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chore(gx): split out GxuFont and GuxFontInternal

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This commit is contained in:
fallenoak 2025-12-09 08:50:39 -06:00
parent d6e2a1dce9
commit d8aa46f471
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GPG Key ID: 7628F8E61AEA070D
9 changed files with 663 additions and 635 deletions
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566
src/gx/Font.cpp
View File

@ -1,33 +1,22 @@
#include "gx/Font.hpp" #include "gx/Font.hpp"
#include "gx/font/CGxFont.hpp"
#include "gx/font/CGxString.hpp"
#include "gx/font/CGxStringBatch.hpp"
#include "gx/font/Wrap.hpp"
#include "gx/Coordinate.hpp" #include "gx/Coordinate.hpp"
#include "gx/Device.hpp" #include "gx/Device.hpp"
#include "gx/FontInternal.hpp" #include "gx/font/CGxFont.hpp"
#include "gx/Gx.hpp" #include "gx/font/GxuFont.hpp"
#include "gx/Shader.hpp"
#include <algorithm>
#include <cstring>
#include <new>
#include <storm/Error.hpp> #include <storm/Error.hpp>
#include <storm/Memory.hpp> #include <storm/Memory.hpp>
#include <storm/String.hpp> #include <storm/String.hpp>
#include <storm/Unicode.hpp>
#include <tempest/Math.hpp> #include <tempest/Math.hpp>
#include <algorithm>
#include <new>
CGxShader* g_fontPixelShader[1]; CGxShader* g_fontPixelShader[1];
CGxShader* g_fontVertexShader[2]; CGxShader* g_fontVertexShader[2];
TSList<CGxFont, TSGetLink<CGxFont>> g_fonts;
TSHashTable<FONTHASHOBJ, HASHKEY_STR> s_fontHash; TSHashTable<FONTHASHOBJ, HASHKEY_STR> s_fontHash;
uint32_t g_heightPixels; uint32_t g_heightPixels;
uint32_t g_widthPixels; uint32_t g_widthPixels;
float g_indentPixelWidth; float g_indentPixelWidth;
float g_indentNormWidth; float g_indentNormWidth;
TSList<CGxStringBatch, TSGetLink<CGxStringBatch>> s_unusedBatches;
STORM_LIST(CGxString) g_freeStrings;
STORM_LIST(CGxString) g_strings;
FONTHASHOBJ::~FONTHASHOBJ() { FONTHASHOBJ::~FONTHASHOBJ() {
if (this->font) { if (this->font) {
@ -39,33 +28,6 @@ TEXTBLOCK::~TEXTBLOCK() {
GxuFontDestroyString(this->string); GxuFontDestroyString(this->string);
} }
void CalculateYOffset(uint32_t pixelHeight, uint32_t a2, FT_Face face, uint32_t glyphHeight, int32_t* yOffset, int32_t* yStart) {
uint32_t v6 = 0;
int32_t v8 = 0;
if (glyphHeight <= pixelHeight) {
uint32_t v9 = face->glyph->bitmap_top;
if (v9 <= a2) {
v8 = a2 - v9;
} else {
v8 = 0;
v6 = v9 - a2;
}
}
uint32_t v10 = v8 <= 0 ? 0 : v8;
uint32_t v11 = pixelHeight - glyphHeight;
if (v11 >= v10) {
*yOffset = v6;
*yStart = v10;
} else {
*yOffset = pixelHeight - v10 - glyphHeight;
*yStart = v11;
}
}
uint32_t ConvertStringFlags(uint32_t flags) { uint32_t ConvertStringFlags(uint32_t flags) {
uint32_t convertedFlags = 0x0; uint32_t convertedFlags = 0x0;
@ -177,526 +139,6 @@ uint32_t GetScreenPixelWidth() {
return g_widthPixels; return g_widthPixels;
} }
QUOTEDCODE GxuDetermineQuotedCode(const char* text, int32_t& advance, CImVector* color, uint32_t flags, uint32_t& wide) {
wide = SUniSGetUTF8(reinterpret_cast<const uint8_t*>(text), &advance);
switch (wide) {
case 0x0:
case 0xFFFFFFFF:
return CODE_INVALIDCODE;
case '\r':
advance = 2 - (SUniSGetUTF8(reinterpret_cast<const uint8_t*>(text + 1), &advance) != '\n');
return CODE_NEWLINE;
case '\n':
advance = 1;
return CODE_NEWLINE;
}
if (wide != '|' || flags & 0x800) {
return CODE_INVALIDCODE;
}
auto quotedCode = text[advance];
if (!quotedCode) {
return CODE_INVALIDCODE;
}
switch (quotedCode) {
case 'N':
case 'n': {
if (flags & 0x200) {
return CODE_INVALIDCODE;
}
advance = 2;
return CODE_NEWLINE;
}
// TODO handle other control codes
}
// TODO remainder of function
return CODE_INVALIDCODE;
}
int32_t GxuFontAddToBatch(CGxStringBatch* batch, CGxString* string) {
if (batch && string) {
batch->AddString(string);
return 1;
} else {
return 0;
}
}
void GxuFontAddShadow(CGxString* string, const CImVector& color, const C2Vector& offset) {
if (string) {
if (!(string->m_flags & 0x80)) {
string->AddShadow(offset, color);
}
}
}
CGxStringBatch* GxuFontCreateBatch(bool a1, bool a2) {
CGxStringBatch* batch;
if (s_unusedBatches.Head()) {
batch = s_unusedBatches.Head();
s_unusedBatches.UnlinkNode(batch);
} else {
auto m = SMemAlloc(sizeof(CGxStringBatch), __FILE__, __LINE__, 0x8);
batch = new (m) CGxStringBatch();
}
if (a1) {
batch->m_flags |= 0x1;
} else {
batch->m_flags &= ~0x1;
}
if (a2) {
batch->m_flags |= 0x2;
} else {
batch->m_flags &= ~0x2;
}
return batch;
}
int32_t GxuFontCreateFont(const char* name, float fontHeight, CGxFont*& face, uint32_t flags) {
STORM_ASSERT(name);
STORM_ASSERT(*name);
STORM_ASSERT((fontHeight <= 1.0f) && (fontHeight > 0.0f));
CGxFont* newFace = g_fonts.NewNode(2, 0, 0);
uint32_t v12 = flags;
if (flags & 0x8) {
v12 |= 0x1;
}
int32_t v13 = newFace->Initialize(name, v12, fontHeight);
if (!v13) {
g_fonts.DeleteNode(newFace);
newFace = nullptr;
}
face = newFace;
return v13;
}
int32_t GxuFontCreateString(CGxFont* face, const char* text, float fontHeight, const C3Vector& position, float blockWidth, float blockHeight, float spacing, CGxString*& string, EGxFontVJusts vertJustification, EGxFontHJusts horzJustification, uint32_t flags, const CImVector& color, float charSpacing, float scale) {
STORM_ASSERT(face);
STORM_ASSERT(text);
// TODO
// STORM_ASSERT(fontHeight || (flags & EGxStringFlags_FixedSize));
STORM_ASSERT(vertJustification < GxVJ_Last);
STORM_ASSERT(horzJustification < GxHJ_Last);
auto newString = CGxString::GetNewString(1);
int32_t result = newString->Initialize(
fontHeight,
position,
blockWidth,
blockHeight,
face,
text,
vertJustification,
horzJustification,
spacing,
flags & ~0x1,
color,
scale
);
if (result) {
string = newString;
} else {
GxuFontDestroyString(newString);
}
return result;
}
int32_t GxuFontDestroyBatch(CGxStringBatch* batch) {
if (!batch) {
return 0;
}
batch->m_fontBatch.Clear();
s_unusedBatches.LinkToTail(batch);
return 1;
}
void GxuFontDestroyFont(CGxFont*& font) {
if (font) {
g_fonts.DeleteNode(font);
}
font = nullptr;
}
void GxuFontDestroyString(CGxString*& string) {
if (string) {
string->Unlink();
string->Recycle();
string = nullptr;
}
}
uint32_t GxuFontGetFontFlags(CGxFont* font) {
if (font) {
return font->m_flags;
}
return 0;
}
const char* GxuFontGetFontName(CGxFont* font) {
return font
? font->GetName()
: nullptr;
}
uint32_t GxuFontGetMaxCharsWithinWidth(CGxFont* font, const char* text, float height, float maxWidth, uint32_t lineBytes, float* extent, float a7, float scale, float a9, uint32_t flags) {
return InternalGetMaxCharsWithinWidth(
font,
