486 lines
18 KiB
C
486 lines
18 KiB
C
/**
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* @file lv_style.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "lv_style.h"
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#include "../misc/lv_gc.h"
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#include "../misc/lv_mem.h"
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#include "lv_assert.h"
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#include "lv_types.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static void lv_style_set_prop_internal(lv_style_t * style, lv_style_prop_t prop_and_meta, lv_style_value_t value,
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void (*value_adjustment_helper)(lv_style_prop_t, lv_style_value_t, uint16_t *, lv_style_value_t *));
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static void lv_style_set_prop_helper(lv_style_prop_t prop, lv_style_value_t value, uint16_t * prop_storage,
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lv_style_value_t * value_storage);
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static void lv_style_set_prop_meta_helper(lv_style_prop_t prop, lv_style_value_t value, uint16_t * prop_storage,
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lv_style_value_t * value_storage);
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/**********************
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* GLOBAL VARIABLES
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**********************/
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const uint8_t _lv_style_builtin_prop_flag_lookup_table[_LV_STYLE_NUM_BUILT_IN_PROPS] = {
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[LV_STYLE_WIDTH] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_MIN_WIDTH] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_MAX_WIDTH] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_HEIGHT] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_MIN_HEIGHT] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_MAX_HEIGHT] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_X] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_Y] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_ALIGN] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_TRANSFORM_WIDTH] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_TRANSFORM_HEIGHT] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_TRANSLATE_X] = LV_STYLE_PROP_LAYOUT_REFR | LV_STYLE_PROP_PARENT_LAYOUT_REFR,
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[LV_STYLE_TRANSLATE_Y] = LV_STYLE_PROP_LAYOUT_REFR | LV_STYLE_PROP_PARENT_LAYOUT_REFR,
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[LV_STYLE_TRANSFORM_ZOOM] = LV_STYLE_PROP_EXT_DRAW | LV_STYLE_PROP_LAYER_REFR,
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[LV_STYLE_TRANSFORM_ANGLE] = LV_STYLE_PROP_EXT_DRAW | LV_STYLE_PROP_LAYER_REFR,
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[LV_STYLE_PAD_TOP] = LV_STYLE_PROP_EXT_DRAW | LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_PAD_BOTTOM] = LV_STYLE_PROP_EXT_DRAW | LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_PAD_LEFT] = LV_STYLE_PROP_EXT_DRAW | LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_PAD_RIGHT] = LV_STYLE_PROP_EXT_DRAW | LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_PAD_ROW] = LV_STYLE_PROP_EXT_DRAW | LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_PAD_COLUMN] = LV_STYLE_PROP_EXT_DRAW | LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_BG_COLOR] = 0,
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[LV_STYLE_BG_OPA] = 0,
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[LV_STYLE_BG_GRAD_COLOR] = 0,
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[LV_STYLE_BG_GRAD_DIR] = 0,
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[LV_STYLE_BG_MAIN_STOP] = 0,
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[LV_STYLE_BG_GRAD_STOP] = 0,
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[LV_STYLE_BG_GRAD] = 0,
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[LV_STYLE_BG_DITHER_MODE] = 0,
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[LV_STYLE_BG_IMG_SRC] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_BG_IMG_OPA] = 0,
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[LV_STYLE_BG_IMG_RECOLOR] = 0,
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[LV_STYLE_BG_IMG_RECOLOR_OPA] = 0,
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[LV_STYLE_BG_IMG_TILED] = 0,
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[LV_STYLE_BORDER_COLOR] = 0,
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[LV_STYLE_BORDER_OPA] = 0,
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[LV_STYLE_BORDER_WIDTH] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_BORDER_SIDE] = 0,
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[LV_STYLE_BORDER_POST] = 0,
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[LV_STYLE_OUTLINE_WIDTH] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_OUTLINE_COLOR] = 0,
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[LV_STYLE_OUTLINE_OPA] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_OUTLINE_PAD] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_SHADOW_WIDTH] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_SHADOW_OFS_X] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_SHADOW_OFS_Y] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_SHADOW_SPREAD] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_SHADOW_COLOR] = 0,
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[LV_STYLE_SHADOW_OPA] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_IMG_OPA] = 0,
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[LV_STYLE_IMG_RECOLOR] = 0,
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[LV_STYLE_IMG_RECOLOR_OPA] = 0,
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[LV_STYLE_LINE_WIDTH] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_LINE_DASH_WIDTH] = 0,
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[LV_STYLE_LINE_DASH_GAP] = 0,
