Unfiy all sub projects back into 1 libpalladium

This commit is contained in:
2026-01-25 20:44:52 +01:00
parent d2806b2061
commit 337c016824
49 changed files with 3263 additions and 3321 deletions

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#include <pd/lithium/command.hpp>
PD_LITHIUM_API PD::Li::Command::Ref PD::Li::CmdPool::NewCmd() {
if (pPoolIdx >= pPool.size()) {
Resize(pPool.size() + 128);
}
Command::Ref nu = pPool[pPoolIdx++];
nu->Layer = Layer;
nu->Index = pPoolIdx - 1;
return nu;
}
PD_LITHIUM_API void PD::Li::CmdPool::Init(size_t initial_size) {
Resize(initial_size);
}
PD_LITHIUM_API void PD::Li::CmdPool::Deinit() {
for (auto it : pPool) {
Command::Delete(it);
}
pPool.clear();
}
PD_LITHIUM_API void PD::Li::CmdPool::Resize(size_t nulen) {
if (nulen <= pPool.size()) {
return; // no idea yet
}
size_t oldlen = pPool.size();
pPool.resize(nulen);
for (size_t i = oldlen; i < pPool.size(); i++) {
pPool[i] = Command::New();
}
}
PD_LITHIUM_API void PD::Li::CmdPool::Reset() {
for (u32 i = 0; i < pPoolIdx; i++) {
pPool[i]->Clear();
}
pPoolIdx = 0;
}
PD::Li::Command::Ref PD::Li::CmdPool::GetCmd(size_t idx) const {
return pPool[idx];
}
PD::Li::Command::Ref PD::Li::CmdPool::GetCmd(size_t idx) { return pPool[idx]; }
size_t PD::Li::CmdPool::Size() const { return pPoolIdx; }
size_t PD::Li::CmdPool::Cap() const { return pPool.size(); }
PD_LITHIUM_API void PD::Li::CmdPool::Merge(CmdPool& p) {
Copy(p);
p.Reset();
}
PD_LITHIUM_API void PD::Li::CmdPool::Copy(CmdPool& p) {
if (pPoolIdx + p.Size() > pPool.size()) {
Resize(pPoolIdx + p.Size());
}
for (size_t i = 0; i < p.Size(); i++) {
size_t idx = pPoolIdx++;
*pPool[idx] = *p.GetCmd(i);
pPool[idx]->Index = idx;
pPool[idx]->Layer += Layer;
}
}
PD_LITHIUM_API void PD::Li::CmdPool::Sort() {
if (pPoolIdx < 2) return;
std::sort(begin(), end(), pTheOrder);
}
PD_LITHIUM_API bool PD::Li::CmdPool::pTheOrder(const Command::Ref& a,
const Command::Ref& b) {
if (a->Layer == b->Layer) {
if (a->Tex == b->Tex) {
return a->Index < b->Index;
}
return a->Tex < b->Tex;
}
return a->Layer < b->Layer;
}

320
source/lithium/drawlist.cpp Executable file
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/*
MIT License
Copyright (c) 2024 - 2025 tobid7
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include <pd/lithium/drawlist.hpp>
#include <pd/lithium/renderer.hpp>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
namespace PD {
namespace Li {
PD_LITHIUM_API DrawList::DrawList(int initial_size) {
DrawSolid();
pPool.Init(initial_size);
}
PD_LITHIUM_API DrawList::~DrawList() {
Clear();
pPool.Deinit();
}
PD_LITHIUM_API void DrawList::DrawSolid() { CurrentTex = Gfx::GetSolidTex(); }
PD_LITHIUM_API void DrawList::Clear() {
pNumIndices = 0;
pNumVertices = 0;
pPool.Reset();
pPath.clear();
if (pCurrentFont) {
pCurrentFont->CleanupTMS();
}
while (!pClipRects.empty()) {
pClipRects.pop();
}
}
PD_LITHIUM_API void DrawList::Merge(DrawList::Ref list) {
pPool.Merge(list->pPool);
/*for (size_t i = 0; i < list->pDrawList.size(); i++) {
