Hi, Can anyone help me with this problem ?
I have a feeling that this problem is happening because of some minor mistake. But, I have been unable to rectify it. Thanks a lot. On Thu, Mar 7, 2013 at 2:49 PM, Parth Kanungo <[email protected]>wrote: > Here is the sample code that I used. > Please change the value of inFileName[], when you run the program. > The output is generated in a output.txt file. > I observed it by enabling WORD-WRAP in the Notepad++ and then, zooming out. > > > > /* example1.c */ > /* */ > /* This small program shows how to print a string with the */ > /* FreeType 2 library. */ > > > #include <stdio.h> > #include <stdlib.h> > #include <conio.h> > #include <string.h> > #include <math.h> > > #include "ft2build.h" > #include FT_FREETYPE_H > > > #define WIDTH 640 > #define HEIGHT 480 > > > > /* origin is the upper left corner */ > unsigned char image[HEIGHT][WIDTH]; > > /* Replace this function with something useful. */ > > void > draw_bitmap( FT_Bitmap* bitmap, > FT_Int x, > FT_Int y) > { > FT_Int i, j, p, q; > FT_Int x_max = x + bitmap->width; > FT_Int y_max = y + bitmap->rows; > > int val = 0; > for ( i = x, p = 0; i < x_max; i++, p++ ) > { > for ( j = y, q = 0; j < y_max; j++, q++ ) > { > if ( i < 0 || j < 0 || > i >= WIDTH || j >= HEIGHT ) > continue; > > image[j][i] |= bitmap->buffer[q * bitmap->width + p]; > if(bitmap->buffer[q * bitmap->width + p] > 0) { > val |= bitmap->buffer[q * bitmap->width + p]; > } > } > } > } > > > void > show_image( void ) > { > int i, j; > > FILE *fp1 = fopen("Output.txt", "w"); > for ( i = 0; i < HEIGHT; i++ ) > { > for ( j = 0; j < WIDTH; j++ ) > /* putchar( image[i][j] == 0 ? ' ' > : image[i][j] < 128 ? '+' > : '*' ); > putchar( '\n' ); > */ > { > if(image[i][j] == 0) > fprintf(fp1, "%c", ' '); > else if (image[i][j] < 128) > fprintf(fp1, "%c", '+'); > else > fprintf(fp1, "%c", '*'); > } > fprintf(fp1, "%c", '\n'); > } > fclose(fp1); > } > > > int main( int argc, char** argv ) > { > FT_Library library; > FT_Face face; > > FT_GlyphSlot slot; > FT_Matrix matrix; /* transformation matrix */ > FT_Vector pen; /* untransformed origin */ > FT_Error error; > > char fontName[256]; > char > inFileName[]="D:\\FREETYPE\\freetype-2.4.2\\freetype-2.4.2\\builds\\win32\\vc2005\\arial.ttf"; > char text[] = "Font Experts"; > > double angle; > int target_height; > int n, num_chars; > > > > > num_chars = strlen( (char*)text ); > angle = 0;//( 25.0 / 360 ) * 3.14159 * 2; /* use 25 degrees > */ > target_height = HEIGHT; > > error = FT_Init_FreeType( &library ); /* initialize library */ > if(error) > { > fprintf ( stderr, "FT_Init_FreeType: failed" ); > exit( 1 ); > } > > error = FT_New_Face( library, inFileName, 0, &face );/* create face object > */ > if(error) > { > fprintf ( stderr, "FT_New_Face: failed" ); > exit( 1 ); > } > > /* use 50pt at 100dpi */ > error = FT_Set_Char_Size( face, 50 * 64, 0, > 100, 0 ); /* set character size */ > /* error handling omitted */ > > slot = face->glyph; > > /* set up matrix */ > matrix.xx = (FT_Fixed)( cos( angle ) * 0x10000L ); > matrix.xy = (FT_Fixed)(-sin( angle ) * 0x10000L ); > matrix.yx = (FT_Fixed)( sin( angle ) * 0x10000L ); > matrix.yy = (FT_Fixed)( cos( angle ) * 0x10000L ); > > /* the pen position in 26.6 cartesian space coordinates; */ > /* start at (300,200) relative to the upper left corner */ > pen.x = 300 * 64; > pen.y = ( target_height - 200 ) * 64; > > for ( n = 0; n < num_chars; n++ ) > { > /* set transformation */ > FT_Set_Transform( face, &matrix, &pen ); > > /* load glyph image into the slot (erase previous one) */ > error = FT_Load_Char( face, text[n], FT_LOAD_RENDER ); > if ( error ) > continue; /* ignore errors */ > > /* now, draw to our target surface (convert position) */ > draw_bitmap( &slot->bitmap, > slot->bitmap_left, > target_height - slot->bitmap_top ); > > /* increment pen position */ > pen.x += slot->advance.x; > pen.y += slot->advance.y; > } > > show_image(); > > FT_Done_Face ( face ); > FT_Done_FreeType( library ); > return 0; > } > > /* EOF */ > > > > > > > > > > > > > > > > > > > > > > On Thu, Mar 7, 2013 at 11:10 AM, suzuki toshiya < > [email protected]> wrote: > >> Hi, >> >> Could you post some sample source that you could display a blank screen? >> >> Regards, >> mpsuzuki >> >> Parth Kanungo wrote: >> > Hi all, >> > >> > I used the sample code on the FreeType Documentation Page (PART-1). To >> run >> > the code, when I used the libraries from GTK+ bundle, my output was >> perfect. >> > >> > However, when I created freetype.lib myself from the downloaded source >> code >> > and used it, the output showed a blank screen. >> > >> > To ensure that there was no version mismatch, I checked from the GTK >> > website (http://www.gtk.org/download/win32.php) and found that GTK+ >> bundle >> > currently uses freetype 2.4.2 version. Hence, I used that version of >> > freetype to build the freetype.lib. But, I still face the same issue. >> > >> > Can anyone help me out here ? >> > >> > >> > Thanks a lot. >> > >> > >> > ------------------------------------------------------------------------ >> > >> > _______________________________________________ >> > Freetype mailing list >> > [email protected] >> > https://lists.nongnu.org/mailman/listinfo/freetype >> >> > > > -- > Parth Kanungo > Software Engineer, > Samsung R&D Institute Delhi > Sector-62, Noida > > "Life would be flat without dreams. I think it's really important to dream > – and then to chase those dreams. I really believe in this because it's > this dreaming that makes me work so hard." - Sachin Tendulkar > -- Parth
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