/* * Copyright (c) 2018 CTCaer * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ /********************* * INCLUDES *********************/ #include "lv_obj.h" #include "../lv_misc/lv_mem.h" /********************* * DEFINES *********************/ #define STYLE_MIX_MAX 256 #define STYLE_MIX_SHIFT 8 /*log2(STYLE_MIX_MAX)*/ #define VAL_PROP(v1, v2, r) v1 + (((v2-v1) * r) >> STYLE_MIX_SHIFT) #define STYLE_ATTR_MIX(attr, r) if(start->attr != end->attr) {res->attr = VAL_PROP(start->attr, end->attr, r);} else {res->attr = start->attr;} /********************** * TYPEDEFS **********************/ #if USE_LV_ANIMATION typedef struct { lv_style_t style_start; /*Save not only pointers because can be same as 'style_anim' then it will be modified too*/ lv_style_t style_end; lv_style_t * style_anim; void (*end_cb)(void *); } lv_style_anim_dsc_t; #endif /********************** * STATIC PROTOTYPES **********************/ #if USE_LV_ANIMATION static void style_animator(lv_style_anim_dsc_t * dsc, int32_t val); static void style_animation_common_end_cb(void * ptr); #endif /********************** * STATIC VARIABLES **********************/ lv_style_t lv_style_scr; lv_style_t lv_style_transp; lv_style_t lv_style_transp_fit; lv_style_t lv_style_transp_tight; lv_style_t lv_style_plain; lv_style_t lv_style_plain_color; lv_style_t lv_style_pretty; lv_style_t lv_style_pretty_color; lv_style_t lv_style_btn_rel; lv_style_t lv_style_btn_pr; lv_style_t lv_style_btn_tgl_rel; lv_style_t lv_style_btn_tgl_pr; lv_style_t lv_style_btn_ina; /********************** * MACROS **********************/ /********************** * GLOBAL FUNCTIONS **********************/ /** * Init the basic styles */ void lv_style_init(void) { /* Not White/Black/Gray colors are created by HSV model with * HUE = 210*/ /*Screen style*/ lv_style_scr.glass = 0; lv_style_scr.body.opa = LV_OPA_COVER; lv_style_scr.body.main_color = LV_COLOR_BLACK; lv_style_scr.body.grad_color = LV_COLOR_BLACK; lv_style_scr.body.radius = 0; lv_style_scr.body.padding.ver = LV_DPI / 12; lv_style_scr.body.padding.hor = LV_DPI / 12; lv_style_scr.body.padding.inner = LV_DPI / 12; lv_style_scr.body.border.color = LV_COLOR_WHITE; lv_style_scr.body.border.opa = LV_OPA_COVER; lv_style_scr.body.border.width = 0; lv_style_scr.body.border.part = LV_BORDER_FULL; lv_style_scr.body.shadow.color = LV_COLOR_GRAY; lv_style_scr.body.shadow.type = LV_SHADOW_FULL; lv_style_scr.body.shadow.width = 0; lv_style_scr.text.opa = LV_OPA_COVER; lv_style_scr.text.color = LV_COLOR_HEX(0xFBFBFB); lv_style_scr.text.font = LV_FONT_DEFAULT; lv_style_scr.text.letter_space = 3; // Important lv_style_scr.text.line_space = 2; lv_style_scr.image.opa = LV_OPA_COVER; lv_style_scr.image.color = LV_COLOR_MAKE(0x20, 0x20, 0x20); lv_style_scr.image.intense = LV_OPA_TRANSP; lv_style_scr.line.opa = LV_OPA_COVER; lv_style_scr.line.color = LV_COLOR_MAKE(0x20, 0x20, 0x20); lv_style_scr.line.width = 2; lv_style_scr.line.rounded = 0; /*Plain style (by default near the same as the screen style)*/ memcpy(&lv_style_plain, &lv_style_scr, sizeof(lv_style_t)); /*Plain