pNumIndices += list->pDrawList[i]->IndexBuffer.size();
pNumVertices += list->pDrawList[i]->VertexBuffer.size();
auto cmd = pPool.NewCmd();
pDrawList.push_back(list->pDrawList[i]);
}*/
/** Make sure The list gets cleared */
list->Clear();
}
PD_LITHIUM_API void DrawList::Copy(DrawList::Ref list) {
pPool.Copy(list->pPool);
}
PD_LITHIUM_API void DrawList::Optimize() {
#ifndef NDEBUG
PD::TT::Scope s("Optimize");
#endif
/*std::sort(pDrawList.begin(), pDrawList.end(),
[](const PD::Li::Command::Ref &a, const PD::Li::Command::Ref &b) {
if (a->Layer == b->Layer) { // Same layer
if (a->Tex == b->Tex) { // same tex
return a->Index < b->Index;
}
return a->Tex < b->Tex; // order by address
}
return a->Layer < b->Layer; // Order by layer
});*/
}
PD_LITHIUM_API Command::Ref DrawList::GetNewCmd() {
Command::Ref cmd = pPool.NewCmd();
cmd->Index = pPool.Size() - 1;
cmd->Tex = CurrentTex->Address;
pClipCmd(cmd);
return cmd;
}
PD_LITHIUM_API void DrawList::pClipCmd(Command::Ref cmd) {
if (!pClipRects.empty()) {
cmd->ScissorOn = true;
cmd->ScissorRect = ivec4(pClipRects.top());
}
}
PD_LITHIUM_API void DrawList::PathArcToN(const fvec2& c, float radius,
float a_min, float a_max,
int segments) {
// Path.push_back(c);
PathReserve(segments + 1);
for (int i = 0; i < segments; i++) {
float a = a_min + ((float)i / (float)segments) * (a_max - a_min);
PathAdd(vec2(c.x + std::cos(a) * radius, c.y + std::sin(a) * radius));
}
}
PD_LITHIUM_API void DrawList::PathFastArcToN(const fvec2& c, float r,
float amin, float amax, int s) {
/**
* Funcion with less division overhead
* Usefull for stuff where a lot of calculations are required
*/
float d = (amax - amin) / s;
PathReserve(s + 1);
for (int i = 0; i <= s; i++) {
float a = amin + i * d;
PathAdd(fvec2(c.x + std::cos(a) * r, c.y + std::sin(a) * r));
}
}
PD_LITHIUM_API void DrawList::PathRect(fvec2 a, fvec2 b, float rounding) {
if (rounding == 0.f) {
PathAdd(a);
PathAdd(vec2(b.x, a.y));
PathAdd(b);
PathAdd(vec2(a.x, b.y));
} else {
float r = std::min({rounding, (b.x - a.x) * 0.5f, (b.y - a.y) * 0.5f});
/** Calculate Optimal segment count automatically */
float corner = M_PI * 0.5f;
int segments = std::max(3, int(std::ceil(corner / (6.0f * M_PI / 180.0f))));
/**
* To Correctly render filled shapes with Paths API
* The Commands need to be setup clockwise
*/
/** Top Left */
PathAdd(vec2(a.x + r, a.y));
PathFastArcToN(vec2(b.x - r, a.y + r), r, -M_PI / 2.0f, 0.0f, segments);
/** Top Right */
PathAdd(vec2(b.x, b.y - r));
PathFastArcToN(vec2(b.x - r, b.y - r), r, 0.0f, M_PI / 2.0f, segments);
/** Bottom Right */
PathAdd(vec2(a.x + r, b.y));
PathFastArcToN(vec2(a.x + r, b.y - r), r, M_PI / 2.0f, M_PI, segments);
/** Bottom Left */
PathAdd(vec2(a.x, a.y + r));
PathFastArcToN(vec2(a.x + r, a.y + r), r, M_PI, 3.0f * M_PI / 2.0f,
segments);
}
}
PD_LITHIUM_API void DrawList::PathRectEx(fvec2 a, fvec2 b, float rounding,
u32 flags) {
if (rounding == 0.f) {
PathAdd(a);
PathAdd(vec2(b.x, a.y));
PathAdd(b);
PathAdd(vec2(a.x, b.y));
} else {
