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84 lines
2.5 KiB
84 lines
2.5 KiB
/**
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* TODO file description
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*/
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#include "fb_text.h"
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#include "framebuffer.h"
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#include "utf8.h"
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#include "font.h"
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void fb_text_P_or_RAM(fbpos_t x, fbpos_t y, const char *text, uint8_t flags, fbcolor_t color, bool is_pgmem) {
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struct Utf8Iterator iter;
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Utf8Iterator_Init(&iter, text);
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iter.is_progmem = is_pgmem;
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struct Utf8Char uchar;
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uint8_t symw;
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uint8_t symh;
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if (flags & FONT_4X5) {
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symw = 4;
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symh = 5;
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} else if (flags & FONT_3X5) {
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symw = 3;
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symh = 5;
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} else {
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symw = 5;
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symh = 7;
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}
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while ((uchar = Utf8Iterator_Next(&iter)).uint) {
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const uint8_t *data;
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if (flags & FONT_4X5) {
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const font4x_bitmap_t *sym = font45_getsym(&uchar);
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data = sym->data;
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} else if (flags & FONT_3X5) {
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const font3x_bitmap_t *sym = font35_getsym(&uchar);
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data = sym->data;
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} else{
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const font5x_bitmap_t *sym = font57_getsym(&uchar);
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data = sym->data;
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}
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if (0 == (flags & FONT_DOUBLE)) {
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// no double, using normal format
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fb_bitmap_P(x, y, symw, symh, data, color);
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if (flags & FONT_BOLD) {
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x++;
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fb_bitmap_P(x, y, symw, symh, data, color);
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x += symw+2;
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} else {
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x += symw+1;
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}
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} else {
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// slow, pixel-by-pixel drawing
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const uint8_t pxw = (flags & FONT_DOUBLEW) ? 2 : 1;
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const uint8_t pxh = (flags & FONT_DOUBLEH) ? 2 : 1;
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for(fbpos_t xx = 0; xx < symw; xx++) {
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uint8_t column = pgm_read_byte(&data[xx]);
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for(fbpos_t yy = 0; yy < symh; yy++) {
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if (column & (1 << yy)) {
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fb_rect(x + xx * pxw, y + yy * pxh, pxw, pxh, color);
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if (flags & FONT_BOLD) {
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fb_rect(x + (xx + 1) * pxw, y + yy * pxh, pxw, pxh, color);
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}
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}
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}
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}
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if (flags & FONT_BOLD) {
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x += (symw+2) * pxw;
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} else {
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x += (symw+1) * pxw;
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}
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}
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}
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}
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void fb_text_P(fbpos_t x, fbpos_t y, const char *text, uint8_t flags, fbcolor_t color)
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{
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fb_text_P_or_RAM(x, y, text, flags, color, true);
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}
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void fb_text(fbpos_t x, fbpos_t y, const char *text, uint8_t flags, fbcolor_t color) {
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fb_text_P_or_RAM(x, y, text, flags, color, false);
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}
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