diff options
Diffstat (limited to 'krfb/libvncserver/font.c')
| -rw-r--r-- | krfb/libvncserver/font.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/krfb/libvncserver/font.c b/krfb/libvncserver/font.c deleted file mode 100644 index b9d68d0f..00000000 --- a/krfb/libvncserver/font.c +++ /dev/null @@ -1,192 +0,0 @@ -#include "rfb.h" - -int rfbDrawChar(rfbScreenInfoPtr rfbScreen,rfbFontDataPtr font, - int x,int y,unsigned char c,Pixel col) -{ - int i,j,width,height; - unsigned char* data=font->data+font->metaData[c*5]; - unsigned char d=*data; - int rowstride=rfbScreen->paddedWidthInBytes; - int bpp=rfbScreen->rfbServerFormat.bitsPerPixel/8; - char *colour=(char*)&col; - - if(!rfbEndianTest) - colour += 4-bpp; - - width=font->metaData[c*5+1]; - height=font->metaData[c*5+2]; - x+=font->metaData[c*5+3]; - y+=-font->metaData[c*5+4]-height+1; - - for(j=0;j<height;j++) { - for(i=0;i<width;i++) { - if((i&7)==0) { - d=*data; - data++; - } - if(d&0x80) - memcpy(rfbScreen->frameBuffer+(y+j)*rowstride+(x+i)*bpp,colour,bpp); - d<<=1; - } - /* if((i&7)!=0) data++; */ - } - return(width); -} - -void rfbDrawString(rfbScreenInfoPtr rfbScreen,rfbFontDataPtr font, - int x,int y,const char* string,Pixel colour) -{ - while(*string) { - x+=rfbDrawChar(rfbScreen,font,x,y,*string,colour); - string++; - } -} - -/* TODO: these two functions need to be more efficient */ -int rfbDrawCharWithClip(rfbScreenInfoPtr rfbScreen,rfbFontDataPtr font, - int x,int y,unsigned char c, - int x1,int y1,int x2,int y2, - Pixel col,Pixel bcol) -{ - int i,j,width,height; - unsigned char* data=font->data+font->metaData[c*5]; - unsigned char d; - int rowstride=rfbScreen->paddedWidthInBytes; - int bpp=rfbScreen->rfbServerFormat.bitsPerPixel/8,extra_bytes=0; - char* colour=(char*)&col; - char* bcolour=(char*)&bcol; - - if(!rfbEndianTest) { - colour+=4-bpp; - bcolour+=4-bpp; - } - - width=font->metaData[c*5+1]; - height=font->metaData[c*5+2]; - x+=font->metaData[c*5+3]; - y+=-font->metaData[c*5+4]-height+1; - - /* after clipping, x2 will be count of bytes between rows, - * x1 start of i, y1 start of j, width and height will be adjusted. */ - if(y1>y) { y1-=y; data+=(width+7)/8; height-=y1; y+=y1; } else y1=0; - if(x1>x) { x1-=x; data+=x1; width-=x1; x+=x1; extra_bytes+=x1/8; } else x1=0; - if(y2<y+height) height-=y+height-y2; - if(x2<x+width) { extra_bytes+=(x1+width)/8-(x+width-x2+7)/8; width-=x+width-x2; } - - d=*data; - for(j=y1;j<height;j++) { - if((x1&7)!=0) - d=data[-1]; /* TODO: check if in this case extra_bytes is correct! */ - for(i=x1;i<width;i++) { - if((i&7)==0) { - d=*data; - data++; - } - /* if(x+i>=x1 && x+i<x2 && y+j>=y1 && y+j<y2) */ { - if(d&0x80) { - memcpy(rfbScreen->frameBuffer+(y+j)*rowstride+(x+i)*bpp, - colour,bpp); - } else if(bcol!=col) { - memcpy(rfbScreen->frameBuffer+(y+j)*rowstride+(x+i)*bpp, - bcolour,bpp); - } - } - d<<=1; - } - /* if((i&7)==0) data++; */ - data += extra_bytes; - } - return(width); -} - -void rfbDrawStringWithClip(rfbScreenInfoPtr rfbScreen,rfbFontDataPtr font, - int x,int y,const char* string, - int x1,int y1,int x2,int y2, - Pixel colour,Pixel backColour) -{ - while(*string) { - x+=rfbDrawCharWithClip(rfbScreen,font,x,y,*string,x1,y1,x2,y2, - colour,backColour); - string++; - } -} - -int rfbWidthOfString(rfbFontDataPtr font,const char* string) -{ - int i=0; - while(*string) { - i+=font->metaData[*string*5+1]; - string++; - } - return(i); -} - -int rfbWidthOfChar(rfbFontDataPtr font,unsigned char c) -{ - return(font->metaData[c*5+1]+font->metaData[c*5+3]); -} - -void rfbFontBBox(rfbFontDataPtr font,unsigned char c,int* x1,int* y1,int* x2,int* y2) -{ - *x1+=font->metaData[c*5+3]; - *y1+=-font->metaData[c*5+4]-font->metaData[c*5+2]+1; - *x2=*x1+font->metaData[c*5+1]; - *y2=*y1+font->metaData[c*5+2]; -} - -#ifndef INT_MAX -#define INT_MAX 0x7fffffff -#endif - -void rfbWholeFontBBox(rfbFontDataPtr font, - int *x1, int *y1, int *x2, int *y2) -{ - int i; - int* m=font->metaData; - - (*x1)=(*y1)=INT_MAX; (*x2)=(*y2)=-INT_MAX+1; - for(i=0;i<256;i++) { - if(m[i*5+1]-m[i*5+3]>(*x2)) - (*x2)=m[i*5+1]-m[i*5+3]; - if(-m[i*5+2]+m[i*5+4]<(*y1)) - (*y1)=-m[i*5+2]+m[i*5+4]; - if(m[i*5+3]<(*x1)) - (*x1)=m[i*5+3]; - if(-m[i*5+4]>(*y2)) - (*y2)=-m[i*5+4]; - } -} - -rfbFontDataPtr rfbLoadConsoleFont(char *filename) -{ - FILE *f=fopen(filename,"rb"); - rfbFontDataPtr p; - int i; - - if(!f) return(0); - - p=(rfbFontDataPtr)malloc(sizeof(rfbFontData)); - p->data=(unsigned char*)malloc(4096); - if(1!=fread(p->data,4096,1,f)) { - free(p->data); - free(p); - return(0); - } - fclose(f); - p->metaData=(int*)malloc(256*5*sizeof(int)); - for(i=0;i<256;i++) { - p->metaData[i*5+0]=i*16; /* offset */ - p->metaData[i*5+1]=8; /* width */ - p->metaData[i*5+2]=16; /* height */ - p->metaData[i*5+3]=0; /* xhot */ - p->metaData[i*5+4]=0; /* yhot */ - } - return(p); -} - -void rfbFreeFont(rfbFontDataPtr f) -{ - free(f->data); - free(f->metaData); - free(f); -} |