text,
height,
maxWidth,
lineBytes,
extent,
flags,
a7,
scale,
nullptr,
nullptr,
nullptr
);
}
uint32_t GxuFontGetMaxCharsWithinWidthAndHeight(CGxFont* font, const char* text, float fontHeight, float maxWidth, float maxHeight, uint32_t lineBytes, float a7, float scale, float a9, uint32_t flags) {
if (!font) {
return 0;
}
if (!text || !*text) {
return 0;
}
if (fontHeight == 0.0f || maxWidth == 0.0f || maxHeight == 0.0f || g_heightPixels == 0.0f) {
return 0;
}
if (lineBytes == 0) {
return 0;
}
if (flags & 0x4) {
fontHeight = GxuFontGetOneToOneHeight(font);
}
auto v24 = static_cast<float>(g_heightPixels) * a9;
auto v22 = CMath::fuint_pi(v24);
auto v12 = static_cast<float>(v22) / static_cast<float>(g_heightPixels);
bool v26 = true;
auto v27 = v12;
v24 = 0.0f;
auto v13 = fontHeight;
const char* nextText;
uint32_t maxChars = 0;
auto currentText = text;
int32_t v25 = 0;
while (*currentText) {
if (flags & 0x2000 && v25 == 1) {
maxWidth -= g_indentNormWidth;
}
float v21;
CalcWrapPoint(
font,
currentText,
fontHeight,
maxWidth,
&v22,
&v21,
&nextText,
a7,
flags,
&v26,
0,
scale
);
v22 = nextText - currentText;
if (nextText == currentText) {
break;
}
auto v15 = v24;
auto v16 = v25 + 1 < 0;
auto v17 = v24 + fontHeight;
v25++;
float v18 = v25;
if (v16) {
v18 = v18 + 4294967300.0;
}
if (v18 * 0.00000095367431640625 + maxHeight < v17) {
break;
}
maxChars += nextText - currentText;
currentText = nextText;
v24 = fontHeight + v15 + v27;
if (!v26 || !nextText) {
break;
}
}
return maxChars;
}
float GxuFontGetOneToOneHeight(CGxFont* font) {
STORM_ASSERT(font);
return PixelToScreenHeight(font->GetPixelSize());
}
void GxuFontGetTextExtent(CGxFont* font, const char* text, uint32_t numBytes, float height, float* extent, float a6, float scale, float a8, uint32_t flags) {
InternalGetTextExtent(font, text, numBytes, height, extent, flags, a6, scale);
}
float GxuFontGetWrappedTextHeight(CGxFont* font, const char* text, float a3, float a4, const C2Vector& a5, float a6, float a7, uint32_t flags) {
STORM_ASSERT(font);
STORM_ASSERT(text);
if (flags & 0x04) {
a3 = GxuFontGetOneToOneHeight(font);
}
int32_t advance;
uint32_t numBytes;
uint32_t code;
int32_t numLines = 0;
float extent = 0.0f;
float v17 = 0.0f;
float v18 = 0.0f;
const char* currentText = text;
const char* nextText = nullptr;
bool v21 = true;
while (currentText && *currentText) {
QUOTEDCODE quotedCode = GxuDetermineQuotedCode(currentText, advance, nullptr, flags, code);
if (flags & 0x2000 && numLines == 1) {
a4 = a4 - g_indentNormWidth;
}
if (quotedCode == CODE_NEWLINE) {
nextText = currentText + advance;
} else {
CalcWrapPoint(
font,
currentText,
a3,
a4,
&numBytes,
&extent,
&nextText,
a5.x,
flags,
&v21,
&v17,
a6
);
if (currentText == nextText) {
break;
}
}
numLines++;
currentText = nextText;
float v14 = (float)GetScreenPixelHeight() * a3;
if (v14 < v17) {
v18 = v17 - v14 + v18;
}
if (flags & 0x02) {
break;
}
}
if (!(flags & 0x02) && currentText > text && GxuDetermineQuotedCode(currentText - 1, advance, nullptr, flags, code) == CODE_NEWLINE) {
numLines++;
}
if (!numLines) {
return 0.0f;
}
float v22 = GetScreenPixelHeight();
float v14 = v22 * a7;
auto v13 = CMath::fuint_pi(v14);
auto v23 = static_cast<float>(v13) / v22;
return (v18 / v22 + v23 * (float)(numLines - 1) + (float)numLines * a3);
}
void GxuFontInitialize() {
g_theGxDevicePtr->ShaderCreate(g_fontVertexShader, GxSh_Vertex, "Shaders\\Vertex", "UI", 2);
g_theGxDevicePtr->ShaderCreate(g_fontPixelShader, GxSh_Pixel, "Shaders\\Pixel", "UI", 1);
BATCHEDRENDERFONTDESC::Initialize();
FreeTypeInitialize();
GxuFontWindowSizeChanged();
// TODO
// sub_6BD160();
}
void GxuFontRenderBatch(CGxStringBatch* batch) {
if (batch) {
batch->RenderBatch();
}
}
int32_t GxuFontSetStringColor(CGxString* string, const CImVector& color) {
STORM_ASSERT(string);
string->SetColor(color);
return 1;
}
void GxuFontSetStringPosition(CGxString* string, const C3Vector& position) {
STORM_ASSERT(string);
string->SetStringPosition(position);
}
void GxuFontUpdate() {
for (auto string = g_strings.Head(); string; string = g_strings.Link(string)->Next()) {
string->Tick();
}
// TODO
}
void GxuFontWindowSizeChanged() {
static CRect s_currentRect = { 0.0f, 0.0f, 0.0f, 0.0f };
CRect rect = { 0.0f, 0.0f, 0.0f, 0.0f };
GxCapsWindowSize(rect);
if (rect.maxY - rect.minY == 0.0f || rect.maxX - rect.minX == 0.0f) {
rect = { 0.0f, 0.0f, 480.0f, 640.0f };
}
if (s_currentRect == rect) {
return;
}
s_currentRect = rect;
g_widthPixels = rect.maxX - rect.minX;
g_heightPixels = rect.maxY - rect.minY;
g_indentPixelWidth = 15.0f;
g_indentNormWidth = 15.0f / (rect.maxX - rect.minX);
// TODO
// - walk s_fonts and trigger HandleScreenSizeChange
}
int32_t IGxuFontGlyphRenderGlyph(FT_Face face, uint32_t pixelHeight, uint32_t code, uint32_t baseline, GLYPHBITMAPDATA* dataPtr, int32_t monochrome, uint32_t a7) {
STORM_ASSERT(face);
STORM_ASSERT(pixelHeight);
STORM_ASSERT(dataPtr);
if (!FT_Get_Char_Index(face, code)) {
return 0;
}
if (!FREETYPE_RenderGlyph(code, monochrome != 0, face)) {
return 0;
}
auto glyph = face->glyph;
uint32_t width = glyph->bitmap.width;
uint32_t height = std::min(static_cast<uint32_t>(glyph->bitmap.rows), pixelHeight);
size_t dataSize = glyph->bitmap.pitch * glyph->bitmap.rows;
auto srcData = glyph->bitmap.buffer;
uint32_t pitch = glyph->bitmap.pitch;
int32_t dummyGlyph = 0;
if (!width || !height || !srcData || !pitch || !dataSize) {
width = (pixelHeight + 3) >> 2;
height = pixelHeight;
if (!width) {
width = pixelHeight;
}
if (monochrome) {
pitch = (width + 7) & 0xFFFFFFF8;
} else {
pitch = width;
}
dataSize = pixelHeight * pitch;
dummyGlyph = 1;
}
void* data = SMemAlloc(dataSize, __FILE__, __LINE__, 0x0);
if (data) {
memset(data, 0, dataSize);
}
if (srcData) {
memcpy(data, srcData, dataSize);
}
dataPtr->m_data = data;
dataPtr->m_dataSize = dataSize;
dataPtr->m_glyphPitch = pitch;
dataPtr->m_glyphWidth = width;
dataPtr->m_glyphHeight = height;
dataPtr->m_glyphCellWidth = width + a7;
dataPtr->m_glyphAdvance = (double)(face->glyph->metrics.horiAdvance / 64) + 1.0;
dataPtr->m_glyphBearing = (double)face->glyph->metrics.horiBearingX * 0.015625;
dataPtr->m_yOffset = 0;
dataPtr->m_yStart = 0;
if (width && height && data && !dummyGlyph) {
CalculateYOffset(pixelHeight, baseline, face, height, &dataPtr->m_yOffset, &dataPtr->m_yStart);
}
return 1;
}
float PixelToScreenHeight(int32_t height) { float PixelToScreenHeight(int32_t height) {
return (double)height / (double)g_heightPixels; return (double)height / (double)g_heightPixels;
} }

