lv_theme_mono: add monochrome theme

lv_themes/lv_theme_mono.c

+/**
+ * @file lv_theme_templ.c
+ *
+ */
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_theme.h"
+
+
+#if USE_LV_THEME_MONO
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+static lv_theme_t theme;
+static lv_style_t def;
+
+/*Static style definitions*/
+static lv_style_t light_plain;
+static lv_style_t dark_plain;
+static lv_style_t light_frame;
+static lv_style_t dark_frame;
+
+/*Saved input parameters*/
+static uint16_t _hue;
+static lv_font_t * _font;
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+static void basic_init(void)
+{
+    lv_style_copy(&def, &lv_style_plain);  /*Initialize the default style*/
+    def.body.main_color = LV_COLOR_WHITE;
+    def.body.grad_color = LV_COLOR_WHITE;
+    def.body.radius = 0;
+    def.body.opa = LV_OPA_COVER;
+    def.body.padding.hor = LV_DPI / 10;
+    def.body.padding.ver = LV_DPI / 10;
+    def.body.padding.inner = LV_DPI / 10;
+    def.body.border.color = LV_COLOR_BLACK;
+    def.body.border.width = 1 << LV_AA;
+    def.body.border.opa = LV_OPA_COVER;
+    def.body.border.part = LV_BORDER_FULL;
+
+    def.text.font = _font;
+    def.text.color = LV_COLOR_BLACK;
+    def.text.letter_space = 1 << LV_AA;
+    def.text.line_space = 1 << LV_AA;
+
+    def.line.color = LV_COLOR_BLACK;
+    def.line.opa = LV_OPA_COVER;
+    def.line.width = 1 << LV_AA;
+
+    def.image.color = LV_COLOR_BLACK;
+    def.image.intense = LV_OPA_TRANSP;
+    def.image.opa = LV_OPA_COVER;
+
+    lv_style_copy(&light_plain, &def);
+
+    lv_style_copy(&light_frame, &light_plain);
+    light_frame.body.radius = LV_DPI / 20;
+
+    lv_style_copy(&dark_plain, &light_plain);
+    dark_plain.body.main_color = LV_COLOR_BLACK;
+    dark_plain.body.grad_color = LV_COLOR_BLACK;
+    dark_plain.body.border.color = LV_COLOR_WHITE;
+    dark_plain.text.color = LV_COLOR_WHITE;
+    dark_plain.line.color = LV_COLOR_WHITE;
+    dark_plain.image.color = LV_COLOR_WHITE;
+
+    lv_style_copy(&dark_frame, &dark_plain);
+    dark_frame.body.radius = LV_DPI / 20;
+
+    theme.bg = &def;
+    theme.panel = &light_frame;
+
+}
+
+static void cont_init(void)
+{
+#if USE_LV_CONT != 0
+
+
+    theme.cont = &def;
+#endif
+}
+
+static void btn_init(void)
+{
+#if USE_LV_BTN != 0
+
+
+    theme.btn.rel = &light_frame;
+    theme.btn.pr = &dark_frame;
+    theme.btn.tgl_rel = &dark_frame;
+    theme.btn.tgl_pr =  &light_frame;
+    theme.btn.ina =  &light_frame;
+#endif
+}
+
+
+static void label_init(void)
+{
+#if USE_LV_LABEL != 0
+
+
+    theme.label.prim = NULL;
+    theme.label.sec = NULL;
+    theme.label.hint = NULL;
+#endif
+}
+
+static void img_init(void)
+{
+#if USE_LV_IMG != 0
+
+
+    theme.img.light = &def;
+    theme.img.dark = &def;
+#endif
+}
+
+static void line_init(void)
+{
+#if USE_LV_LINE != 0
+    theme.line.decor = NULL;
+#endif
+}
+
+static void led_init(void)
+{
+#if USE_LV_LED != 0
+    static lv_style_t led;
+    lv_style_copy(&led, &light_frame);
+    led.body.radius = LV_RADIUS_CIRCLE;
+    led.body.shadow.width = LV_DPI / 8;
+    led.body.shadow.color = LV_COLOR_BLACK;
+    led.body.shadow.type = LV_SHADOW_FULL;
+
+    theme.led = &led;
+#endif
+}
+
+static void bar_init(void)
+{
+#if USE_LV_BAR
+    static lv_style_t bar_bg;
+    static lv_style_t bar_indic;
+
+    lv_style_copy(&bar_bg, &light_frame);
+    bar_bg.body.padding.hor = LV_DPI / 15;
+    bar_bg.body.padding.ver = LV_DPI / 15;