color style*/ memcpy(&lv_style_plain_color, &lv_style_plain, sizeof(lv_style_t)); lv_style_plain_color.text.color = LV_COLOR_MAKE(0xf0, 0xf0, 0xf0); lv_style_plain_color.image.color = LV_COLOR_MAKE(0xf0, 0xf0, 0xf0); lv_style_plain_color.line.color = LV_COLOR_MAKE(0xf0, 0xf0, 0xf0); lv_style_plain_color.body.main_color = LV_COLOR_MAKE(0x55, 0x96, 0xd8); lv_style_plain_color.body.grad_color = lv_style_plain_color.body.main_color; /*Pretty style */ memcpy(&lv_style_pretty, &lv_style_plain, sizeof(lv_style_t)); lv_style_pretty.text.color = LV_COLOR_MAKE(0x20, 0x20, 0x20); lv_style_pretty.image.color = LV_COLOR_MAKE(0x20, 0x20, 0x20); lv_style_pretty.line.color = LV_COLOR_MAKE(0x20, 0x20, 0x20); lv_style_pretty.body.main_color = LV_COLOR_WHITE; lv_style_pretty.body.grad_color = LV_COLOR_SILVER; lv_style_pretty.body.radius = LV_DPI / 15; lv_style_pretty.body.border.color = LV_COLOR_MAKE(0x40, 0x40, 0x40); lv_style_pretty.body.border.width = LV_DPI / 50 >= 1 ? LV_DPI / 50 : 1; lv_style_pretty.body.border.opa = LV_OPA_30; /*Pretty color style*/ memcpy(&lv_style_pretty_color, &lv_style_pretty, sizeof(lv_style_t)); lv_style_pretty_color.text.color = LV_COLOR_MAKE(0xe0, 0xe0, 0xe0); lv_style_pretty_color.image.color = LV_COLOR_MAKE(0xe0, 0xe0, 0xe0); lv_style_pretty_color.line.color = LV_COLOR_MAKE(0xc0, 0xc0, 0xc0); lv_style_pretty_color.body.main_color = LV_COLOR_MAKE(0x6b, 0x9a, 0xc7); lv_style_pretty_color.body.grad_color = LV_COLOR_MAKE(0x2b, 0x59, 0x8b); lv_style_pretty_color.body.border.color = LV_COLOR_MAKE(0x15, 0x2c, 0x42); /*Transparent style*/ memcpy(&lv_style_transp, &lv_style_plain, sizeof(lv_style_t)); lv_style_transp.body.empty = 1; lv_style_transp.glass = 1; lv_style_transp.body.border.width = 0; /*Transparent fitting size*/ memcpy(&lv_style_transp_fit, &lv_style_transp, sizeof(lv_style_t)); lv_style_transp_fit.body.padding.hor = 0; lv_style_transp_fit.body.padding.ver = 0; /*Transparent tight style*/ memcpy(&lv_style_transp_tight, &lv_style_transp_fit, sizeof(lv_style_t)); lv_style_transp_tight.body.padding.inner = 0; /*Button released style*/ memcpy(&lv_style_btn_rel, &lv_style_plain, sizeof(lv_style_t)); lv_style_btn_rel.body.main_color = LV_COLOR_MAKE(0x76, 0xa2, 0xd0); lv_style_btn_rel.body.grad_color = LV_COLOR_MAKE(0x19, 0x3a, 0x5d); lv_style_btn_rel.body.radius = LV_DPI / 15; lv_style_btn_rel.body.padding.hor = LV_DPI / 4; lv_style_btn_rel.body.padding.ver = LV_DPI / 6; lv_style_btn_rel.body.padding.inner = LV_DPI / 10; lv_style_btn_rel.body.border.color = LV_COLOR_MAKE(0x0b, 0x19, 0x28); lv_style_btn_rel.body.border.width = LV_DPI / 50 >= 1 ? LV_DPI / 50 : 1; lv_style_btn_rel.body.border.opa = LV_OPA_70; lv_style_btn_rel.body.shadow.color = LV_COLOR_GRAY; lv_style_btn_rel.body.shadow.width = 0; lv_style_btn_rel.text.color = LV_COLOR_MAKE(0xff, 0xff, 0xff); lv_style_btn_rel.image.color = LV_COLOR_MAKE(0xff, 0xff, 0xff); /*Button pressed style*/ memcpy(&lv_style_btn_pr, &lv_style_btn_rel, sizeof(lv_style_t)); lv_style_btn_pr.body.main_color = LV_COLOR_MAKE(0x33, 