60
src/gx/Font.hpp
View File

@ -2,9 +2,8 @@
#define GX_FONT_HPP #define GX_FONT_HPP
#include "gx/font/FreeType.hpp" #include "gx/font/FreeType.hpp"
#include "gx/font/GxuFont.hpp"
#include "gx/font/Types.hpp" #include "gx/font/Types.hpp"
#include "gx/Types.hpp"
#include <cstdint>
#include <common/Handle.hpp> #include <common/Handle.hpp>
#include <storm/Hash.hpp> #include <storm/Hash.hpp>
@ -34,14 +33,11 @@ class TEXTBLOCK : public CHandleObject {
}; };
extern CGxShader* g_fontPixelShader[1]; extern CGxShader* g_fontPixelShader[1];
extern CGxShader* g_fontVertexShader[2]; extern CGxShader* g_fontVertexShader[2];
extern uint32_t g_heightPixels;
extern STORM_LIST(CGxString) g_freeStrings; extern uint32_t g_widthPixels;
extern float g_indentPixelWidth;
extern STORM_LIST(CGxString) g_strings; extern float g_indentNormWidth;
void CalculateYOffset(uint32_t, uint32_t, FT_Face, uint32_t, int32_t*, int32_t*);
float GetCharacterWidth(const char*, uint32_t, uint32_t, CGxFont*, float); float GetCharacterWidth(const char*, uint32_t, uint32_t, CGxFont*, float);
@ -53,52 +49,6 @@ uint32_t GetScreenPixelHeight(void);
uint32_t GetScreenPixelWidth(void); uint32_t GetScreenPixelWidth(void);
QUOTEDCODE GxuDetermineQuotedCode(const char*, int32_t&, CImVector*, uint32_t, uint32_t&);
int32_t GxuFontAddToBatch(CGxStringBatch*, CGxString*);
void GxuFontAddShadow(CGxString* string, const CImVector& color, const C2Vector& offset);
CGxStringBatch* GxuFontCreateBatch(bool, bool);
int32_t GxuFontCreateFont(const char*, float, CGxFont*&, uint32_t);
int32_t GxuFontCreateString(CGxFont*, const char*, float, const C3Vector&, float, float, float, CGxString*&, EGxFontVJusts, EGxFontHJusts, uint32_t, const CImVector&, float, float);
int32_t GxuFontDestroyBatch(CGxStringBatch*);
void GxuFontDestroyFont(CGxFont*& font);
void GxuFontDestroyString(CGxString*&);
uint32_t GxuFontGetFontFlags(CGxFont*);
const char* GxuFontGetFontName(CGxFont*);
uint32_t GxuFontGetMaxCharsWithinWidth(CGxFont*, const char*, float, float, uint32_t, float*, float, float, float, uint32_t);
uint32_t GxuFontGetMaxCharsWithinWidthAndHeight(CGxFont*, const char*, float, float, float, uint32_t, float, float, float, uint32_t);
float GxuFontGetOneToOneHeight(CGxFont*);
void GxuFontGetTextExtent(CGxFont* font, const char* text, uint32_t numBytes, float height, float* extent, float a6, float scale, float a8, uint32_t flags);
float GxuFontGetWrappedTextHeight(CGxFont*, const char*, float, float, const C2Vector&, float, float, uint32_t);
void GxuFontInitialize(void);
void GxuFontRenderBatch(CGxStringBatch*);
int32_t GxuFontSetStringColor(CGxString*, const CImVector&);
void GxuFontSetStringPosition(CGxString* string, const C3Vector& position);
void GxuFontUpdate();
void GxuFontWindowSizeChanged(void);
int32_t IGxuFontGlyphRenderGlyph(FT_Face, uint32_t, uint32_t, uint32_t, GLYPHBITMAPDATA*, int32_t, uint32_t);
void TextBlockAddShadow(HTEXTBLOCK, CImVector, const C2Vector&); void TextBlockAddShadow(HTEXTBLOCK, CImVector, const C2Vector&);
HTEXTBLOCK TextBlockCreate(HTEXTFONT, const char*, const CImVector&, const C3Vector&, float, float, float, uint32_t, float, float, float); HTEXTBLOCK TextBlockCreate(HTEXTFONT, const char*, const CImVector&, const C3Vector&, float, float, float, uint32_t, float, float, float);