float r = std::min({rounding, (b.x - a.x) * 0.5f, (b.y - a.y) * 0.5f});
/** Calculate Optimal segment count automatically */
float corner = M_PI * 0.5f;
int segments = std::max(3, int(std::ceil(corner / (6.0f * M_PI / 180.0f))));
/**
* To Correctly render filled shapes with Paths API
* The Commands need to be setup clockwise
*/
/** Top Left */
if (flags & LiPathRectFlags_KeepTopLeft) {
PathAdd(a);
} else {
PathAdd(vec2(a.x + r, a.y));
PathFastArcToN(vec2(b.x - r, a.y + r), r, -M_PI / 2.0f, 0.0f, segments);
}
/** Top Right */
if (flags & LiPathRectFlags_KeepTopRight) {
PathAdd(vec2(b.x, a.y));
} else {
PathAdd(vec2(b.x, b.y - r));
PathFastArcToN(vec2(b.x - r, b.y - r), r, 0.0f, M_PI / 2.0f, segments);
}
/** Bottom Right */
if (flags & LiPathRectFlags_KeepBotRight) {
PathAdd(b);
} else {
PathAdd(vec2(a.x + r, b.y));
PathFastArcToN(vec2(a.x + r, b.y - r), r, M_PI / 2.0f, M_PI, segments);
}
/** Bottom Left */
if (flags & LiPathRectFlags_KeepBotLeft) {
PathAdd(vec2(a.x, b.y));
} else {
PathAdd(vec2(a.x, a.y + r));
PathFastArcToN(vec2(a.x + r, a.y + r), r, M_PI, 3.0f * M_PI / 2.0f,
segments);
}
}
}
PD_LITHIUM_API void DrawList::DrawRect(const fvec2& pos, const fvec2& size,
u32 color, int thickness) {
PathRect(pos, pos + size);
// Flags is currently hardcoded (1 = close)
PathStroke(color, thickness, 1);
}
void DrawList::DrawRectFilled(const fvec2& pos, const fvec2& size, u32 color) {
PathRect(pos, pos + size);
PathFill(color);
}
PD_LITHIUM_API void DrawList::DrawTriangle(const fvec2& a, const fvec2& b,
const fvec2& c, u32 color,
int thickness) {
PathAdd(a);
PathAdd(b);
PathAdd(c);
PathStroke(color, thickness, 1);
}
PD_LITHIUM_API void DrawList::DrawTriangleFilled(const fvec2& a, const fvec2& b,
const fvec2& c, u32 color) {
PathAdd(a);
PathAdd(b);
PathAdd(c);
PathFill(color);
}
PD_LITHIUM_API void DrawList::DrawCircle(const fvec2& center, float rad,
u32 color, int num_segments,
int thickness) {
if (num_segments <= 0) {
// Auto Segment
} else {
float am = (M_PI * 2.0f) * ((float)num_segments) / (float)num_segments;
PathArcToN(center, rad, 0.f, am, num_segments);
}
DrawSolid(); // Only Solid Color Supported
PathStroke(color, thickness, (1 << 0));
}
PD_LITHIUM_API void DrawList::DrawCircleFilled(const fvec2& center, float rad,
u32 color, int num_segments) {
if (num_segments <= 0) {
// Auto Segment
} else {
float am = (M_PI * 2.0f) * ((float)num_segments) / (float)num_segments;
PathArcToN(center, rad, 0.f, am, num_segments);
}
PathFill(color);
}
// TODO: Don't render OOS
PD_LITHIUM_API void DrawList::DrawPolyLine(const std::vector<fvec2>& points,
u32 clr, u32 flags, int thickness) {
if (points.size() < 2) {
return;
}
DrawSolid();
auto cmd = GetNewCmd();
bool close = (flags & (1 << 0));
int num_points = close ? (int)points.size() : (int)points.size() - 1;
if (flags & (1 << 1)) {
// TODO: Find a way to draw less garbage looking lines
} else {
// Non antialiased lines look awful when rendering with thickness != 1
for (int i = 0; i < num_points; i++) {
int j = (i + 1) == (int)points.size() ? 0 : (i + 1);
