mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-04 23:39:24 +00:00
233 lines
No EOL
6.4 KiB
C++
233 lines
No EOL
6.4 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#include <switch.h>
|
|
#include "fatal_types.hpp"
|
|
|
|
#include <cstring>
|
|
#include <cstdlib>
|
|
#include <cstdio>
|
|
|
|
#include <ft2build.h>
|
|
#include FT_FREETYPE_H
|
|
|
|
#include "fatal_config.hpp"
|
|
#include "fatal_font.hpp"
|
|
|
|
static u16 *g_fb = nullptr;
|
|
static u32 (*g_unswizzle_func)(u32, u32) = nullptr;
|
|
static u16 g_font_color = 0xFFFF;
|
|
static float g_font_sz = 16.0f;
|
|
static u32 g_line_x = 0, g_cur_x = 0, g_cur_y = 0;
|
|
|
|
static u32 g_mono_adv = 0;
|
|
|
|
static PlFontData g_font;
|
|
static PlFontData g_fonts[PlSharedFontType_Total];
|
|
static FT_Library g_library;
|
|
static FT_Face g_face;
|
|
static FT_Error g_ft_err = 0;
|
|
|
|
static u16 Blend(u16 color, u16 bg, u8 alpha) {
|
|
const u32 c_r = RGB565_GET_R8(color);
|
|
const u32 c_g = RGB565_GET_G8(color);
|
|
const u32 c_b = RGB565_GET_B8(color);
|
|
const u32 b_r = RGB565_GET_R8(bg);
|
|
const u32 b_g = RGB565_GET_G8(bg);
|
|
const u32 b_b = RGB565_GET_B8(bg);
|
|
|
|
const u32 r = ((alpha * c_r) + ((0xFF - alpha) * b_r)) / 0xFF;
|
|
const u32 g = ((alpha * c_g) + ((0xFF - alpha) * b_g)) / 0xFF;
|
|
const u32 b = ((alpha * c_b) + ((0xFF - alpha) * b_b)) / 0xFF;
|
|
|
|
return RGB888_TO_RGB565(r, g, b);
|
|
}
|
|
|
|
static void DrawGlyph(FT_Bitmap *bitmap, u32 x, u32 y) {
|
|
u8* imageptr = bitmap->buffer;
|
|
|
|
if (bitmap->pixel_mode!=FT_PIXEL_MODE_GRAY) return;
|
|
|
|
for (u32 tmpy = 0; tmpy < bitmap->rows; tmpy++) {
|
|
for (u32 tmpx = 0; tmpx < bitmap->width; tmpx++) {
|
|
/* Implement very simple blending, as the bitmap value is an alpha value. */
|
|
u16 *ptr = &g_fb[g_unswizzle_func(x + tmpx, y + tmpy)];
|
|
*ptr = Blend(g_font_color, *ptr, imageptr[tmpx]);
|
|
}
|
|
imageptr += bitmap->pitch;
|
|
}
|
|
}
|
|
|
|
static void DrawString(const char *str, bool add_line, bool mono = false) {
|
|
FT_UInt glyph_index;
|
|
FT_GlyphSlot slot = g_face->glyph;
|
|
|
|
const size_t len = strlen(str);
|
|
|
|
u32 cur_x = g_cur_x, cur_y = g_cur_y;
|
|
ON_SCOPE_EXIT {
|
|
if (add_line) {
|
|
/* Advance to next line. */
|
|
g_cur_x = g_line_x;
|
|
g_cur_y = cur_y + (g_face->size->metrics.height >> 6);
|
|
} else {
|
|
g_cur_x = cur_x;
|
|
g_cur_y = cur_y;
|
|
}
|
|
};
|
|
|
|
for (u32 i = 0; i < len; ) {
|
|
u32 cur_char;
|
|
ssize_t unit_count = decode_utf8(&cur_char, reinterpret_cast<const u8 *>(&str[i]));
|
|
if (unit_count <= 0) break;
|
|
i += unit_count;
|
|
|
|
if (cur_char == '\n') {
|
|
cur_x = g_line_x;
|
|
cur_y += g_face->size->metrics.height >> 6;
|
|
continue;
|
|
}
|
|
|
|
glyph_index = FT_Get_Char_Index(g_face, cur_char);
|
|
|
|
g_ft_err = FT_Load_Glyph(g_face, glyph_index, FT_LOAD_DEFAULT);
|
|
|
|
if (g_ft_err == 0) {
|
|
g_ft_err = FT_Render_Glyph(g_face->glyph, FT_RENDER_MODE_NORMAL);
|
|
}
|
|
|
|
if (g_ft_err) {
|
|
return;
|
|
}
|
|
|
|
DrawGlyph(&slot->bitmap, cur_x + slot->bitmap_left + ((mono && g_mono_adv > slot->advance.x) ? ((g_mono_adv - slot->advance.x) >> 7) : 0), cur_y - slot->bitmap_top);