12
src/gx/FontInternal.hpp
View File

@ -1,12 +0,0 @@
#ifndef GX_FONT_INTERNAL_HPP
#define GX_FONT_INTERNAL_HPP
#include <cstdint>
class CGxFont;
uint32_t InternalGetMaxCharsWithinWidth(CGxFont*, const char*, float, float, uint32_t, float*, uint32_t, float, float, uint32_t*, float*, float*);
void InternalGetTextExtent(CGxFont*, const char*, uint32_t, float, float*, uint32_t, float, float);
#endif

1
src/gx/font/CGxFont.cpp
View File

@ -1,5 +1,6 @@
#include "gx/font/CGxFont.hpp" #include "gx/font/CGxFont.hpp"
#include "gx/font/FontFace.hpp" #include "gx/font/FontFace.hpp"
#include "gx/font/GxuFontInternal.hpp"
#include "gx/Texture.hpp" #include "gx/Texture.hpp"
#include <cmath> #include <cmath>
#include <cstring> #include <cstring>

7
src/gx/font/CGxString.cpp
View File

@ -1,15 +1,16 @@
#include "gx/font/CGxString.hpp" #include "gx/font/CGxString.hpp"
#include "gx/Buffer.hpp" #include "gx/Buffer.hpp"
#include "gx/font/CGxFont.hpp" #include "gx/font/CGxFont.hpp"
#include "gx/font/GxuFont.hpp"
#include "gx/font/Wrap.hpp" #include "gx/font/Wrap.hpp"
#include "gx/Font.hpp" #include "gx/Font.hpp"
#include "gx/Gx.hpp" #include "gx/Gx.hpp"
#include <algorithm>
#include <cmath>
#include <new>
#include <storm/Memory.hpp> #include <storm/Memory.hpp>
#include <storm/String.hpp> #include <storm/String.hpp>
#include <tempest/Math.hpp> #include <tempest/Math.hpp>
#include <algorithm>
#include <cmath>
#include <new>
TEXTLINETEXTURE* TEXTLINETEXTURE::NewTextLineTexture() { TEXTLINETEXTURE* TEXTLINETEXTURE::NewTextLineTexture() {
// TODO // TODO

