-#include "image.h"
+#include "imager.h"
+#include "imrender.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
+#ifdef HAVE_LIBT1
+#endif
+
+
/*
=head1 NAME
*/
-/*
-=item i_init_fonts()
-
-Initialize font rendering libraries if they are avaliable.
-
-=cut
-*/
-
-undef_int
-i_init_fonts(int t1log) {
- mm_log((1,"Initializing fonts\n"));
-
-#ifdef HAVE_LIBT1
- i_init_t1(t1log);
-#endif
-
-#ifdef HAVE_LIBTT
- i_init_tt();
-#endif
-
-#ifdef HAVE_FT2
- if (!i_ft2_init())
- return 0;
-#endif
-
- return(1); /* FIXME: Always true - check the return values of the init_t1 and init_tt functions */
-}
-
-
-
-
-#ifdef HAVE_LIBT1
-
-static int t1_get_flags(char const *flags);
-static char *t1_from_utf8(char const *in, int len, int *outlen);
-
-static void t1_push_error(void);
-
-/*
-=item i_init_t1(t1log)
-
-Initializes the t1lib font rendering engine.
-
-=cut
-*/
-
-undef_int
-i_init_t1(int t1log) {
- int init_flags = IGNORE_CONFIGFILE|IGNORE_FONTDATABASE;
- mm_log((1,"init_t1()\n"));
-
- if (t1log)
- init_flags |= LOGFILE;
- if ((T1_InitLib(init_flags) == NULL)){
- mm_log((1,"Initialization of t1lib failed\n"));
- return(1);
- }
- T1_SetLogLevel(T1LOG_DEBUG);
- i_t1_set_aa(1); /* Default Antialias value */
- return(0);
-}
-
-
-/*
-=item i_close_t1()
-
-Shuts the t1lib font rendering engine down.
-
- This it seems that this function is never used.
-
-=cut
-*/
-
-void
-i_close_t1(void) {
- T1_CloseLib();
-}
-
-
-/*
-=item i_t1_new(pfb, afm)
-
-Loads the fonts with the given filenames, returns its font id
-
- pfb - path to pfb file for font
- afm - path to afm file for font
-
-=cut
-*/
-
-int
-i_t1_new(char *pfb,char *afm) {
- int font_id;
-
- mm_log((1,"i_t1_new(pfb %s,afm %s)\n",pfb,(afm?afm:"NULL")));
- font_id = T1_AddFont(pfb);
- if (font_id<0) {
- mm_log((1,"i_t1_new: Failed to load pfb file '%s' - return code %d.\n",pfb,font_id));
- return font_id;
- }
-
- if (afm != NULL) {
- mm_log((1,"i_t1_new: requesting afm file '%s'.\n",afm));
- if (T1_SetAfmFileName(font_id,afm)<0) mm_log((1,"i_t1_new: afm loading of '%s' failed.\n",afm));
- }
-
- return font_id;
-}
-
-/*
-=item i_t1_destroy(font_id)
-
-Frees resources for a t1 font with given font id.
-
- font_id - number of the font to free
-
-=cut
-*/
-
-int
-i_t1_destroy(int font_id) {
- mm_log((1,"i_t1_destroy(font_id %d)\n",font_id));
- return T1_DeleteFont(font_id);
-}
-
-
-/*
-=item i_t1_set_aa(st)
-
-Sets the antialiasing level of the t1 library.
-
- st - 0 = NONE, 1 = LOW, 2 = HIGH.
-
-=cut
-*/
-
-void
-i_t1_set_aa(int st) {
- int i;
- unsigned long cst[17];
- switch(st) {
- case 0:
- T1_AASetBitsPerPixel( 8 );
- T1_AASetLevel( T1_AA_NONE );
- T1_AANSetGrayValues( 0, 255 );
- mm_log((1,"setting T1 antialias to none\n"));
- break;
- case 1:
- T1_AASetBitsPerPixel( 8 );
- T1_AASetLevel( T1_AA_LOW );
- T1_AASetGrayValues( 0,65,127,191,255 );
- mm_log((1,"setting T1 antialias to low\n"));
- break;
- case 2:
- T1_AASetBitsPerPixel(8);
- T1_AASetLevel(T1_AA_HIGH);
- for(i=0;i<17;i++) cst[i]=(i*255)/16;
- T1_AAHSetGrayValues( cst );
- mm_log((1,"setting T1 antialias to high\n"));
- }
-}
-
-
-/*
-=item i_t1_cp(im, xb, yb, channel, fontnum, points, str, len, align)
-
-Interface to text rendering into a single channel in an image
-
- im pointer to image structure
- xb x coordinate of start of string
- yb y coordinate of start of string ( see align )
- channel - destination channel
- fontnum - t1 library font id
- points - number of points in fontheight
- str - string to render
- len - string length
- align - (0 - top of font glyph | 1 - baseline )
-
-=cut
-*/
-
-undef_int
-i_t1_cp(i_img *im,int xb,int yb,int channel,int fontnum,float points,char* str,int len,int align, int utf8, char const *flags) {
- GLYPH *glyph;
- int xsize,ysize,x,y;
- i_color val;
- int mod_flags = t1_get_flags(flags);
-
- unsigned int ch_mask_store;
-
