Merge branch 'master' into using_std_fs_path

This commit is contained in:
Vladyslav Baranovskyi
2025-02-12 13:10:31 +02:00
10 changed files with 137 additions and 114 deletions

View File

@@ -47,7 +47,7 @@ namespace OpenVulkano::Scene
}
auto [allGlyphs, atlasWidth] = InitGlyphsForPacking(chset, face);
std::vector<Shelf> shelves = Shelf::CreateShelves(atlasWidth, allGlyphs, face, m_channelsCount);
std::vector<Shelf> shelves = Shelf::CreateShelves(atlasWidth, allGlyphs, face.get(), m_channelsCount);
uint32_t atlasHeight = 0;
std::for_each(shelves.begin(), shelves.end(), [&](const Shelf& shelf) { atlasHeight += shelf.GetHeight(); });
const Math::Vector2ui atlasResolution = { atlasWidth, atlasHeight };
@@ -183,7 +183,7 @@ namespace OpenVulkano::Scene
void BitmapFontAtlasGenerator::FillSubpixelData(const FT_Bitmap& bitmap, const GlyphForPacking& glyph)
{
Texture* tex = m_atlasData->GetTexture();
char* texBuffer = static_cast<char*>(tex->textureBuffer);
uint8_t* texBuffer = static_cast<uint8_t*>(tex->textureBuffer);
if (m_subpixelLayout.IsHorizontalSubpixelLayout())
{
// RGB RGB RGB

View File

@@ -0,0 +1,48 @@
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include "Shelf.hpp"
#include "Extensions/FreetypeHelper.hpp"
namespace OpenVulkano::Scene
{
std::vector<Shelf> Shelf::CreateShelves(uint32_t atlasWidth, std::vector<GlyphForPacking>& glyphs,
FT_FaceRec_* face, int channelsCount)
{
std::vector<Shelf> shelves;
for (GlyphForPacking& glyph : glyphs)
{
FT_Error error = FT_Load_Char(face, glyph.code, FT_LOAD_RENDER);
if (error) continue;
bool needNewShelf = true;
uint32_t totalPrevShelvesHeight = 0;
for (Shelf& shelf : shelves)
{
if (std::optional<std::pair<uint32_t, uint32_t>> opt = shelf.AddGlyph(glyph.size.x, glyph.size.y))
{
glyph.firstGlyphByteInAtlas = opt->second;
glyph.atlasPos.x = opt->first;
glyph.atlasPos.y = totalPrevShelvesHeight;
needNewShelf = false;
break;
}
totalPrevShelvesHeight += shelf.GetHeight();
}
if (needNewShelf)
{
shelves.emplace_back(atlasWidth, glyph.size.y, channelsCount, totalPrevShelvesHeight);
Shelf& shelf = shelves.back();
uint32_t firstByte = (*shelf.AddGlyph(glyph.size.x, glyph.size.y)).second;
glyph.firstGlyphByteInAtlas = firstByte;
glyph.atlasPos.x = 0;
glyph.atlasPos.y = totalPrevShelvesHeight;
}
}
return shelves;
}
}

View File

@@ -7,10 +7,11 @@
#pragma once
#include "Math/Math.hpp"
#include "Extensions/FreetypeHelper.hpp"
#include <vector>
#include <optional>
struct FT_FaceRec_;
namespace OpenVulkano::Scene
{
struct GlyphForPacking
@@ -23,11 +24,10 @@ namespace OpenVulkano::Scene
struct Shelf
{
inline static std::vector<Shelf> CreateShelves(uint32_t atlasWidth, std::vector<GlyphForPacking>& glyphs,
const FtFaceRecPtr& face, int channelsCount);
static std::vector<Shelf> CreateShelves(uint32_t atlasWidth, std::vector<GlyphForPacking>& glyphs, FT_FaceRec_* face, int channelsCount);
Shelf(uint32_t width, uint32_t height, int pixelSize, uint32_t prevShelvesHeight)
: m_width(width), m_height(height), m_remainingWidth(width), m_pixelSize(pixelSize), m_prevShelvesHeight(prevShelvesHeight) {}
: m_width(width), m_height(height), m_remainingWidth(width), m_prevShelvesHeight(prevShelvesHeight), m_pixelSize(pixelSize) {}
bool HasSpaceForGlyph(uint32_t glyphWidth, uint32_t glyphHeight) const
{
return m_remainingWidth >= glyphWidth && m_height >= glyphHeight;
@@ -65,45 +65,4 @@ namespace OpenVulkano::Scene
uint32_t m_prevShelvesHeight;
int m_pixelSize;
};
std::vector<Shelf> Shelf::CreateShelves(uint32_t atlasWidth, std::vector<GlyphForPacking>& glyphs,
const FtFaceRecPtr& face, int channelsCount)
{
std::vector<Shelf> shelves;
for (GlyphForPacking& glyph : glyphs)
{
FT_Error error = FT_Load_Char(face.get(), glyph.code, FT_LOAD_RENDER);
if (error)
{
continue;
}
FT_GlyphSlot slot = face->glyph;
bool needNewShelf = true;
uint32_t totalPrevShelvesHeight = 0;
for (Shelf& shelf : shelves)
{
if (std::optional<std::pair<uint32_t, uint32_t>> opt = shelf.AddGlyph(glyph.size.x, glyph.size.y))
{
glyph.firstGlyphByteInAtlas = opt->second;
glyph.atlasPos.x = opt->first;
glyph.atlasPos.y = totalPrevShelvesHeight;
needNewShelf = false;
break;
}
totalPrevShelvesHeight += shelf.GetHeight();
}
if (needNewShelf)
{
shelves.emplace_back(atlasWidth, glyph.size.y, channelsCount, totalPrevShelvesHeight);
Shelf& shelf = shelves.back();
uint32_t firstByte = (*shelf.AddGlyph(glyph.size.x, glyph.size.y)).second;
glyph.firstGlyphByteInAtlas = firstByte;
glyph.atlasPos.x = 0;
glyph.atlasPos.y = totalPrevShelvesHeight;
}
}
return shelves;
}
}