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pimoroni-pico/micropython/modules/picographics/picographics.cpp

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#include "drivers/st7789/st7789.hpp"
#include "drivers/st7735/st7735.hpp"
#include "libraries/pico_graphics/pico_graphics.hpp"
#include "common/pimoroni_common.hpp"
#include "common/pimoroni_bus.hpp"
#include "micropython/modules/util.hpp"
using namespace pimoroni;
extern "C" {
#include "picographics.h"
#include "micropython/modules/pimoroni_bus/pimoroni_bus.h"
#include "py/stream.h"
#include "py/reader.h"
#include "extmod/vfs.h"
std::string mp_obj_to_string_r(const mp_obj_t &obj) {
if(mp_obj_is_str_or_bytes(obj)) {
GET_STR_DATA_LEN(obj, str, str_len);
return (const char*)str;
}
mp_raise_TypeError("can't convert object to str implicitly");
}
typedef struct _ModPicoGraphics_obj_t {
mp_obj_base_t base;
PicoGraphics *graphics;
DisplayDriver *display;
void *spritedata;
void *buffer;
//mp_obj_t scanline_callback; // Not really feasible in MicroPython
} ModPicoGraphics_obj_t;
bool get_display_settings(PicoGraphicsDisplay display, int &width, int &height, int &rotate) {
switch(display) {
case DISPLAY_PICO_DISPLAY:
width = 240;
height = 135;
// Portrait to match labelling
if(rotate == -1) rotate = (int)Rotation::ROTATE_270;
break;
case DISPLAY_PICO_DISPLAY_2:
case DISPLAY_TUFTY_2040:
width = 320;
height = 240;
// Tufty display is upside-down
if(rotate == -1) rotate = (int)Rotation::ROTATE_180;
break;
case DISPLAY_PICO_EXPLORER:
case DISPLAY_LCD_240X240:
case DISPLAY_ENVIRO_PLUS:
width = 240;
height = 240;
break;
case DISPLAY_ROUND_LCD_240X240:
width = 240;
height = 240;
break;
case DISPLAY_LCD_160X80:
width = 160;
height = 80;
break;
default:
return false;
}
return true;
}
size_t get_required_buffer_size(PicoGraphicsPenType pen_type, uint width, uint height) {
switch(pen_type) {
case PEN_P4:
return PicoGraphics_PenP4::buffer_size(width, height);
case PEN_P8:
return PicoGraphics_PenP8::buffer_size(width, height);
case PEN_RGB332:
return PicoGraphics_PenRGB332::buffer_size(width, height);
case PEN_RGB565:
return PicoGraphics_PenRGB565::buffer_size(width, height);
default:
return 0;
}
}
mp_obj_t ModPicoGraphics_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
ModPicoGraphics_obj_t *self = nullptr;
enum { ARG_display, ARG_rotate, ARG_bus, ARG_buffer, ARG_pen_type };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_display, MP_ARG_INT | MP_ARG_REQUIRED },
{ MP_QSTR_rotate, MP_ARG_INT, { .u_int = -1 } },
{ MP_QSTR_bus, MP_ARG_OBJ, { .u_obj = mp_const_none } },
{ MP_QSTR_buffer, MP_ARG_OBJ, { .u_obj = mp_const_none } },
{ MP_QSTR_pen_type, MP_ARG_INT, { .u_int = PEN_RGB332 } },
};
// Parse args.