auto line = Renderer::PrimLine(points[i], points[j], thickness);
Renderer::CmdQuad(cmd, line, vec4(0.f, 1.f, 1.f, 0.f), clr);
}
}
}
PD_LITHIUM_API void DrawList::DrawConvexPolyFilled(
const std::vector<fvec2>& points, u32 clr) {
if (points.size() < 3) {
return; // Need at least three points
}
auto cmd = GetNewCmd();
Renderer::CmdConvexPolyFilled(cmd, points, clr, CurrentTex);
}
PD_LITHIUM_API void DrawList::DrawText(const fvec2& pos,
const std::string& text, u32 color) {
if (!pCurrentFont) {
return;
}
pCurrentFont->CmdTextEx(pPool, pos, color, pFontScale, text);
}
PD_LITHIUM_API void DrawList::DrawTextEx(const fvec2& p,
const std::string& text, u32 color,
LiTextFlags flags, const fvec2& box) {
if (!pCurrentFont) {
return;
}
pCurrentFont->CmdTextEx(pPool, p, color, pFontScale, text, flags, box);
}
PD_LITHIUM_API void DrawList::DrawLine(const fvec2& a, const fvec2& b,
u32 color, int t) {
PathAdd(a);
PathAdd(b);
PathStroke(color, t);
}
} // namespace Li
} // namespace PD

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source/lithium/font.cpp Normal file
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/*
MIT License
Copyright (c) 2024 - 2025 tobid7
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include <pd/lithium/font.hpp>
/** Due to Limitations of Shared Lib Stuff */
#ifdef PD_LITHIUM_BUILD_SHARED
#define PD_TRUETYPE_IMPLEMENTATION
#endif
#include <pd/external/stb_truetype.hpp>
#include <pd/lithium/renderer.hpp>
#ifdef PD_LI_INCLUDE_FONTS
#include <pd/lithium/fonts.hpp>
#endif
namespace PD {
namespace Li {
PD_LITHIUM_API void Font::LoadDefaultFont(int id, int pixel_height) {
#ifdef PD_LI_INCLUDE_FONTS
if (id < pNumFonts) {
auto font = pFontData[id];
LoadTTF(std::vector<u8>(&pFontsDataRaw[font.StartOff],
&pFontsDataRaw[font.StartOff + font.Size]),
pixel_height);
}
#endif
}
PD_LITHIUM_API void Font::LoadTTF(const std::string& path, int height) {
/**
* Just use LoadFile2Mem which looks way cleaner
* and helps not having the font loading code twice
* when adding LoadTTF with mem support
*/
TT::Scope st("LI_LoadTTF_" + path);
auto font = PD::IO::LoadFile2Mem(path);
LoadTTF(font, height);
}
PD_LITHIUM_API void Font::pMakeAtlas(bool final, std::vector<u8>& font_tex,
int texszs, PD::Li::Texture::Ref tex) {
auto t =
Gfx::LoadTex(font_tex, texszs, texszs, Texture::RGBA32, Texture::LINEAR);
tex->CopyFrom(t);
Textures.push_back(tex);
}
PD_LITHIUM_API void Font::LoadTTF(const std::vector<u8>& data, int height) {
/**
* Some additional Info:
* Removed the stbtt get bitmapbox as we dont need to place
* the glyps nicely in the tex. next step would be using the free
* space on the y axis to get mor glyphs inside
*/
PixelHeight = height;
int texszs = PD::BitUtil::GetPow2(height * 16);
if (texszs > 1024) {
texszs = 1024; // Max size
}
pdtt_fontinfo inf;
if (!pdtt_InitFont(&inf, data.data(), 0)) {
return;
}
float scale = pdtt_ScaleForPixelHeight(&inf, PixelHeight);
int ascent, descent, lineGap;
pdtt_GetFontVMetrics(&inf, &ascent, &descent, &lineGap);