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[LV_STYLE_LINE_ROUNDED] = 0,
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[LV_STYLE_LINE_COLOR] = 0,
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[LV_STYLE_LINE_OPA] = 0,
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[LV_STYLE_ARC_WIDTH] = LV_STYLE_PROP_EXT_DRAW,
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[LV_STYLE_ARC_ROUNDED] = 0,
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[LV_STYLE_ARC_COLOR] = 0,
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[LV_STYLE_ARC_OPA] = 0,
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[LV_STYLE_ARC_IMG_SRC] = 0,
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[LV_STYLE_TEXT_COLOR] = LV_STYLE_PROP_INHERIT,
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[LV_STYLE_TEXT_OPA] = LV_STYLE_PROP_INHERIT,
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[LV_STYLE_TEXT_FONT] = LV_STYLE_PROP_INHERIT | LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_TEXT_LETTER_SPACE] = LV_STYLE_PROP_INHERIT | LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_TEXT_LINE_SPACE] = LV_STYLE_PROP_INHERIT | LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_TEXT_DECOR] = LV_STYLE_PROP_INHERIT,
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[LV_STYLE_TEXT_ALIGN] = LV_STYLE_PROP_INHERIT | LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_RADIUS] = 0,
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[LV_STYLE_CLIP_CORNER] = 0,
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[LV_STYLE_OPA] = LV_STYLE_PROP_LAYER_REFR,
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[LV_STYLE_COLOR_FILTER_DSC] = LV_STYLE_PROP_INHERIT,
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[LV_STYLE_COLOR_FILTER_OPA] = LV_STYLE_PROP_INHERIT,
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[LV_STYLE_ANIM_TIME] = 0,
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[LV_STYLE_ANIM_SPEED] = 0,
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[LV_STYLE_TRANSITION] = 0,
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[LV_STYLE_BLEND_MODE] = LV_STYLE_PROP_LAYER_REFR,
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[LV_STYLE_LAYOUT] = LV_STYLE_PROP_LAYOUT_REFR,
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[LV_STYLE_BASE_DIR] = LV_STYLE_PROP_INHERIT | LV_STYLE_PROP_LAYOUT_REFR,
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};
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uint32_t _lv_style_custom_prop_flag_lookup_table_size = 0;
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/**********************
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* STATIC VARIABLES
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**********************/
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static uint16_t last_custom_prop_id = (uint16_t)_LV_STYLE_LAST_BUILT_IN_PROP;
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static const lv_style_value_t null_style_value = { .num = 0 };
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void lv_style_init(lv_style_t * style)
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{
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#if LV_USE_ASSERT_STYLE
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if(style->sentinel == LV_STYLE_SENTINEL_VALUE && style->prop_cnt > 1) {
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LV_LOG_WARN("Style might be already inited. (Potential memory leak)");
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}
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#endif
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lv_memset_00(style, sizeof(lv_style_t));
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#if LV_USE_ASSERT_STYLE
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style->sentinel = LV_STYLE_SENTINEL_VALUE;
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#endif
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}
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void lv_style_reset(lv_style_t * style)
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{
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LV_ASSERT_STYLE(style);
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if(style->prop1 == LV_STYLE_PROP_ANY) {
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LV_LOG_ERROR("Cannot reset const style");
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return;
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}
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if(style->prop_cnt > 1) lv_mem_free(style->v_p.values_and_props);
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lv_memset_00(style, sizeof(lv_style_t));
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#if LV_USE_ASSERT_STYLE
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style->sentinel = LV_STYLE_SENTINEL_VALUE;
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#endif
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}
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lv_style_prop_t lv_style_register_prop(uint8_t flag)
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{
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if(LV_GC_ROOT(_lv_style_custom_prop_flag_lookup_table) == NULL) {
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_lv_style_custom_prop_flag_lookup_table_size = 0;
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last_custom_prop_id = (uint16_t)_LV_STYLE_LAST_BUILT_IN_PROP;
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}
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if(((last_custom_prop_id + 1) & LV_STYLE_PROP_META_MASK) != 0) {
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LV_LOG_ERROR("No more custom property IDs available");
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return LV_STYLE_PROP_INV;
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}
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/*
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* Allocate the lookup table if it's not yet available.
