More examples
bzt
3 years ago
parent
6a432a12fe
commit
dce7280340
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TARGET = bmpfont.efi
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#USE_GCC=1
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include uefi/Makefile
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#include <uefi.h>
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/* Scalable Screen Font (https://gitlab.com/bztsrc/scalable-font2) */
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typedef struct {
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unsigned char magic[4];
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unsigned int size;
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unsigned char type;
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unsigned char features;
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unsigned char width;
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unsigned char height;
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unsigned char baseline;
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unsigned char underline;
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unsigned short fragments_offs;
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unsigned int characters_offs;
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unsigned int ligature_offs;
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unsigned int kerning_offs;
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unsigned int cmap_offs;
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} __attribute__((packed)) ssfn_font_t;
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/* framebuffer properties */
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unsigned int width, height, pitch;
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unsigned char *lfb;
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/* font to be used */
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ssfn_font_t *font;
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/**
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* Display string using a bitmap font without the SSFN library
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*/
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void printString(int x, int y, char *s)
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{
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unsigned char *ptr, *chr, *frg;
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unsigned int c;
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uintptr_t o, p;
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int i, j, k, l, m, n;
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while(*s) {
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c = 0; s += mbtowc((wchar_t*)&c, (const char*)s, 4);
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if(c == '\r') { x = 0; continue; } else
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if(c == '\n') { x = 0; y += font->height; continue; }
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for(ptr = (unsigned char*)font + font->characters_offs, chr = 0, i = 0; i < 0x110000; i++) {
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if(ptr[0] == 0xFF) { i += 65535; ptr++; }
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else if((ptr[0] & 0xC0) == 0xC0) { j = (((ptr[0] & 0x3F) << 8) | ptr[1]); i += j; ptr += 2; }
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else if((ptr[0] & 0xC0) == 0x80) { j = (ptr[0] & 0x3F); i += j; ptr++; }
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else { if((unsigned int)i == c) { chr = ptr; break; } ptr += 6 + ptr[1] * (ptr[0] & 0x40 ? 6 : 5); }
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}
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if(!chr) continue;
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ptr = chr + 6; o = (uintptr_t)lfb + y * pitch + x * 4;
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for(i = n = 0; i < chr[1]; i++, ptr += chr[0] & 0x40 ? 6 : 5) {
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if(ptr[0] == 255 && ptr[1] == 255) continue;
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frg = (unsigned char*)font + (chr[0] & 0x40 ? ((ptr[5] << 24) | (ptr[4] << 16) | (ptr[3] << 8) | ptr[2]) :
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((ptr[4] << 16) | (ptr[3] << 8) | ptr[2]));
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if((frg[0] & 0xE0) != 0x80) continue;
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o += (int)(ptr[1] - n) * pitch; n = ptr[1];
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k = ((frg[0] & 0x1F) + 1) << 3; j = frg[1] + 1; frg += 2;
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for(m = 1; j; j--, n++, o += pitch)
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for(p = o, l = 0; l < k; l++, p += 4, m <<= 1) {
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if(m > 0x80) { frg++; m = 1; }
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if(*frg & m) *((unsigned int*)p) = 0xFFFFFF;
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}
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}
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x += chr[4]+1; y += chr[5];
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}
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}
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/**
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* Display bitmap fonts
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*/
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int main(int argc, char **argv)
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{
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efi_status_t status;
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efi_guid_t gopGuid = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
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efi_gop_t *gop = NULL;
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efi_gop_mode_info_t *info = NULL;
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uintn_t isiz = sizeof(efi_gop_mode_info_t), currentMode, i;
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FILE *f;
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long int size;
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/* load font */
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if((f = fopen("\\0A_bmpfont\\font.sfn", "r"))) {
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fseek(f, 0, SEEK_END);
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size = ftell(f);
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fseek(f, 0, SEEK_SET);
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font = (ssfn_font_t*)malloc(size + 1);
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if(!font) {
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fprintf(stderr, "unable to allocate memory\n");
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return 1;
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}
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fread(font, size, 1, f);
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fclose(f);
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} else {
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fprintf(stderr, "Unable to load font\n");
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return 0;
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}
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/* set video mode */
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status = BS->LocateProtocol(&gopGuid, NULL, (void**)&gop);
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if(!EFI_ERROR(status) && gop) {
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status = gop->SetMode(gop, 0);
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ST->ConOut->Reset(ST->ConOut, 0);
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ST->StdErr->Reset(ST->StdErr, 0);
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if(EFI_ERROR(status)) {
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fprintf(stderr, "unable to set video mode\n");
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return 0;
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}
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/* set up destination buffer */
