X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=spritext.c;h=212b87214dc1cb9cec7569946892cb8f9690c083;hb=3939158960798ff712d9031def852db4bad09c74;hp=62e1d2f681539976672a8c3103c18bd414801604;hpb=3c2d06be34f800ee5fee855bd2b9bb55f661fc8d;p=spritext diff --git a/spritext.c b/spritext.c index 62e1d2f..212b872 100644 --- a/spritext.c +++ b/spritext.c @@ -24,11 +24,41 @@ static cairo_status_t stdio_write (void *closure, const unsigned char *data, unsigned int length); #endif -double -get_max_width (cairo_t *cr, char *characters); +static double +get_max_width (cairo_t *cr, const char *characters, int num_characters) +{ + int i; + double max_width = 0.; + char string[2]; + string[1] = '\0'; + for (i = 0; i < num_characters; i++) { + cairo_text_extents_t extents; + string[0] = characters[i]; + cairo_text_extents (cr, string, &extents); + if ((extents.width + (extents.x_bearing * 2)) > max_width) + max_width = extents.width + (extents.x_bearing * 2); + } + return max_width; +} -double -get_max_height (cairo_t *cr, char *characters); +static double +get_max_height (cairo_t *cr, const char *characters, int num_characters) +{ + int i; + double max_height = 0.; + char string[2]; + string[1] = '\0'; + for (i = 0; i < num_characters; i++) { + cairo_text_extents_t extents; + string[0] = characters[i]; + cairo_text_extents (cr, string, &extents); +// if ((extents.height - extents.y_bearing) > max_height) +// max_height = extents.height - extents.y_bearing; + if ((extents.height) > max_height) + max_height = extents.height; + } + return max_height; +} typedef struct { char *family; @@ -107,49 +137,11 @@ load_ft_face_for_family (const char *family) return ft_face; } -int -main (void) +static void +get_characters_max_width_height (FT_Face ft_face, double size, + const char *characters, int num_characters, + double *max_width, double *max_height) { - char outputJson = FALSE; - - char characters[] = { - '!', '"', '#', '$', '%', '&','\'', '(', - ')', '*', '+', ',', '-', '.', '/', '0', - '1', '2', '3', '4', '5', '6', '7', '8', - '9', ':', ';', '<', '=', '>', '?', '@', - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', - 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', - 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', - 'Y', 'Z', '[','\\', ']', '^', '_', '`', - 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', - 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', - 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', - 'y', 'z', '{', '|', '}', '~' - }; - - int i; - args_t args; - FT_Face ft_face; - FT_UInt left_index, right_index; - FT_Bool use_kerning; - FT_Vector kerning; - - parse_args (&args); - -#if USE_CGIC - if (outputJson) - { - cgiHeaderContentType("application/json"); - } else { - cgiHeaderContentType("image/png"); - } -#endif - - ft_face = load_ft_face_for_family (args.family); - - use_kerning = FT_HAS_KERNING( ft_face ); - - /* Compute max-width and max-height */ cairo_surface_t *surface; cairo_t *cr; cairo_font_face_t *cr_face; @@ -167,25 +159,28 @@ main (void) cr_face = cairo_ft_font_face_create_for_ft_face (ft_face, 0); cairo_set_font_face (cr, cr_face); - cairo_set_font_size (cr, args.size); + cairo_set_font_size (cr, size); cairo_set_line_width (cr, 1.0); - double max_width = get_max_width(cr, characters); - double max_height = get_max_height(cr, characters); + *max_width = get_max_width(cr, characters, num_characters); + *max_height = get_max_height(cr, characters, num_characters); cairo_font_face_destroy (cr_face); cairo_destroy (cr); cairo_surface_destroy(surface); +} - /* Draw */ - surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, - (max_width + 8) * 10, - (max_height + 8) * 10); - - cr = cairo_create (surface); +static void +draw_character_table (cairo_t *cr, + FT_Face ft_face, double size, + const char *characters, int num_characters, + double character_width, double character_height) +{ + cairo_font_face_t *cr_face; + int i; /* cairo_select_font_face (cr, fontname, @@ -195,71 +190,37 @@ main (void) cr_face = cairo_ft_font_face_create_for_ft_face (ft_face, 0); cairo_set_font_face (cr, cr_face); - cairo_set_font_size (cr, args.size); + cairo_set_font_size (cr, size); cairo_text_extents_t extents; double x = 0.0; double y = 0.0; - if (outputJson) - printf("{"); - - cairo_translate (cr, 0, -(max_height / 2.50)); + cairo_translate (cr, 0, -(character_height / 2.50)); // cairo_translate (cr, 0, -5.0); char string[2]; string[1] = '\0'; - for (i = 0; i < ARRAY_SIZE(characters); i++) + for (i = 0; i < num_characters; i++) { if (i % 10 == 0) { x = 0.; - y += max_height + 8; + y += character_height + 8; } string[0] = characters[i]; cairo_text_extents (cr, string, &extents); - if (outputJson) - { - if (i > 0) - printf (",\n"); - printf ("u%i:{", characters[i]); - printf ("x:%.1f,y:%.1f,w:%.1f,h:%.1f", - x, - y - (max_height * 1.15), - extents.width + extents.x_bearing, - extents.height); - int j; - for ( j = 0; j < ARRAY_SIZE(characters); j++ ) - { - right_index = FT_Get_Char_Index( ft_face, characters[i] ); - left_index = FT_Get_Char_Index( ft_face, characters[j] ); - - FT_Get_Kerning( ft_face, left_index, right_index, - FT_KERNING_UNSCALED, &kerning ); - - if ( kerning.x ) - printf(",k%d:%ld", characters[j], kerning.x); - } - - printf ("}"); - } - x -= extents.x_bearing; cairo_move_to (cr, x, y); - cairo_set_source_rgb (cr, 0., 0., 0.); // black - cairo_set_source_rgb (cr, - args.color.red, - args.color.green, - args.color.blue); cairo_text_path (cr, string); cairo_fill (cr); x += extents.x_bearing; - x += max_width + 8; + x += character_width + 8; } /* @@ -327,6 +288,64 @@ cairo_mask (cr, gradient); cairo_pattern_destroy (gradient); */ +} + +int +main (void) +{ + char characters[] = { + '!', '"', '#', '$', '%', '&','\'', '(', + ')', '*', '+', ',', '-', '.', '/', '0', + '1', '2', '3', '4', '5', '6', '7', '8', + '9', ':', ';', '<', '=', '>', '?', '@', + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', + 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', + 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', + 'Y', 'Z', '[','\\', ']', '^', '_', '`', + 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', + 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', + 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', + 'y', 'z', '{', '|', '}', '~' + }; + + args_t args; + FT_Face ft_face; + double max_width, max_height; + cairo_surface_t *surface; + cairo_t *cr; + + parse_args (&args); + +#if USE_CGIC + if (outputJson) + { + cgiHeaderContentType("application/json"); + } else { + cgiHeaderContentType("image/png"); + } +#endif + + ft_face = load_ft_face_for_family (args.family); + + get_characters_max_width_height (ft_face, args.size, + characters, ARRAY_SIZE (characters), + &max_width, &max_height); + + /* Draw */ + surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + (max_width + 8) * 10, + (max_height + 8) * 10); + + cr = cairo_create (surface); + + cairo_set_source_rgb (cr, + args.color.red, + args.color.green, + args.color.blue); + + draw_character_table (cr, ft_face, args.size, + characters, ARRAY_SIZE (characters), + max_width, max_height); #if USE_CGIC if (outputJson) @@ -358,40 +377,3 @@ stdio_write (void *closure, const unsigned char *data, unsigned int length) return CAIRO_STATUS_WRITE_ERROR; } #endif - -double -get_max_width(cairo_t *cr, char *characters) -{ - int i; - double max_width = 0.; - char string[2]; - string[1] = '\0'; - for (i = 0; i < ARRAY_SIZE(characters); i++) { - cairo_text_extents_t extents; - string[0] = characters[i]; - cairo_text_extents (cr, string, &extents); - if ((extents.width + (extents.x_bearing * 2)) > max_width) - max_width = extents.width + (extents.x_bearing * 2); - } - return max_width; -} - -double -get_max_height(cairo_t *cr, char *characters) -{ - int i; - double max_height = 0.; - char string[2]; - string[1] = '\0'; - for (i = 0; i < ARRAY_SIZE(characters); i++) { - cairo_text_extents_t extents; - string[0] = characters[i]; - cairo_text_extents (cr, string, &extents); -// if ((extents.height - extents.y_bearing) > max_height) -// max_height = extents.height - extents.y_bearing; - if ((extents.height) > max_height) - max_height = extents.height; - } - return max_height; -} -