470
src/gx/font/GxuFont.cpp Normal file
View File

@ -0,0 +1,470 @@
#include "gx/font/GxuFont.hpp"
#include "gx/font/CGxFont.hpp"
#include "gx/font/CGxStringBatch.hpp"
#include "gx/font/FreeType.hpp"
#include "gx/font/GxuFontInternal.hpp"
#include "gx/font/Wrap.hpp"
#include "gx/Device.hpp"
#include "gx/Gx.hpp"
#include "gx/Types.hpp"
#include <storm/Memory.hpp>
#include <storm/Unicode.hpp>
#include <tempest/Math.hpp>
#include <tempest/Rect.hpp>
STORM_LIST(CGxFont) g_fonts;
STORM_LIST(CGxString) g_freeStrings;
STORM_LIST(CGxString) g_strings;
static TSList<CGxStringBatch, TSGetLink<CGxStringBatch>> s_unusedBatches;
QUOTEDCODE GxuDetermineQuotedCode(const char* text, int32_t& advance, CImVector* color, uint32_t flags, uint32_t& wide) {
wide = SUniSGetUTF8(reinterpret_cast<const uint8_t*>(text), &advance);
switch (wide) {
case 0x0:
case 0xFFFFFFFF:
return CODE_INVALIDCODE;
case '\r':
advance = 2 - (SUniSGetUTF8(reinterpret_cast<const uint8_t*>(text + 1), &advance) != '\n');
return CODE_NEWLINE;
case '\n':
advance = 1;
return CODE_NEWLINE;
}
if (wide != '|' || flags & 0x800) {
return CODE_INVALIDCODE;
}
auto quotedCode = text[advance];
if (!quotedCode) {
return CODE_INVALIDCODE;
}
switch (quotedCode) {
case 'N':
case 'n': {
if (flags & 0x200) {
return CODE_INVALIDCODE;
}
advance = 2;
return CODE_NEWLINE;
}
// TODO handle other control codes
}
// TODO remainder of function
return CODE_INVALIDCODE;
}
int32_t GxuFontAddToBatch(CGxStringBatch* batch, CGxString* string) {
if (batch && string) {
batch->AddString(string);
return 1;
} else {
return 0;
}
}
void GxuFontAddShadow(CGxString* string, const CImVector& color, const C2Vector& offset) {
if (string) {
if (!(string->m_flags & 0x80)) {
string->AddShadow(offset, color);
}
}
}
CGxStringBatch* GxuFontCreateBatch(bool a1, bool a2) {
CGxStringBatch* batch;
if (s_unusedBatches.Head()) {
batch = s_unusedBatches.Head();
s_unusedBatches.UnlinkNode(batch);
} else {
auto m = SMemAlloc(sizeof(CGxStringBatch), __FILE__, __LINE__, 0x8);
batch = new (m) CGxStringBatch();
}
if (a1) {
batch->m_flags |= 0x1;
} else {
batch->m_flags &= ~0x1;
}
if (a2) {
batch->m_flags |= 0x2;
} else {
batch->m_flags &= ~0x2;
}
return batch;
}
int32_t GxuFontCreateFont(const char* name, float fontHeight, CGxFont*& face, uint32_t flags) {
STORM_ASSERT(name);
STORM_ASSERT(*name);
STORM_ASSERT((fontHeight <= 1.0f) && (fontHeight > 0.0f));
CGxFont* newFace = g_fonts.NewNode(2, 0, 0);
uint32_t v12 = flags;
if (flags & 0x8) {
v12 |= 0x1;
}
int32_t v13 = newFace->Initialize(name, v12, fontHeight);
if (!v13) {
g_fonts.DeleteNode(newFace);
newFace = nullptr;
}
face = newFace;
return v13;
}
int32_t GxuFontCreateString(CGxFont* face, const char* text, float fontHeight, const C3Vector& position, float blockWidth, float blockHeight, float spacing, CGxString*& string, EGxFontVJusts vertJustification, EGxFontHJusts horzJustification, uint32_t flags, const CImVector& color, float charSpacing, float scale) {
STORM_ASSERT(face);
STORM_ASSERT(text);
// TODO
// STORM_ASSERT(fontHeight || (flags & EGxStringFlags_FixedSize));
STORM_ASSERT(vertJustification < GxVJ_Last);
STORM_ASSERT(horzJustification < GxHJ_Last);
auto newString = CGxString::GetNewString(1);
int32_t result = newString->Initialize(
fontHeight,
position,
blockWidth,
blockHeight,
face,
text,
vertJustification,
horzJustification,
spacing,
flags & ~0x1,
color,
scale
);
if (result) {
string = newString;
} else {
GxuFontDestroyString(newString);
}
return result;
}
int32_t GxuFontDestroyBatch(CGxStringBatch* batch) {
if (!batch) {
return 0;
}
batch->m_fontBatch.Clear();
s_unusedBatches.LinkToTail(batch);
return 1;
}
void GxuFontDestroyFont(CGxFont*& font) {
if (font) {
g_fonts.DeleteNode(font);
}
font = nullptr;
}
void GxuFontDestroyString(CGxString*& string) {
if (string) {
string->Unlink();
string->Recycle();
string = nullptr;
}
}
uint32_t GxuFontGetFontFlags(CGxFont* font) {
if (font) {
return font->m_flags;
}
return 0;
}
const char* GxuFontGetFontName(CGxFont* font) {
return font
? font->GetName()
: nullptr;
}
uint32_t GxuFontGetMaxCharsWithinWidth(CGxFont* font, const char* text, float height, float maxWidth, uint32_t lineBytes, float* extent, float a7, float scale, float a9, uint32_t flags) {
return InternalGetMaxCharsWithinWidth(
font,
text,
height,
maxWidth,
lineBytes,
extent,
flags,
a7,
scale,
nullptr,
nullptr,
nullptr
);
}
