Frox/Vektor
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fix: shrink buffers when unused fraction gets too large

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This commit is contained in:
Froxwin
2026-03-10 14:48:55 +00:00
parent 2d6746c99c
commit 143a33558d
9 changed files with 229 additions and 215 deletions
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32
src/core/primitives.c
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@@ -17,6 +17,11 @@ void vektor_polyline_add_point(VektorPolyline* pl, V2 point) {
pl->points = realloc(pl->points, sizeof(V2) * pl->capacity);
}
pl->points[pl->count++] = point;
if (pl->count <= pl->capacity / 4) {
pl->capacity /= 2;
pl->points = realloc(pl->points, sizeof(V2) * pl->capacity);
}
}
void vektor_polyline_free(VektorPolyline* pl) {
@@ -40,6 +45,11 @@ void vektor_polygon_add_point(VektorPolygon* pg, V2 point) {
pg->points = realloc(pg->points, sizeof(V2) * pg->capacity);
}
pg->points[pg->count++] = point;
if (pg->count <= pg->capacity / 4) {
pg->capacity /= 2;
pg->points = realloc(pg->points, sizeof(V2) * pg->capacity);
}
}
void vektor_polygon_free(VektorPolygon* pg) {
@@ -63,9 +73,7 @@ void vektor_rectangle_set_start(VektorRectangle* rct, V2 point) {
rct->start = point;
}
void vektor_rectangle_free(VektorRectangle* rct) {
free(rct);
}
void vektor_rectangle_free(VektorRectangle* rct) { free(rct); }
void vektor_shapebuffer_add_shape(VektorShapeBuffer* buffer,
VektorShape shape) {
@@ -75,6 +83,12 @@ void vektor_shapebuffer_add_shape(VektorShapeBuffer* buffer,
realloc(buffer->shapes, sizeof(VektorShape) * buffer->capacity);
}
buffer->shapes[buffer->count++] = shape;
if (buffer->count <= buffer->capacity / 4) {
buffer->capacity /= 2;
buffer->shapes =
realloc(buffer->shapes, sizeof(VektorShape) * buffer->capacity);
}
}
VektorBBox vektor_polyline_get_bbox(VektorPrimitive prim) {
@@ -136,17 +150,21 @@ VektorBBox vektor_primitive_get_bbox(VektorPrimitive prim) {
}
bool vektor_bbox_isinside(VektorBBox bbox, V2 point) {
return point.x >= bbox.min.x && point.y >= bbox.min.y
&& point.x <= bbox.max.x && point.y <= bbox.max.y;
return point.x >= bbox.min.x && point.y >= bbox.min.y &&
point.x <= bbox.max.x && point.y <= bbox.max.y;
}
VektorShape vektor_shape_new(VektorPrimitive prim, VektorStyle style,
int z_index) {
return (VektorShape){.primitive = prim, .style = style, .z_index = z_index, .bbox=vektor_primitive_get_bbox(prim)};
return (VektorShape){.primitive = prim,
.style = style,
.z_index = z_index,
.bbox = vektor_primitive_get_bbox(prim)};
}
void vektor_shapes_update_bbox(VektorShapeBuffer* buffer) {
for (size_t i = 0; i < buffer->count; i++) {
buffer->shapes[i].bbox = vektor_primitive_get_bbox(buffer->shapes[i].primitive);
buffer->shapes[i].bbox =
vektor_primitive_get_bbox(buffer->shapes[i].primitive);
}
}