/** * @file lv_style.c * */ /********************* * INCLUDES *********************/ #include "lv_style_private.h" #include "../core/lv_global.h" #include "../stdlib/lv_mem.h" #include "../stdlib/lv_string.h" #include "lv_assert.h" #include "lv_types.h" /********************* * DEFINES *********************/ #define lv_style_custom_prop_flag_lookup_table_size LV_GLOBAL_DEFAULT()->style_custom_table_size #define lv_style_custom_prop_flag_lookup_table LV_GLOBAL_DEFAULT()->style_custom_prop_flag_lookup_table #define last_custom_prop_id LV_GLOBAL_DEFAULT()->style_last_custom_prop_id /********************** * TYPEDEFS **********************/ /********************** * STATIC PROTOTYPES **********************/ /********************** * GLOBAL VARIABLES **********************/ const lv_style_prop_t lv_style_const_prop_id_inv = LV_STYLE_PROP_INV; const uint8_t lv_style_builtin_prop_flag_lookup_table[LV_STYLE_NUM_BUILT_IN_PROPS] = { [LV_STYLE_WIDTH] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_MIN_WIDTH] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_MAX_WIDTH] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_HEIGHT] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_MIN_HEIGHT] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_MAX_HEIGHT] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_LENGTH] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_X] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_Y] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_ALIGN] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_TRANSFORM_WIDTH] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_TRANSFORM, [LV_STYLE_TRANSFORM_HEIGHT] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_TRANSFORM, [LV_STYLE_TRANSLATE_X] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE | LV_STYLE_PROP_FLAG_PARENT_LAYOUT_UPDATE, [LV_STYLE_TRANSLATE_Y] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE | LV_STYLE_PROP_FLAG_PARENT_LAYOUT_UPDATE, [LV_STYLE_TRANSFORM_SCALE_X] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYER_UPDATE | LV_STYLE_PROP_FLAG_TRANSFORM, [LV_STYLE_TRANSFORM_SCALE_Y] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYER_UPDATE | LV_STYLE_PROP_FLAG_TRANSFORM, [LV_STYLE_TRANSFORM_SKEW_X] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYER_UPDATE | LV_STYLE_PROP_FLAG_TRANSFORM, [LV_STYLE_TRANSFORM_SKEW_Y] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYER_UPDATE | LV_STYLE_PROP_FLAG_TRANSFORM, [LV_STYLE_TRANSFORM_ROTATION] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYER_UPDATE | LV_STYLE_PROP_FLAG_TRANSFORM, [LV_STYLE_PAD_TOP] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_PAD_BOTTOM] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_PAD_LEFT] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_PAD_RIGHT] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_PAD_ROW] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_PAD_COLUMN] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_MARGIN_TOP] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_MARGIN_BOTTOM] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_MARGIN_LEFT] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_MARGIN_RIGHT] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_BG_COLOR] = 0, [LV_STYLE_BG_OPA] = 0, [LV_STYLE_BG_GRAD_COLOR] = 0, [LV_STYLE_BG_GRAD_DIR] = 0, [LV_STYLE_BG_MAIN_STOP] = 0, [LV_STYLE_BG_GRAD_STOP] = 0, [LV_STYLE_BG_MAIN_OPA] = 0, [LV_STYLE_BG_GRAD_OPA] = 0, [LV_STYLE_BG_GRAD] = 0, [LV_STYLE_BG_IMAGE_SRC] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_BG_IMAGE_OPA] = 0, [LV_STYLE_BG_IMAGE_RECOLOR] = 0, [LV_STYLE_BG_IMAGE_RECOLOR_OPA] = 0, [LV_STYLE_BG_IMAGE_TILED] = 0, [LV_STYLE_BORDER_COLOR] = 