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*/
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size_t required_size = (last_custom_prop_id + 1 - _LV_STYLE_LAST_BUILT_IN_PROP);
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if(_lv_style_custom_prop_flag_lookup_table_size < required_size) {
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/* Round required_size up to the nearest 32-byte value */
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required_size = (required_size + 31) & ~31;
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LV_ASSERT_MSG(required_size > 0, "required size has become 0?");
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uint8_t * old_p = LV_GC_ROOT(_lv_style_custom_prop_flag_lookup_table);
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uint8_t * new_p = lv_mem_realloc(old_p, required_size * sizeof(uint8_t));
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if(new_p == NULL) {
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LV_LOG_ERROR("Unable to allocate space for custom property lookup table");
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return LV_STYLE_PROP_INV;
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}
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LV_GC_ROOT(_lv_style_custom_prop_flag_lookup_table) = new_p;
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_lv_style_custom_prop_flag_lookup_table_size = required_size;
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}
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last_custom_prop_id++;
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/* This should never happen - we should bail out above */
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LV_ASSERT_NULL(LV_GC_ROOT(_lv_style_custom_prop_flag_lookup_table));
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LV_GC_ROOT(_lv_style_custom_prop_flag_lookup_table)[last_custom_prop_id - _LV_STYLE_NUM_BUILT_IN_PROPS] = flag;
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return last_custom_prop_id;
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}
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lv_style_prop_t lv_style_get_num_custom_props(void)
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{
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return last_custom_prop_id - _LV_STYLE_LAST_BUILT_IN_PROP;
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}
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bool lv_style_remove_prop(lv_style_t * style, lv_style_prop_t prop)
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{
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LV_ASSERT_STYLE(style);
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if(style->prop1 == LV_STYLE_PROP_ANY) {
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LV_LOG_ERROR("Cannot remove prop from const style");
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return false;
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}
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if(style->prop_cnt == 0) return false;
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if(style->prop_cnt == 1) {
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if(LV_STYLE_PROP_ID_MASK(style->prop1) == prop) {
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style->prop1 = LV_STYLE_PROP_INV;
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style->prop_cnt = 0;
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return true;
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}
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return false;
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}
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uint8_t * tmp = style->v_p.values_and_props + style->prop_cnt * sizeof(lv_style_value_t);
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uint16_t * old_props = (uint16_t *)tmp;
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uint32_t i;
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for(i = 0; i < style->prop_cnt; i++) {
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if(LV_STYLE_PROP_ID_MASK(old_props[i]) == prop) {
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lv_style_value_t * old_values = (lv_style_value_t *)style->v_p.values_and_props;
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if(style->prop_cnt == 2) {
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style->prop_cnt = 1;
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style->prop1 = i == 0 ? old_props[1] : old_props[0];
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style->v_p.value1 = i == 0 ? old_values[1] : old_values[0];
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}
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else {
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size_t size = (style->prop_cnt - 1) * (sizeof(lv_style_value_t) + sizeof(uint16_t));
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uint8_t * new_values_and_props = lv_mem_alloc(size);
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if(new_values_and_props == NULL) return false;
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style->v_p.values_and_props = new_values_and_props;
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style->prop_cnt--;
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tmp = new_values_and_props + style->prop_cnt * sizeof(lv_style_value_t);
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uint16_t * new_props = (uint16_t *)tmp;
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lv_style_value_t * new_values = (lv_style_value_t *)new_values_and_props;
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uint32_t j;
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for(i = j = 0; j <= style->prop_cnt;
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j++) { /*<=: because prop_cnt already reduced but all the old props. needs to be checked.*/
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if(old_props[j] != prop) {
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new_values[i] = old_values[j];
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new_props[i++] = old_props[j];
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}
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}
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}
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lv_mem_free(old_values);
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return true;
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}
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}
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return false;
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}
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void lv_style_set_prop(lv_style_t * style, lv_style_prop_t prop, lv_style_value_t value)
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{
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lv_style_set_prop_internal(style, prop, value, lv_style_set_prop_helper);
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}
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void lv_style_set_prop_meta(lv_style_t * style, lv_style_prop_t prop, uint16_t meta)
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{
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lv_style_set_prop_internal(style, prop | meta, null_style_value, lv_style_set_prop_meta_helper);
