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Add BMF loading support

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- Add ability to make textures not unloadable
This commit is contained in:
tobid7
2025-12-14 22:59:16 +01:00
parent 38a1cad76a
commit 38a2b21ba0
5 changed files with 60 additions and 13 deletions
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61
source/iron/font.cpp
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@@ -1,6 +1,7 @@
#include <amethyst/iron.hpp>
#include <amethyst/utils.hpp>
#include <filesystem>
#include <fstream>
#if AMY_STB_TT == 1
#define STB_TRUETYPE_IMPLEMENTATION
@@ -8,14 +9,52 @@
#include <stb_truetype.h>
namespace Amy {
void Iron::Font::LoadBMF(ksr path) {}
// Dont read this code please ... tnaks
void Iron::Font::LoadBMF(ksr path) {
Image img(path);
if (img.Width() != img.Height() || img.Bpp() != 4) {
throw std::runtime_error(
"[Amy] Font: BMF is not in rgba or not 1x1 dimensioned!");
}
auto base = Amy::Texture::New();
base->Load(img.GetBuffer(), img.Width(), img.Height(), img.Bpp());
base->Unloadable(false);
PxHeight = img.Height() / 16;
for (int i = 0; i < img.Height(); i += PxHeight) {
for (int j = 0; j < img.Width(); j += PxHeight) {
int maxw = 0;
Amy::Texture::Ref tex = Amy::Texture::New();
for (int y = i; y < i + PxHeight; y++) {
for (int x = j; x < j + PxHeight; x++) {
if (img.GetBuffer()[((y * img.Width() + x) * 4) + 3] != 0) {
maxw = std::max(maxw, x - j);
}
}
}
maxw++;
tex->Load(base->Ptr(), base->Size(), base->Uv());
Codepoint cp;
cp.Cp = (i / PxHeight) * 16 + (j / PxHeight);
cp.Offset = 0.f;
cp.Size = fvec2(maxw, PxHeight);
cp.Tex = tex;
cp.Uv = fvec4(float(j) / float(img.Width()),
1.f - float(i) / float(img.Height()),
float(j + maxw) / float(img.Width()),
1.f - float(i + PxHeight) / float(img.Height()));
cp.Valid = maxw != 0;
pCodeMap[(i / PxHeight) * 16 + (j / PxHeight)] = cp;
Textures.push_back(tex);
}
}
}
void Iron::Font::LoadTTF(ksr path, int size) {
auto data = Amy::Utils::LoadFile2Mem(path);
LoadTTF(data, size);
}
void Iron::Font::LoadTTF(const vec<uc> &data, int size) {
void Iron::Font::LoadTTF(const vec<uc>& data, int size) {
/**
* Some additional Info:
* Removed the stbtt get bitmapbox as we dont need to place
@@ -54,7 +93,7 @@ void Iron::Font::LoadTTF(const vec<uc> &data, int size) {
if (stbtt_IsGlyphEmpty(&inf, gi)) continue;
int w = 0, h = 0, xo = 0, yo = 0;
unsigned char *bitmap =
unsigned char* bitmap =
stbtt_GetCodepointBitmap(&inf, scale, scale, ii, &w, &h, &xo, &yo);
if (!bitmap || w <= 0 || h <= 0) {
if (bitmap) free(bitmap);
@@ -130,13 +169,13 @@ void Iron::Font::LoadTTF(const vec<uc> &data, int size) {
}
}
void Iron::Font::pMakeAtlas(bool final, vec<uc> &font_tex, int texszs,
void Iron::Font::pMakeAtlas(bool final, vec<uc>& font_tex, int texszs,
Texture::Ref tex) {
tex->Load(font_tex, texszs, texszs);
Textures.push_back(tex);
}
Iron::Font::Codepoint &Iron::Font::GetCodepoint(ui cp) {
Iron::Font::Codepoint& Iron::Font::GetCodepoint(ui cp) {
// Check if codepoijt exist or return a static invalid one
auto res = pCodeMap.find(cp);
if (res == pCodeMap.end()) {
@@ -157,7 +196,7 @@ fvec2 Iron::Font::GetTextBounds(ksr text, float scale) {
float cfs = (PxFactor * scale) / (float)PxHeight;
float lh = (float)PxHeight * cfs;
size_t index = 0;
for (auto &it : wtext) {
for (auto& it : wtext) {
if (it == L'\0') {
break;
}
@@ -192,9 +231,9 @@ fvec2 Iron::Font::GetTextBounds(ksr text, float scale) {
return res;
}
void Iron::Font::CmdTextEx(vec<Command::Ref> &cmds, const fvec2 &pos, ui color,
float scale, const std::string &text,
AmyTextFlags flags, const fvec2 &box) {
void Iron::Font::CmdTextEx(vec<Command::Ref>& cmds, const fvec2& pos, ui color,
float scale, const std::string& text,
AmyTextFlags flags, const fvec2& box) {
fvec2 off;
float cfs = (PxFactor * scale) / (float)PxHeight;
float lh = (float)PxHeight * cfs;
@@ -218,7 +257,7 @@ void Iron::Font::CmdTextEx(vec<Command::Ref> &cmds, const fvec2 &pos, ui color,
lines.push_back(tmp);
}
for (auto &it : lines) {
for (auto& it : lines) {
/*if (flags & AmyTextFlags_Short) {
fvec2 tmp_dim;
it = ShortText(it, box.x() - pos.x(), tmp_dim);
@@ -228,7 +267,7 @@ void Iron::Font::CmdTextEx(vec<Command::Ref> &cmds, const fvec2 &pos, ui color,
auto cmd = Command::New();
auto Tex = GetCodepoint(wline[0]).Tex;
cmd->Tex = Tex;
for (auto &jt : wline) {
for (auto& jt : wline) {
auto cp = GetCodepoint(jt);
if ((!cp.Valid && jt != L' ' && jt != L'\n' && jt != L'\t') &&
jt != L'\r') {