/** * @file lv_style.c * */ /********************* * INCLUDES *********************/ #include "lv_conf.h" #include "lv_style.h" #include "lv_obj.h" #include "misc/mem/dyn_mem.h" /********************* * DEFINES *********************/ #define LV_STYLE_ANIM_RES 255 /*Animation max in 1024 steps*/ #define LV_STYLE_ANIM_SHIFT 8 /*log2(LV_STYLE_ANIM_RES)*/ #define VAL_PROP(v1, v2, r) v1 + (((v2-v1) * r) >> LV_STYLE_ANIM_SHIFT) #define STYLE_ATTR_ANIM(attr, r) if(start->attr != end->attr) act->attr = VAL_PROP(start->attr, end->attr, r) /********************** * TYPEDEFS **********************/ typedef struct { const lv_style_t * style_start; const lv_style_t * style_end; lv_style_t * style_anim; }lv_style_anim_dsc_t; /********************** * STATIC PROTOTYPES **********************/ static void lv_style_aimator(lv_style_anim_dsc_t * dsc, int32_t val); /********************** * STATIC VARIABLES **********************/ static lv_style_t lv_style_scr; static lv_style_t lv_style_transp; static lv_style_t lv_style_transp_tight; static lv_style_t lv_style_plain; static lv_style_t lv_style_plain_color; static lv_style_t lv_style_pretty; static lv_style_t lv_style_pretty_color; static lv_style_t lv_style_btn_rel; static lv_style_t lv_style_btn_pr; static lv_style_t lv_style_btn_trel; static lv_style_t lv_style_btn_tpr; static 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.ccolor = COLOR_MAKE(0x20, 0x20, 0x20); lv_style_scr.opa = OPA_COVER; lv_style_scr.mcolor = COLOR_MAKE(0xc9, 0xdb, 0xee); lv_style_scr.gcolor = COLOR_MAKE(0x4d, 0x91, 0xd5); lv_style_scr.bcolor = COLOR_BLACK; lv_style_scr.scolor = COLOR_GRAY; lv_style_scr.radius = 0; lv_style_scr.bwidth = 0; lv_style_scr.swidth = 0; lv_style_scr.stype = LV_STYPE_FULL; lv_style_scr.vpad = LV_DPI / 12; lv_style_scr.hpad = LV_DPI / 12; lv_style_scr.opad = LV_DPI / 12; lv_style_scr.bopa = OPA_COVER; lv_style_scr.empty = 0; lv_style_scr.glass = 0; lv_style_scr.font = font_get(FONT_DEFAULT); lv_style_scr.letter_space = 1 * LV_DOWNSCALE; lv_style_scr.line_space = 2 * LV_DOWNSCALE; lv_style_scr.txt_align = LV_TXT_ALIGN_LEFT; lv_style_scr.img_recolor = OPA_TRANSP; lv_style_scr.line_width = 1 * LV_DOWNSCALE; /*Plain style (by default near the same as the screen style)*/ memcpy(&lv_style_plain, &lv_style_scr, sizeof(lv_style_t)); lv_style_plain.mcolor = COLOR_WHITE; lv_style_plain.gcolor = COLOR_WHITE; lv_style_plain.bcolor = COLOR_WHITE; /*Plain color style*/ memcpy(&lv_style_plain_color, &lv_style_plain, sizeof(lv_style_t)); lv_style_plain_color.ccolor = COLOR_MAKE(0xf0, 0xf0, 0xf0); lv_style_plain_color.mcolor = COLOR_MAKE(0x55, 0x96, 0xd8); lv_style_plain_color.gcolor = lv_style_plain_color.mcolor; /*Pretty style */ memcpy(&lv_style_pretty, &lv_style_plain, sizeof(lv_style_t)); lv_style_pretty.ccolor = COLOR_MAKE(0x20, 0x20, 0x20); lv_style_pretty.mcolor = COLOR_WHITE; lv_style_pretty.gcolor = COLOR_SILVER; lv_style_pretty.bcolor = COLOR_MAKE(0x40, 0x40, 0x40); lv_style_pretty.radius = LV_DPI / 15; lv_style_pretty.bwidth = LV_DPI / 50 >= 1 ? LV_DPI / 50 : 1; lv_style_pretty.bopa = OPA_50; /*Pretty color style*/ memcpy(&lv_style_pretty_color, &lv_style_pretty, sizeof(lv_style_t)); lv_style_pretty_color.ccolor = COLOR_MAKE(0xe0, 0xe0, 0xe0); lv_style_pretty_color.mcolor = COLOR_MAKE(0x6b, 0x9a, 0xc7); lv_style_pretty_color.gcolor = COLOR_MAKE(0x2b, 0x59, 0x8b); lv_style_pretty_color.bcolor = COLOR_MAKE(0x15, 0x2c, 0x42); /*Transparent style*/ memcpy(&lv_style_transp, &lv_style_plain, sizeof(lv_style_t)); lv_style_transp.empty = 1; lv_style_transp.bwidth = 0; lv_style_transp.glass = 1; /*Transparent tight style*/ memcpy(&lv_style_transp_tight, &lv_style_transp, sizeof(lv_style_t)); lv_style_transp_tight.hpad = 0; lv_style_transp_tight.vpad = 0; /*Button released style*/ memcpy(&lv_style_btn_rel, &lv_style_plain, sizeof(lv_style_t)); lv_style_btn_rel.mcolor = COLOR_MAKE(0x76, 0xa2, 0xd0); lv_style_btn_rel.gcolor = COLOR_MAKE(0x19, 0x3a, 0x5d); lv_style_btn_rel.bcolor = COLOR_MAKE(0x0b, 0x19, 0x28); lv_style_btn_rel.ccolor = COLOR_MAKE(0xff, 0xff, 0xff); lv_style_btn_rel.bwidth = LV_DPI / 50 >= 1 ? LV_DPI / 50 : 1; lv_style_btn_rel.radius = LV_DPI / 15; lv_style_btn_rel.bopa = OPA_70; lv_style_btn_rel.scolor = COLOR_GRAY; lv_style_btn_rel.swidth = 0; lv_style_btn_rel.hpad = LV_DPI / 4; lv_style_btn_rel.vpad = LV_DPI / 6; lv_style_btn_rel.opad = LV_DPI / 10; lv_style_btn_rel.txt_align = LV_TXT_ALIGN_MID; /*Button pressed style*/ memcpy(&lv_style_btn_pr, &lv_style_btn_rel, sizeof(lv_style_t)); lv_style_btn_pr.mcolor = COLOR_MAKE(0x33, 0x62, 0x94); lv_style_btn_pr.gcolor = COLOR_MAKE(0x10, 0x26, 0x3c); lv_style_btn_pr.ccolor = COLOR_MAKE(0xa4, 0xb5, 0xc6); /*Button toggle released style*/ memcpy(&lv_style_btn_trel, &lv_style_btn_rel, sizeof(lv_style_t)); lv_style_btn_trel.mcolor = COLOR_MAKE(0x0a, 0x11, 0x22); lv_style_btn_trel.gcolor = COLOR_MAKE(0x37, 0x62, 0x90); lv_style_btn_trel.bcolor = COLOR_MAKE(0x01, 0x07, 0x0d); lv_style_btn_trel.ccolor = COLOR_MAKE(0xc8, 0xdd, 0xf4); /*Button toggle pressed style*/ memcpy(&lv_style_btn_tpr, &lv_style_btn_rel, sizeof(lv_style_t)); lv_style_btn_tpr.mcolor = COLOR_MAKE(0x02, 0x14, 0x27); lv_style_btn_tpr.gcolor = COLOR_MAKE(0x2b, 0x4c, 0x70); lv_style_btn_tpr.ccolor = 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.mcolor = COLOR_MAKE(0xd8, 0xd8, 0xd8); lv_style_btn_ina.gcolor = COLOR_MAKE(0xd8, 0xd8, 0xd8); lv_style_btn_ina.bcolor = COLOR_MAKE(0x90, 0x90, 0x90); lv_style_btn_ina.ccolor = COLOR_MAKE(0x70, 0x70, 0x70); } /** * Get style from its name * @param style_name an element of the 'lv_style_name_t' enum * @return pointer to the requested style (lv_style_def by default) */ lv_style_t * lv_style_get(lv_style_name_t