int baseline = static_cast<int>(ascent * scale);
// Cache to not render same codepoint tex twice
std::map<u32, int> buf_cache;
std::vector<u8> font_tex(texszs * texszs * 4, 0);
auto tex = Texture::New();
fvec2 off;
bool empty = true;
for (u32 ii = 0x0000; ii <= 0xFFFF; ii++) {
int gi = pdtt_FindGlyphIndex(&inf, ii);
if (gi == 0) continue;
if (pdtt_IsGlyphEmpty(&inf, gi)) continue;
int w = 0, h = 0, xo = 0, yo = 0;
unsigned char* bitmap =
pdtt_GetCodepointBitmap(&inf, scale, scale, ii, &w, &h, &xo, &yo);
if (!bitmap || w <= 0 || h <= 0) {
if (bitmap) free(bitmap);
continue;
}
u32 hashed_map = IO::HashMemory(std::vector<u8>(bitmap, bitmap + (w * h)));
if (buf_cache.find(hashed_map) != buf_cache.end()) {
Codepoint c = GetCodepoint(buf_cache[hashed_map]);
c.pCodepoint = ii;
CodeMap[ii] = c;
free(bitmap);
continue;
} else {
buf_cache[hashed_map] = ii;
}
// Next row
if (off.x + w > texszs) {
off.y += PixelHeight;
off.x = 0.0f;
}
// Bake cause we go out of the tex
if (off.y + PixelHeight > texszs) {
pMakeAtlas(false, font_tex, texszs, tex);
tex = Texture::New();
off = 0;
std::fill(font_tex.begin(), font_tex.end(), 0);
empty = true;
}
// UVs & Codepoint
Codepoint c;
fvec4 uvs;
// cast the ints to floats and not the floats...
// dont know where my mind was when creating the code
uvs.x = off.x / static_cast<float>(texszs);
uvs.y = off.y / static_cast<float>(texszs);
uvs.z = (off.x + w) / static_cast<float>(texszs);
uvs.w = (off.y + h) / static_cast<float>(texszs);
// Flip if needed
if (Gfx::Flags() & LiBackendFlags_FlipUV_Y) {
uvs.y = 1.f - uvs.y;
uvs.w = 1.f - uvs.w;
}
c.SimpleUV = uvs;
c.Tex = tex;
c.Size = fvec2(w, h);
c.Offset = baseline + yo;
c.pCodepoint = ii;
for (int y = 0; y < h; ++y) {
for (int x = 0; x < w; ++x) {
int map_pos = ((static_cast<int>(off.y) + y) * texszs +
(static_cast<int>(off.x) + x)) *
4;
font_tex[map_pos + 0] = 255;
font_tex[map_pos + 1] = 255;
font_tex[map_pos + 2] = 255;
font_tex[map_pos + 3] = bitmap[x + y * w];
}
}
empty = false;
CodeMap[ii] = c;
free(bitmap);
// offset by 1 (prevents visual glitches i had)
off.x += w + 1;
}
if (!empty) {
pMakeAtlas(true, font_tex, texszs, tex);
}
}
PD_LITHIUM_API Font::Codepoint& Font::GetCodepoint(u32 cp) {
// Check if codepoijt exist or return a static invalid one
auto res = CodeMap.find(cp);
if (res == CodeMap.end()) {
static Codepoint invalid;
invalid.pInvalid = true;
return invalid;
}
return res->second;
}
PD_LITHIUM_API fvec2 Font::GetTextBounds(const std::string& text, float scale) {
u32 id = PD::FNV1A32(text);
if (pTMS.find(id) != pTMS.end()) {
pTMS[id].TimeStamp = PD::OS::GetTime();
return pTMS[id].Size;
}
// Use wstring for exemple for german äöü
auto wtext = Strings::MakeWstring(text);
// Create a temp position and offset as [0, 0]
fvec2 res;
float x = 0;
// Curent Font Scale
float cfs = (DefaultPixelHeight * scale) / (float)PixelHeight;
float lh = (float)PixelHeight * cfs;
size_t index = 0;
for (auto& it : wtext) {
if (it == L'\0') {
break;
}
index++;
auto cp = GetCodepoint(it);