uint32_t GxuFontGetMaxCharsWithinWidthAndHeight(CGxFont* font, const char* text, float fontHeight, float maxWidth, float maxHeight, uint32_t lineBytes, float a7, float scale, float a9, uint32_t flags) {
if (!font) {
return 0;
}
if (!text || !*text) {
return 0;
}
if (fontHeight == 0.0f || maxWidth == 0.0f || maxHeight == 0.0f || g_heightPixels == 0.0f) {
return 0;
}
if (lineBytes == 0) {
return 0;
}
if (flags & 0x4) {
fontHeight = GxuFontGetOneToOneHeight(font);
}
auto v24 = static_cast<float>(g_heightPixels) * a9;
auto v22 = CMath::fuint_pi(v24);
auto v12 = static_cast<float>(v22) / static_cast<float>(g_heightPixels);
bool v26 = true;
auto v27 = v12;
v24 = 0.0f;
auto v13 = fontHeight;
const char* nextText;
uint32_t maxChars = 0;
auto currentText = text;
int32_t v25 = 0;
while (*currentText) {
if (flags & 0x2000 && v25 == 1) {
maxWidth -= g_indentNormWidth;
}
float v21;
CalcWrapPoint(
font,
currentText,
fontHeight,
maxWidth,
&v22,
&v21,
&nextText,
a7,
flags,
&v26,
0,
scale
);
v22 = nextText - currentText;
if (nextText == currentText) {
break;
}
auto v15 = v24;
auto v16 = v25 + 1 < 0;
auto v17 = v24 + fontHeight;
v25++;
float v18 = v25;
if (v16) {
v18 = v18 + 4294967300.0;
}
if (v18 * 0.00000095367431640625 + maxHeight < v17) {
break;
}
maxChars += nextText - currentText;
currentText = nextText;
v24 = fontHeight + v15 + v27;
if (!v26 || !nextText) {
break;
}
}
return maxChars;
}
float GxuFontGetOneToOneHeight(CGxFont* font) {
STORM_ASSERT(font);
return PixelToScreenHeight(font->GetPixelSize());
}
void GxuFontGetTextExtent(CGxFont* font, const char* text, uint32_t numBytes, float height, float* extent, float a6, float scale, float a8, uint32_t flags) {
InternalGetTextExtent(font, text, numBytes, height, extent, flags, a6, scale);
}
float GxuFontGetWrappedTextHeight(CGxFont* font, const char* text, float a3, float a4, const C2Vector& a5, float a6, float a7, uint32_t flags) {
STORM_ASSERT(font);
STORM_ASSERT(text);
if (flags & 0x04) {
a3 = GxuFontGetOneToOneHeight(font);
}
int32_t advance;
uint32_t numBytes;
uint32_t code;
int32_t numLines = 0;
float extent = 0.0f;
float v17 = 0.0f;
float v18 = 0.0f;
const char* currentText = text;
const char* nextText = nullptr;
bool v21 = true;
while (currentText && *currentText) {
QUOTEDCODE quotedCode = GxuDetermineQuotedCode(currentText, advance, nullptr, flags, code);
if (flags & 0x2000 && numLines == 1) {
a4 = a4 - g_indentNormWidth;
}
if (quotedCode == CODE_NEWLINE) {
nextText = currentText + advance;
} else {
CalcWrapPoint(
font,
currentText,
a3,
a4,
&numBytes,
&extent,
&nextText,
a5.x,
flags,
&v21,
&v17,
a6
);
if (currentText == nextText) {
break;
}
}
numLines++;
currentText = nextText;
float v14 = (float)GetScreenPixelHeight() * a3;
if (v14 < v17) {
v18 = v17 - v14 + v18;
}
if (flags & 0x02) {
break;
}
}
if (!(flags & 0x02) && currentText > text && GxuDetermineQuotedCode(currentText - 1, advance, nullptr, flags, code) == CODE_NEWLINE) {
numLines++;
}
if (!numLines) {
return 0.0f;
}
float v22 = GetScreenPixelHeight();
float v14 = v22 * a7;
auto v13 = CMath::fuint_pi(v14);
auto v23 = static_cast<float>(v13) / v22;
return (v18 / v22 + v23 * (float)(numLines - 1) + (float)numLines * a3);
}
void GxuFontInitialize() {
g_theGxDevicePtr->ShaderCreate(g_fontVertexShader, GxSh_Vertex, "Shaders\\Vertex", "UI", 2);
g_theGxDevicePtr->ShaderCreate(g_fontPixelShader, GxSh_Pixel, "Shaders\\Pixel", "UI", 1);
BATCHEDRENDERFONTDESC::Initialize();
FreeTypeInitialize();
GxuFontWindowSizeChanged();
// TODO
// sub_6BD160();
}
void GxuFontRenderBatch(CGxStringBatch* batch) {
if (batch) {
batch->RenderBatch();
}
}
int32_t GxuFontSetStringColor(CGxString* string, const CImVector& color) {
STORM_ASSERT(string);
string->SetColor(color);
return 1;
}
void GxuFontSetStringPosition(CGxString* string, const C3Vector& position) {
STORM_ASSERT(string);
string->SetStringPosition(position);
}
void GxuFontUpdate() {
for (auto string = g_strings.Head(); string; string = g_strings.Link(string)->Next()) {
string->Tick();
}
// TODO
}
void GxuFontWindowSizeChanged() {
static CRect s_currentRect = { 0.0f, 0.0f, 0.0f, 0.0f };
CRect rect = { 0.0f, 0.0f, 0.0f, 0.0f };
GxCapsWindowSize(rect);
if (rect.maxY - rect.minY == 0.0f || rect.maxX - rect.minX == 0.0f) {
rect = { 0.0f, 0.0f, 480.0f, 640.0f };
}
if (s_currentRect == rect) {
return;
}
s_currentRect = rect;
g_widthPixels = rect.maxX - rect.minX;
g_heightPixels = rect.maxY - rect.minY;
g_indentPixelWidth = 15.0f;
g_indentNormWidth = 15.0f / (rect.maxX - rect.minX);
// TODO
// - walk s_fonts and trigger HandleScreenSizeChange
}