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lfb = (unsigned char*)gop->Mode->FrameBufferBase;
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width = gop->Mode->Information->HorizontalResolution;
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height = gop->Mode->Information->VerticalResolution;
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pitch = sizeof(unsigned int) * gop->Mode->Information->PixelsPerScanLine;
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} else {
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fprintf(stderr, "unable to get graphics output protocol\n");
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return 0;
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}
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/* display multilingual text */
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printString(10, 10, "Hello 多种语言 Многоязычный többnyelvű World!");
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/* free resources exit */
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free(font);
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return 0;
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}
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After Width: | Height: | Size: 928 B |
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../../uefi
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TARGET = vecfont.efi
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#USE_GCC=1
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include uefi/Makefile
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After Width: | Height: | Size: 3.4 KiB |
File diff suppressed because it is too large
Load Diff
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../../uefi
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#include <uefi.h>
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/* Scalable Screen Font (https://gitlab.com/bztsrc/scalable-font2) */
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#define SSFN_IMPLEMENTATION /* get the normal renderer implementation */
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#define SSFN_MAXLINES 8192 /* configure for static memory management */
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#include "ssfn.h"
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ssfn_buf_t dst = {0}; /* framebuffer properties */
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ssfn_t ctx = {0}; /* renderer context */
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/**
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* Display string using the SSFN library. This works with both bitmap and vector fonts
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*/
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void printString(int x, int y, char *s)
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{
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int ret;
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dst.x = x; dst.y = y;
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do {
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if(*s == '\r') { dst.x = 0; ret = 1; } else
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if(*s == '\n') { dst.x = 0; dst.y += ctx.size; ret = 1; } else
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ret = ssfn_render(&ctx, &dst, s);
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s += ret;
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} while(ret > 0);
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}
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/**
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* Display vector fonts
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*/
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int main(int argc, char **argv)
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{
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efi_status_t status;
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efi_guid_t gopGuid = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
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efi_gop_t *gop = NULL;
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efi_gop_mode_info_t *info = NULL;
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uintn_t isiz = sizeof(efi_gop_mode_info_t), currentMode, i;
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FILE *f;
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ssfn_font_t *font;
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long int size;
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/* load font */
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if((f = fopen("\\0B_vecfont\\font.sfn", "r"))) {
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fseek(f, 0, SEEK_END);
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size = ftell(f);
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fseek(f, 0, SEEK_SET);
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font = (ssfn_font_t*)malloc(size + 1);
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if(!font) {
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fprintf(stderr, "unable to allocate memory\n");
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return 1;
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}
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fread(font, size, 1, f);
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fclose(f);
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ssfn_load(&ctx, font);
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} else {
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fprintf(stderr, "Unable to load font\n");
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return 0;
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}
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/* set video mode */
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status = BS->LocateProtocol(&gopGuid, NULL, (void**)&gop);
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if(!EFI_ERROR(status) && gop) {
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status = gop->SetMode(gop, 0);
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ST->ConOut->Reset(ST->ConOut, 0);
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ST->StdErr->Reset(ST->StdErr, 0);
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if(EFI_ERROR(status)) {
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fprintf(stderr, "unable to set video mode\n");
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return 0;
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}
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/* set up destination buffer */
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dst.ptr = (unsigned char*)gop->Mode->FrameBufferBase;
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dst.w = gop->Mode->Information->HorizontalResolution;
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dst.h = gop->Mode->Information->VerticalResolution;
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dst.p = sizeof(unsigned int) * gop->Mode->Information->PixelsPerScanLine;
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dst.fg = 0xFFFFFFFF;
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} else {
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fprintf(stderr, "unable to get graphics output protocol\n");
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return 0;
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}
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/* select typeface to use */
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ssfn_select(&ctx, SSFN_FAMILY_ANY, NULL, SSFN_STYLE_REGULAR | SSFN_STYLE_NOCACHE, 40);
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/* display multilingual text */
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printString(10, ctx.size, "Hello! Здравствуйте! Καλως ηρθες!");
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/* free resources exit */
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ssfn_free(&ctx);
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free(font);
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return 0;
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}
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