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#include "main.h"
#include "state.h"
#include "text.h"
#include "textures.h"
#include "lua_core.h"
static void checkFontRealloc( int i ) {
if ( i == state->fontCount ) {
state->fontCount++;
}
if ( state->fontCount == state->fontAlloc ) {
state->fontAlloc += ALLOC_PAGE_SIZE;
state->fonts = realloc( state->fonts, state->fontAlloc * sizeof( Font* ) );
for ( i = state->fontCount; i < state->fontAlloc; i++ ) {
state->fonts[i] = NULL;
}
}
}
bool validFont( size_t id ) {
if ( id < 0 || state->fontCount < id || state->fonts[ id ] == NULL ) {
TraceLog( LOG_WARNING, "%s %d", "Invalid font", id );
return false;
}
else {
return true;
}
}
/*
## Text - Loading
*/
/*
> font = RL_LoadFont( string fileName )
Load font from file into GPU memory ( VRAM )
- Failure return -1
- Success return int
*/
int ltextLoadFont( lua_State *L ) {
if ( !lua_isstring( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadFont( string fileName )" );
lua_pushinteger( L, -1 );
return 1;
}
int i = 0;
for ( i = 0; i < state->fontCount; i++ ) {
if ( state->fonts[i] == NULL ) {
break;
}
}
state->fonts[i] = malloc( sizeof( Font ) );
*state->fonts[i] = LoadFont( lua_tostring( L, -1 ) );
lua_pushinteger( L, i );
checkFontRealloc( i );
return 1;
}
/*
> font = RL_LoadFontEx( string fileName, int fontSize )
Load font from file with extended parameters. Loading the default character set
- Failure return -1
- Success return int
*/
int ltextLoadFontEx( lua_State *L ) {
if ( !lua_isstring( L, -2 ) || !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadFontEx( string fileName, int fontSize )" );
lua_pushinteger( L, -1 );
return 1;
}
int i = 0;
for ( i = 0; i < state->fontCount; i++ ) {
if ( state->fonts[i] == NULL ) {
break;
}
}
state->fonts[i] = malloc( sizeof( Font ) );
*state->fonts[i] = LoadFontEx( lua_tostring( L, -2 ), lua_tointeger( L, - 1 ), NULL, 0 );
lua_pushinteger( L, i );
checkFontRealloc( i );
return 1;
}
/*
> font = RL_LoadFontFromImage( Image image, Color key, int firstChar )
Load font from Image ( XNA style )
- Failure return -1
- Success return int
*/
int ltextLoadFontFromImage( lua_State *L ) {
if ( !lua_isnumber( L, -3 ) || !lua_istable( L, -2 ) || !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_LoadFontFromImage( Image image, Color key, int firstChar )" );
lua_pushinteger( L, -1 );
return 1;
}
int i = 0;
for ( i = 0; i < state->fontCount; i++ ) {
if ( state->fonts[i] == NULL ) {
break;
}
}
int firstChar = lua_tointeger( L, -1 );
lua_pop( L, 1 );
Color key = uluaGetColor( L );
lua_pop( L, 1 );
size_t imageId = lua_tointeger( L, -1 );
if ( !validImage( imageId ) ) {
lua_pushboolean( L, false );
return 1;
}
state->fonts[i] = malloc( sizeof( Font ) );
*state->fonts[i] = LoadFontFromImage( *state->images[ imageId ], key, firstChar );
lua_pushinteger( L, i );
checkFontRealloc( i );
return 1;
}
/*
> success = RL_UnloadFont( Font font )
Unload Font from GPU memory ( VRAM )
- Failure return false
- Success return true
*/
int ltextUnloadFont( lua_State *L ) {
if ( !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_UnloadFont( Font font )" );
lua_pushboolean( L, false );
return 1;
}
size_t id = lua_tointeger( L, -1 );
if ( !validFont( id ) ) {
lua_pushboolean( L, false );
return 1;
}
UnloadFont( *state->fonts[ id ] );
state->fonts[ id ] = NULL;
lua_pushboolean( L, true );
return 1;
}
/*
## Text - Draw
*/
/*
> success = RL_DrawFPS( Vector2 pos )
Draw current FPS
- Failure return false
- Success return true
*/
int ltextDrawFPS( lua_State *L ) {
if ( !lua_istable( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_DrawFPS( Vector2 pos )" );
lua_pushboolean( L, false );
return 1;
}
Vector2 pos = uluaGetVector2( L );
DrawFPS( pos.x, pos.y );
lua_pushboolean( L, true );
return 1;
}
/*
> success = RL_DrawText( Font font, string text, Vector2 position, float fontSize, float spacing, Color tint )
Draw text using font and additional parameters
- Failure return false
- Success return true
*/
int ltextDrawText( lua_State *L ) {
if ( !lua_isnumber( L, -6 ) || !lua_isstring( L, -5 ) || !lua_istable( L, -4 )
|| !lua_isnumber( L, -3 ) || !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_DrawText( Font font, string text, Vector2 position, float fontSize, float spacing, Color tint )" );