62
src/gx/font/GxuFont.hpp Normal file
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#ifndef GX_FONT_GXU_FONT_HPP
#define GX_FONT_GXU_FONT_HPP
#include "gx/Types.hpp"
#include "gx/font/Types.hpp"
#include <storm/List.hpp>
#include <tempest/Vector.hpp>
#include <cstdint>
class CGxFont;
class CGxString;
class CGxStringBatch;
extern STORM_LIST(CGxFont) g_fonts;
extern STORM_LIST(CGxString) g_freeStrings;
extern STORM_LIST(CGxString) g_strings;
QUOTEDCODE GxuDetermineQuotedCode(const char*, int32_t&, CImVector*, uint32_t, uint32_t&);
void GxuFontAddShadow(CGxString* string, const CImVector& color, const C2Vector& offset);
int32_t GxuFontAddToBatch(CGxStringBatch*, CGxString*);
CGxStringBatch* GxuFontCreateBatch(bool, bool);
int32_t GxuFontCreateFont(const char*, float, CGxFont*&, uint32_t);
int32_t GxuFontCreateString(CGxFont*, const char*, float, const C3Vector&, float, float, float, CGxString*&, EGxFontVJusts, EGxFontHJusts, uint32_t, const CImVector&, float, float);
int32_t GxuFontDestroyBatch(CGxStringBatch*);
void GxuFontDestroyFont(CGxFont*& font);
void GxuFontDestroyString(CGxString*&);
uint32_t GxuFontGetFontFlags(CGxFont*);
const char* GxuFontGetFontName(CGxFont*);
uint32_t GxuFontGetMaxCharsWithinWidth(CGxFont*, const char*, float, float, uint32_t, float*, float, float, float, uint32_t);
uint32_t GxuFontGetMaxCharsWithinWidthAndHeight(CGxFont*, const char*, float, float, float, uint32_t, float, float, float, uint32_t);
float GxuFontGetOneToOneHeight(CGxFont*);
void GxuFontGetTextExtent(CGxFont* font, const char* text, uint32_t numBytes, float height, float* extent, float a6, float scale, float a8, uint32_t flags);
float GxuFontGetWrappedTextHeight(CGxFont*, const char*, float, float, const C2Vector&, float, float, uint32_t);
void GxuFontInitialize();
void GxuFontRenderBatch(CGxStringBatch*);
int32_t GxuFontSetStringColor(CGxString*, const CImVector&);
void GxuFontSetStringPosition(CGxString* string, const C3Vector& position);
void GxuFontUpdate();
void GxuFontWindowSizeChanged();
#endif

