - v3[1]) * (v4[0] - v3[0]) - (v1[0] - v3[0]) * (v4[1] - v3[1])) / div; - const double mu = (double)((v1[1] - v3[1]) * (v2[0] - v1[0]) - (v1[0] - v3[0]) * (v2[1] - v1[1])) / div; - return (lambda >= 0.0 && lambda <= 1.0 && mu >= 0.0 && mu <= 1.0); - } -} -static int isect_segments_fl(const float v1[2], const float v2[2], const float v3[2], const float v4[2]) -{ - const double div = (double)((v2[0] - v1[0]) * (v4[1] - v3[1]) - (v2[1] - v1[1]) * (v4[0] - v3[0])); - if (div == 0.0) { - return 1; /* co-linear */ - } - else { - const double lambda = (double)((v1[1] - v3[1]) * (v4[0] - v3[0]) - (v1[0] - v3[0]) * (v4[1] - v3[1])) / div; - const double mu = (double)((v1[1] - v3[1]) * (v2[0] - v1[0]) - (v1[0] - v3[0]) * (v2[1] - v1[1])) / div; - return (lambda >= 0.0 && lambda <= 1.0 && mu >= 0.0 && mu <= 1.0); - } + const double div = (double)((v2[0] - v1[0]) * (v4[1] - v3[1]) - + (v2[1] - v1[1]) * (v4[0] - v3[0])); + if (div == 0.0) { + return 1; /* co-linear */ + } + else { + const double lambda = (double)((v1[1] - v3[1]) * (v4[0] - v3[0]) - + (v1[0] - v3[0]) * (v4[1] - v3[1])) / + div; + const double mu = (double)((v1[1] - v3[1]) * (v2[0] - v1[0]) - + (v1[0] - v3[0]) * (v2[1] - v1[1])) / + div; + return (lambda >= 0.0 && lambda <= 1.0 && mu >= 0.0 && mu <= 1.0); + } +} +static int isect_segments_fl(const float v1[2], + const float v2[2], + const float v3[2], + const float v4[2]) +{ + const double div = (double)((v2[0] - v1[0]) * (v4[1] - v3[1]) - + (v2[1] - v1[1]) * (v4[0] - v3[0])); + if (div == 0.0) { + return 1; /* co-linear */ + } + else { + const double lambda = (double)((v1[1] - v3[1]) * (v4[0] - v3[0]) - + (v1[0] - v3[0]) * (v4[1] - v3[1])) / + div; + const double mu = (double)((v1[1] - v3[1]) * (v2[0] - v1[0]) - + (v1[0] - v3[0]) * (v2[1] - v1[1])) / + div; + return (lambda >= 0.0 && lambda <= 1.0 && mu >= 0.0 && mu <= 1.0); + } } bool BLI_rcti_isect_segment(const rcti *rect, const int s1[2], const int s2[2]) { - /* first do outside-bounds check for both points of the segment */ - if (s1[0] < rect->xmin && s2[0] < rect->xmin) { return false; } - if (s1[0] > rect->xmax && s2[0] > rect->xmax) { return false; } - if (s1[1] < rect->ymin && s2[1] < rect->ymin) { return false; } - if (s1[1] > rect->ymax && s2[1] > rect->ymax) { return false; } - - /* if either points intersect then we definetly intersect */ - if (BLI_rcti_isect_pt_v(rect, s1) || BLI_rcti_isect_pt_v(rect, s2)) { - return true; - } - else { - /* both points are outside but may insersect the rect */ - int tvec1[2]; - int tvec2[2]; - /* diagonal: [/] */ - tvec1[0] = rect->xmin; tvec1[1] = rect->ymin; - tvec2[0] = rect->xmin; tvec2[1] = rect->ymax; - if (isect_segments_i(s1, s2, tvec1, tvec2)) { - return true; - } - - /* diagonal: [\] */ - tvec1[0] = rect->xmin; tvec1[1] = rect->ymax; - tvec2[0] = rect->xmax; tvec2[1] = rect->ymin; - if (isect_segments_i(s1, s2, tvec1, tvec2)) { - return true; - } - - /* no intersection */ - return false; - } + /* first do outside-bounds check for both points of the segment */ + if (s1[0] < rect->xmin && s2[0] < rect->xmin) { + return false; + } + if (s1[0] > rect->xmax && s2[0] > rect->xmax) { + return false; + } + if (s1[1] < rect->ymin && s2[1] < rect->ymin) { + return false; + } + if (s1[1] > rect->ymax && s2[1] > rect->ymax) { + return false; + } + + /* if either points intersect then we definetly intersect */ + if (BLI_rcti_isect_pt_v(rect, s1) || BLI_rcti_isect_pt_v(rect, s2)) { + return true; + } + else { + /* both points are outside but may insersect the rect */ + int tvec1[2]; + int tvec2[2]; + /* diagonal: [/] */ + tvec1[0] = rect->xmin; + tvec1[1] = rect->ymin; + tvec2[0] = rect->xmin; + tvec2[1] = rect->ymax; + if (isect_segments_i(s1, s2, tvec1, tvec2)) { + return true; + } + + /* diagonal: [\] */ + tvec1[0] = rect->xmin; + tvec1[1] = rect->ymax; + tvec2[0] = rect->xmax; + tvec2[1] = rect->ymin; + if (isect_segments_i(s1, s2, tvec1, tvec2)) { + return