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
self = m_new_obj(ModPicoGraphics_obj_t);
self->base.type = &ModPicoGraphics_type;
PicoGraphicsPenType pen_type = (PicoGraphicsPenType)args[ARG_pen_type].u_int;
PicoGraphicsDisplay display = (PicoGraphicsDisplay)args[ARG_display].u_int;
bool round = display == DISPLAY_ROUND_LCD_240X240;
int width = 0;
int height = 0;
int rotate = args[ARG_rotate].u_int;
if(!get_display_settings(display, width, height, rotate)) mp_raise_ValueError("Unsupported display!");
if(rotate == -1) rotate = (int)Rotation::ROTATE_0;
// Try to create an appropriate display driver
if (display == DISPLAY_TUFTY_2040) {
if (args[ARG_bus].u_obj == mp_const_none) {
self->display = m_new_class(ST7789, width, height, (Rotation)rotate, {10, 11, 12, 13, 14, 2});
} else if (mp_obj_is_type(args[ARG_bus].u_obj, &ParallelPins_type)) {
_PimoroniBus_obj_t *bus = (_PimoroniBus_obj_t *)MP_OBJ_TO_PTR(args[ARG_bus].u_obj);
self->display = m_new_class(ST7789, width, height, (Rotation)rotate, *(ParallelPins *)(bus->pins));
} else {
mp_raise_ValueError("ParallelBus expected!");
}
} else if (display == DISPLAY_LCD_160X80) {
if (args[ARG_bus].u_obj == mp_const_none) {
self->display = m_new_class(ST7735, width, height, get_spi_pins(BG_SPI_FRONT));
} else if (mp_obj_is_type(args[ARG_bus].u_obj, &SPIPins_type)) {
_PimoroniBus_obj_t *bus = (_PimoroniBus_obj_t *)MP_OBJ_TO_PTR(args[ARG_bus].u_obj);
self->display = m_new_class(ST7735, width, height, *(SPIPins *)(bus->pins));
} else {
mp_raise_ValueError("SPIBus expected!");
}
} else {
if (args[ARG_bus].u_obj == mp_const_none) {
self->display = m_new_class(ST7789, width, height, (Rotation)rotate, round, get_spi_pins(BG_SPI_FRONT));
} else if (mp_obj_is_type(args[ARG_bus].u_obj, &SPIPins_type)) {
_PimoroniBus_obj_t *bus = (_PimoroniBus_obj_t *)MP_OBJ_TO_PTR(args[ARG_bus].u_obj);
self->display = m_new_class(ST7789, width, height, (Rotation)rotate, round, *(SPIPins *)(bus->pins));
} else {
mp_raise_ValueError("SPIBus expected!");
}
}
// Create or fetch buffer
size_t required_size = get_required_buffer_size((PicoGraphicsPenType)pen_type, width, height);
if(required_size == 0) mp_raise_ValueError("Unsupported pen type!");
if (args[ARG_buffer].u_obj != mp_const_none) {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(args[ARG_buffer].u_obj, &bufinfo, MP_BUFFER_RW);
self->buffer = bufinfo.buf;
if(bufinfo.len < (size_t)(required_size)) {
mp_raise_ValueError("Supplied buffer is too small!");
}
} else {
self->buffer = m_new(uint8_t, required_size);
}
// Create an instance of the graphics library
// use the *driver* width/height because they may have been swapped due to rotation
switch(pen_type) {
case PEN_P4:
self->graphics = m_new_class(PicoGraphics_PenP4, self->display->width, self->display->height, self->buffer);
break;
case PEN_P8:
self->graphics = m_new_class(PicoGraphics_PenP8, self->display->width, self->display->height, self->buffer);
break;
case PEN_RGB332:
self->graphics = m_new_class(PicoGraphics_PenRGB332, self->display->width, self->display->height, self->buffer);
break;
case PEN_RGB565:
self->graphics = m_new_class(PicoGraphics_PenRGB565, self->display->width, self->display->height, self->buffer);
break;
default:
break;
}
//self->scanline_callback = mp_const_none;
self->spritedata = nullptr;
// Clear the buffer
self->graphics->set_pen(0);
self->graphics->clear();
// Update the LCD from the graphics library
self->display->update(self->graphics);
return MP_OBJ_FROM_PTR(self);
}
mp_obj_t ModPicoGraphics_set_spritesheet(mp_obj_t self_in, mp_obj_t spritedata) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
if(spritedata == mp_const_none) {
self->spritedata = nullptr;
} else {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(spritedata, &bufinfo, MP_BUFFER_RW);
