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@ -18,28 +18,6 @@ |
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////////////////////////////////////////////////////////////
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typedef void font_t; |
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#ifndef PSTR |
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#define PSTR(a) a |
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void* memcpy_from_rom(void *dest, const void * rom_src, size_t sz) { |
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uint8_t * p; |
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uint8_t * s; |
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FU_ASSERT(NULL != dest); |
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p = (uint8_t*)dest; |
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s = (uint8_t*)rom_src; |
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uint8_t c; |
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while ((p - (uint8_t *)dest) < sz) { |
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*p = pgm_read_byte(s); |
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p ++; |
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s ++; |
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} |
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return p; |
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} |
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#else |
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#define memcpy_from_rom memcpy_P |
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#endif |
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/**
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* @brief the callback function to draw something |
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* |
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@ -53,25 +31,14 @@ void* memcpy_from_rom(void *dest, const void * rom_src, size_t sz) { |
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*/ |
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typedef int (* fontgroup_cb_draw_t)(void *userdata, const font_t *fnt_current, const char *msg); |
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//extern int fontgroup_init(font_group_t * root, const uxg_fontinfo_t * fntinfo, int number);
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//extern int fontgroup_drawstring(font_group_t *group, const font_t *fnt_default, const char *utf8_msg, void *userdata, fontgroup_cb_draw_t cb_draw);
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//extern uxg_fontinfo_t* fontgroup_first(font_group_t * root);
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////////////////////////////////////////////////////////////
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/* return v1 - v2 */ |
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static int fontinfo_compare(uxg_fontinfo_t * v1, uxg_fontinfo_t * v2) { |
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FU_ASSERT(NULL != v1); |
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FU_ASSERT(NULL != v2); |
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if (v1->page < v2->page) |
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return -1; |
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else if (v1->page > v2->page) |
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return 1; |
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if (v1->page < v2->page) return -1; |
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else if (v1->page > v2->page) return 1; |
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if (v1->end < v2->begin) |
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return -1; |
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else if (v1->begin > v2->end) |
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return 1; |
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if (v1->end < v2->begin) return -1; |
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else if (v1->begin > v2->end) return 1; |
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return 0; |
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} |
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@ -80,7 +47,7 @@ static int fontinfo_compare(uxg_fontinfo_t * v1, uxg_fontinfo_t * v2) { |
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static int pf_bsearch_cb_comp_fntifo_pgm (void *userdata, size_t idx, void *data_pin) { |
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uxg_fontinfo_t *fntinfo = (uxg_fontinfo_t*)userdata; |
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uxg_fontinfo_t localval; |
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memcpy_from_rom(&localval, fntinfo + idx, sizeof(localval)); |
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memcpy_P(&localval, fntinfo + idx, sizeof(localval)); |
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return fontinfo_compare(&localval, (uxg_fontinfo_t*)data_pin); |
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} |
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@ -92,7 +59,6 @@ typedef struct _font_group_t { |
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static int fontgroup_init(font_group_t * root, const uxg_fontinfo_t * fntinfo, int number) { |
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root->m_fntifo = fntinfo; |
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root->m_fntinfo_num = number; |
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return 0; |
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} |
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@ -105,26 +71,23 @@ static const font_t* fontgroup_find(font_group_t * root, wchar_t val) { |
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if (pf_bsearch_r((void*)root->m_fntifo, root->m_fntinfo_num, pf_bsearch_cb_comp_fntifo_pgm, (void*)&vcmp, &idx) < 0) |
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return NULL; |
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memcpy_from_rom(&vcmp, root->m_fntifo + idx, sizeof(vcmp)); |
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memcpy_P(&vcmp, root->m_fntifo + idx, sizeof(vcmp)); |
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return vcmp.fntdata; |
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} |
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static void fontgroup_drawwchar(font_group_t *group, const font_t *fnt_default, wchar_t val, void * userdata, fontgroup_cb_draw_t cb_draw_ram) { |
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uint8_t buf[2] = {0, 0}; |
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const font_t * fntpqm = NULL; |
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TRACE("fontgroup_drawwchar char=%d(0x%X)", (int)val, (int)val); |
