Files
fs2open.github.com/code/graphics/software/FontManager.cpp
Goober5000 a3c5186635 add missing newlines in several mprintf statements (#3409)
Fixes #3407, and I used a regex search to find what I hope are all other examples.
2021-05-02 23:53:40 -04:00

354 lines
8.7 KiB
C++

#include "graphics/software/FontManager.h"
#include "graphics/software/VFNTFont.h"
#include "graphics/software/NVGFont.h"
#include "graphics/software/font.h"
#include "graphics/software/font_internal.h"
#include "graphics/paths/PathRenderer.h"
#include "bmpman/bmpman.h"
#include "cfile/cfile.h"
namespace font
{
SCP_map<SCP_string, TrueTypeFontData> FontManager::allocatedData;
SCP_map<SCP_string, std::unique_ptr<font>> FontManager::vfntFontData;
SCP_vector<std::unique_ptr<FSFont>> FontManager::fonts;
FSFont* FontManager::currentFont = NULL;
FSFont* FontManager::getFont(const SCP_string& name)
{
for (SCP_vector<std::unique_ptr<FSFont>>::iterator iter = fonts.begin(); iter != fonts.end(); iter++)
{
if ((*iter)->getName() == name)
return iter->get();
}
return NULL;
}
FSFont* FontManager::getFontByFilename(const SCP_string& filename)
{
for (auto & iter : fonts)
{
if (iter->getFilename() == filename)
return iter.get();
}
return nullptr;
}
FSFont *FontManager::getCurrentFont()
{
return currentFont;
}
int FontManager::getCurrentFontIndex()
{
if (!FontManager::isReady())
return -1;
return FontManager::getFontIndex(currentFont);
}
int FontManager::getFontIndex(const SCP_string& name)
{
int index = 0;
for (SCP_vector<std::unique_ptr<FSFont>>::iterator iter = fonts.begin(); iter != fonts.end(); iter++, index++)
{
if ((*iter)->getName() == name)
return index;
}
return -1;
}
int FontManager::getFontIndex(FSFont *font)
{
if (font == NULL)
return -1;
int index = 0;
for (SCP_vector<std::unique_ptr<FSFont>>::iterator iter = fonts.begin(); iter != fonts.end(); iter++, index++)
{
if (iter->get() == font)
return index;
}
return -1;
}
int FontManager::numberOfFonts()
{
return (int)fonts.size();
}
bool FontManager::isReady()
{
return currentFont != NULL;
}
bool FontManager::isFontNumberValid(int id)
{
return id >= 0 && id < (int)fonts.size();
}
void FontManager::setCurrentFont(FSFont *font)
{
Assertion(font != NULL, "New font pointer may not be NULL!");
currentFont = font;
}
font* FontManager::loadFontOld(const SCP_string& typeface)
{
if (vfntFontData.find(typeface) != vfntFontData.end())
{
font* data = vfntFontData[typeface].get();
Assert(data != NULL);
return data;
}
bool localize = true;
CFILE* fp = cfopen(typeface.c_str(), "rb", CFILE_NORMAL, CF_TYPE_ANY, localize);
if (fp == NULL)
{
mprintf(("Unable to find font file \"%s\"\n", typeface.c_str()));
return NULL;
}
std::unique_ptr<font> fnt(new font());
if (!fnt)
{
mprintf(("Unable to allocate memory for \"%s\"\n", typeface.c_str()));
return NULL;
}
strcpy_s(fnt->filename, typeface.c_str());
cfread(&fnt->id, 4, 1, fp);
cfread(&fnt->version, sizeof(int), 1, fp);
cfread(&fnt->num_chars, sizeof(int), 1, fp);
cfread(&fnt->first_ascii, sizeof(int), 1, fp);
cfread(&fnt->w, sizeof(int), 1, fp);
cfread(&fnt->h, sizeof(int), 1, fp);
cfread(&fnt->num_kern_pairs, sizeof(int), 1, fp);
cfread(&fnt->kern_data_size, sizeof(int), 1, fp);
cfread(&fnt->char_data_size, sizeof(int), 1, fp);
cfread(&fnt->pixel_data_size, sizeof(int), 1, fp);
fnt->id = INTEL_SHORT(fnt->id); //-V570
fnt->version = INTEL_INT(fnt->version); //-V570
fnt->num_chars = INTEL_INT(fnt->num_chars); //-V570
fnt->first_ascii = INTEL_INT(fnt->first_ascii); //-V570
fnt->w = INTEL_INT(fnt->w); //-V570
fnt->h = INTEL_INT(fnt->h); //-V570
fnt->num_kern_pairs = INTEL_INT(fnt->num_kern_pairs); //-V570
fnt->kern_data_size = INTEL_INT(fnt->kern_data_size); //-V570
fnt->char_data_size = INTEL_INT(fnt->char_data_size); //-V570
fnt->pixel_data_size = INTEL_INT(fnt->pixel_data_size); //-V570
if (fnt->kern_data_size) {
fnt->kern_data = (font_kernpair *)vm_malloc(fnt->kern_data_size);
Assert(fnt->kern_data != NULL);
cfread(fnt->kern_data, fnt->kern_data_size, 1, fp);
}
else {
fnt->kern_data = NULL;
}
if (fnt->char_data_size) {
fnt->char_data = (font_char *)vm_malloc(fnt->char_data_size);
Assert(fnt->char_data != NULL);
cfread(fnt->char_data, fnt->char_data_size, 1, fp);
for (int i = 0; i<fnt->num_chars; i++) {
fnt->char_data[i].spacing = INTEL_INT(fnt->char_data[i].spacing); //-V570
fnt->char_data[i].byte_width = INTEL_INT(fnt->char_data[i].byte_width); //-V570
fnt->char_data[i].offset = INTEL_INT(fnt->char_data[i].offset); //-V570
fnt->char_data[i].kerning_entry = INTEL_INT(fnt->char_data[i].kerning_entry); //-V570
fnt->char_data[i].user_data = INTEL_SHORT(fnt->char_data[i].user_data); //-V570
}
}
else {
fnt->char_data = NULL;
}
if (fnt->pixel_data_size) {
fnt->pixel_data = (ubyte *)vm_malloc(fnt->pixel_data_size);
Assert(fnt->pixel_data != NULL);
cfread(fnt->pixel_data, fnt->pixel_data_size, 1, fp);
}
else {
fnt->pixel_data = NULL;
}
cfclose(fp);
// Create a bitmap for hardware cards.