int required_size = get_required_buffer_size((PicoGraphicsPenType)self->graphics->pen_type, 128, 128);
if(bufinfo.len != (size_t)(required_size)) {
mp_raise_ValueError("Spritesheet the wrong size!");
}
self->spritedata = bufinfo.buf;
}
return mp_const_none;
}
mp_obj_t ModPicoGraphics_load_spritesheet(mp_obj_t self_in, mp_obj_t filename) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
mp_obj_t args[2] = {
filename,
MP_OBJ_NEW_QSTR(MP_QSTR_r),
};
// Stat the file to get its size
// example tuple response: (32768, 0, 0, 0, 0, 0, 5153, 1654709815, 1654709815, 1654709815)
mp_obj_t stat = mp_vfs_stat(filename);
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR2(stat, mp_obj_tuple_t);
size_t filesize = mp_obj_get_int(tuple->items[6]);
mp_buffer_info_t bufinfo;
bufinfo.buf = (void *)m_new(uint8_t, filesize);
mp_obj_t file = mp_vfs_open(MP_ARRAY_SIZE(args), &args[0], (mp_map_t *)&mp_const_empty_map);
int errcode;
bufinfo.len = mp_stream_rw(file, bufinfo.buf, filesize, &errcode, MP_STREAM_RW_READ | MP_STREAM_RW_ONCE);
if (errcode != 0) {
mp_raise_msg(&mp_type_RuntimeError, MP_ERROR_TEXT("Failed to open sprite file!"));
}
self->spritedata = bufinfo.buf;
return mp_const_none;
}
mp_obj_t ModPicoGraphics_sprite(size_t n_args, const mp_obj_t *args) {
enum { ARG_self, ARG_sprite_x, ARG_sprite_y, ARG_x, ARG_y, ARG_scale, ARG_transparent };
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self], ModPicoGraphics_obj_t);
if(self->spritedata == nullptr) return mp_const_false;
int scale = 1;
int transparent = 0;
if(n_args >= 6) scale = mp_obj_get_int(args[ARG_scale]);
if(n_args >= 7) transparent = mp_obj_get_int(args[ARG_transparent]);
self->graphics->sprite(
self->spritedata,
{mp_obj_get_int(args[ARG_sprite_x]), mp_obj_get_int(args[ARG_sprite_y])},
{mp_obj_get_int(args[ARG_x]), mp_obj_get_int(args[ARG_y])},
scale,
transparent
);
return mp_const_true;
}
mp_obj_t ModPicoGraphics_set_font(mp_obj_t self_in, mp_obj_t font) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
self->graphics->set_font(mp_obj_to_string_r(font));
return mp_const_none;
}
mp_int_t ModPicoGraphics_get_framebuffer(mp_obj_t self_in, mp_buffer_info_t *bufinfo, mp_uint_t flags) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
(void)flags;
bufinfo->buf = self->graphics->frame_buffer;
bufinfo->len = get_required_buffer_size((PicoGraphicsPenType)self->graphics->pen_type, self->graphics->bounds.w, self->graphics->bounds.h);
bufinfo->typecode = 'B';
return 0;
}
mp_obj_t ModPicoGraphics_set_framebuffer(mp_obj_t self_in, mp_obj_t framebuffer) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
if (framebuffer == mp_const_none) {
m_del(uint8_t, self->buffer, self->graphics->bounds.w * self->graphics->bounds.h);
self->buffer = nullptr;
self->graphics->set_framebuffer(nullptr);
} else {
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(framebuffer, &bufinfo, MP_BUFFER_RW);
// This should have no effect if you try to replace the framebuffer with itself
// but it will free up a buffer that has no other references
if(self->buffer != nullptr) {
m_del(uint8_t, self->buffer, self->graphics->bounds.w * self->graphics->bounds.h);
}
self->buffer = bufinfo.buf;
self->graphics->set_framebuffer(self->buffer);
}
return mp_const_none;
}
mp_obj_t ModPicoGraphics_get_required_buffer_size(mp_obj_t display_in, mp_obj_t pen_type_in) {
PicoGraphicsPenType pen_type = (PicoGraphicsPenType)mp_obj_get_int(pen_type_in);
PicoGraphicsDisplay display = (PicoGraphicsDisplay)mp_obj_get_int(display_in);
int width = 0;
int height = 0;
int rotation = 0;
if(!get_display_settings(display, width, height, rotation)) mp_raise_ValueError("Unsupported display!");
size_t required_size = get_required_buffer_size(pen_type, width, height);
if(required_size == 0) mp_raise_ValueError("Unsupported pen type!");
return mp_obj_new_int(required_size);
