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refact(draw_vector): standardized draw gradient API (#6344)

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Signed-off-by: FASTSHIFT <vifextech@foxmail.com>
Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>
This commit is contained in:
VIFEX
2024-06-20 18:31:21 +08:00
committed by GitHub
parent 37e4e4b4d0
commit e1547a126f
43 changed files with 767 additions and 574 deletions
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48
demos/vector_graphic/lv_demo_vector_graphic.c
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@@ -58,25 +58,23 @@ static void draw_gradient(lv_vector_dsc_t * ctx, lv_vector_path_t * path)
lv_vector_path_quad_to(path, &pts[1], &pts[2]);
lv_vector_path_close(path);
lv_grad_dsc_t grad;
grad.dir = LV_GRAD_DIR_HOR;
grad.stops_count = 2;
grad.stops[0].color = lv_color_hex(0xff0000);
grad.stops[0].opa = LV_OPA_COVER;
grad.stops[0].frac = 0;
grad.stops[1].color = lv_color_hex(0x00ff00);
grad.stops[1].opa = LV_OPA_COVER;
grad.stops[1].frac = 255;
// grad.stops[2].color = lv_color_hex(0x0000ff);
// grad.stops[2].opa = LV_OPA_COVER;
// grad.stops[2].frac = 255;
lv_gradient_stop_t stops[2];
lv_memzero(stops, sizeof(stops));
stops[0].color = lv_color_hex(0xff0000);
stops[0].opa = LV_OPA_COVER;
stops[0].frac = 0;
stops[1].color = lv_color_hex(0x00ff00);
stops[1].opa = LV_OPA_COVER;
stops[1].frac = 255;
lv_matrix_t mt;
lv_matrix_identity(&mt);
lv_matrix_rotate(&mt, 30);
lv_vector_dsc_set_fill_transform(ctx, &mt);
lv_vector_dsc_set_fill_linear_gradient(ctx, &grad, LV_VECTOR_GRADIENT_SPREAD_PAD);
lv_vector_dsc_set_fill_linear_gradient(ctx, 200, 200, 400, 400);
lv_vector_dsc_set_fill_gradient_color_stops(ctx, stops, 2);
lv_vector_dsc_set_fill_gradient_spread(ctx, LV_VECTOR_GRADIENT_SPREAD_PAD);
lv_vector_dsc_add_path(ctx, path); // draw a path
}
@@ -92,20 +90,18 @@ static void draw_radial_gradient(lv_vector_dsc_t * ctx, lv_vector_path_t * path)
lv_vector_path_line_to(path, &pts[3]);
lv_vector_path_close(path);
lv_grad_dsc_t grad;
grad.dir = LV_GRAD_DIR_HOR;
grad.stops_count = 2;
grad.stops[0].color = lv_color_hex(0xff0000);
grad.stops[0].opa = LV_OPA_COVER;
grad.stops[0].frac = 0;
grad.stops[1].color = lv_color_hex(0x0000ff);
grad.stops[1].opa = LV_OPA_COVER;
grad.stops[1].frac = 255;
// grad.stops[2].color = lv_color_hex(0x0000ff);
// grad.stops[2].opa = LV_OPA_COVER;
// grad.stops[2].frac = 255;
lv_gradient_stop_t stops[2];
lv_memzero(stops, sizeof(stops));
stops[0].color = lv_color_hex(0xff0000);
stops[0].opa = LV_OPA_COVER;
stops[0].frac = 0;
stops[1].color = lv_color_hex(0x0000ff);
stops[1].opa = LV_OPA_COVER;
stops[1].frac = 255;
lv_vector_dsc_set_fill_radial_gradient(ctx, &grad, 50, 50, 20, LV_VECTOR_GRADIENT_SPREAD_REFLECT);
lv_vector_dsc_set_fill_radial_gradient(ctx, 450, 100, 20);
lv_vector_dsc_set_fill_gradient_color_stops(ctx, stops, 2);
lv_vector_dsc_set_fill_gradient_spread(ctx, LV_VECTOR_GRADIENT_SPREAD_REFLECT);
lv_vector_dsc_add_path(ctx, path); // draw a path
}