RGB24Buffer * BMPLoader::loadRGB(string name)
{
uint8_t *data = NULL;
BMPHeader header;
RGB24Buffer *toReturn = NULL;
if (parseBMP(name, &header, &data) != 0)
goto fail;
toReturn = new RGB24Buffer(header.h, header.w);
for (unsigned i = 0; i < header.h; i++)
{
uint8_t *src = &(data[header.lineLength * (header.h - i - 1)]);
RGBColor *dest = &toReturn->element(i,0);
for (unsigned j = 0; j < header.w; j++)
{
uint32_t b = src[0];
uint32_t g = src[1];
uint32_t r = src[2];
*dest = RGBColor(r,g,b);
src+=3;
dest++;
}
}
fail:
if (data)
delete[] data;
return toReturn;
}
/// convert bmp with font to a c-header file:
int bmp2font(const char *bmpFile, const char *varName, const char *dstFile)
{
std::vector<std::vector<char> > fontGrid;
uint32_t biHeight;
//load BMP into a 2D-array:
parseBMP(bmpFile, fontGrid, &biHeight);
if(fontGrid.size() == 0)
return -1;
/* //print debug:
printf("fontGrid = \n");
for(int y=0; y < 16; y++)
{
for(int x=0; x< 79; x++)
printf("%c", zo[fontGrid[y][x] == '1'] );
printf("\n");
}*/
//get font height:
int vStart, vStop;
int extent = getVpos(fontGrid, vStart, vStop);
printf("font '%s' has vertical range of %i .. %i\n", bmpFile, vStart, vStop);
//extract glyphs from bitmap data:
font_s fontOut = parseFont( fontGrid, vStart, vStop );
//debug: print glyphs to screen:
char testString[] = "ab1";
char buffer[80*32];
memset(buffer, 0, sizeof(buffer) );
int dx = 0;
for(int c=0; c < (int)strlen(testString) ; c++)
{
dx += fontOut.render( buffer + dx, 80-dx-1, 80, testString[c]) + 1;
if(dx >= 80)
break;
}
/* printf("\nfontOut '%s' = \n", testString);
char zo[] = " #";
for(int y=0; y < 16; y++)
{
for(int x=0; x< 79; x++)
printf("%c", zo[buffer[y*80 + x]] );
printf("\n");
}*/
//print font into a header file:
FILE *fh = fopen(dstFile, "w");
//print offset table
//int offsets[257];
fprintf(fh,"\nunsigned short %s_offset[] = ", varName);
printCinitializer(fh, fontOut.nrGlyphs + 1, fontOut.offset);
fprintf(fh,";\n" );
//print raw bitmap data
fprintf(fh,"\nchar %s_data[] = ", varName);
printCinitializer(fh, fontOut.offset[fontOut.nrGlyphs] , fontOut.data );
fprintf(fh,";\n" );
//print font structure:
fprintf(fh,"\nfont_s %s = {%i, %i, %s_offset, %s_data };\n", varName, fontOut.nrGlyphs, fontOut.height, varName, varName );
fclose(fh);
return fontOut.nrGlyphs;
}
