Michael Fabian 'Xaymar' Dirks
72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
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#include "std.hpp"
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#include "gxfont.hpp"
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#include "gxcanvas.hpp"
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#include "gxgraphics.hpp"
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gxFont::gxFont( gxGraphics *g,gxCanvas *c,int w,int h,int b,int e,int d,int *os,int *ws ):
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graphics(g),canvas(c),
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width(w),height(h),begin_char(b),end_char(e),def_char(d),
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offs(os),widths(ws){
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canvas->setMask( 0xffffff );
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t_canvas=graphics->createCanvas( graphics->getWidth(),height,0 );
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}
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gxFont::~gxFont(){
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delete[] offs;
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delete[] widths;
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graphics->freeCanvas( t_canvas );
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graphics->freeCanvas( canvas );
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}
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int gxFont::charWidth( int c )const{
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if( c<begin_char || c>=end_char ) c=def_char;
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return widths[c-begin_char];
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}
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void gxFont::render( gxCanvas *dest,unsigned color_argb,int x,int y,const string &t ){
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int width=getWidth( t );
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if( width>t_canvas->getWidth() ){
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graphics->freeCanvas( t_canvas );
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t_canvas=graphics->createCanvas( width,height,0 );
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}
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t_canvas->setColor( color_argb );
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if( !(t_canvas->getColor()&0xffffff) ) t_canvas->setColor( 0x10 );
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t_canvas->rect( 0,0,width,height,true );
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int t_x=0;
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for( int k=0;k<t.size();++k ){
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int c=t[k]&0xff;
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if( c<begin_char || c>=end_char ) c=def_char;
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c-=begin_char;
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int sx=(offs[c]>>16)&0xffff,sy=offs[c]&0xffff;
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t_canvas->blit( t_x,0,canvas,sx,sy,widths[c],height,false );
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t_x+=widths[c];
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}
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dest->blit( x,y,t_canvas,0,0,width,height,false );
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}
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int gxFont::getWidth()const{
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return width;
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}
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int gxFont::getHeight()const{
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return height;
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}
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int gxFont::getWidth( const string &t )const{
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int w=0;
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for( int k=0;k<t.size();++k ){
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int c=t[k]&0xff;
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if( c<begin_char || c>=end_char ) c=def_char;
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w+=widths[c-begin_char];
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}
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return w;
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}
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bool gxFont::isPrintable( int chr )const{
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return chr>=begin_char && chr<end_char;
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}
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