0, [LV_STYLE_BORDER_OPA] = 0, [LV_STYLE_BORDER_WIDTH] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_BORDER_SIDE] = 0, [LV_STYLE_BORDER_POST] = 0, [LV_STYLE_OUTLINE_WIDTH] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_OUTLINE_COLOR] = 0, [LV_STYLE_OUTLINE_OPA] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_OUTLINE_PAD] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_SHADOW_WIDTH] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_SHADOW_OFFSET_X] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_SHADOW_OFFSET_Y] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_SHADOW_SPREAD] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_SHADOW_COLOR] = 0, [LV_STYLE_SHADOW_OPA] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_IMAGE_OPA] = 0, [LV_STYLE_IMAGE_RECOLOR] = 0, [LV_STYLE_IMAGE_RECOLOR_OPA] = 0, [LV_STYLE_LINE_WIDTH] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_LINE_DASH_WIDTH] = 0, [LV_STYLE_LINE_DASH_GAP] = 0, [LV_STYLE_LINE_ROUNDED] = 0, [LV_STYLE_LINE_COLOR] = 0, [LV_STYLE_LINE_OPA] = 0, [LV_STYLE_ARC_WIDTH] = LV_STYLE_PROP_FLAG_EXT_DRAW_UPDATE, [LV_STYLE_ARC_ROUNDED] = 0, [LV_STYLE_ARC_COLOR] = 0, [LV_STYLE_ARC_OPA] = 0, [LV_STYLE_ARC_IMAGE_SRC] = 0, [LV_STYLE_TEXT_COLOR] = LV_STYLE_PROP_FLAG_INHERITABLE, [LV_STYLE_TEXT_OPA] = LV_STYLE_PROP_FLAG_INHERITABLE, [LV_STYLE_TEXT_FONT] = LV_STYLE_PROP_FLAG_INHERITABLE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_TEXT_LETTER_SPACE] = LV_STYLE_PROP_FLAG_INHERITABLE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_TEXT_LINE_SPACE] = LV_STYLE_PROP_FLAG_INHERITABLE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_TEXT_DECOR] = LV_STYLE_PROP_FLAG_INHERITABLE, [LV_STYLE_TEXT_ALIGN] = LV_STYLE_PROP_FLAG_INHERITABLE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_RADIUS] = 0, [LV_STYLE_CLIP_CORNER] = 0, [LV_STYLE_OPA] = 0, [LV_STYLE_OPA_LAYERED] = LV_STYLE_PROP_FLAG_LAYER_UPDATE, [LV_STYLE_COLOR_FILTER_DSC] = LV_STYLE_PROP_FLAG_INHERITABLE, [LV_STYLE_COLOR_FILTER_OPA] = LV_STYLE_PROP_FLAG_INHERITABLE, [LV_STYLE_ANIM_DURATION] = 0, [LV_STYLE_TRANSITION] = 0, [LV_STYLE_BLEND_MODE] = LV_STYLE_PROP_FLAG_LAYER_UPDATE, [LV_STYLE_LAYOUT] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_BASE_DIR] = LV_STYLE_PROP_FLAG_INHERITABLE | LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_BITMAP_MASK_SRC] = LV_STYLE_PROP_FLAG_LAYER_UPDATE, #if LV_USE_FLEX [LV_STYLE_FLEX_FLOW] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_FLEX_MAIN_PLACE] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_FLEX_CROSS_PLACE] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_FLEX_TRACK_PLACE] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_FLEX_GROW] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, #endif #if LV_USE_GRID [LV_STYLE_GRID_COLUMN_DSC_ARRAY] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_GRID_ROW_DSC_ARRAY] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_GRID_COLUMN_ALIGN] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_GRID_ROW_ALIGN] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_GRID_CELL_ROW_SPAN] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_GRID_CELL_ROW_POS] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_GRID_CELL_COLUMN_SPAN] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_GRID_CELL_COLUMN_POS] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_GRID_CELL_X_ALIGN] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, [LV_STYLE_GRID_CELL_Y_ALIGN] = LV_STYLE_PROP_FLAG_LAYOUT_UPDATE, #endif }; /********************** * STATIC VARIABLES **********************/ /********************** * MACROS **********************/ /********************** * GLOBAL FUNCTIONS **********************/ void lv_style_init(lv_style_t * style) { #if LV_USE_ASSERT_STYLE if(style->sentinel == LV_STYLE_SENTINEL_VALUE && style->prop_cnt > 1) { LV_LOG_WARN("Style might be already inited. (Potential memory leak)"); } #endif lv_memzero(style, sizeof(lv_style_t)); #if LV_USE_ASSERT_STYLE style->sentinel = LV_STYLE_SENTINEL_VALUE; #endif } void lv_style_reset(lv_style_t * style) { LV_ASSERT_STYLE(style); if(style->prop_cnt != 255) lv_free(style->values_and_props); lv_memzero(style, sizeof(lv_style_t)); #if LV_USE_ASSERT_STYLE style->sentinel = LV_STYLE_SENTINEL_VALUE; #endif } lv_style_prop_t lv_style_register_prop(uint8_t flag) { if(lv_style_custom_prop_flag_lookup_table == NULL) { lv_style_custom_prop_flag_lookup_table_size = 0; last_custom_prop_id = (uint16_t)LV_STYLE_LAST_BUILT_IN_PROP; } // if((last_custom_prop_id + 1) != 0) { // LV_LOG_ERROR("No more custom property IDs available"); // return LV_STYLE_PROP_INV; // } /* * Allocate the lookup table if it's not yet available. */ size_t required_size = (last_custom_prop_id + 1 - LV_STYLE_LAST_BUILT_IN_PROP); if(lv_style_custom_prop_flag_lookup_table_size < required_size) { /* Round required_size up to the nearest 32-byte value */ required_size = (required_size + 31) & ~31; LV_ASSERT_MSG(required_size > 0, "required size has become 0?"); uint8_t * old_p = lv_style_custom_prop_flag_lookup_table; uint8_t * new_p = lv_realloc(old_p, required_size * sizeof(uint8_t)); if(new_p == NULL) { LV_LOG_ERROR("Unable to allocate space for custom property lookup table"); return LV_STYLE_PROP_INV; } lv_style_custom_prop_flag_lookup_table = new_p; lv_style_custom_prop_flag_lookup_table_size = required_size; } last_custom_prop_id++; /* This should never happen - we should bail out above */ LV_ASSERT_NULL(lv_style_custom_prop_flag_lookup_table); lv_style_custom_prop_flag_lookup_table[last_custom_prop_id - LV_STYLE_NUM_BUILT_IN_PROPS] = flag; return last_custom_prop_id; } lv_style_prop_t lv_style_get_num_custom_props(void) { return last_custom_prop_id - LV_STYLE_LAST_BUILT_IN_PROP; } bool lv_style_remove_prop(lv_style_t * style, lv_style_prop_t prop) { LV_ASSERT_STYLE(style); if(lv_style_is_const(style)) { LV_LOG_ERROR("Cannot remove prop from const style"); return false; } if(style->prop_cnt == 0) return false; uint8_t * tmp = (lv_style_prop_t *)style->values_and_props + style->prop_cnt * sizeof(lv_style_value_t); uint8_t * old_props = (uint8_t *)tmp; uint32_t i; for(i = 0; i < style->prop_cnt; i++) { if(old_props[i] == prop) { lv_style_value_t * old_values = (lv_style_value_t *)style->values_and_props; size_t size = (style->prop_cnt - 1) * (sizeof(lv_style_value_t) + sizeof(lv_style_prop_t)); uint8_t * new_values_and_props = lv_malloc(size); if(new_values_and_props == NULL) return false; style->values_and_props = new_values_and_props; style->prop_cnt--; tmp = new_values_and_props + style->prop_cnt * sizeof(lv_style_value_t); uint8_t * new_props = (uint8_t *)tmp; lv_style_value_t * new_values = (lv_style_value_t *)new_values_and_props; uint32_t j; for(i = j = 0; j <= style->prop_cnt; j++) { /*<=: because prop_cnt already reduced but all the old props. needs to be checked.*/ if(old_props[j] != prop) { new_values[i] = old_values[j]; new_props[i++] = old_props[j]; } } lv_free(old_values); return true; } } return false; } void lv_style_set_prop(lv_style_t * style, lv_style_prop_t prop, lv_style_value_t value) { LV_ASSERT_STYLE(style); if(lv_style_is_const(style)) { LV_LOG_ERROR("Cannot set property of constant style"); return; } LV_ASSERT(prop != LV_STYLE_PROP_INV); lv_style_prop_t * props; int32_t i; if(style->values_and_props) { props = (lv_style_prop_t *)style->values_and_props + style->prop_cnt * sizeof(lv_style_value_t); for(i = style->prop_cnt - 