if (cp.pInvalid && it != '\n' && it != '\t' && it != ' ') {
continue;
}
switch (it) {
case L'\n':
res.y += lh;
res.x = std::max(res.x, x);
x = 0.f;
break;
case L'\t':
x += 16 * cfs;
break;
case L' ':
x += 4 * cfs;
// Fall trough here to get the same result as in
// TextCommand if/else Section
default:
x += cp.Size.x * cfs;
if (index != wtext.size()) {
x += 2 * cfs;
}
break;
}
}
res.x = std::max(res.x, x);
res.y += lh;
pTMS[id].ID = id;
pTMS[id].Size = res;
pTMS[id].TimeStamp = PD::OS::GetTime();
return res;
}
PD_LITHIUM_API void Font::CmdTextEx(CmdPool& cmds, const fvec2& pos, u32 color,
float scale, const std::string& text,
LiTextFlags flags, const fvec2& box) {
fvec2 off;
float cfs = (DefaultPixelHeight * scale) / (float)PixelHeight;
float lh = (float)PixelHeight * cfs;
fvec2 td;
fvec2 rpos = pos;
fvec2 rbox = box;
std::string txt = text;
if (flags & LiTextFlags_Wrap) {
txt = pWrapText(txt, scale, box, td);
}
if (flags & (LiTextFlags_AlignMid | LiTextFlags_AlignRight)) {
td = GetTextBounds(text, scale);
}
if (flags & LiTextFlags_AlignMid) {
rpos = rbox * 0.5 - td * 0.5 + pos;
}
if (flags & LiTextFlags_AlignRight) {
rpos.x = rpos.x - td.x;
}
std::vector<std::string> lines;
std::istringstream iss(txt);
std::string tmp;
while (std::getline(iss, tmp)) {
lines.push_back(tmp);
}
for (auto& it : lines) {
if (flags & LiTextFlags_NoOOS) {
if (rpos.y + off.y + lh < 0) {
off.y += lh;
continue;
}
if (rpos.y + off.y > box.y && box.y != 0) {
break;
}
}
if (flags & LiTextFlags_Short) {
fvec2 tmp_dim;
it = pShortText(it, scale, box - pos, tmp_dim);
}
auto wline = Strings::MakeWstring(it);
auto cmd = cmds.NewCmd();
auto Tex = GetCodepoint(wline[0]).Tex;
if (Tex) {
cmd->Tex = Tex->Address;
}
for (auto& jt : wline) {
auto cp = GetCodepoint(jt);
if ((cp.pInvalid && jt != L' ' && jt != L'\n' && jt != L'\t') &&
jt != L'\r') {
continue;
}
if (Tex != cp.Tex) {
cmd = cmds.NewCmd();
Tex = cp.Tex;
if (Tex) {
cmd->Tex = Tex->Address;
}
}
if (jt == L'\t') {
off.x += 16 * cfs;
} else {
if (jt != L' ') {
if (flags & LiTextFlags_Shaddow) {
// Draw
Rect rec = Renderer::PrimRect(
rpos + fvec2(off.x + 1, off.y + (cp.Offset * cfs)) + 1,
cp.Size * cfs, 0.f);
Renderer::CmdQuad(cmd, rec, cp.SimpleUV, 0xff111111);
}
// Draw
Rect rec = Renderer::PrimRect(
rpos + off + fvec2(0, (cp.Offset * cfs)), cp.Size * cfs, 0.f);
Renderer::CmdQuad(cmd, rec, cp.SimpleUV, color);
off.x += cp.Size.x * cfs + 2 * cfs;
} else {
off.x += 4 * cfs;
}
}
}
off.y += lh;
off.x = 0;
}
}
PD_LITHIUM_API std::string Font::pWrapText(const std::string& txt, float scale,
const PD::fvec2& max,
PD::fvec2& dim) {
u32 id = PD::FNV1A32(txt);
if (pTMS.find(id) != pTMS.end()) {
if (pTMS[id].Text.size()) {
dim = pTMS[id].Size;
pTMS[id].TimeStamp = PD::OS::GetTime();
return pTMS[id].Text;
}
}
std::string ret;
std::string line;
int lx = 0;
std::stringstream s(txt);
std::string tmp;
// Simply go over every word
while (s >> tmp) {
auto d = GetTextBounds(tmp, scale);
if (lx + d.x <= max.x) {
line += tmp + ' ';
lx += d.x;
} else {
ret += line + '\n';
line = tmp + ' ';