0x62, 0x94); lv_style_btn_pr.body.grad_color = LV_COLOR_MAKE(0x10, 0x26, 0x3c); lv_style_btn_pr.text.color = LV_COLOR_MAKE(0xa4, 0xb5, 0xc6); lv_style_btn_pr.image.color = LV_COLOR_MAKE(0xa4, 0xb5, 0xc6); lv_style_btn_pr.line.color = LV_COLOR_MAKE(0xa4, 0xb5, 0xc6); /*Button toggle released style*/ memcpy(&lv_style_btn_tgl_rel, &lv_style_btn_rel, sizeof(lv_style_t)); lv_style_btn_tgl_rel.body.main_color = LV_COLOR_MAKE(0x0a, 0x11, 0x22); lv_style_btn_tgl_rel.body.grad_color = LV_COLOR_MAKE(0x37, 0x62, 0x90); lv_style_btn_tgl_rel.body.border.color = LV_COLOR_MAKE(0x01, 0x07, 0x0d); lv_style_btn_tgl_rel.text.color = LV_COLOR_MAKE(0xc8, 0xdd, 0xf4); lv_style_btn_tgl_rel.image.color = LV_COLOR_MAKE(0xc8, 0xdd, 0xf4); lv_style_btn_tgl_rel.line.color = LV_COLOR_MAKE(0xc8, 0xdd, 0xf4); /*Button toggle pressed style*/ memcpy(&lv_style_btn_tgl_pr, &lv_style_btn_tgl_rel, sizeof(lv_style_t)); lv_style_btn_tgl_pr.body.main_color = LV_COLOR_MAKE(0x02, 0x14, 0x27); lv_style_btn_tgl_pr.body.grad_color = LV_COLOR_MAKE(0x2b, 0x4c, 0x70); lv_style_btn_tgl_pr.text.color = LV_COLOR_MAKE(0xa4, 0xb5, 0xc6); lv_style_btn_tgl_pr.image.color = LV_COLOR_MAKE(0xa4, 0xb5, 0xc6); lv_style_btn_tgl_pr.line.color = LV_COLOR_MAKE(0xa4, 0xb5, 0xc6); /*Button inactive style*/ memcpy(&lv_style_btn_ina, &lv_style_btn_rel, sizeof(lv_style_t)); lv_style_btn_ina.body.main_color = LV_COLOR_MAKE(0xd8, 0xd8, 0xd8); lv_style_btn_ina.body.grad_color = LV_COLOR_MAKE(0xd8, 0xd8, 0xd8); lv_style_btn_ina.body.border.color = LV_COLOR_MAKE(0x90, 0x90, 0x90); lv_style_btn_ina.text.color = LV_COLOR_MAKE(0x70, 0x70, 0x70); lv_style_btn_ina.image.color = LV_COLOR_MAKE(0x70, 0x70, 0x70); lv_style_btn_ina.line.color = LV_COLOR_MAKE(0x70, 0x70, 0x70); } /** * Copy a style to an other * @param dest pointer to the destination style * @param src pointer to the source style */ void lv_style_copy(lv_style_t * dest, const lv_style_t * src) { memcpy(dest, src, sizeof(lv_style_t)); } /** * Mix two styles according to a given ratio * @param start start style * @param end end style * @param res store the result style here * @param ratio the ratio of mix [0..256]; 0: `start` style; 256: `end` style */ void lv_style_mix(const lv_style_t * start, const lv_style_t * end, lv_style_t * res, uint16_t ratio) { STYLE_ATTR_MIX(body.opa, ratio); STYLE_ATTR_MIX(body.radius, ratio); STYLE_ATTR_MIX(body.border.width, ratio); STYLE_ATTR_MIX(body.border.opa, ratio); STYLE_ATTR_MIX(body.shadow.width, ratio); STYLE_ATTR_MIX(body.padding.hor, ratio); STYLE_ATTR_MIX(body.padding.ver, ratio); STYLE_ATTR_MIX(body.padding.inner, ratio); STYLE_ATTR_MIX(text.line_space, ratio); STYLE_ATTR_MIX(text.letter_space, ratio); STYLE_ATTR_MIX(text.opa, ratio); STYLE_ATTR_MIX(line.width, ratio); STYLE_ATTR_MIX(line.opa, ratio); STYLE_ATTR_MIX(image.intense, ratio); STYLE_ATTR_MIX(image.opa, ratio); lv_opa_t opa = ratio == STYLE_MIX_MAX ? LV_OPA_COVER : ratio; res->body.main_color = lv_color_mix(end->body.main_color, start->body.main_color, opa); res->body.grad_color = lv_color_mix(end->body.grad_color, start->body.grad_color, opa); res->body.border.color = lv_color_mix(end->body.border.color, start->body.border.color, opa); res->body.shadow.color = lv_color_mix(end->body.shadow.color, start->body.shadow.color, opa); res->text.color = lv_color_mix(end->text.color, start->text.color, opa); res->image.color = lv_color_mix(end->image.color, start->image.color, opa); res->line.color = lv_color_mix(end->line.color, start->line.color, opa); if(ratio < (STYLE_MIX_MAX >> 1)) { res->body.empty = start->body.empty; res->body.border.part = start->body.border.part; res->glass = start->glass; res->text.font = start->text.font; res->body.shadow.type = start->body.shadow.type; res->line.rounded = start->line.rounded; } else { res->body.empty = end->body.empty; res->body.border.part = end->body.border.part; res->glass = end->glass; res->text.font = end->text.font; res->body.shadow.type = end->body.shadow.type; res->line.rounded = end->line.rounded; } } #if USE_LV_ANIMATION /** * Create an animation from a pre-configured 'lv_style_anim_t' variable * @param anim pointer to a pre-configured 'lv_style_anim_t' variable (will be copied) * @return pointer to a descriptor. Really this variable will be animated. (Can be used in `lv_anim_del(dsc, NULL)`) */ void * lv_style_anim_create(lv_style_anim_t * anim) { lv_style_anim_dsc_t * dsc; dsc = lv_mem_alloc(sizeof(lv_style_anim_dsc_t)); lv_mem_assert(dsc); if(dsc == NULL) return NULL; dsc->style_anim = anim->style_anim; memcpy(&dsc->style_start, anim->style_start, sizeof(lv_style_t)); memcpy(&dsc->style_end, anim->style_end, sizeof(lv_style_t)); memcpy(dsc->style_anim, anim->style_start, sizeof(lv_style_t)); dsc->end_cb = anim->end_cb; lv_anim_t a; a.var = (void *)dsc; a.start = 0; a.end = STYLE_MIX_MAX; a.fp = (lv_anim_fp_t)style_animator; a.path = lv_anim_path_linear; a.end_cb = style_animation_common_end_cb; a.act_time = anim->act_time; a.time = anim->time; a.playback = anim->playback; a.playback_pause = anim->playback_pause; a.repeat = anim->repeat; a.repeat_pause = anim->repeat_pause; lv_anim_create(&a); return dsc; } #endif /********************** * STATIC FUNCTIONS **********************/ #if USE_LV_ANIMATION /** * Used by the style animations to set the values of a style according to start and end style. * @param dsc the 'animated variable' set by lv_style_anim_create() * @param val the current state of the animation between 0 and LV_STYLE_ANIM_RES */ static void style_animator(lv_style_anim_dsc_t * dsc, int32_t val) { const lv_style_t * start = &dsc->style_start; const lv_style_t * end = &dsc->style_end; lv_style_t * act = dsc->style_anim; lv_style_mix(start, end, act, val); lv_obj_report_style_mod(dsc->style_anim); } /** * Called when a style animation is ready * It called the user defined call back and free the allocated memories * @param ptr the 'animated variable' set by lv_style_anim_create() */ static void style_animation_common_end_cb(void * ptr) { lv_style_anim_dsc_t * dsc = ptr; /*To avoid casting*/ if(dsc->end_cb) dsc->end_cb(dsc); lv_mem_free(dsc); } #endif