}
mp_obj_t ModPicoGraphics_get_bounds(mp_obj_t self_in) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
mp_obj_t tuple[2] = {
mp_obj_new_int(self->graphics->bounds.w),
mp_obj_new_int(self->graphics->bounds.h)
};
return mp_obj_new_tuple(2, tuple);
}
/*
mp_obj_t ModPicoGraphics_set_scanline_callback(mp_obj_t self_in, mp_obj_t cb_in) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
self->scanline_callback = cb_in;
return mp_const_none;
}
*/
mp_obj_t ModPicoGraphics_update(mp_obj_t self_in) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
/*
if(self->scanline_callback != mp_const_none) {
self->graphics->scanline_interrupt = [self](int y){
mp_obj_t args[] = {
mp_obj_new_int(y)
};
mp_call_function_n_kw(self->scanline_callback, MP_ARRAY_SIZE(args), 0, args);
};
} else {
self->graphics->scanline_interrupt = nullptr;
}
*/
self->display->update(self->graphics);
return mp_const_none;
}
mp_obj_t ModPicoGraphics_set_backlight(mp_obj_t self_in, mp_obj_t brightness) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
float b = mp_obj_get_float(brightness);
if(b < 0 || b > 1.0f) mp_raise_ValueError("brightness out of range. Expected 0.0 to 1.0");
self->display->set_backlight((uint8_t)(b * 255.0f));
return mp_const_none;
}
mp_obj_t ModPicoGraphics_module_RGB332_to_RGB(mp_obj_t rgb332) {
RGB c((RGB332)mp_obj_get_int(rgb332));
mp_obj_t t[] = {
mp_obj_new_int(c.r),
mp_obj_new_int(c.g),
mp_obj_new_int(c.b),
};
return mp_obj_new_tuple(3, t);
}
mp_obj_t ModPicoGraphics_module_RGB565_to_RGB(mp_obj_t rgb565) {
RGB c((RGB565)mp_obj_get_int(rgb565));
mp_obj_t t[] = {
mp_obj_new_int(c.r),
mp_obj_new_int(c.g),
mp_obj_new_int(c.b),
};
return mp_obj_new_tuple(3, t);
}
mp_obj_t ModPicoGraphics_module_RGB_to_RGB332(mp_obj_t r, mp_obj_t g, mp_obj_t b) {
return mp_obj_new_int(RGB(
mp_obj_get_int(r),
mp_obj_get_int(g),
mp_obj_get_int(b)
).to_rgb332());
}
mp_obj_t ModPicoGraphics_module_RGB_to_RGB565(mp_obj_t r, mp_obj_t g, mp_obj_t b) {
return mp_obj_new_int(RGB(
mp_obj_get_int(r),
mp_obj_get_int(g),
mp_obj_get_int(b)
).to_rgb565());
}
mp_obj_t ModPicoGraphics_set_pen(mp_obj_t self_in, mp_obj_t pen) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
self->graphics->set_pen(mp_obj_get_int(pen));
return mp_const_none;
}
mp_obj_t ModPicoGraphics_reset_pen(mp_obj_t self_in, mp_obj_t pen) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
self->graphics->reset_pen(mp_obj_get_int(pen));
return mp_const_none;
}
mp_obj_t ModPicoGraphics_update_pen(size_t n_args, const mp_obj_t *args) {
enum { ARG_self, ARG_i, ARG_r, ARG_g, ARG_b };
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self], ModPicoGraphics_obj_t);
self->graphics->update_pen(
mp_obj_get_int(args[ARG_i]) & 0xff,
mp_obj_get_int(args[ARG_r]) & 0xff,
mp_obj_get_int(args[ARG_g]) & 0xff,
mp_obj_get_int(args[ARG_b]) & 0xff
);
return mp_const_none;
}
mp_obj_t ModPicoGraphics_create_pen(size_t n_args, const mp_obj_t *args) {
enum { ARG_self, ARG_r, ARG_g, ARG_b };
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self], ModPicoGraphics_obj_t);
int result = self->graphics->create_pen(
mp_obj_get_int(args[ARG_r]) & 0xff,
mp_obj_get_int(args[ARG_g]) & 0xff,
mp_obj_get_int(args[ARG_b]) & 0xff
);
if (result == -1) mp_raise_ValueError("create_pen failed. No matching colour or space in palette!");
return mp_obj_new_int(result);
}
mp_obj_t ModPicoGraphics_set_palette(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
size_t num_tuples = n_args - 1;
const mp_obj_t *tuples = pos_args + 1;
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(pos_args[0], ModPicoGraphics_obj_t);
// Check if there is only one argument, which might be a list
if(n_args == 2) {
if(mp_obj_is_type(pos_args[1], &mp_type_list)) {
mp_obj_list_t *points = MP_OBJ_TO_PTR2(pos_args[1], mp_obj_list_t);
