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arch(draw): add parallel rendering architecture

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BREAKING CHANGE

This is a huge update which introduces parallel rendering. lv_conf.h needs to be updated too.
This commit is contained in:
Gabor Kiss-Vamosi
2023-07-05 13:05:19 +02:00
parent 08870996d1
commit f753265a79
637 changed files with 34425 additions and 35325 deletions
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113
examples/widgets/chart/lv_example_chart_2.py
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@@ -1,112 +1 @@
def draw_event_cb(e):
obj = e.get_target_obj()
# Add the faded area before the lines are drawn
# dsc = lv.obj_draw_part_dsc_t.__cast__(e.get_param())
dsc = e.get_draw_part_dsc()
if dsc.part == lv.PART.ITEMS:
if not dsc.p1 or not dsc.p2:
return
# Add a line mask that keeps the area below the line
line_mask_param = lv.draw_mask_line_param_t()
line_mask_param.points_init(dsc.p1.x, dsc.p1.y, dsc.p2.x, dsc.p2.y, lv.DRAW_MASK_LINE_SIDE.BOTTOM)
# line_mask_id = line_mask_param.draw_mask_add(None)
line_mask_id = lv.draw_mask_add(line_mask_param, None)
# Add a fade effect: transparent bottom covering top
h = obj.get_height()
fade_mask_param = lv.draw_mask_fade_param_t()
coords = lv.area_t()
obj.get_coords(coords)
fade_mask_param.init(coords, lv.OPA.COVER, coords.y1 + h // 8, lv.OPA.TRANSP,coords.y2)
fade_mask_id = lv.draw_mask_add(fade_mask_param,None)
# Draw a rectangle that will be affected by the mask
draw_rect_dsc = lv.draw_rect_dsc_t()
draw_rect_dsc.init()
draw_rect_dsc.bg_opa = lv.OPA._20
draw_rect_dsc.bg_color = dsc.line_dsc.color
a = lv.area_t()
a.x1 = dsc.p1.x
a.x2 = dsc.p2.x - 1
a.y1 = min(dsc.p1.y, dsc.p2.y)
coords = lv.area_t()
obj.get_coords(coords)
a.y2 = coords.y2
dsc.draw_ctx.rect(draw_rect_dsc, a)
# Remove the masks
lv.draw_mask_free_param(line_mask_param);
lv.draw_mask_free_param(fade_mask_param);
lv.draw_mask_remove_id(line_mask_id)
lv.draw_mask_remove_id(fade_mask_id)
# Hook the division lines too
elif dsc.part == lv.PART.MAIN:
if dsc.line_dsc == None or dsc.p1 == None or dsc.p2 == None:
return
# Vertical line
if dsc.p1.x == dsc.p2.x:
dsc.line_dsc.color = lv.palette_lighten(lv.PALETTE.GREY, 1)
if dsc.id == 3:
dsc.line_dsc.width = 2
dsc.line_dsc.dash_gap = 0
dsc.line_dsc.dash_width = 0
else :
dsc.line_dsc.width = 1
dsc.line_dsc.dash_gap = 6
dsc.line_dsc.dash_width = 6
# Horizontal line
else :
if dsc.id == 2:
dsc.line_dsc.width = 2
dsc.line_dsc.dash_gap = 0
dsc.line_dsc.dash_width = 0
else :
dsc.line_dsc.width = 2
dsc.line_dsc.dash_gap = 6
dsc.line_dsc.dash_width = 6
if dsc.id == 1 or dsc.id == 3 :
dsc.line_dsc.color = lv.palette_main(lv.PALETTE.GREEN)
else :
dsc.line_dsc.color = lv.palette_lighten(lv.PALETTE.GREY, 1)
def add_data(timer):
# LV_UNUSED(timer);
cnt = 0
chart1.set_next_value(ser1, lv.rand(20, 90))
if cnt % 4 == 0:
chart1.set_next_value(ser2, lv.rand(40, 60))
cnt +=1
#
# Add a faded area effect to the line chart
#
# Create a chart1
chart1 = lv.chart(lv.scr_act())
chart1.set_size(200, 150)
chart1.center()
chart1.set_type(lv.chart.TYPE.LINE) # Show lines and points too
chart1.set_div_line_count(5, 7)
chart1.add_event(draw_event_cb, lv.EVENT.DRAW_PART_BEGIN, None)
chart1.set_update_mode(lv.chart.UPDATE_MODE.CIRCULAR)
# Add two data series
ser1 = chart1.add_series(lv.palette_main(lv.PALETTE.RED), lv.chart.AXIS.PRIMARY_Y)
ser2 = chart1.add_series(lv.palette_main(lv.PALETTE.BLUE), lv.chart.AXIS.SECONDARY_Y)
for i in range(10):
chart1.set_next_value(ser1, lv.rand(20, 90))
chart1.set_next_value(ser2, lv.rand(30, 70))
timer = lv.timer_create(add_data, 200, None)
pass