lua_pushboolean( L, false );
return 1;
}
Color color = uluaGetColor( L );
lua_pop( L, 1 );
float spacing = lua_tonumber( L, -1 );
lua_pop( L, 1 );
float fontSize = lua_tonumber( L, -1 );
lua_pop( L, 1 );
Vector2 position = uluaGetVector2( L );
lua_pop( L, 1 );
size_t fontId = lua_tointeger( L, -2 );
if ( !validFont( fontId ) ) {
lua_pushboolean( L, false );
return 1;
}
DrawTextEx( *state->fonts[ fontId ], lua_tostring( L, -1 ), position, fontSize, spacing, color );
lua_pushboolean( L, true );
return 1;
}
/*
> success = RL_DrawTextPro( Font font, string text, Vector2 position, Vector2 origin, float rotation, float fontSize, float spacing, Color tint )
Draw text using Font and pro parameters ( rotation )
- Failure return false
- Success return true
*/
int ltextDrawTextPro( lua_State *L ) {
if ( !lua_isnumber( L, -8 ) || !lua_isstring( L, -7 ) || !lua_istable( L, -6 ) || !lua_istable( L, -5 )
|| !lua_isnumber( L, -4 ) || !lua_isnumber( L, -3 ) || !lua_isnumber( L, -2 ) || !lua_istable( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_DrawTextPro( Font font, string text, Vector2 position, Vector2 origin, float rotation, float fontSize, float spacing, Color tint )" );
lua_pushboolean( L, false );
return 1;
}
Color color = uluaGetColor( L );
lua_pop( L, 1 );
float spacing = lua_tonumber( L, -1 );
lua_pop( L, 1 );
float fontSize = lua_tonumber( L, -1 );
lua_pop( L, 1 );
float rotation = lua_tonumber( L, -1 );
lua_pop( L, 1 );
Vector2 origin = uluaGetVector2( L );
lua_pop( L, 1 );
Vector2 position = uluaGetVector2( L );
lua_pop( L, 1 );
size_t fontId = lua_tointeger( L, -2 );
if ( !validFont( fontId ) ) {
lua_pushboolean( L, false );
return 1;
}
DrawTextPro( *state->fonts[ fontId ], lua_tostring( L, -1 ), position, origin, rotation, fontSize, spacing, color );
lua_pushboolean( L, true );
return 1;
}
/*
## Text - Misc
*/
/*
> size = RL_MeasureText( Font font, string text, float fontSize, float spacing )
Measure string size for Font
- Failure return false
- Success return Vector2
*/
int ltextMeasureText( lua_State *L ) {
if ( !lua_isnumber( L, -4 ) || !lua_isstring( L, -3 ) || !lua_isnumber( L, -2 ) || !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_MeasureText( Font font, string text, float fontSize, float spacing )" );
lua_pushboolean( L, false );
return 1;
}
float spacing = lua_tonumber( L, -1 );
lua_pop( L, 1 );
float fontSize = lua_tonumber( L, -1 );
lua_pop( L, 1 );
size_t fontId = lua_tointeger( L, -2 );
if ( !validFont( fontId ) ) {
lua_pushboolean( L, false );
return 1;
}
uluaPushVector2( L, MeasureTextEx( *state->fonts[ fontId ], lua_tostring( L, -1 ), fontSize, spacing ) );
return 1;
}
/*
> baseSize = RL_GetFontBaseSize( Font font )
Get font baseSize
- Failure return false
- Success return int
*/
int ltextGetFontBaseSize( lua_State *L ) {
if ( !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_GetFontBaseSize( Font font )" );
lua_pushboolean( L, false );
return 1;
}
size_t fontId = lua_tointeger( L, -1 );
if ( !validFont( fontId ) ) {
lua_pushboolean( L, false );
return 1;
}
lua_pushinteger( L, state->fonts[ fontId ]->baseSize );
return 1;
}
/*
> glyphCount = RL_GetFontGlyphCount( Font font )
Get font glyphCount
- Failure return false
- Success return int
*/
int ltextGetFontGlyphCount( lua_State *L ) {
if ( !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_GetFontGlyphCount( Font font )" );
lua_pushboolean( L, false );
return 1;
}
size_t fontId = lua_tointeger( L, -1 );
if ( !validFont( fontId ) ) {
lua_pushboolean( L, false );
return 1;
}
lua_pushinteger( L, state->fonts[ fontId ]->glyphCount );
return 1;
}
/*
> glyphPadding = RL_GetFontGlyphPadding( Font font )
Get font glyphPadding
- Failure return false
- Success return int
*/
int ltextGetFontGlyphPadding( lua_State *L ) {
if ( !lua_isnumber( L, -1 ) ) {
TraceLog( LOG_WARNING, "%s", "Bad call of function. RL_GetFontGlyphPadding( Font font )" );
lua_pushboolean( L, false );
return 1;
}
size_t fontId = lua_tointeger( L, -1 );
if ( !validFont( fontId ) ) {
lua_pushboolean( L, false );
return 1;
}
lua_pushinteger( L, state->fonts[ fontId ]->glyphPadding );
return 1;
}
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