+
+    lv_style_copy(&bar_indic, &dark_frame);
+    bar_indic.body.padding.hor = LV_DPI / 30;
+    bar_indic.body.padding.ver = LV_DPI / 30;
+
+    theme.bar.bg = &bar_bg;
+    theme.bar.indic = &bar_indic;
+#endif
+}
+
+static void slider_init(void)
+{
+#if USE_LV_SLIDER != 0
+    static lv_style_t slider_knob;
+    lv_style_copy(&slider_knob, &light_frame);
+    slider_knob.body.radius = LV_RADIUS_CIRCLE;
+    slider_knob.body.padding.hor = LV_DPI / 30;
+    slider_knob.body.padding.ver = LV_DPI / 30;
+
+    theme.slider.bg = theme.bar.bg;
+    theme.slider.indic = theme.bar.indic;
+    theme.slider.knob = &slider_knob;
+#endif
+}
+
+static void sw_init(void)
+{
+#if USE_LV_SW != 0
+
+
+    theme.sw.bg = theme.slider.bg;
+    theme.sw.indic = theme.slider.indic;
+    theme.sw.knob_off = theme.slider.knob;
+    theme.sw.knob_on = theme.slider.knob;
+#endif
+}
+
+
+static void lmeter_init(void)
+{
+#if USE_LV_LMETER != 0
+    static lv_style_t lmeter_bg;
+    lv_style_copy(&lmeter_bg, &light_frame);
+    lmeter_bg.body.empty = 1;
+    lmeter_bg.body.main_color = LV_COLOR_BLACK;
+    lmeter_bg.body.grad_color = LV_COLOR_BLACK;
+    lmeter_bg.body.padding.hor = LV_DPI / 20;
+    lmeter_bg.body.padding.inner = LV_DPI / 8;
+    lmeter_bg.line.color = LV_COLOR_WHITE;
+
+    theme.lmeter = &lmeter_bg;
+#endif
+}
+
+static void gauge_init(void)
+{
+#if USE_LV_GAUGE != 0
+
+
+    theme.gauge = theme.lmeter;
+#endif
+}
+
+static void chart_init(void)
+{
+#if USE_LV_CHART
+
+
+    theme.chart = &light_frame;
+#endif
+}
+
+static void cb_init(void)
+{
+#if USE_LV_CB != 0
+
+
+    theme.cb.bg = &lv_style_transp;
+    theme.cb.box.rel = &light_frame;
+    theme.cb.box.pr = &dark_frame;
+    theme.cb.box.tgl_rel = &dark_frame;
+    theme.cb.box.tgl_pr = &light_frame;
+    theme.cb.box.ina = &light_frame;
+#endif
+}
+
+
+static void btnm_init(void)
+{
+#if USE_LV_BTNM
+
+
+    theme.btnm.bg = &light_frame;
+    theme.btnm.btn.rel = &light_frame;
+    theme.btnm.btn.pr = &dark_frame;
+    theme.btnm.btn.tgl_rel = &dark_frame;
+    theme.btnm.btn.tgl_pr = &light_frame;
+    theme.btnm.btn.ina = &light_frame;
+#endif
+}
+
+static void kb_init(void)
+{
+#if USE_LV_KB
+    theme.kb.bg = &lv_style_transp_fit;
+    theme.kb.btn.rel = &light_frame;
+    theme.kb.btn.pr = &light_frame;
+    theme.kb.btn.tgl_rel = &dark_frame;
+    theme.kb.btn.tgl_pr = &dark_frame;
+    theme.kb.btn.ina = &light_frame;
+#endif
+
+}
+
+static void mbox_init(void)
+{
+#if USE_LV_MBOX
+
+
+    theme.mbox.bg = &dark_frame;
+    theme.mbox.btn.bg = &lv_style_transp_fit;
+    theme.mbox.btn.rel = &light_frame;
+    theme.mbox.btn.pr = &dark_frame;
+#endif
+}
+
+static void page_init(void)
+{
+#if USE_LV_PAGE
+
+
+    theme.page.bg = &light_frame;
+    theme.page.scrl = &light_frame;
+    theme.page.sb = &dark_frame;
+#endif
+}
+
+static void ta_init(void)
+{
+#if USE_LV_TA
+
+
+    theme.ta.area = &light_frame;
+    theme.ta.oneline = &light_frame;
+    theme.ta.cursor = NULL;     /*Let library to calculate the cursor's style*/
+    theme.ta.sb = &dark_frame;
+#endif
+}
+
+static void list_init(void)
+{
+#if USE_LV_LIST != 0
+
+
+    theme.list.sb = &dark_frame;
+    theme.list.bg = &light_frame;
+    theme.list.scrl = &lv_style_transp_fit;
+    theme.list.btn.rel = &light_plain;
+    theme.list.btn.pr = &dark_plain;
+    theme.list.btn.tgl_rel = &dark_plain;
+    theme.list.btn.tgl_pr = &light_plain;
+    theme.list.btn.ina = &light_plain;