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}
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lv_style_res_t lv_style_get_prop(const lv_style_t * style, lv_style_prop_t prop, lv_style_value_t * value)
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{
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return lv_style_get_prop_inlined(style, prop, value);
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}
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void lv_style_transition_dsc_init(lv_style_transition_dsc_t * tr, const lv_style_prop_t props[],
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lv_anim_path_cb_t path_cb, uint32_t time, uint32_t delay, void * user_data)
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{
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lv_memset_00(tr, sizeof(lv_style_transition_dsc_t));
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tr->props = props;
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tr->path_xcb = path_cb == NULL ? lv_anim_path_linear : path_cb;
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tr->time = time;
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tr->delay = delay;
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#if LV_USE_USER_DATA
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tr->user_data = user_data;
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#else
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LV_UNUSED(user_data);
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#endif
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}
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lv_style_value_t lv_style_prop_get_default(lv_style_prop_t prop)
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{
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lv_style_value_t value;
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switch(prop) {
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case LV_STYLE_TRANSFORM_ZOOM:
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value.num = LV_IMG_ZOOM_NONE;
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break;
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case LV_STYLE_BG_COLOR:
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value.color = lv_color_white();
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break;
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case LV_STYLE_BG_GRAD_COLOR:
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case LV_STYLE_BORDER_COLOR:
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case LV_STYLE_SHADOW_COLOR:
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case LV_STYLE_OUTLINE_COLOR:
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case LV_STYLE_ARC_COLOR:
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case LV_STYLE_LINE_COLOR:
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case LV_STYLE_TEXT_COLOR:
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case LV_STYLE_IMG_RECOLOR:
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value.color = lv_color_black();
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break;
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case LV_STYLE_OPA:
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case LV_STYLE_BORDER_OPA:
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case LV_STYLE_TEXT_OPA:
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case LV_STYLE_IMG_OPA:
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case LV_STYLE_BG_IMG_OPA:
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case LV_STYLE_OUTLINE_OPA:
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case LV_STYLE_SHADOW_OPA:
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case LV_STYLE_LINE_OPA:
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case LV_STYLE_ARC_OPA:
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value.num = LV_OPA_COVER;
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break;
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case LV_STYLE_BG_GRAD_STOP:
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value.num = 255;
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break;
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case LV_STYLE_BORDER_SIDE:
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value.num = LV_BORDER_SIDE_FULL;
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break;
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case LV_STYLE_TEXT_FONT:
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value.ptr = LV_FONT_DEFAULT;
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break;
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case LV_STYLE_MAX_WIDTH:
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case LV_STYLE_MAX_HEIGHT:
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value.num = LV_COORD_MAX;
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break;
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default:
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value.ptr = NULL;
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value.num = 0;
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break;
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}
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return value;
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}
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bool lv_style_is_empty(const lv_style_t * style)
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{
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LV_ASSERT_STYLE(style);
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return style->prop_cnt == 0 ? true : false;
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}
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uint8_t _lv_style_get_prop_group(lv_style_prop_t prop)
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{
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uint16_t group = (prop & 0x1FF) >> 4;
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if(group > 7) group = 7; /*The MSB marks all the custom properties*/
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return (uint8_t)group;
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}
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uint8_t _lv_style_prop_lookup_flags(lv_style_prop_t prop)
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{
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extern const uint8_t _lv_style_builtin_prop_flag_lookup_table[];
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extern uint32_t _lv_style_custom_prop_flag_lookup_table_size;
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if(prop == LV_STYLE_PROP_ANY) return LV_STYLE_PROP_ALL; /*Any prop can have any flags*/
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if(prop == LV_STYLE_PROP_INV) return 0;
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if(prop < _LV_STYLE_NUM_BUILT_IN_PROPS)
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return _lv_style_builtin_prop_flag_lookup_table[prop];
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prop -= _LV_STYLE_NUM_BUILT_IN_PROPS;
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if(LV_GC_ROOT(_lv_style_custom_prop_flag_lookup_table) != NULL && prop < _lv_style_custom_prop_flag_lookup_table_size)