if(points->len <= 0) mp_raise_ValueError("set_palette(): cannot provide an empty list");
num_tuples = points->len;
tuples = points->items;
}
else {
mp_raise_TypeError("set_palette(): can't convert object to list");
}
}
for(size_t i = 0; i < num_tuples; i++) {
mp_obj_t obj = tuples[i];
if(!mp_obj_is_type(obj, &mp_type_tuple)) mp_raise_ValueError("set_palette(): can't convert object to tuple");
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR2(obj, mp_obj_tuple_t);
if(tuple->len != 3) mp_raise_ValueError("set_palette(): tuple must contain R, G, B values");
self->graphics->update_pen(
i,
mp_obj_get_int(tuple->items[0]),
mp_obj_get_int(tuple->items[1]),
mp_obj_get_int(tuple->items[2])
);
}
return mp_const_none;
}
mp_obj_t ModPicoGraphics_set_clip(size_t n_args, const mp_obj_t *args) {
enum { ARG_self, ARG_x, ARG_y, ARG_w, ARG_h };
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self], ModPicoGraphics_obj_t);
self->graphics->set_clip({
mp_obj_get_int(args[ARG_x]),
mp_obj_get_int(args[ARG_y]),
mp_obj_get_int(args[ARG_w]),
mp_obj_get_int(args[ARG_h])
});
return mp_const_none;
}
mp_obj_t ModPicoGraphics_remove_clip(mp_obj_t self_in) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
self->graphics->remove_clip();
return mp_const_none;
}
mp_obj_t ModPicoGraphics_clear(mp_obj_t self_in) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
self->graphics->clear();
return mp_const_none;
}
mp_obj_t ModPicoGraphics_pixel(mp_obj_t self_in, mp_obj_t x, mp_obj_t y) {
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(self_in, ModPicoGraphics_obj_t);
self->graphics->pixel({
mp_obj_get_int(x),
mp_obj_get_int(y)
});
return mp_const_none;
}
mp_obj_t ModPicoGraphics_pixel_span(size_t n_args, const mp_obj_t *args) {
enum { ARG_self, ARG_x, ARG_y, ARG_l };
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self], ModPicoGraphics_obj_t);
self->graphics->pixel_span({
mp_obj_get_int(args[ARG_x]),
mp_obj_get_int(args[ARG_y])
}, mp_obj_get_int(args[ARG_l]));
return mp_const_none;
}
mp_obj_t ModPicoGraphics_rectangle(size_t n_args, const mp_obj_t *args) {
enum { ARG_self, ARG_x, ARG_y, ARG_w, ARG_h };
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self], ModPicoGraphics_obj_t);
self->graphics->rectangle({
mp_obj_get_int(args[ARG_x]),
mp_obj_get_int(args[ARG_y]),
mp_obj_get_int(args[ARG_w]),
mp_obj_get_int(args[ARG_h])
});
return mp_const_none;
}
mp_obj_t ModPicoGraphics_circle(size_t n_args, const mp_obj_t *args) {
enum { ARG_self, ARG_x, ARG_y, ARG_r };
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self], ModPicoGraphics_obj_t);
self->graphics->circle({
mp_obj_get_int(args[ARG_x]),
mp_obj_get_int(args[ARG_y])
}, mp_obj_get_int(args[ARG_r]));
return mp_const_none;
}
mp_obj_t ModPicoGraphics_character(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_char, ARG_x, ARG_y, ARG_scale };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_char, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_x, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_y, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_scale, MP_ARG_INT, {.u_int = 2} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, ModPicoGraphics_obj_t);
int c = mp_obj_get_int(args[ARG_char].u_obj);
int x = args[ARG_x].u_int;
int y = args[ARG_y].u_int;
int scale = args[ARG_scale].u_int;
self->graphics->character((char)c, Point(x, y), scale);
return mp_const_none;
}
mp_obj_t ModPicoGraphics_text(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_text, ARG_x, ARG_y, ARG_wrap, ARG_scale, ARG_angle, ARG_spacing };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_text, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_x1, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_y1, MP_ARG_REQUIRED | MP_ARG_INT },
{ MP_QSTR_wordwrap, MP_ARG_INT, {.u_int = __INT32_MAX__} }, // Sort-of a fudge, but wide-enough to avoid wrapping on any display size