true; + } + + /* no intersection */ + return false; + } } bool BLI_rctf_isect_segment(const rctf *rect, const float s1[2], const float s2[2]) { - /* first do outside-bounds check for both points of the segment */ - if (s1[0] < rect->xmin && s2[0] < rect->xmin) { return false; } - if (s1[0] > rect->xmax && s2[0] > rect->xmax) { return false; } - if (s1[1] < rect->ymin && s2[1] < rect->ymin) { return false; } - if (s1[1] > rect->ymax && s2[1] > rect->ymax) { return false; } - - /* if either points intersect then we definetly intersect */ - if (BLI_rctf_isect_pt_v(rect, s1) || BLI_rctf_isect_pt_v(rect, s2)) { - return true; - } - else { - /* both points are outside but may insersect the rect */ - float tvec1[2]; - float tvec2[2]; - /* diagonal: [/] */ - tvec1[0] = rect->xmin; tvec1[1] = rect->ymin; - tvec2[0] = rect->xmin; tvec2[1] = rect->ymax; - if (isect_segments_fl(s1, s2, tvec1, tvec2)) { - return true; - } - - /* diagonal: [\] */ - tvec1[0] = rect->xmin; tvec1[1] = rect->ymax; - tvec2[0] = rect->xmax; tvec2[1] = rect->ymin; - if (isect_segments_fl(s1, s2, tvec1, tvec2)) { - return true; - } - - /* no intersection */ - return false; - } + /* first do outside-bounds check for both points of the segment */ + if (s1[0] < rect->xmin && s2[0] < rect->xmin) { + return false; + } + if (s1[0] > rect->xmax && s2[0] > rect->xmax) { + return false; + } + if (s1[1] < rect->ymin && s2[1] < rect->ymin) { + return false; + } + if (s1[1] > rect->ymax && s2[1] > rect->ymax) { + return false; + } + + /* if either points intersect then we definetly intersect */ + if (BLI_rctf_isect_pt_v(rect, s1) || BLI_rctf_isect_pt_v(rect, s2)) { + return true; + } + else { + /* both points are outside but may insersect the rect */ + float tvec1[2]; + float tvec2[2]; + /* diagonal: [/] */ + tvec1[0] = rect->xmin; + tvec1[1] = rect->ymin; + tvec2[0] = rect->xmin; + tvec2[1] = rect->ymax; + if (isect_segments_fl(s1, s2, tvec1, tvec2)) { + return true; + } + + /* diagonal: [\] */ + tvec1[0] = rect->xmin; + tvec1[1] = rect->ymax; + tvec2[0] = rect->xmax; + tvec2[1] = rect->ymin; + if (isect_segments_fl(s1, s2, tvec1, tvec2)) { + return true; + } + + /* no intersection */ + return false; + } } bool BLI_rcti_isect_circle(const rcti *rect, const float xy[2], const float radius) { - float dx, dy; + float dx, dy; - if (xy[0] >= rect->xmin && xy[0] <= rect->xmax) { - dx = 0; - } - else { - dx = (xy[0] < rect->xmin) ? (rect->xmin - xy[0]) : (xy[0] - rect->xmax); - } + if (xy[0] >= rect->xmin && xy[0] <= rect->xmax) { + dx = 0; + } + else { + dx = (xy[0] < rect->xmin) ? (rect->xmin - xy[0]) : (xy[0] - rect->xmax); + } - if (xy[1] >= rect->ymin && xy[1] <= rect->ymax) { - dy = 0; - } - else { - dy = (xy[1] < rect->ymin) ? (rect->ymin - xy[1]) : (xy[1] - rect->ymax); - } + if (xy[1] >= rect->ymin && xy[1] <= rect->ymax) { + dy = 0; + } + else { + dy = (xy[1] < rect->ymin) ? (rect->ymin - xy[1]) : (xy[1] - rect->ymax); + } - return dx * dx + dy * dy <= radius * radius; + return dx * dx + dy * dy <= radius * radius; } bool BLI_rctf_isect_circle(const rctf *rect, const float xy[2], const float radius) { - float dx, dy; + float dx, dy; - if (xy[0] >= rect->xmin && xy[0] <= rect->xmax) { - dx = 0; - } - else { - dx = (xy[0] < rect->xmin) ? (rect->xmin - xy[0]) : (xy[0] - rect->xmax); - } + if (xy[0] >= rect->xmin && xy[0] <= rect->xmax) { + dx = 0; + } + else { + dx = (xy[0] < rect->xmin) ? (rect->xmin - xy[0]) : (xy[0] - rect->xmax); + } - if (xy[1] >= rect->ymin && xy[1] <= rect->ymax) { - dy = 0; - } - else { - dy = (xy[1] < rect->ymin) ? (rect->ymin - xy[1]) : (xy[1] - rect->ymax); - } + if (xy[1] >= rect->ymin && xy[1] <= rect->ymax) { + dy = 0; + } + else { + dy = (xy[1] < rect->ymin) ? (rect->ymin - xy[1]) : (xy[1] - rect->ymax); + } - return dx * dx + dy * dy <= radius * radius; + return dx * dx + dy * dy <= radius * radius; } void BLI_rctf_union(rctf *rct1, const rctf *rct2) { - if (rct1->xmin > rct2->xmin) { rct1->xmin = rct2->xmin; } - if (rct1->xmax < rct2->xmax) { rct1->xmax = rct2->xmax; } - if (rct1->ymin > rct2->ymin) { rct1->ymin = rct2->ymin; } - if (rct1->ymax < rct2->ymax) { rct1->ymax = rct2->ymax; } + if (rct1->xmin > rct2->xmin) { + rct1->xmin = rct2->xmin; + } + if (rct1->xmax < rct2->xmax) { + rct1->xmax = rct2->xmax; + } + if (rct1->ymin > rct2->ymin) { + rct1->ymin = rct2->ymin; + } + if (rct1->ymax < rct2->ymax) { + rct1->ymax = rct2->ymax; + } } void BLI_rcti_union(rcti *rct1, const rcti *rct2) { - if (rct1->xmin > rct2->xmin) { rct1->xmin = rct2->xmin; } - if (rct1->xmax < rct2->xmax) { rct1->xmax = rct2->xmax; } - if (rct1->ymin > rct2->ymin) { rct1->ymin = rct2->ymin; } - if (rct1->ymax < rct2->ymax) { rct1->ymax = rct2->ymax; } + if (rct1->xmin > rct2->xmin) { + rct1->xmin = rct2->xmin; + } + if (rct1->xmax < rct2->xmax) { + rct1->xmax = rct2->xmax; + } + if (rct1->ymin > rct2->ymin) { + rct1->ymin = rct2->ymin; + } + if (rct1->ymax < rct2->ymax) { + rct1->ymax = rct2->ymax; + } } void BLI_rctf_init(rctf *rect, float xmin, float xmax, float ymin, float ymax) { - if (xmin <= xmax) { - rect->xmin = xmin; - rect->xmax = xmax; - } - else { - rect->xmax = xmin; - rect->xmin = xmax; - } - if (ymin <= ymax) { - rect->ymin = ymin; - rect->ymax = ymax; - } - else { - rect->ymax = ymin; - rect->ymin = ymax; - } + if (xmin <= xmax) { + rect->xmin = xmin; + rect->xmax = xmax; + } + else { + rect->xmax = xmin; + rect->xmin = xmax; + } + if (ymin <= ymax) { + rect->ymin = ymin; + rect->ymax = ymax; + } + else { + rect->ymax = ymin; + rect->ymin = ymax; + } } void BLI_rcti_init(rcti *rect, int xmin, int xmax, int ymin, int ymax) { - if (xmin <= xmax) { - rect->xmin = xmin; - rect->xmax = xmax; - } - else { - rect->xmax = xmin; - rect->xmin = xmax; - } - if (ymin <= ymax) { - rect->ymin = ymin; - rect->ymax = ymax; - } - else { - rect->ymax = ymin; - rect->ymin = ymax; - } + if (xmin <= xmax) { + rect->xmin = xmin; + rect->xmax = xmax; + } + else { + rect->xmax = xmin; + rect->xmin = xmax; + } + if (ymin <= ymax) { + rect->ymin = ymin; + rect->ymax = ymax; + } + else { + rect->ymax = ymin; + rect->ymin = ymax; + } } void BLI_rctf_init_pt_radius(rctf *rect, const float xy[2], float size) { - rect->xmin = xy[0] - size; - rect->xmax = xy[0] + size; - rect->ymin = xy[1] - size; - rect->ymax = xy[1] + size; + rect->xmin = xy[0] - size; + rect->xmax = xy[0] + size; + rect->ymin = xy[1] - size; + rect->ymax = xy[1] + size; } void BLI_rcti_init_pt_radius(rcti *rect, const int xy[2], int size) { - rect->xmin = xy[0] - size; - rect->xmax = xy[0] + size; - rect->ymin = xy[1] - size; - rect->ymax = xy[1] + size; + rect->xmin = xy[0] - size; + rect->xmax = xy[0] + size; + rect->ymin = xy[1] - size; + rect->ymax = xy[1] + size; } void BLI_rcti_init_minmax(rcti *rect) { - rect->xmin = rect->ymin = INT_MAX; - rect->xmax = rect->ymax = INT_MIN; + rect->xmin = rect->ymin = INT_MAX; + rect->xmax = rect->ymax = INT_MIN; } void BLI_rctf_init_minmax(rctf *rect) { - rect->xmin = rect->ymin = FLT_MAX; - rect->xmax = rect->ymax = -FLT_MAX; + rect->xmin = rect->ymin = FLT_MAX; + rect->xmax = rect->ymax = -FLT_MAX; } void BLI_rcti_do_minmax_v(rcti *rect, const int xy[2]) { - if (xy[0] < rect->xmin) { rect->xmin = xy[0]; } - if (xy[0] > rect->xmax) { rect->xmax = xy[0]; } - if (xy[1] < rect->ymin) { rect->ymin = xy[1]; } - if (xy[1] > rect->ymax) { rect->ymax = xy[1]; } + if (xy[0] < rect->xmin) { + rect->xmin = xy[0]; + } + if (xy[0] > rect->xmax) { + rect->xmax = xy[0]; + } + if (xy[1] < rect->ymin) { + rect->ymin = xy[1]; + } + if (xy[1] > rect->ymax) { + rect->ymax = xy[1]; + } } void BLI_rctf_do_minmax_v(rctf *rect, const float xy[2]) { - if (xy[0] < rect->xmin) { rect->xmin = xy[0]; } - if (xy[0] > rect->xmax) { rect->xmax = xy[0]; } - if (xy[1] < rect->ymin) { rect->ymin = xy[1]; } - if (xy[1] > rect->ymax) { rect->ymax = xy[1]; } + if (xy[0] < rect->xmin) { + rect->xmin = xy[0]; + } + if (xy[0] > rect->xmax) { + rect->xmax = xy[0]; + } + if (xy[1] < rect->ymin) { + rect->ymin = xy[1]; + } + if (xy[1] > rect->ymax) { + rect->ymax = xy[1]; + } } /* given 2 rectangles - transform a point from one to another */ -void BLI_rctf_transform_pt_v(const rctf *dst, const rctf *src, float xy_dst[2], const float xy_src[2]) +void BLI_rctf_transform_pt_v(const rctf *dst, + const rctf *src, + float xy_dst[2], + const float xy_src[2]) { - xy_dst[0] = ((xy_src[0] - src->xmin) / (src->xmax - src->xmin)); - xy_dst[0] = dst->xmin + ((dst->xmax - dst->xmin) * xy_dst[0]); + xy_dst[0] = ((xy_src[0] - src->xmin) / (src->xmax - src->xmin)); + xy_dst[0] = dst->xmin + ((dst->xmax - dst->xmin) * xy_dst[0]); - xy_dst[1] = ((xy_src[1] - src->ymin) / (src->ymax - src->ymin)); - xy_dst[1] = dst->ymin + ((dst->ymax - dst->ymin) * xy_dst[1]); + xy_dst[1] = ((xy_src[1] - src->ymin) / (src->ymax - src->ymin)); + xy_dst[1] = dst->ymin + ((dst->ymax - dst->ymin) * xy_dst[1]); } /** @@ -425,124 +556,145 @@ void BLI_rctf_transform_pt_v(const rctf *dst, const rctf *src, float xy_dst[2], * \note Multiplying a vector by this matrix does *not* give the same value as #BLI_rctf_transform_pt_v. */ void BLI_rctf_transform_calc_m4_pivot_min_ex( - const rctf *dst, const rctf *src, float matrix[4][4], - uint x, uint y) + const rctf *dst, const rctf *src, float matrix[4][4], uint x, uint y) { - BLI_assert(x < 3 && y < 3); + BLI_assert(x < 3 && y < 3); - unit_m4(matrix); + unit_m4(matrix); - matrix[x][x] = BLI_rctf_size_x(src) / BLI_rctf_size_x(dst); - matrix[y][y] = BLI_rctf_size_y(src) / BLI_rctf_size_y(dst); - matrix[3][x] = (src->xmin - dst->xmin) * matrix[x][x]; - matrix[3][y] = (src->ymin - dst->ymin) * matrix[y][y]; + matrix[x][x] = BLI_rctf_size_x(src) / BLI_rctf_size_x(dst); + matrix[y][y] = BLI_rctf_size_y(src) / BLI_rctf_size_y(dst); + matrix[3][x] = (src->xmin - dst->xmin) * matrix[x][x]; + matrix[3][y] = (src->ymin - dst->ymin) * matrix[y][y]; } -void BLI_rctf_transform_calc_m4_pivot_min( - const rctf *dst, const rctf *src, float matrix[4][4]) +void BLI_rctf_transform_calc_m4_pivot_min(const rctf *dst, const rctf *src, float matrix[4][4]) { - BLI_rctf_transform_calc_m4_pivot_min_ex(dst, src, matrix, 0, 1); + BLI_rctf_transform_calc_m4_pivot_min_ex(dst, src, matrix, 0, 1); } void BLI_rcti_translate(rcti *rect, int x, int y) { - rect->xmin += x; - rect->ymin += y; - rect->xmax += x; - rect->ymax += y; + rect->xmin += x; + rect->ymin += y; + rect->xmax += x; + rect->ymax += y; } void BLI_rctf_translate(rctf *rect, float x, float y) { - rect->xmin += x; - rect->ymin += y; - rect->xmax += x; - rect->ymax += y; + rect->xmin += x; + rect->ymin += y; + rect->xmax += x; + rect->ymax += y; } void BLI_rcti_recenter(rcti *rect, int x, int y) { - const int dx = x - BLI_rcti_cent_x(rect); - const int dy = y - BLI_rcti_cent_y(rect); - BLI_rcti_translate(rect, dx, dy); + const int dx = x - BLI_rcti_cent_x(rect); + const int dy = y - BLI_rcti_cent_y(rect); + BLI_rcti_translate(rect, dx, dy); } void BLI_rctf_recenter(rctf *rect, float x, float y) { - const float dx = x - BLI_rctf_cent_x(rect); - const float dy = y - BLI_rctf_cent_y(rect); - BLI_rctf_translate(rect, dx, dy); + const float dx = x - BLI_rctf_cent_x(rect); + const float dy = y - BLI_rctf_cent_y(rect); + BLI_rctf_translate(rect, dx, dy); } /* change width & height around the central location */ void BLI_rcti_resize(rcti *rect, int x, int y) { - rect->xmin = BLI_rcti_cent_x(rect) - (x / 2); - rect->ymin = BLI_rcti_cent_y(rect) - (y / 2); - rect->xmax = rect->xmin + x; - rect->ymax = rect->ymin + y; + rect->xmin = BLI_rcti_cent_x(rect) - (x / 2); + rect->ymin = BLI_rcti_cent_y(rect) - (y / 2); + rect->xmax = rect->xmin + x; + rect->ymax = rect->ymin + y; } void BLI_rctf_resize(rctf *rect, float x, float y) { - rect->xmin = BLI_rctf_cent_x(rect) - (x * 0.5f); - rect->ymin = BLI_rctf_cent_y(rect) - (y * 0.5f); - rect->xmax = rect->xmin + x; - rect->ymax = rect->ymin + y; + rect->xmin = BLI_rctf_cent_x(rect) - (x * 0.5f); + rect->ymin = BLI_rctf_cent_y(rect) - (y * 0.5f); + rect->xmax = rect->xmin + x; + rect->ymax = rect->ymin + y; } void BLI_rcti_scale(rcti *rect, const float scale) { - const int cent_x = BLI_rcti_cent_x(rect); - const int cent_y = BLI_rcti_cent_y(rect); - const int size_x_half = BLI_rcti_size_x(rect) * (scale * 0.5f); - const int size_y_half = BLI_rcti_size_y(rect) * (scale * 0.5f); - rect->xmin = cent_x - size_x_half; - rect->ymin = cent_y - size_y_half; - rect->xmax = cent_x + size_x_half; - rect->ymax = cent_y + size_y_half; + const int cent_x = BLI_rcti_cent_x(rect); + const int cent_y = BLI_rcti_cent_y(rect); + const int size_x_half = BLI_rcti_size_x(rect) * (scale * 0.5f); + const int size_y_half = BLI_rcti_size_y(rect) * (scale * 0.5f); + rect->xmin = cent_x - size_x_half; + rect->ymin = cent_y - size_y_half; + rect->xmax = cent_x + size_x_half; + rect->ymax = cent_y + size_y_half; } void BLI_rctf_scale(rctf *rect, const float scale) { - const float cent_x = BLI_rctf_cent_x(rect); - const float cent_y = BLI_rctf_cent_y(rect); - const float size_x_half = BLI_rctf_size_x(rect) * (scale * 0.5f); - const float size_y_half = BLI_rctf_size_y(rect) * (scale * 0.5f); - rect->xmin = cent_x - size_x_half; - rect->ymin = cent_y - size_y_half; - rect->xmax = cent_x + size_x_half; - rect->ymax = cent_y + size_y_half; + const float cent_x = BLI_rctf_cent_x(rect); + const float cent_y = BLI_rctf_cent_y(rect); + const float size_x_half = BLI_rctf_size_x(rect) * (scale * 0.5f); + const float size_y_half = BLI_rctf_size_y(rect) * (scale * 0.5f); + rect->xmin = cent_x - size_x_half; + rect->ymin = cent_y - size_y_half; + rect->xmax = cent_x + size_x_half; + rect->ymax = cent_y + size_y_half; } void BLI_rctf_interp(rctf *rect, const rctf *rect_a, const rctf *rect_b, const float fac) { - const float ifac = 1.0f - fac; - rect->xmin = (rect_a->xmin * ifac) + (rect_b->xmin * fac); - rect->xmax = (rect_a->xmax * ifac) + (rect_b->xmax * fac); - rect->ymin = (rect_a->ymin * ifac) + (rect_b->ymin * fac); - rect->ymax = (rect_a->ymax * ifac) + (rect_b->ymax * fac); + const float ifac = 1.0f - fac; + rect->xmin = (rect_a->xmin * ifac) + (rect_b->xmin * fac); + rect->xmax = (rect_a->xmax * ifac) + (rect_b->xmax * fac); + rect->ymin = (rect_a->ymin * ifac) + (rect_b->ymin * fac); + rect->ymax = (rect_a->ymax * ifac) + (rect_b->ymax * fac); } /* BLI_rcti_interp() not needed yet */ - bool BLI_rctf_clamp_pt_v(const rctf *rect, float xy[2]) { - bool changed = false; - if (xy[0] < rect->xmin) { xy[0] = rect->xmin; changed = true; } - if (xy[0] > rect->xmax) { xy[0] = rect->xmax; changed = true; } - if (xy[1] < rect->ymin) { xy[1] = rect->ymin; changed = true; } - if (xy[1] > rect->ymax) { xy[1] = rect->ymax; changed = true; } - return changed; + bool changed = false; + if (xy[0] < rect->xmin) { + xy[0] = rect->xmin; + changed = true; + } + if (xy[0] > rect->xmax) { + xy[0] = rect->xmax; + changed = true; + } + if (xy[1] < rect->ymin) { + xy[1] = rect->ymin; + changed = true; + } + if (xy[1] > rect->ymax) { + xy[1] = rect->ymax; + changed = true; + } + return changed; } bool BLI_rcti_clamp_pt_v(const rcti *rect, int xy[2]) { - bool changed = false; - if (xy[0] < rect->xmin) { xy[0] = rect->xmin; changed = true; } - if (xy[0] > rect->xmax) { xy[0] = rect->xmax; changed = true; } - if (xy[1] < rect->ymin) { xy[1] = rect->ymin; changed = true; } - if (xy[1] > rect->ymax) { xy[1] = rect->ymax; changed = true; } - return changed; + bool changed = false; + if (xy[0] < rect->xmin) { + xy[0] = rect->xmin; + changed = true; + } + if (xy[0] > rect->xmax) { + xy[0] = rect->xmax; + changed = true; + } + if (xy[1] < rect->ymin) { + xy[1] = rect->ymin; + changed = true; + } + if (xy[1] > rect->ymax) { + xy[1] = rect->ymax; + changed = true; + } + return changed; } /** @@ -552,259 +704,272 @@ bool BLI_rcti_clamp_pt_v(const rcti *rect, int xy[2]) */ bool BLI_rctf_clamp(rctf *rect, const rctf *rect_bounds, float r_xy[2]) { - bool changed = false; - - r_xy[0] = 0.0f; - r_xy[1] = 0.0f; - - if (rect->xmin < rect_bounds->xmin) { - float ofs = rect_bounds->xmin - rect->xmin; - rect->xmin += ofs; - rect->xmax += ofs; - r_xy[0] += ofs; - changed = true; - } - - if (rect->xmax > rect_bounds->xmax) { - float ofs = rect_bounds->xmax - rect->xmax; - rect->xmin += ofs; - rect->xmax += ofs; - r_xy[0] += ofs; - changed = true; - } - - if (rect->ymin < rect_bounds->ymin) { - float ofs = rect_bounds->ymin - rect->ymin; - rect->ymin += ofs; - rect->ymax += ofs; - r_xy[1] += ofs; - changed = true; - } - - if (rect->ymax > rect_bounds->ymax) { - float ofs = rect_bounds->ymax - rect->ymax; - rect->ymin += ofs; - rect->ymax += ofs; - r_xy[1] += ofs; - changed = true; - } - - return changed; + bool changed = false; + + r_xy[0] = 0.0f; + r_xy[1] = 0.0f; + + if (rect->xmin < rect_bounds->xmin) { + float ofs = rect_bounds->xmin - rect->xmin; + rect->xmin += ofs; + rect->xmax += ofs; + r_xy[0] += ofs; + changed = true; + } + + if (rect->xmax > rect_bounds->xmax) { + float ofs = rect_bounds->xmax - rect->xmax; + rect->xmin += ofs; + rect->xmax += ofs; + r_xy[0] += ofs; + changed = true; + } + + if (rect->ymin < rect_bounds->ymin) { + float ofs = rect_bounds->ymin - rect->ymin; + rect->ymin += ofs; + rect->ymax += ofs; + r_xy[1] += ofs; + changed = true; + } + + if (rect->ymax > rect_bounds->ymax) { + float ofs = rect_bounds->ymax - rect->ymax; + rect->ymin += ofs; + rect->ymax += ofs; + r_xy[1] += ofs; + changed = true; + } + + return changed; } bool BLI_rcti_clamp(rcti *rect, const rcti *rect_bounds, int r_xy[2]) { - bool changed = false; - - r_xy[0] = 0; - r_xy[1] = 0; - - if (rect->xmin < rect_bounds->xmin) { - int ofs = rect_bounds->xmin - rect->xmin; - rect->xmin += ofs; - rect->xmax += ofs; - r_xy[0] += ofs; - changed = true; - } - - if (rect->xmax > rect_bounds->xmax) { - int ofs = rect_bounds->xmax - rect->xmax; - rect->xmin += ofs; - rect->xmax += ofs; - r_xy[0] += ofs; - changed = true; - } - - if (rect->ymin < rect_bounds->ymin) { - int ofs = rect_bounds->ymin - rect->ymin; - rect->ymin += ofs; - rect->ymax += ofs; - r_xy[1] += ofs; - changed = true; - } - - if (rect->ymax > rect_bounds->ymax) { - int ofs = rect_bounds->ymax - rect->ymax; - rect->ymin += ofs; - rect->ymax += ofs; - r_xy[1] += ofs; - changed = true; - } - - return changed; + bool changed = false; + + r_xy[0] = 0; + r_xy[1] = 0; + + if (rect->xmin < rect_bounds->xmin) { + int ofs = rect_bounds->xmin - rect->xmin; + rect->xmin += ofs; + rect->xmax += ofs; + r_xy[0] += ofs; + changed = true; + } + + if (rect->xmax > rect_bounds->xmax) { + int ofs = rect_bounds->xmax - rect->xmax; + rect->xmin += ofs; + rect->xmax += ofs; + r_xy[0] += ofs; + changed = true; + } + + if (rect->ymin < rect_bounds->ymin) { + int ofs = rect_bounds->ymin - rect->ymin; + rect->ymin += ofs; + rect->ymax += ofs; + r_xy[1] += ofs; + changed = true; + } + + if (rect->ymax > rect_bounds->ymax) { + int ofs = rect_bounds->ymax - rect->ymax; + rect->ymin += ofs; + rect->ymax += ofs; + r_xy[1] += ofs; + changed = true; + } + + return changed; } bool BLI_rctf_compare(const rctf *rect_a, const rctf *rect_b, const float limit) { - if (fabsf(rect_a->xmin - rect_b->xmin) < limit) { - if (fabsf(rect_a->xmax - rect_b->xmax) < limit) { - if (fabsf(rect_a->ymin - rect_b->ymin) < limit) { - if (fabsf(rect_a->ymax - rect_b->ymax) < limit) { - return true; - } - } - } - } + if (fabsf(rect_a->xmin - rect_b->xmin) < limit) { + if (fabsf(rect_a->xmax - rect_b->xmax) < limit) { + if (fabsf(rect_a->ymin - rect_b->ymin) < limit) { + if (fabsf(rect_a->ymax - rect_b->ymax) < limit) { + return true; + } + } + } + } - return false; + return false; } bool BLI_rcti_compare(const rcti *rect_a, const rcti *rect_b) { - if (rect_a->xmin == rect_b->xmin) { - if (rect_a->xmax == rect_b->xmax) { - if (rect_a->ymin == rect_b->ymin) { - if (rect_a->ymax == rect_b->ymax) { - return true; - } - } - } - } + if (rect_a->xmin == rect_b->xmin) { + if (rect_a->xmax == rect_b->xmax) { + if (rect_a->ymin == rect_b->ymin) { + if (rect_a->ymax == rect_b->ymax) { + return true; + } + } + } + } - return false; + return false; } bool BLI_rctf_isect(const rctf *src1, const rctf *src2, rctf *dest) { - float xmin, xmax; - float ymin, ymax; - - xmin = (src1->xmin) > (src2->xmin) ? (src1->xmin) : (src2->xmin); - xmax = (src1->xmax) < (src2->xmax) ? (src1->xmax) : (src2->xmax); - ymin = (src1->ymin) > (src2->ymin) ? (src1->ymin) : (src2->ymin); - ymax = (src1->ymax) < (src2->ymax) ? (src1->ymax) : (src2->ymax); - - if (xmax >= xmin && ymax >= ymin) { - if (dest) { - dest->xmin = xmin; - dest->xmax = xmax; - dest->ymin = ymin; - dest->ymax = ymax; - } - return true; - } - else { - if (dest) { - dest->xmin = 0; - dest->xmax = 0; - dest->ymin = 0; - dest->ymax = 0; - } - return false; - } + float xmin, xmax; + float ymin, ymax; + + xmin = (src1->xmin) > (src2->xmin) ? (src1->xmin) : (src2->xmin); + xmax = (src1->xmax) < (src2->xmax) ? (src1->xmax) : (src2->xmax); + ymin = (src1->ymin) > (src2->ymin) ? (src1->ymin) : (src2->ymin); + ymax = (src1->ymax) < (src2->ymax) ? (src1->ymax) : (src2->ymax); + + if (xmax >= xmin && ymax >= ymin) { + if (dest) { + dest->xmin = xmin; + dest->xmax = xmax; + dest->ymin = ymin; + dest->ymax = ymax; + } + return true; + } + else { + if (dest) { + dest->xmin = 0; + dest->xmax = 0; + dest->ymin = 0; + dest->ymax = 0; + } + return false; + } } bool BLI_rcti_isect(const rcti *src1, const rcti *src2, rcti *dest) { - int xmin, xmax; - int ymin, ymax; - - xmin = (src1->xmin) > (src2->xmin) ? (src1->xmin) : (src2->xmin); - xmax = (src1->xmax) < (src2->xmax) ? (src1->xmax) : (src2->xmax); - ymin = (src1->ymin) > (src2->ymin) ? (src1->ymin) : (src2->ymin); - ymax = (src1->ymax) < (src2->ymax) ? (src1->ymax) : (src2->ymax); - - if (xmax >= xmin && ymax >= ymin) { - if (dest) { - dest->xmin = xmin; - dest->xmax = xmax; - dest->ymin = ymin; - dest->ymax = ymax; - } - return true; - } - else { - if (dest) { - dest->xmin = 0; - dest->xmax = 0; - dest->ymin = 0; - dest->ymax = 0; - } - return false; - } + int xmin, xmax; + int ymin, ymax; + + xmin = (src1->xmin) > (src2->xmin) ? (src1->xmin) : (src2->xmin); + xmax = (src1->xmax) < (src2->xmax) ? (src1->xmax) : (src2->xmax); + ymin = (src1->ymin) > (src2->ymin) ? (src1->ymin) : (src2->ymin); + ymax = (src1->ymax) < (src2->ymax) ? (src1->ymax) : (src2->ymax); + + if (xmax >= xmin && ymax >= ymin) { + if (dest) { + dest->xmin = xmin; + dest->xmax = xmax; + dest->ymin = ymin; + dest->ymax = ymax; + } + return true; + } + else { + if (dest) { + dest->xmin = 0; + dest->xmax = 0; + dest->ymin = 0; + dest->ymax = 0; + } + return false; + } } void BLI_rcti_rctf_copy(rcti *dst, const rctf *src) { - dst->xmin = floorf(src->xmin + 0.5f); - dst->xmax = dst->xmin + floorf(BLI_rctf_size_x(src) + 0.5f); - dst->ymin = floorf(src->ymin + 0.5f); - dst->ymax = dst->ymin + floorf(BLI_rctf_size_y(src) + 0.5f); + dst->xmin = floorf(src->xmin + 0.5f); + dst->xmax = dst->xmin + floorf(BLI_rctf_size_x(src) + 0.5f); + dst->ymin = floorf(src->ymin + 0.5f); + dst->ymax = dst->ymin + floorf(BLI_rctf_size_y(src) + 0.5f); } void BLI_rcti_rctf_copy_floor(rcti *dst, const rctf *src) { - dst->xmin = floorf(src->xmin); - dst->xmax = floorf(src->xmax); - dst->ymin = floorf(src->ymin); - dst->ymax = floorf(src->ymax); + dst->xmin = floorf(src->xmin); + dst->xmax = floorf(src->xmax); + dst->ymin = floorf(src->ymin); + dst->ymax = floorf(src->ymax); } void BLI_rcti_rctf_copy_round(rcti *dst, const rctf *src) { - dst->xmin = floorf(src->xmin + 0.5f); - dst->xmax = floorf(src->xmax + 0.5f); - dst->ymin = floorf(src->ymin + 0.5f); - dst->ymax = floorf(src->ymax + 0.5f); + dst->xmin = floorf(src->xmin + 0.5f); + dst->xmax = floorf(src->xmax + 0.5f); + dst->ymin = floorf(src->ymin + 0.5f); + dst->ymax = floorf(src->ymax + 0.5f); } void BLI_rctf_rcti_copy(rctf *dst, const rcti *src) { - dst->xmin = src->xmin; - dst->xmax = src->xmax; - dst->ymin = src->ymin; - dst->ymax = src->ymax; + dst->xmin = src->xmin; + dst->xmax = src->xmax; + dst->ymin = src->ymin; + dst->ymax = src->ymax; } void print_rctf(const char *str, const rctf *rect) { - printf("%s: xmin %.8f, xmax %.8f, ymin %.8f, ymax %.8f (%.12fx%.12f)\n", str, - rect->xmin, rect->xmax, rect->ymin, rect->ymax, BLI_rctf_size_x(rect), BLI_rctf_size_y(rect)); + printf("%s: xmin %.8f, xmax %.8f, ymin %.8f, ymax %.8f (%.12fx%.12f)\n", + str, + rect->xmin, + rect->xmax, + rect->ymin, + rect->ymax, + BLI_rctf_size_x(rect), + BLI_rctf_size_y(rect)); } void print_rcti(const char *str, const rcti *rect) { - printf("%s: xmin %d, xmax %d, ymin %d, ymax %d (%dx%d)\n", str, - rect->xmin, rect->xmax, rect->ymin, rect->ymax, BLI_rcti_size_x(rect), BLI_rcti_size_y(rect)); + printf("%s: xmin %d, xmax %d, ymin %d, ymax %d (%dx%d)\n", + str, + rect->xmin, + rect->xmax, + rect->ymin, + rect->ymax, + BLI_rcti_size_x(rect), + BLI_rcti_size_y(rect)); } - /* -------------------------------------------------------------------- */ /* Comprehensive math (float only) */ /** \name Rect math functions * \{ */ -#define ROTATE_SINCOS(r_vec, mat2, vec) { \ - (r_vec)[0] = (mat2)[1] * (vec)[0] + (+(mat2)[0]) * (vec)[1]; \ - (r_vec)[1] = (mat2)[0] * (vec)[0] + (-(mat2)[1]) * (vec)[1]; \ -} ((void)0) +#define ROTATE_SINCOS(r_vec, mat2, vec) \ + { \ + (r_vec)[0] = (mat2)[1] * (vec)[0] + (+(mat2)[0]) * (vec)[1]; \ + (r_vec)[1] = (mat2)[0] * (vec)[0] + (-(mat2)[1]) * (vec)[1]; \ + } \ + ((void)0) /** * Expand the rectangle to fit a rotated \a src. */ void BLI_rctf_rotate_expand(rctf *dst, const rctf *src, const float angle) { - const float mat2[2] = {sinf(angle), cosf(angle)}; - const float cent[2] = {BLI_rctf_cent_x(src), BLI_rctf_cent_y(src)}; - float corner[2], corner_rot[2], corder_max[2]; + const float mat2[2] = {sinf(angle), cosf(angle)}; + const float cent[2] = {BLI_rctf_cent_x(src), BLI_rctf_cent_y(src)}; + float corner[2], corner_rot[2], corder_max[2]; - /* x is same for both corners */ - corner[0] = src->xmax - cent[0]; - corner[1] = src->ymax - cent[1]; - ROTATE_SINCOS(corner_rot, mat2, corner); - corder_max[0] = fabsf(corner_rot[0]); - corder_max[1] = fabsf(corner_rot[1]); + /* x is same for both corners */ + corner[0] = src->xmax - cent[0]; + corner[1] = src->ymax - cent[1]; + ROTATE_SINCOS(corner_rot, mat2, corner); + corder_max[0] = fabsf(corner_rot[0]); + corder_max[1] = fabsf(corner_rot[1]); - corner[1] *= -1; - ROTATE_SINCOS(corner_rot, mat2, corner); - corder_max[0] = MAX2(corder_max[0], fabsf(corner_rot[0])); - corder_max[1] = MAX2(corder_max[1], fabsf(corner_rot[1])); + corner[1] *= -1; + ROTATE_SINCOS(corner_rot, mat2, corner); + corder_max[0] = MAX2(corder_max[0], fabsf(corner_rot[0])); + corder_max[1] = MAX2(corder_max[1], fabsf(corner_rot[1])); - dst->xmin = cent[0] - corder_max[0]; - dst->xmax = cent[0] + corder_max[0]; - dst->ymin = cent[1] - corder_max[1]; - dst->ymax = cent[1] + corder_max[1]; + dst->xmin = cent[0] - corder_max[0]; + dst->xmax = cent[0] + corder_max[0]; + dst->ymin = cent[1] - corder_max[1]; + dst->ymax = cent[1] + corder_max[1]; } #undef ROTATE_SINCOS @@ -813,9 +978,9 @@ void BLI_rctf_rotate_expand(rctf *dst, const rctf *src, const float angle) static void unit_m4(float m[4][4]) { - m[0][0] = m[1][1] = m[2][2] = m[3][3] = 1.0f; - m[0][1] = m[0][2] = m[0][3] = 0.0f; - m[1][0] = m[1][2] = m[1][3] = 0.0f; - m[2][0] = m[2][1] = m[2][3] = 0.0f; - m[3][0] = m[3][1] = m[3][2] = 0.0f; + m[0][0] = m[1][1] = m[2][2] = m[3][3] = 1.0f; + m[0][1] = m[0][2] = m[0][3] = 0.0f; + m[1][0] = m[1][2] = m[1][3] = 0.0f; + m[2][0] = m[2][1] = m[2][3] = 0.0f; + m[3][0] = m[3][1] = m[3][2] = 0.0f; } |