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fntpqm = (font_t*)fontgroup_find(group, val); |
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if (NULL == fntpqm) { |
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const font_t * fntpqm = (font_t*)fontgroup_find(group, val); |
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if (!fntpqm) { |
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// Unknown char, use default font
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buf[0] = (uint8_t)(val & 0xFF); |
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fntpqm = fnt_default; |
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TRACE("Unknown char %d(0x%X), use default font", (int)val, (int)val); |
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} |
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if (fnt_default != fntpqm) { |
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buf[0] = (uint8_t)(val & 0x7F); |
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buf[0] |= 0x80; // use upper page to avoid 0x00 error in C. you may want to generate the font data
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} |
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//TRACE("set font: %p; (default=%p)", fntpqm, UXG_DEFAULT_FONT);
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cb_draw_ram (userdata, fntpqm, (char*) buf); |
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} |
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@ -142,31 +105,27 @@ static void fontgroup_drawwchar(font_group_t *group, const font_t *fnt_default, |
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* |
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* Get the screen pixel width of a ROM UTF-8 string |
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*/ |
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static void fontgroup_drawstring(font_group_t *group, const font_t *fnt_default, const char *utf8_msg, int len_msg, read_byte_cb_t cb_read_byte, void * userdata, fontgroup_cb_draw_t cb_draw_ram) { |
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uint8_t *pend = (uint8_t*)utf8_msg + len_msg; |
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for (uint8_t *p = (uint8_t*)utf8_msg; p < pend; ) { |
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static void fontgroup_drawstring(font_group_t *group, const font_t *fnt_default, const char *utf8_msg, read_byte_cb_t cb_read_byte, void * userdata, fontgroup_cb_draw_t cb_draw_ram) { |
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uint8_t *p = (uint8_t*)utf8_msg; |
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for (;;) { |
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wchar_t val = 0; |
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p = get_utf8_value_cb(p, cb_read_byte, &val); |
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if (NULL == p) { |
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TRACE("No more char, break ..."); |
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break; |
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} |
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if (!val) break; |
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fontgroup_drawwchar(group, fnt_default, val, userdata, cb_draw_ram); |
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} |
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} |
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////////////////////////////////////////////////////////////
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static char flag_fontgroup_inited1 = 0; |
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#define flag_fontgroup_inited flag_fontgroup_inited1 |
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static bool flag_fontgroup_was_inited = false; |
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static font_group_t g_fontgroup_root = {NULL, 0}; |
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/**
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* @brief check if font is loaded |
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*/ |
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char uxg_Utf8FontIsInited(void) { return flag_fontgroup_inited; } |
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static inline bool uxg_Utf8FontIsInited(void) { return flag_fontgroup_was_inited; } |
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int uxg_SetUtf8Fonts (const uxg_fontinfo_t * fntinfo, int number) { |
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flag_fontgroup_inited = 1; |
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flag_fontgroup_was_inited = 1; |
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return fontgroup_init(&g_fontgroup_root, fntinfo, number); |
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} |
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@ -179,22 +138,17 @@ struct _uxg_drawu8_data_t { |
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const void * fnt_prev; |
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}; |
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static int fontgroup_cb_draw_u8g (void *userdata, const font_t *fnt_current, const char *msg) { |
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static int fontgroup_cb_draw_u8g(void *userdata, const font_t *fnt_current, const char *msg) { |
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struct _uxg_drawu8_data_t * pdata = (_uxg_drawu8_data_t*)userdata; |
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FU_ASSERT(NULL != userdata); |
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if (pdata->fnt_prev != fnt_current) { |
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u8g_SetFont(pdata->pu8g, (const u8g_fntpgm_uint8_t*)fnt_current); |
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//u8g_SetFontPosBottom(pdata->pu8g);
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pdata->fnt_prev = fnt_current; |
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} |
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if ((pdata->max_width != PIXEL_LEN_NOLIMIT) && (pdata->adv + u8g_GetStrPixelWidth(pdata->pu8g, (char*)msg) > pdata->max_width)) { |
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TRACE("return end, adv=%d, width=%d, maxlen=%d", pdata->adv, u8g_GetStrPixelWidth(pdata->pu8g, (char*)msg), pdata->max_width); |
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if ((pdata->max_width != PIXEL_LEN_NOLIMIT) && (pdata->adv + u8g_GetStrPixelWidth(pdata->pu8g, (char*)msg) > pdata->max_width)) |
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return 1; |
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} |
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TRACE("Draw string 0x%X", (int)msg[0]); |
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pdata->adv += u8g_DrawStr(pdata->pu8g, pdata->x + pdata->adv, pdata->y, (char*) msg); |