{ MP_QSTR_scale, MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_angle, MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_spacing, MP_ARG_INT, {.u_int = 1} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, ModPicoGraphics_obj_t);
mp_obj_t text_obj = args[ARG_text].u_obj;
if(!mp_obj_is_str_or_bytes(text_obj)) mp_raise_TypeError("text: string required");
GET_STR_DATA_LEN(text_obj, str, str_len);
std::string t((const char*)str);
int x = args[ARG_x].u_int;
int y = args[ARG_y].u_int;
int wrap = args[ARG_wrap].u_int;
float scale = args[ARG_scale].u_obj == mp_const_none ? 2.0f : mp_obj_get_float(args[ARG_scale].u_obj);
int angle = args[ARG_angle].u_int;
int letter_spacing = args[ARG_spacing].u_int;
self->graphics->text(t, Point(x, y), wrap, scale, angle, letter_spacing);
return mp_const_none;
}
mp_obj_t ModPicoGraphics_measure_text(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum { ARG_self, ARG_text, ARG_scale, ARG_spacing };
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_text, MP_ARG_REQUIRED | MP_ARG_OBJ },
{ MP_QSTR_scale, MP_ARG_OBJ, {.u_obj = mp_const_none} },
{ MP_QSTR_spacing, MP_ARG_INT, {.u_int = 1} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, ModPicoGraphics_obj_t);
mp_obj_t text_obj = args[ARG_text].u_obj;
if(!mp_obj_is_str_or_bytes(text_obj)) mp_raise_TypeError("text: string required");
GET_STR_DATA_LEN(text_obj, str, str_len);
std::string t((const char*)str);
float scale = args[ARG_scale].u_obj == mp_const_none ? 2.0f : mp_obj_get_float(args[ARG_scale].u_obj);
int letter_spacing = args[ARG_spacing].u_int;
int width = self->graphics->measure_text(t, scale, letter_spacing);
return mp_obj_new_int(width);
}
mp_obj_t ModPicoGraphics_polygon(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
size_t num_tuples = n_args - 1;
const mp_obj_t *tuples = pos_args + 1;
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(pos_args[0], ModPicoGraphics_obj_t);
// Check if there is only one argument, which might be a list
if(n_args == 2) {
if(mp_obj_is_type(pos_args[1], &mp_type_list)) {
mp_obj_list_t *points = MP_OBJ_TO_PTR2(pos_args[1], mp_obj_list_t);
if(points->len <= 0) mp_raise_ValueError("poly(): cannot provide an empty list");
num_tuples = points->len;
tuples = points->items;
}
else {
mp_raise_TypeError("poly(): can't convert object to list");
}
}
if(num_tuples > 0) {
std::vector<Point> points;
for(size_t i = 0; i < num_tuples; i++) {
mp_obj_t obj = tuples[i];
if(!mp_obj_is_type(obj, &mp_type_tuple)) mp_raise_ValueError("poly(): can't convert object to tuple");
mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR2(obj, mp_obj_tuple_t);
if(tuple->len != 2) mp_raise_ValueError("poly(): tuple must only contain two numbers");
points.push_back({
mp_obj_get_int(tuple->items[0]),
mp_obj_get_int(tuple->items[1])
});
}
self->graphics->polygon(points);
}
return mp_const_none;
}
mp_obj_t ModPicoGraphics_triangle(size_t n_args, const mp_obj_t *args) {
enum { ARG_self, ARG_x1, ARG_y1, ARG_x2, ARG_y2, ARG_x3, ARG_y3 };
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self], ModPicoGraphics_obj_t);
self->graphics->triangle(
{mp_obj_get_int(args[ARG_x1]),
mp_obj_get_int(args[ARG_y1])},
{mp_obj_get_int(args[ARG_x2]),
mp_obj_get_int(args[ARG_y2])},
{mp_obj_get_int(args[ARG_x3]),
mp_obj_get_int(args[ARG_y3])}
);
return mp_const_none;
}
mp_obj_t ModPicoGraphics_line(size_t n_args, const mp_obj_t *args) {
enum { ARG_self, ARG_x1, ARG_y1, ARG_x2, ARG_y2 };
ModPicoGraphics_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self], ModPicoGraphics_obj_t);
self->graphics->line(
{mp_obj_get_int(args[ARG_x1]),
mp_obj_get_int(args[ARG_y1])},
{mp_obj_get_int(args[ARG_x2]),
mp_obj_get_int(args[ARG_y2])}
);
return mp_const_none;
}
}
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