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return LV_GC_ROOT(_lv_style_custom_prop_flag_lookup_table)[prop];
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return 0;
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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static void lv_style_set_prop_helper(lv_style_prop_t prop, lv_style_value_t value, uint16_t * prop_storage,
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lv_style_value_t * value_storage)
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{
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*prop_storage = prop;
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*value_storage = value;
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}
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static void lv_style_set_prop_meta_helper(lv_style_prop_t prop, lv_style_value_t value, uint16_t * prop_storage,
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lv_style_value_t * value_storage)
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{
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LV_UNUSED(value);
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LV_UNUSED(value_storage);
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*prop_storage = prop; /* meta is OR-ed into the prop ID already */
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}
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static void lv_style_set_prop_internal(lv_style_t * style, lv_style_prop_t prop_and_meta, lv_style_value_t value,
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void (*value_adjustment_helper)(lv_style_prop_t, lv_style_value_t, uint16_t *, lv_style_value_t *))
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{
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LV_ASSERT_STYLE(style);
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if(style->prop1 == LV_STYLE_PROP_ANY) {
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LV_LOG_ERROR("Cannot set property of constant style");
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return;
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}
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lv_style_prop_t prop_id = LV_STYLE_PROP_ID_MASK(prop_and_meta);
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if(style->prop_cnt > 1) {
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uint8_t * tmp = style->v_p.values_and_props + style->prop_cnt * sizeof(lv_style_value_t);
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uint16_t * props = (uint16_t *)tmp;
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int32_t i;
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for(i = style->prop_cnt - 1; i >= 0; i--) {
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if(LV_STYLE_PROP_ID_MASK(props[i]) == prop_id) {
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lv_style_value_t * values = (lv_style_value_t *)style->v_p.values_and_props;
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value_adjustment_helper(prop_and_meta, value, &props[i], &values[i]);
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return;
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}
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}
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size_t size = (style->prop_cnt + 1) * (sizeof(lv_style_value_t) + sizeof(uint16_t));
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uint8_t * values_and_props = lv_mem_realloc(style->v_p.values_and_props, size);
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if(values_and_props == NULL) return;
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style->v_p.values_and_props = values_and_props;
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tmp = values_and_props + style->prop_cnt * sizeof(lv_style_value_t);
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props = (uint16_t *)tmp;
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/*Shift all props to make place for the value before them*/
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for(i = style->prop_cnt - 1; i >= 0; i--) {
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props[i + sizeof(lv_style_value_t) / sizeof(uint16_t)] = props[i];
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}
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style->prop_cnt++;
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/*Go to the new position wit the props*/
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tmp = values_and_props + style->prop_cnt * sizeof(lv_style_value_t);
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props = (uint16_t *)tmp;
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lv_style_value_t * values = (lv_style_value_t *)values_and_props;
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/*Set the new property and value*/
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value_adjustment_helper(prop_and_meta, value, &props[style->prop_cnt - 1], &values[style->prop_cnt - 1]);
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}
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else if(style->prop_cnt == 1) {
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if(LV_STYLE_PROP_ID_MASK(style->prop1) == prop_id) {
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value_adjustment_helper(prop_and_meta, value, &style->prop1, &style->v_p.value1);
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return;
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}
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size_t size = (style->prop_cnt + 1) * (sizeof(lv_style_value_t) + sizeof(uint16_t));
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uint8_t * values_and_props = lv_mem_alloc(size);
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if(values_and_props == NULL) return;
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lv_style_value_t value_tmp = style->v_p.value1;
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style->v_p.values_and_props = values_and_props;
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style->prop_cnt++;
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uint8_t * tmp = values_and_props + style->prop_cnt * sizeof(lv_style_value_t);
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uint16_t * props = (uint16_t *)tmp;
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lv_style_value_t * values = (lv_style_value_t *)values_and_props;
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props[0] = style->prop1;
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values[0] = value_tmp;
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value_adjustment_helper(prop_and_meta, value, &props[1], &values[1]);
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}
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else {
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style->prop_cnt = 1;
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value_adjustment_helper(prop_and_meta, value, &style->prop1, &style->v_p.value1);
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}
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uint8_t group = _lv_style_get_prop_group(prop_id);
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style->has_group |= 1 << group;
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}
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