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//TRACE("adv pos= %d", pdata->adv);
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return 0; |
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} |
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@ -260,7 +214,7 @@ unsigned int uxg_DrawUtf8Str(u8g_t *pu8g, unsigned int x, unsigned int y, const |
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data.adv = 0; |
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data.max_width = max_width; |
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data.fnt_prev = NULL; |
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fontgroup_drawstring(group, fnt_default, utf8_msg, strlen(utf8_msg), read_byte_ram, (void*)&data, fontgroup_cb_draw_u8g); |
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fontgroup_drawstring(group, fnt_default, utf8_msg, read_byte_ram, (void*)&data, fontgroup_cb_draw_u8g); |
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u8g_SetFont(pu8g, (const u8g_fntpgm_uint8_t*)fnt_default); |
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return data.adv; |
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@ -285,7 +239,6 @@ unsigned int uxg_DrawUtf8StrP(u8g_t *pu8g, unsigned int x, unsigned int y, const |
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const font_t *fnt_default = uxg_GetFont(pu8g); |
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if (!uxg_Utf8FontIsInited()) { |
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TRACE("Error, utf8string not inited!"); |
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u8g_DrawStrP(pu8g, x, y, (const u8g_pgm_uint8_t *)PSTR("Err: utf8 font not initialized.")); |
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return 0; |
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} |
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@ -295,19 +248,15 @@ unsigned int uxg_DrawUtf8StrP(u8g_t *pu8g, unsigned int x, unsigned int y, const |
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data.adv = 0; |
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data.max_width = max_width; |
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data.fnt_prev = NULL; |
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TRACE("call fontgroup_drawstring"); |
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fontgroup_drawstring(group, fnt_default, utf8_msg, my_strlen_P(utf8_msg), read_byte_rom, (void*)&data, fontgroup_cb_draw_u8g); |
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TRACE("restore font"); |
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fontgroup_drawstring(group, fnt_default, utf8_msg, read_byte_rom, (void*)&data, fontgroup_cb_draw_u8g); |
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u8g_SetFont(pu8g, (const u8g_fntpgm_uint8_t*)fnt_default); |
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TRACE("return %d", data.adv); |
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return data.adv; |
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} |
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static int fontgroup_cb_draw_u8gstrlen(void *userdata, const font_t *fnt_current, const char *msg) { |
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struct _uxg_drawu8_data_t * pdata = (_uxg_drawu8_data_t*)userdata; |
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FU_ASSERT(NULL != userdata); |
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if (pdata->fnt_prev != fnt_current) { |
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u8g_SetFont(pdata->pu8g, (const u8g_fntpgm_uint8_t*)fnt_current); |
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u8g_SetFontPosBottom(pdata->pu8g); |
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@ -332,15 +281,12 @@ int uxg_GetUtf8StrPixelWidth(u8g_t *pu8g, const char *utf8_msg) { |
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font_group_t *group = &g_fontgroup_root; |
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const font_t *fnt_default = uxg_GetFont(pu8g); |
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if (!uxg_Utf8FontIsInited()) { |
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TRACE("Err: utf8 font not initialized."); |
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return -1; |
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} |
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if (!uxg_Utf8FontIsInited()) return -1; |
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memset(&data, 0, sizeof(data)); |
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data.pu8g = pu8g; |
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data.adv = 0; |
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fontgroup_drawstring(group, fnt_default, utf8_msg, strlen(utf8_msg), read_byte_ram, (void*)&data, fontgroup_cb_draw_u8gstrlen); |
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fontgroup_drawstring(group, fnt_default, utf8_msg, read_byte_ram, (void*)&data, fontgroup_cb_draw_u8gstrlen); |
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u8g_SetFont(pu8g, (const u8g_fntpgm_uint8_t*)fnt_default); |
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return data.adv; |
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@ -361,14 +307,12 @@ int uxg_GetUtf8StrPixelWidthP(u8g_t *pu8g, const char *utf8_msg) { |
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font_group_t *group = &g_fontgroup_root; |
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const font_t *fnt_default = uxg_GetFont(pu8g); |
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if (!uxg_Utf8FontIsInited()) { |
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TRACE("Err: utf8 font not initialized."); |
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return -1; |
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} |
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if (!uxg_Utf8FontIsInited()) return -1; |
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memset(&data, 0, sizeof(data)); |
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data.pu8g = pu8g; |
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data.adv = 0; |
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fontgroup_drawstring(group, fnt_default, utf8_msg, my_strlen_P(utf8_msg), read_byte_rom, (void*)&data, fontgroup_cb_draw_u8gstrlen); |
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fontgroup_drawstring(group, fnt_default, utf8_msg, read_byte_rom, (void*)&data, fontgroup_cb_draw_u8gstrlen); |
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u8g_SetFont(pu8g, (const u8g_fntpgm_uint8_t*)fnt_default); |
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return data.adv; |
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} |
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Eduardo José Tagle
7 years ago
Scott Lahteine