|
|
|
|
cur_x += (mono ? g_mono_adv : slot->advance.x) >> 6;
|
|
cur_y += slot->advance.y >> 6;
|
|
}
|
|
}
|
|
|
|
void FontManager::PrintLine(const char *str) {
|
|
return DrawString(str, true);
|
|
}
|
|
|
|
void FontManager::PrintFormatLine(const char *format, ...) {
|
|
char char_buf[0x400];
|
|
|
|
va_list va_arg;
|
|
va_start(va_arg, format);
|
|
vsnprintf(char_buf, sizeof(char_buf), format, va_arg);
|
|
va_end(va_arg);
|
|
|
|
PrintLine(char_buf);
|
|
}
|
|
|
|
void FontManager::Print(const char *str) {
|
|
return DrawString(str, false);
|
|
}
|
|
|
|
void FontManager::PrintFormat(const char *format, ...) {
|
|
char char_buf[0x400];
|
|
|
|
va_list va_arg;
|
|
va_start(va_arg, format);
|
|
vsnprintf(char_buf, sizeof(char_buf), format, va_arg);
|
|
va_end(va_arg);
|
|
|
|
Print(char_buf);
|
|
}
|
|
|
|
void FontManager::PrintMonospaceU64(u64 x) {
|
|
char char_buf[0x400];
|
|
snprintf(char_buf, sizeof(char_buf), "%016lX", x);
|
|
|
|
DrawString(char_buf, false, true);
|
|
}
|
|
|
|
void FontManager::PrintMonospaceU32(u32 x) {
|
|
char char_buf[0x400];
|
|
snprintf(char_buf, sizeof(char_buf), "%08X", x);
|
|
|
|
DrawString(char_buf, false, true);
|
|
}
|
|
|
|
void FontManager::PrintMonospaceBlank(u32 width) {
|
|
char char_buf[0x400] = {0};
|
|
for (size_t i = 0; i < width && i < sizeof(char_buf); i++) {
|
|
char_buf[i] = ' ';
|
|
}
|
|
|
|
DrawString(char_buf, false, true);
|
|
}
|
|
|
|
void FontManager::SetFontColor(u16 color) {
|
|
g_font_color = color;
|
|
}
|
|
|
|
void FontManager::SetPosition(u32 x, u32 y) {
|
|
g_line_x = x;
|
|
g_cur_x = x;
|
|
g_cur_y = y;
|
|
}
|
|
|
|
u32 FontManager::GetX() {
|
|
return g_cur_x;
|
|
}
|
|
|
|
u32 FontManager::GetY() {
|
|
return g_cur_y;
|
|
}
|
|
|
|
void FontManager::SetFontSize(float fsz) {
|
|
g_font_sz = fsz;
|
|
g_ft_err = FT_Set_Char_Size(g_face, 0, static_cast<u32>(g_font_sz * 64.0f), 96, 96);
|
|
|
|
g_ft_err = FT_Load_Glyph(g_face, FT_Get_Char_Index(g_face, 'A'), FT_LOAD_DEFAULT);
|
|
|
|
if (g_ft_err == 0) {
|
|
g_ft_err = FT_Render_Glyph(g_face->glyph, FT_RENDER_MODE_NORMAL);
|
|
}
|
|
if (g_ft_err == 0) {
|
|
g_mono_adv = g_face->glyph->advance.x;
|
|
}
|
|
}
|
|
|
|
void FontManager::AddSpacingLines(float num_lines) {
|
|
g_cur_x = g_line_x;
|
|
g_cur_y += static_cast<u32>((static_cast<float>(g_face->size->metrics.height) * num_lines) / 64.0f);
|
|
}
|
|
|
|
void FontManager::ConfigureFontFramebuffer(u16 *fb, u32 (*unswizzle_func)(u32, u32)) {
|
|
g_fb = fb;
|
|
g_unswizzle_func = unswizzle_func;
|
|
}
|
|
|
|
Result FontManager::InitializeSharedFont() {
|
|
size_t total_fonts = 0;
|
|
|
|
R_TRY(plGetSharedFont(GetFatalConfig()->language_code, g_fonts, PlSharedFontType_Total, &total_fonts));
|
|
R_TRY(plGetSharedFontByType(&g_font, PlSharedFontType_Standard));
|
|
|
|
g_ft_err = FT_Init_FreeType(&g_library);
|
|
if (g_ft_err) return g_ft_err;
|
|
|
|
g_ft_err = FT_New_Memory_Face(g_library, reinterpret_cast<const FT_Byte *>(g_font.address), g_font.size, 0, &g_face);
|
|
if (g_ft_err) return g_ft_err;
|
|
|
|
SetFontSize(g_font_sz);
|
|
return g_ft_err;
|
|
} |