lx = GetTextBounds(line, scale).x;
}
}
ret += line;
dim = GetTextBounds(ret, scale);
pTMS[id].ID = id;
pTMS[id].Size = dim;
pTMS[id].Text = ret;
pTMS[id].TimeStamp = PD::OS::GetTime();
return ret;
}
PD_LITHIUM_API std::string Font::pShortText(const std::string& txt, float scale,
const PD::fvec2& max,
PD::fvec2& dim) {
u32 id = PD::FNV1A32(txt);
if (pTMS.find(id) != pTMS.end()) {
if (pTMS[id].Text.size()) {
dim = pTMS[id].Size;
pTMS[id].TimeStamp = PD::OS::GetTime();
return pTMS[id].Text;
}
}
auto test = GetTextBounds(txt, scale);
if (test.x < max.x) {
return txt;
}
std::string ext;
std::string ph = "(...)"; // placeholder
std::string tmp = txt;
std::string ret;
auto maxlen = max.x;
size_t ext_ = tmp.find_last_of('.');
if (ext_ != tmp.npos) {
ext = tmp.substr(ext_);
tmp = tmp.substr(0, ext_);
}
maxlen -= GetTextBounds(ext, scale).x;
maxlen -= GetTextBounds(ph, scale).x;
for (auto& it : tmp) {
if (GetTextBounds(ret, scale).x > maxlen) {
ret += ph;
ret += ext;
dim = GetTextBounds(ret, scale);
return ret;
}
ret += it;
}
pTMS[id].ID = id;
pTMS[id].Size = dim;
pTMS[id].Text = ret;
pTMS[id].TimeStamp = PD::OS::GetTime();
return ret;
}
PD_LITHIUM_API void Font::CleanupTMS() {
u64 t = PD::OS::GetTime();
for (auto it = pTMS.begin(); it != pTMS.end();) {
if (t - it->second.TimeStamp > 1000) {
it = pTMS.erase(it);
} else {
it++;
}
}
}
} // namespace Li
} // namespace PD

48
source/lithium/fonts.cpp Normal file
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/*
MIT License
Copyright (c) 2024 - 2025 René Amthor (tobid7)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#ifdef PD_LI_INCLUDE_FONTS
#include <pd/lithium/fonts.hpp>
/** Generated with pdfm */
namespace PD {
FontFileData pFontData[] = {
{
"ComicNeue-Bold.ttf",
0,
1,
},
{
"Roboto-Regular.ttf",
0,
1,
},
};
size_t pNumFonts = 2;
// clang-format off
PD::u8 pFontsDataRaw[] = {
0x0
};
// clang-format on
} // namespace PD
#endif

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source/lithium/renderer.cpp Executable file
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/*
MIT License
Copyright (c) 2024 - 2025 tobid7
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include <pd/lithium/renderer.hpp>
namespace PD {
namespace Li {
PD_LITHIUM_API bool Renderer::InBox(const fvec2& pos, const fvec2& szs,
const fvec4& rect) {
return (pos.x + szs.x >= rect.x && pos.y + szs.y >= rect.y &&
pos.x <= rect.z && pos.y <= rect.w);
}
PD_LITHIUM_API bool Renderer::InBox(const fvec2& pos, const fvec4& rect) {
return (pos.x > rect.x && pos.x < rect.x + rect.z && pos.y > rect.y &&
pos.y < rect.y + rect.w);
}
PD_LITHIUM_API bool Renderer::InBox(const fvec2& alpha, const fvec2& bravo,
const fvec2& charlie, const fvec4& rect) {
return ((alpha.x < rect.z && bravo.x < rect.z && charlie.x < rect.z) ||
(alpha.y < rect.w && bravo.y < rect.w && charlie.y < rect.w) ||
(alpha.x > 0 && bravo.x > 0 && charlie.x > 0) ||
(alpha.y > 0 && bravo.y > 0 && charlie.y > 0));
}
PD_LITHIUM_API void Renderer::RotateCorner(fvec2& pos, float sinus,