// JAS: Try to squeeze this into the smallest square power of two texture.
// This should probably be done at font generation time, not here.
int w, h;
if (fnt->pixel_data_size * 4 < 64 * 64) {
w = h = 64;
}
else if (fnt->pixel_data_size * 4 < 128 * 128) {
w = h = 128;
}
else if (fnt->pixel_data_size * 4 < 256 * 256) {
w = h = 256;
}
else if (fnt->pixel_data_size * 4 < 512 * 512) {
w = h = 512;
}
else {
w = h = 1024;
}
fnt->bm_w = w;
fnt->bm_h = h;
fnt->bm_data = (ubyte *)vm_malloc(fnt->bm_w*fnt->bm_h);
fnt->bm_u = (int *)vm_malloc(sizeof(int)*fnt->num_chars);
fnt->bm_v = (int *)vm_malloc(sizeof(int)*fnt->num_chars);
memset(fnt->bm_data, 0, fnt->bm_w * fnt->bm_h);
int i, x, y;
x = y = 0;
for (i = 0; i<fnt->num_chars; i++) {
ubyte * ubp;
int x1, y1;
ubp = &fnt->pixel_data[fnt->char_data[i].offset];
if (x + fnt->char_data[i].byte_width >= fnt->bm_w) {
x = 0;
y += fnt->h + 2;
if (y + fnt->h > fnt->bm_h) {
Error(LOCATION, "Font too big!\n");
}
}
fnt->bm_u[i] = x;
fnt->bm_v[i] = y;
for (y1 = 0; y1<fnt->h; y1++) {
for (x1 = 0; x1<fnt->char_data[i].byte_width; x1++) {
uint c = *ubp++;
if (c > 14) c = 14;
// The font pixels only have ~4 bits of information in them (since the value is at maximum 14) but
// the bmpman code expects 8 bits of pixel information. To fix that we simply rescale this value to
// fit into the [0, 255] range (15 * 17 is 255). This was adapted from the previous version where
// the graphics code used an internal array for converting these values
fnt->bm_data[(x + x1) + (y + y1)*fnt->bm_w] = (unsigned char)(c * 17);
}
}
x += fnt->char_data[i].byte_width + 2;
}
fnt->bitmap_id = bm_create(8, fnt->bm_w, fnt->bm_h, fnt->bm_data, BMP_AABITMAP);
auto ptr = fnt.get();
vfntFontData[typeface] = std::move(fnt);
return ptr;
}
VFNTFont *FontManager::loadVFNTFont(const SCP_string& name)
{
font* font = FontManager::loadFontOld(name);
if (font == NULL)
{
return NULL;
}
else
{
std::unique_ptr<VFNTFont> vfnt(new VFNTFont(font));
auto ptr = vfnt.get();
fonts.push_back(std::move(vfnt));
return ptr;
}
}
NVGFont *FontManager::loadNVGFont(const SCP_string& fileName, float fontSize)
{
if (allocatedData.find(fileName) == allocatedData.end())
{
CFILE *fontFile = cfopen(const_cast<char*>(fileName.c_str()), "rb", CFILE_NORMAL, CF_TYPE_ANY);
if (fontFile == NULL)
{
mprintf(("Couldn't open font file \"%s\"\n", fileName.c_str()));
return NULL;
}
size_t size = static_cast<size_t>(cfilelength(fontFile));
std::unique_ptr<ubyte[]> fontData(new ubyte[size]);
if (!fontData)
{
mprintf(("Couldn't allocate " SIZE_T_ARG " bytes for reading font file \"%s\"!\n", size, fileName.c_str()));
cfclose(fontFile);
return NULL;
}
if (!cfread(fontData.get(), (int)size, 1, fontFile))
{
mprintf(("Error while reading font data from \"%s\"\n", fileName.c_str()));
cfclose(fontFile);
return NULL;
}
cfclose(fontFile);
TrueTypeFontData newData;
newData.size = size;
std::swap(newData.data, fontData);
allocatedData.insert(std::make_pair(fileName, std::move(newData)));
}
auto data = &allocatedData.find(fileName)->second;
auto path = graphics::paths::PathRenderer::instance();
int handle = path->createFontMem(fileName.c_str(), data->data.get(), (int)data->size, 0);
if (handle < 0)
{
mprintf(("Couldn't couldn't create font for file \"%s\"\n", fileName.c_str()));
return NULL;
}
std::unique_ptr<NVGFont> nvgFont(new NVGFont());
nvgFont->setHandle(handle);
nvgFont->setSize(fontSize);
auto ptr = nvgFont.get();
fonts.push_back(std::move(nvgFont));
return ptr;
}
void FontManager::init()
{
}
void FontManager::close()
{
allocatedData.clear();
vfntFontData.clear();
fonts.clear();
currentFont = NULL;
}
}