style_name, lv_style_t * copy) { lv_style_t * style = &lv_style_plain; switch(style_name) { case LV_STYLE_SCR: style = &lv_style_scr; break; case LV_STYLE_PLAIN: style = &lv_style_plain; break; case LV_STYLE_PLAIN_COLOR: style = &lv_style_plain_color; break; case LV_STYLE_PRETTY: style = &lv_style_pretty; break; case LV_STYLE_PRETTY_COLOR: style = &lv_style_pretty_color; break; case LV_STYLE_TRANSP: style = &lv_style_transp; break; case LV_STYLE_TRANSP_TIGHT: style = &lv_style_transp_tight; break; case LV_STYLE_BTN_REL: style = &lv_style_btn_rel; break; case LV_STYLE_BTN_PR: style = &lv_style_btn_pr; break; case LV_STYLE_BTN_TREL: style = &lv_style_btn_trel; break; case LV_STYLE_BTN_TPR: style = &lv_style_btn_tpr; break; case LV_STYLE_BTN_INA: style = &lv_style_btn_ina; break; default: style = &lv_style_plain; } if(copy != NULL) memcpy(copy, style, sizeof(lv_style_t)); return style; } /** * Copy a style to an other * @param dest pointer to the destination style * @param src pointer to the source style */ void lv_style_cpy(lv_style_t * dest, const lv_style_t * src) { memcpy(dest, src, sizeof(lv_style_t)); } /** * 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) */ void lv_style_anim_create(lv_style_anim_t * anim) { lv_style_anim_dsc_t * dsc; dsc = dm_alloc(sizeof(lv_style_anim_dsc_t)); dsc->style_anim = anim->style_anim; dsc->style_start = anim->style_start; dsc->style_end = anim->style_end; anim_t a; a.var = (void*)dsc; a.start = 0; a.end = LV_STYLE_ANIM_RES; a.fp = (anim_fp_t)lv_style_aimator; a.path = anim_get_path(ANIM_PATH_LIN); a.end_cb = anim->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; anim_create(&a); } /********************** * STATIC FUNCTIONS **********************/ /** * 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 lv_style_aimator(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; STYLE_ATTR_ANIM(opa, val); STYLE_ATTR_ANIM(radius, val); STYLE_ATTR_ANIM(bwidth, val); STYLE_ATTR_ANIM(swidth, val); STYLE_ATTR_ANIM(hpad, val); STYLE_ATTR_ANIM(vpad, val); STYLE_ATTR_ANIM(opad, val); STYLE_ATTR_ANIM(line_space, val); STYLE_ATTR_ANIM(letter_space, val); STYLE_ATTR_ANIM(line_width, val); STYLE_ATTR_ANIM(img_recolor, val); act->mcolor = color_mix(end->mcolor, start->mcolor, val); act->gcolor = color_mix(end->gcolor, start->gcolor, val); act->bcolor = color_mix(end->bcolor, start->bcolor, val); act->scolor = color_mix(end->scolor, start->scolor, val); act->ccolor = color_mix(end->ccolor, start->ccolor, val); if(val == 0) { act->empty = start->empty; act->glass = start->glass; act->font = start->font; act->stype = start->stype; act->txt_align = start->txt_align; } if(val == LV_STYLE_ANIM_RES) { act->empty = end->empty; act->glass = end->glass; act->font = end->font; act->stype = end->stype; act->txt_align = end->txt_align; } lv_style_refr_objs(dsc->style_anim); }