3
int rfbDrawChar(rfbScreenInfoPtr rfbScreen,rfbFontDataPtr font,
4
int x,int y,unsigned char c,rfbPixel col)
7
unsigned char* data=font->data+font->metaData[c*5];
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int rowstride=rfbScreen->paddedWidthInBytes;
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int bpp=rfbScreen->rfbServerFormat.bitsPerPixel/8;
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char *colour=(char*)&col;
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width=font->metaData[c*5+1];
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height=font->metaData[c*5+2];
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x+=font->metaData[c*5+3];
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y+=-font->metaData[c*5+4]-height+1;
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for(j=0;j<height;j++) {
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for(i=0;i<width;i++) {
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memcpy(rfbScreen->frameBuffer+(y+j)*rowstride+(x+i)*bpp,colour,bpp);
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/* if((i&7)!=0) data++; */
36
void rfbDrawString(rfbScreenInfoPtr rfbScreen,rfbFontDataPtr font,
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int x,int y,const char* string,rfbPixel colour)
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x+=rfbDrawChar(rfbScreen,font,x,y,*string,colour);
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/* TODO: these two functions need to be more efficient */
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int rfbDrawCharWithClip(rfbScreenInfoPtr rfbScreen,rfbFontDataPtr font,
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int x,int y,unsigned char c,
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int x1,int y1,int x2,int y2,
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rfbPixel col,rfbPixel bcol)
52
unsigned char* data=font->data+font->metaData[c*5];
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int rowstride=rfbScreen->paddedWidthInBytes;
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int bpp=rfbScreen->rfbServerFormat.bitsPerPixel/8,extra_bytes=0;
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char* colour=(char*)&col;
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char* bcolour=(char*)&bcol;
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width=font->metaData[c*5+1];
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height=font->metaData[c*5+2];
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x+=font->metaData[c*5+3];
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y+=-font->metaData[c*5+4]-height+1;
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/* after clipping, x2 will be count of bytes between rows,
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* x1 start of i, y1 start of j, width and height will be adjusted. */
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if(y1>y) { y1-=y; data+=(width+7)/8; height-=y1; y+=y1; } else y1=0;
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if(x1>x) { x1-=x; data+=x1; width-=x1; x+=x1; extra_bytes+=x1/8; } else x1=0;
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if(y2<y+height) height-=y+height-y2;
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if(x2<x+width) { extra_bytes+=(x1+width)/8-(x+width-x2+7)/8; width-=x+width-x2; }
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for(j=y1;j<height;j++) {
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d=data[-1]; /* TODO: check if in this case extra_bytes is correct! */
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for(i=x1;i<width;i++) {
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/* if(x+i>=x1 && x+i<x2 && y+j>=y1 && y+j<y2) */ {
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memcpy(rfbScreen->frameBuffer+(y+j)*rowstride+(x+i)*bpp,
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} else if(bcol!=col) {
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memcpy(rfbScreen->frameBuffer+(y+j)*rowstride+(x+i)*bpp,
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/* if((i&7)==0) data++; */
102
void rfbDrawStringWithClip(rfbScreenInfoPtr rfbScreen,rfbFontDataPtr font,
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int x,int y,const char* string,
104
int x1,int y1,int x2,int y2,
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rfbPixel colour,rfbPixel backColour)
108
x+=rfbDrawCharWithClip(rfbScreen,font,x,y,*string,x1,y1,x2,y2,
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int rfbWidthOfString(rfbFontDataPtr font,const char* string)
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i+=font->metaData[*string*5+1];
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int rfbWidthOfChar(rfbFontDataPtr font,unsigned char c)
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return(font->metaData[c*5+1]+font->metaData[c*5+3]);
129
void rfbFontBBox(rfbFontDataPtr font,unsigned char c,int* x1,int* y1,int* x2,int* y2)
131
*x1+=font->metaData[c*5+3];
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*y1+=-font->metaData[c*5+4]-font->metaData[c*5+2]+1;
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*x2=*x1+font->metaData[c*5+1];
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*y2=*y1+font->metaData[c*5+2];
138
#define INT_MAX 0x7fffffff
141
void rfbWholeFontBBox(rfbFontDataPtr font,
142
int *x1, int *y1, int *x2, int *y2)
145
int* m=font->metaData;
147
(*x1)=(*y1)=INT_MAX; (*x2)=(*y2)=-INT_MAX+1;
149
if(m[i*5+1]-m[i*5+3]>(*x2))
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(*x2)=m[i*5+1]-m[i*5+3];
151
if(-m[i*5+2]+m[i*5+4]<(*y1))
152
(*y1)=-m[i*5+2]+m[i*5+4];
160
rfbFontDataPtr rfbLoadConsoleFont(char *filename)
162
FILE *f=fopen(filename,"rb");
168
p=(rfbFontDataPtr)malloc(sizeof(rfbFontData));
169
p->data=(unsigned char*)malloc(4096);
170
if(1!=fread(p->data,4096,1,f)) {
176
p->metaData=(int*)malloc(256*5*sizeof(int));
178
p->metaData[i*5+0]=i*16; /* offset */
179
p->metaData[i*5+1]=8; /* width */
180
p->metaData[i*5+2]=16; /* height */
181
p->metaData[i*5+3]=0; /* xhot */
182
p->metaData[i*5+4]=0; /* yhot */
187
void rfbFreeFont(rfbFontDataPtr f)