float cosinus) {
float x = pos.x * cosinus - pos.y * sinus;
float y = pos.y * cosinus - pos.x * sinus;
pos = fvec2(x, y);
}
PD_LITHIUM_API Rect Renderer::PrimRect(const fvec2& pos, const fvec2& size,
float angle) {
fvec2 c = size * 0.5f; // Center
fvec2 corner[4] = {
fvec2(-c.x, -c.y),
fvec2(-c.x + size.x, -c.y),
fvec2(-c.x, -c.y + size.y),
fvec2(-c.x + size.x, -c.y + size.y),
};
// Only rotate if required
if (angle != 0.f) {
float s = std::sin(angle);
float co = std::cos(angle);
for (int i = 0; i < 4; i++) {
RotateCorner(corner[i], s, co);
}
}
// Return Result
return Rect(corner[0] + pos + c, corner[1] + pos + c, corner[2] + pos + c,
corner[3] + pos + c);
}
PD_LITHIUM_API Rect Renderer::PrimLine(const fvec2& a, const fvec2& b,
int thickness) {
// Using the vec maths api makes the code as short as it is
vec2 dir = a - b;
float len = dir.Len();
vec2 unit_dir = dir / len;
vec2 perpendicular(-unit_dir.y, unit_dir.x);
vec2 off = perpendicular * ((float)thickness * 0.5f);
return Rect(a + off, b + off, a - off, b - off);
}
PD_LITHIUM_API void Renderer::CmdQuad(Command::Ref cmd, const Rect& quad,
const Rect& uv, u32 color) {
cmd->AddIdx(0).AddIdx(1).AddIdx(2);
cmd->AddIdx(0).AddIdx(2).AddIdx(3);
cmd->AddVtx(Vertex(quad.BotRight(), uv.BotRight(), color));
cmd->AddVtx(Vertex(quad.TopRight(), uv.TopRight(), color));
cmd->AddVtx(Vertex(quad.TopLeft(), uv.TopLeft(), color));
cmd->AddVtx(Vertex(quad.BotLeft(), uv.BotLeft(), color));
}
PD_LITHIUM_API void Renderer::CmdTriangle(Command::Ref cmd, const fvec2 a,
const fvec2 b, const fvec2 c,
u32 clr) {
cmd->AddIdx(2).AddIdx(1).AddIdx(0);
cmd->AddVtx(Vertex(a, vec2(0.f, 1.f), clr));
cmd->AddVtx(Vertex(b, vec2(1.f, 1.f), clr));
cmd->AddVtx(Vertex(c, vec2(1.f, 0.f), clr));
}
// TODO: Don't render OOS (Probably make it with a define as it
// would probably be faster to render out of screen than checking if
// it could be skipped)
PD_LITHIUM_API void Renderer::CmdConvexPolyFilled(
Command::Ref cmd, const std::vector<fvec2>& points, u32 clr,
Texture::Ref tex) {
if (points.size() < 3 || tex == nullptr) {
return; // Need at least three points
}
// Support for Custom Textures (UV calculation)
float minX = points[0].x, minY = points[0].y;
float maxX = minX, maxY = minY;
// Check for the max and min Positions
for (const auto& it : points) {
if (it.x < minX) minX = it.x;
if (it.y < minY) minY = it.y;
if (it.x > maxX) maxX = it.x;
if (it.y > maxY) maxY = it.y;
}
// Get Short defines for UV
// (Bottom Right is not required)
auto uv_tl = tex->UV.TopLeft();
auto uv_tr = tex->UV.TopRight();
auto uv_bl = tex->UV.BotLeft();
// Render
for (int i = 2; i < (int)points.size(); i++) {
cmd->AddIdx(0).AddIdx(i).AddIdx(i - 1);
}
for (int i = 0; i < (int)points.size(); i++) {
// Calculate U and V coords
float u =
uv_tl.x + ((points[i].x - minX) / (maxX - minX)) * (uv_tr.x - uv_tl.x);
float v =
uv_tl.y + ((points[i].y - minY) / (maxY - minY)) * (uv_bl.y - uv_tl.y);
cmd->AddVtx(Vertex(points[i], fvec2(u, v), clr));
}
}
} // namespace Li
} // namespace PD