1; i >= 0; i--) { if(props[i] == prop) { lv_style_value_t * values = (lv_style_value_t *)style->values_and_props; values[i] = value; return; } } } size_t size = (style->prop_cnt + 1) * (sizeof(lv_style_value_t) + sizeof(lv_style_prop_t)); uint8_t * values_and_props = lv_realloc(style->values_and_props, size); if(values_and_props == NULL) return; style->values_and_props = values_and_props; props = values_and_props + style->prop_cnt * sizeof(lv_style_value_t); /*Shift all props to make place for the value before them*/ for(i = style->prop_cnt - 1; i >= 0; i--) { props[i + sizeof(lv_style_value_t) / sizeof(lv_style_prop_t)] = props[i]; } style->prop_cnt++; /*Go to the new position with the props*/ props = values_and_props + style->prop_cnt * sizeof(lv_style_value_t); lv_style_value_t * values = (lv_style_value_t *)values_and_props; /*Set the new property and value*/ props[style->prop_cnt - 1] = prop; values[style->prop_cnt - 1] = value; uint32_t group = lv_style_get_prop_group(prop); style->has_group |= (uint32_t)1 << group; } lv_style_res_t lv_style_get_prop(const lv_style_t * style, lv_style_prop_t prop, lv_style_value_t * value) { return lv_style_get_prop_inlined(style, prop, value); } void lv_style_transition_dsc_init(lv_style_transition_dsc_t * tr, const lv_style_prop_t props[], lv_anim_path_cb_t path_cb, uint32_t time, uint32_t delay, void * user_data) { lv_memzero(tr, sizeof(lv_style_transition_dsc_t)); tr->props = props; tr->path_xcb = path_cb == NULL ? lv_anim_path_linear : path_cb; tr->time = time; tr->delay = delay; tr->user_data = user_data; } lv_style_value_t lv_style_prop_get_default(lv_style_prop_t prop) { const lv_color_t black = LV_COLOR_MAKE(0x00, 0x00, 0x00); const lv_color_t white = LV_COLOR_MAKE(0xff, 0xff, 0xff); switch(prop) { case LV_STYLE_TRANSFORM_SCALE_X: case LV_STYLE_TRANSFORM_SCALE_Y: return (lv_style_value_t) { .num = LV_SCALE_NONE }; case LV_STYLE_BG_COLOR: return (lv_style_value_t) { .color = white }; case LV_STYLE_BG_GRAD_COLOR: case LV_STYLE_BORDER_COLOR: case LV_STYLE_SHADOW_COLOR: case LV_STYLE_OUTLINE_COLOR: case LV_STYLE_ARC_COLOR: case LV_STYLE_LINE_COLOR: case LV_STYLE_TEXT_COLOR: case LV_STYLE_IMAGE_RECOLOR: return (lv_style_value_t) { .color = black }; case LV_STYLE_OPA: case LV_STYLE_OPA_LAYERED: case LV_STYLE_BORDER_OPA: case LV_STYLE_TEXT_OPA: case LV_STYLE_IMAGE_OPA: case LV_STYLE_BG_GRAD_OPA: case LV_STYLE_BG_MAIN_OPA: case LV_STYLE_BG_IMAGE_OPA: case LV_STYLE_OUTLINE_OPA: case LV_STYLE_SHADOW_OPA: case LV_STYLE_LINE_OPA: case LV_STYLE_ARC_OPA: return (lv_style_value_t) { .num = LV_OPA_COVER }; case LV_STYLE_BG_GRAD_STOP: return (lv_style_value_t) { .num = 255 }; case LV_STYLE_BORDER_SIDE: return (lv_style_value_t) { .num = LV_BORDER_SIDE_FULL }; case LV_STYLE_TEXT_FONT: return (lv_style_value_t) { .ptr = LV_FONT_DEFAULT }; case LV_STYLE_MAX_WIDTH: case LV_STYLE_MAX_HEIGHT: return (lv_style_value_t) { .num = LV_COORD_MAX }; case LV_STYLE_ROTARY_SENSITIVITY: return (lv_style_value_t) { .num = 256 }; default: return (lv_style_value_t) { .ptr = NULL }; } } bool lv_style_is_empty(const lv_style_t * style) { LV_ASSERT_STYLE(style); return style->prop_cnt == 0; } uint8_t lv_style_prop_lookup_flags(lv_style_prop_t prop) { if(prop == LV_STYLE_PROP_ANY) return LV_STYLE_PROP_FLAG_ALL; /*Any prop can have any flags*/ if(prop == LV_STYLE_PROP_INV) return 0; if(prop < LV_STYLE_NUM_BUILT_IN_PROPS) return lv_style_builtin_prop_flag_lookup_table[prop]; prop -= LV_STYLE_NUM_BUILT_IN_PROPS; if(lv_style_custom_prop_flag_lookup_table != NULL && prop < lv_style_custom_prop_flag_lookup_table_size) return lv_style_custom_prop_flag_lookup_table[prop]; return 0; } /********************** * STATIC FUNCTIONS **********************/