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perf(vg_lite): invert the vector font Y axis coordinate in advance (#6353)

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Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
Co-authored-by: pengyiqiang <pengyiqiang@xiaomi.com>
This commit is contained in:
VIFEX
2024-06-11 18:03:51 +08:00
committed by GitHub
parent ef697694d2
commit 62796a64ba
3 changed files with 12 additions and 17 deletions
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22
src/draw/vg_lite/lv_draw_vg_lite_label.c
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@@ -255,9 +255,6 @@ static void draw_letter_outline(lv_draw_vg_lite_unit_t * u, const lv_draw_glyph_
/* scale size */
vg_lite_scale(scale, scale, &matrix);
/* Cartesian coordinates to LCD coordinates */
lv_vg_lite_matrix_flip_y(&matrix);
/* calc inverse matrix */
vg_lite_matrix_t result;
if(!lv_vg_lite_matrix_inverse(&result, &matrix)) {
@@ -305,23 +302,28 @@ static void vg_lite_outline_push(const lv_freetype_outline_event_param_t * param
lv_freetype_outline_type_t type = param->type;
switch(type) {
/**
* Reverse the Y-axis coordinate direction to achieve
* the conversion from Cartesian coordinate system to LCD coordinate system
*/
case LV_FREETYPE_OUTLINE_END:
lv_vg_lite_path_end(outline);
break;
case LV_FREETYPE_OUTLINE_MOVE_TO:
lv_vg_lite_path_move_to(outline, param->to.x, param->to.y);
lv_vg_lite_path_move_to(outline, param->to.x, -param->to.y);
break;
case LV_FREETYPE_OUTLINE_LINE_TO:
lv_vg_lite_path_line_to(outline, param->to.x, param->to.y);
lv_vg_lite_path_line_to(outline, param->to.x, -param->to.y);
break;
case LV_FREETYPE_OUTLINE_CUBIC_TO:
lv_vg_lite_path_cubic_to(outline, param->control1.x, param->control1.y,
param->control2.x, param->control2.y,
param->to.x, param->to.y);
lv_vg_lite_path_cubic_to(outline, param->control1.x, -param->control1.y,
param->control2.x, -param->control2.y,
param->to.x, -param->to.y);
break;
case LV_FREETYPE_OUTLINE_CONIC_TO:
lv_vg_lite_path_quad_to(outline, param->control1.x, param->control1.y,
param->to.x, param->to.y);
lv_vg_lite_path_quad_to(outline, param->control1.x, -param->control1.y,
param->to.x, -param->to.y);
break;
default:
LV_LOG_ERROR("unknown point type: %d", type);

5
src/draw/vg_lite/lv_vg_lite_utils.c
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@@ -964,11 +964,6 @@ void lv_vg_lite_matrix_multiply(vg_lite_matrix_t * matrix, const vg_lite_matrix_
lv_memcpy(matrix, &temp, sizeof(temp));
}
void lv_vg_lite_matrix_flip_y(vg_lite_matrix_t * matrix)
{
matrix->m[1][1] = -matrix->m[1][1];
}
bool lv_vg_lite_matrix_inverse(vg_lite_matrix_t * result, const vg_lite_matrix_t * matrix)
{
vg_lite_float_t det00, det01, det02;

2
src/draw/vg_lite/lv_vg_lite_utils.h
View File

@@ -159,8 +159,6 @@ bool lv_vg_lite_16px_align(void);
void lv_vg_lite_matrix_multiply(vg_lite_matrix_t * matrix, const vg_lite_matrix_t * mult);
void lv_vg_lite_matrix_flip_y(vg_lite_matrix_t * matrix);
bool lv_vg_lite_matrix_inverse(vg_lite_matrix_t * result, const vg_lite_matrix_t * matrix);
lv_point_precise_t lv_vg_lite_matrix_transform_point(const vg_lite_matrix_t * matrix, const lv_point_precise_t * point);