108 lines
1.9 KiB
C++
Executable File
108 lines
1.9 KiB
C++
Executable File
#include "precompiled.h"
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#include "NPFont.h"
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#include "Renderer.h"
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NPFont::NPFont()
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{
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}
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NPFont::~NPFont()
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{
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}
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NPFont* NPFont::create(const char* name)
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{
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// try and open up the file
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FILE* fp=fopen(name,"rb");
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if (!fp) return 0;
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// create a new font
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NPFont* font=new NPFont;
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// read text metrics
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if (fread(&font->_metrics,sizeof(font->_metrics),1,fp)!=1) {
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fclose(fp);
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delete font;
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return 0;
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}
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// read characters
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if (fread(font->_chars,sizeof(CharData)*128,1,fp)!=1) {
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fclose(fp);
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delete font;
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return 0;
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}
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// read number of rows, cols of characters
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if (fread(&font->_numRows,sizeof(font->_numRows),1,fp)!=1) {
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fclose(fp);
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delete font;
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return 0;
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}
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if (fread(&font->_numCols,sizeof(font->_numCols),1,fp)!=1) {
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fclose(fp);
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delete font;
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return 0;
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}
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// read texture dimensions
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if (fread(&font->_texwidth,sizeof(font->_texwidth),1,fp)!=1) {
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fclose(fp);
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delete font;
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return 0;
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}
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if (fread(&font->_texheight,sizeof(font->_texheight),1,fp)!=1) {
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fclose(fp);
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delete font;
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return 0;
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}
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// read texture name
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unsigned int namelen;
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if (fread(&namelen,sizeof(unsigned int),1,fp)!=1) {
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fclose(fp);
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delete font;
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return 0;
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}
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CStr texname("fonts/");
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for (uint i=0;i<namelen;i++) {
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char c;
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if (fread(&c,sizeof(char),1,fp)!=1) {
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fclose(fp);
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delete font;
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return 0;
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}
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texname+=c;
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}
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font->_texture.SetName((const char*) texname);
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// store font name
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font->_name=name;
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g_Renderer.LoadTexture(&font->_texture,0);
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// return created font
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return font;
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}
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// GetOutputStringSize: return the rendered size of given font
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void NPFont::GetOutputStringSize(const char* str,int& sx,int& sy)
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{
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sx=0;
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sy=_metrics._height;
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int i=0;
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while (str && str[i]!='\0') {
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const NPFont::CharData& cdata=chardata(str[i]);
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const int* cw=&cdata._widthA;
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if (cw[0]>0) sx+=cw[0];
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sx+=cw[1]+1;
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if (cw[2]>0) sx+=cw[2];
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i++;
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}
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}
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