PicoGraphics: Use std:: prefix, fix some type issues.

libraries/pico_graphics/pretty-poly-types.hpp

@@ -2,8 +2,6 @@
 #include <cstdint>
 #include <math.h>
 
-using namespace std;
-
 #ifdef PP_DEBUG
 #define debug(...) printf(__VA_ARGS__)
 #else
@@ -81,14 +79,14 @@ namespace pretty_poly {
     rect_t(int x, int y, int w, int h) : x(x), y(y), w(w), h(h) {}
     bool empty() const {return this->w == 0 && this->h == 0;}
     rect_t intersection(const rect_t &c) {
-      return rect_t(max(this->x, c.x), max(this->y, c.y),
-        max(0, min(this->x + this->w, c.x + c.w) - max(this->x, c.x)),
-        max(0, min(this->y + this->h, c.y + c.h) - max(this->y, c.y)));
+      return rect_t(std::max(this->x, c.x), std::max(this->y, c.y),
+        std::max(0, std::min(this->x + this->w, c.x + c.w) - std::max(this->x, c.x)),
+        std::max(0, std::min(this->y + this->h, c.y + c.h) - std::max(this->y, c.y)));
     }
     rect_t merge(const rect_t &c) {
-      return rect_t(min(this->x, c.x), min(this->y, c.y),
-        max(this->x + this->w, c.x + c.w) - min(this->x, c.x),
-        max(this->y + this->h, c.y + c.h) - min(this->y, c.y));
+      return rect_t(std::min(this->x, c.x), std::min(this->y, c.y),
+        std::max(this->x + this->w, c.x + c.w) - std::min(this->x, c.x),
+        std::max(this->y + this->h, c.y + c.h) - std::min(this->y, c.y));
     }
   };
 
@@ -110,17 +108,17 @@ namespace pretty_poly {
     unsigned count;
 
     contour_t() {}
-    contour_t(vector<point_t<T>> v) : points(v.data()), count(v.size()) {};
+    contour_t(std::vector<point_t<T>> v) : points(v.data()), count(v.size()) {};
     contour_t(point_t<T> *points, unsigned count) : points(points), count(count) {};
 
     rect_t bounds() {
       T minx = this->points[0].x, maxx = minx;
       T miny = this->points[0].y, maxy = miny;
       for(auto i = 1u; i < this->count; i++) {
-        minx = min(minx, this->points[i].x);
-        miny = min(miny, this->points[i].y);
-        maxx = max(maxx, this->points[i].x); 
-        maxy = max(maxy, this->points[i].y);
+        minx = std::min(minx, this->points[i].x);
+        miny = std::min(miny, this->points[i].y);
+        maxx = std::max(maxx, this->points[i].x); 
+        maxy = std::max(maxy, this->points[i].y);
       }
       return rect_t(minx, miny, maxx - minx, maxy - miny);
     }

libraries/pico_graphics/pretty-poly.hpp

@@ -5,9 +5,6 @@
 #include <new>
 
 
-
-using namespace std;
-
 #ifdef PP_DEBUG
 #define debug(...) printf(__VA_ARGS__)
 #else
@@ -92,8 +89,8 @@ namespace pretty_poly {
     int sx = start.x, sy = start.y, ex = end.x, ey = end.y;
 
     if(ey < sy) {
-      swap(sy, ey);
-      swap(sx, ex);
+      std::swap(sy, ey);
+      std::swap(sx, ex);
     }
 
     /*sx <<= settings::antialias;
@@ -120,7 +117,7 @@ namespace pretty_poly {
 
       if(y >= 0 && y < (int)node_buffer_size) {  
         // clamp node x value to tile bounds
-        int nx = max(min(x, (int)(tile_bounds.w << settings::antialias)), 0);        
+        int nx = std::max(std::min(x, (int)(tile_bounds.w << settings::antialias)), 0);        
         debug("      + adding node at %d, %d\n", x, y);
         // add node to node list
         nodes[y][node_counts[y]++] = nx;

micropython/modules/picographics/picographics.cpp

@@ -309,7 +309,7 @@ mp_obj_t ModPicoGraphics_make_new(const mp_obj_type_t *type, size_t n_args, size
         _PimoroniBus_obj_t *bus = (_PimoroniBus_obj_t *)MP_OBJ_TO_PTR(args[ARG_bus].u_obj);
         parallel_bus = *(ParallelPins *)(bus->pins);
 
-    } else if (mp_obj_is_exact_type(args[ARG_bus].u_obj, &PimoroniI2C_type) || mp_obj_is_exact_type(args[ARG_bus].u_obj, &machine_hw_i2c_type)) {
+    } else if (mp_obj_is_exact_type(args[ARG_bus].u_obj, &PimoroniI2C_type) || mp_obj_is_exact_type(args[ARG_bus].u_obj, &machine_i2c_type)) {
         if(bus_type != BUS_I2C) mp_raise_ValueError("unexpected I2C bus!");
         self->i2c = PimoroniI2C_from_machine_i2c_or_native(args[ARG_bus].u_obj);
         i2c_bus = (pimoroni::I2C *)(self->i2c->i2c);
@@ -1041,7 +1041,7 @@ mp_obj_t ModPicoGraphics_pretty_polygon(size_t n_args, const mp_obj_t *pos_args,
 
     std::vector<pretty_poly::contour_t<int>> contours;
 
-    for(auto i = 0; i < num_tuples; i++) {
+    for(auto i = 0u; i < num_tuples; i++) {
         mp_obj_t c_obj = lists[i];
 
         if(!mp_obj_is_exact_type(c_obj, &mp_type_list)) mp_raise_ValueError("Not a list");
@@ -1050,7 +1050,7 @@ mp_obj_t ModPicoGraphics_pretty_polygon(size_t n_args, const mp_obj_t *pos_args,
 
         pretty_poly::point_t<int> *points = new pretty_poly::point_t<int>[t_contour->len];
 
-        for(auto p = 0; p < t_contour->len; p++) {
+        for(auto p = 0u; p < t_contour->len; p++) {
             mp_obj_t p_obj = t_contour->items[p];
 
             if(!mp_obj_is_exact_type(p_obj, &mp_type_tuple)) mp_raise_ValueError("Not a tuple");