+#endif
+}
+
+static void ddlist_init(void)
+{
+#if USE_LV_DDLIST != 0
+
+
+    theme.ddlist.bg = &light_frame;
+    theme.ddlist.sel = &light_plain;
+    theme.ddlist.sb = &dark_frame;
+#endif
+}
+
+static void roller_init(void)
+{
+#if USE_LV_ROLLER != 0
+
+
+    theme.roller.bg = &light_frame;
+    theme.roller.sel = &dark_frame;
+#endif
+}
+
+static void tabview_init(void)
+{
+#if USE_LV_TABVIEW != 0
+
+
+    theme.tabview.bg = &light_frame;
+    theme.tabview.indic = &light_plain;
+    theme.tabview.btn.bg = &lv_style_transp_fit;
+    theme.tabview.btn.rel = &light_frame;
+    theme.tabview.btn.pr = &dark_frame;
+    theme.tabview.btn.tgl_rel = &dark_frame;
+    theme.tabview.btn.tgl_pr = &light_frame;
+#endif
+}
+
+
+static void win_init(void)
+{
+#if USE_LV_WIN != 0
+    static lv_style_t win_header;
+    lv_style_copy(&win_header, &dark_plain);
+    win_header.body.padding.hor = LV_DPI / 30;
+    win_header.body.padding.ver = LV_DPI / 30;
+
+    theme.win.bg = &light_frame;
+    theme.win.sb = &dark_frame;
+    theme.win.header = &win_header;
+    theme.win.content.bg = &lv_style_transp;
+    theme.win.content.scrl = &lv_style_transp;
+    theme.win.btn.rel = &light_frame;
+    theme.win.btn.pr = &dark_frame;
+#endif
+}
+
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+
+
+/**
+ * Initialize the mono theme
+ * @param hue [0..360] hue value from HSV color space to define the theme's base color
+ * @param font pointer to a font (NULL to use the default)
+ * @return pointer to the initialized theme
+ */
+lv_theme_t * lv_theme_mono_init(uint16_t hue, lv_font_t *font)
+{
+    if(font == NULL) font = LV_FONT_DEFAULT;
+
+    _hue = hue;
+    _font = font;
+
+    /*For backward compatibility initialize all theme elements with a default style */
+    uint16_t i;
+    lv_style_t **style_p = (lv_style_t**) &theme;
+    for(i = 0; i < sizeof(lv_theme_t) / sizeof(lv_style_t*); i++) {
+        *style_p = &def;
+        style_p++;
+    }
+
+    basic_init();
+    cont_init();
+    btn_init();
+    label_init();
+    img_init();
+    line_init();
+    led_init();
+    bar_init();
+    slider_init();
+    sw_init();
+    lmeter_init();
+    gauge_init();
+    chart_init();
+    cb_init();
+    btnm_init();
+    kb_init();
+    mbox_init();
+    page_init();
+    ta_init();
+    list_init();
+    ddlist_init();
+    roller_init();
+    tabview_init();
+    win_init();
+
+    return &theme;
+}
+
+/**
+ * Get a pointer to the theme
+ * @return pointer to the theme
+ */
+lv_theme_t * lv_theme_get_templ(void)
+{
+    return &theme;
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+#endif
+

lv_themes/lv_theme_mono.h

+/**
+ * @file lv_theme_mono.h
+ *
+ */
+
+#ifndef LV_THEME_MONO_H
+#define LV_THEME_MONO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "../../lv_conf.h"
+
+#if USE_LV_THEME_MONO
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Initialize the mono theme
+ * @param hue [0..360] hue value from HSV color space to define the theme's base color
+ * @param font pointer to a font (NULL to use the default)
+ * @return pointer to the initialized theme
+ */
+lv_theme_t * lv_theme_mono_init(uint16_t hue, lv_font_t *font);
+
+/**
+ * Get a pointer to the theme
+ * @return pointer to the theme
+ */
+lv_theme_t * lv_theme_get_mono(void);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#endif
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /*LV_THEME_MONO_H*/