102
src/gx/FontInternal.cpp → src/gx/font/GxuFontInternal.cpp
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@ -1,9 +1,105 @@
#include "gx/FontInternal.hpp" #include "gx/font/GxuFontInternal.hpp"
#include "gx/Font.hpp"
#include "gx/font/CGxFont.hpp" #include "gx/font/CGxFont.hpp"
#include <cmath> #include "gx/font/GxuFont.hpp"
#include <storm/Error.hpp> #include <storm/Error.hpp>
#include <tempest/Math.hpp> #include <tempest/Math.hpp>
#include <cmath>
void CalculateYOffset(uint32_t pixelHeight, uint32_t a2, FT_Face face, uint32_t glyphHeight, int32_t* yOffset, int32_t* yStart) {
uint32_t v6 = 0;
int32_t v8 = 0;
if (glyphHeight <= pixelHeight) {
uint32_t v9 = face->glyph->bitmap_top;
if (v9 <= a2) {
v8 = a2 - v9;
} else {
v8 = 0;
v6 = v9 - a2;
}
}
uint32_t v10 = v8 <= 0 ? 0 : v8;
uint32_t v11 = pixelHeight - glyphHeight;
if (v11 >= v10) {
*yOffset = v6;
*yStart = v10;
} else {
*yOffset = pixelHeight - v10 - glyphHeight;
*yStart = v11;
}
}
int32_t IGxuFontGlyphRenderGlyph(FT_Face face, uint32_t pixelHeight, uint32_t code, uint32_t baseline, GLYPHBITMAPDATA* dataPtr, int32_t monochrome, uint32_t a7) {
STORM_ASSERT(face);
STORM_ASSERT(pixelHeight);
STORM_ASSERT(dataPtr);
if (!FT_Get_Char_Index(face, code)) {
return 0;
}
if (!FREETYPE_RenderGlyph(code, monochrome != 0, face)) {
return 0;
}
auto glyph = face->glyph;
uint32_t width = glyph->bitmap.width;
uint32_t height = std::min(static_cast<uint32_t>(glyph->bitmap.rows), pixelHeight);
size_t dataSize = glyph->bitmap.pitch * glyph->bitmap.rows;
auto srcData = glyph->bitmap.buffer;
uint32_t pitch = glyph->bitmap.pitch;
int32_t dummyGlyph = 0;
if (!width || !height || !srcData || !pitch || !dataSize) {
width = (pixelHeight + 3) >> 2;
height = pixelHeight;
if (!width) {
width = pixelHeight;
}
if (monochrome) {
pitch = (width + 7) & 0xFFFFFFF8;
} else {
pitch = width;
}
dataSize = pixelHeight * pitch;
dummyGlyph = 1;
}
void* data = SMemAlloc(dataSize, __FILE__, __LINE__, 0x0);
if (data) {
memset(data, 0, dataSize);
}
if (srcData) {
memcpy(data, srcData, dataSize);
}
dataPtr->m_data = data;
dataPtr->m_dataSize = dataSize;
dataPtr->m_glyphPitch = pitch;
dataPtr->m_glyphWidth = width;
dataPtr->m_glyphHeight = height;
dataPtr->m_glyphCellWidth = width + a7;
dataPtr->m_glyphAdvance = (double)(face->glyph->metrics.horiAdvance / 64) + 1.0;
dataPtr->m_glyphBearing = (double)face->glyph->metrics.horiBearingX * 0.015625;
dataPtr->m_yOffset = 0;
dataPtr->m_yStart = 0;
if (width && height && data && !dummyGlyph) {
CalculateYOffset(pixelHeight, baseline, face, height, &dataPtr->m_yOffset, &dataPtr->m_yStart);
}
return 1;
}
uint32_t InternalGetMaxCharsWithinWidth(CGxFont* face, const char* text, float height, float maxWidth, uint32_t lineBytes, float* extent, uint32_t flags, float a8, float scale, uint32_t* bytesInString, float* widthArray, float* widthArrayGuard) { uint32_t InternalGetMaxCharsWithinWidth(CGxFont* face, const char* text, float height, float maxWidth, uint32_t lineBytes, float* extent, uint32_t flags, float a8, float scale, uint32_t* bytesInString, float* widthArray, float* widthArrayGuard) {
STORM_ASSERT(face); STORM_ASSERT(face);

18
src/gx/font/GxuFontInternal.hpp Normal file
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#ifndef GX_FONT_GXU_FONT_INTERNAL_HPP
#define GX_FONT_GXU_FONT_INTERNAL_HPP
#include "gx/font/FreeType.hpp"
#include <cstdint>
class CGxFont;
struct GLYPHBITMAPDATA;
void CalculateYOffset(uint32_t, uint32_t, FT_Face, uint32_t, int32_t*, int32_t*);
int32_t IGxuFontGlyphRenderGlyph(FT_Face face, uint32_t pixelHeight, uint32_t code, uint32_t baseline, GLYPHBITMAPDATA* dataPtr, int32_t monochrome, uint32_t a7);
uint32_t InternalGetMaxCharsWithinWidth(CGxFont* face, const char* text, float height, float maxWidth, uint32_t lineBytes, float* extent, uint32_t flags, float a8, float scale, uint32_t* bytesInString, float* widthArray, float* widthArrayGuard);
void InternalGetTextExtent(CGxFont* font, const char* text, uint32_t numBytes, float height, float* extent, uint32_t flags, float a7, float a8);
#endif