- if (im == NULL) { mm_log((1,"i_t1_cp: Null image in input\n")); return(0); }
-
- if (utf8) {
- int worklen;
- char *work = t1_from_utf8(str, len, &worklen);
- glyph=T1_AASetString( fontnum, work, worklen, 0, mod_flags, points, NULL);
- myfree(work);
- }
- else {
- glyph=T1_AASetString( fontnum, str, len, 0, mod_flags, points, NULL);
- }
- if (glyph == NULL)
- return 0;
-
- mm_log((1,"metrics: ascent: %d descent: %d\n",glyph->metrics.ascent,glyph->metrics.descent));
- mm_log((1," leftSideBearing: %d rightSideBearing: %d\n",glyph->metrics.leftSideBearing,glyph->metrics.rightSideBearing));
- mm_log((1," advanceX: %d advanceY: %d\n",glyph->metrics.advanceX,glyph->metrics.advanceY));
- mm_log((1,"bpp: %d\n",glyph->bpp));
-
- xsize=glyph->metrics.rightSideBearing-glyph->metrics.leftSideBearing;
- ysize=glyph->metrics.ascent-glyph->metrics.descent;
-
- mm_log((1,"width: %d height: %d\n",xsize,ysize));
-
- ch_mask_store=im->ch_mask;
- im->ch_mask=1<<channel;
-
- if (align==1) { xb+=glyph->metrics.leftSideBearing; yb-=glyph->metrics.ascent; }
-
- for(y=0;y<ysize;y++) for(x=0;x<xsize;x++) {
- val.channel[channel]=glyph->bits[y*xsize+x];
- i_ppix(im,x+xb,y+yb,&val);
- }
-
- im->ch_mask=ch_mask_store;
- return 1;
-}
-
-
-/*
-=item i_t1_bbox(handle, fontnum, points, str, len, cords)
-
-function to get a strings bounding box given the font id and sizes
-
- handle - pointer to font handle
- fontnum - t1 library font id
- points - number of points in fontheight
- str - string to measure
- len - string length
- cords - the bounding box (modified in place)
-
-=cut
-*/
-
-int
-i_t1_bbox(int fontnum,float points,char *str,int len,int cords[6], int utf8,char const *flags) {
- BBox bbox;
- BBox gbbox;
- int mod_flags = t1_get_flags(flags);
- int advance;
-
- mm_log((1,"i_t1_bbox(fontnum %d,points %.2f,str '%.*s', len %d)\n",fontnum,points,len,str,len));
- T1_LoadFont(fontnum); /* FIXME: Here a return code is ignored - haw haw haw */
- if (utf8) {
- int worklen;
- char *work = t1_from_utf8(str, len, &worklen);
- bbox = T1_GetStringBBox(fontnum,work,worklen,0,mod_flags);
- myfree(work);
- }
- else {
- bbox = T1_GetStringBBox(fontnum,str,len,0,mod_flags);
- }
- gbbox = T1_GetFontBBox(fontnum);
- advance = T1_GetStringWidth(fontnum, str, len, 0, mod_flags);
-
- mm_log((1,"bbox: (%d,%d,%d,%d)\n",
- (int)(bbox.llx*points/1000),
- (int)(gbbox.lly*points/1000),
- (int)(bbox.urx*points/1000),
- (int)(gbbox.ury*points/1000),
- (int)(bbox.lly*points/1000),
- (int)(bbox.ury*points/1000) ));
-
-
- cords[BBOX_NEG_WIDTH]=((float)bbox.llx*points)/1000;
- cords[BBOX_POS_WIDTH]=((float)bbox.urx*points)/1000;
-
- cords[BBOX_GLOBAL_DESCENT]=((float)gbbox.lly*points)/1000;
- cords[BBOX_GLOBAL_ASCENT]=((float)gbbox.ury*points)/1000;
-
- cords[BBOX_DESCENT]=((float)bbox.lly*points)/1000;
- cords[BBOX_ASCENT]=((float)bbox.ury*points)/1000;
-
- cords[BBOX_ADVANCE_WIDTH] = ((float)advance * points)/1000;
-
- return BBOX_ADVANCE_WIDTH+1;
-}
-
-
-/*
-=item i_t1_text(im, xb, yb, cl, fontnum, points, str, len, align)
-
-Interface to text rendering in a single color onto an image
-
- im - pointer to image structure
- xb - x coordinate of start of string
- yb - y coordinate of start of string ( see align )
- cl - color to draw the text in
- fontnum - t1 library font id
- points - number of points in fontheight
- str - char pointer to string to render
- len - string length
- align - (0 - top of font glyph | 1 - baseline )
-
-=cut
-*/
-
-undef_int
-i_t1_text(i_img *im,int xb,int yb,i_color *cl,int fontnum,float points,char* str,int len,int align, int utf8, char const *flags) {
- GLYPH *glyph;
- int xsize,ysize,x,y,ch;
- i_color val;
- unsigned char c,i;
- int mod_flags = t1_get_flags(flags);
-
- if (im == NULL) { mm_log((1,"i_t1_cp: Null image in input\n")); return(0); }
-
- if (utf8) {
- int worklen;
- char *work = t1_from_utf8(str, len, &worklen);
- glyph=T1_AASetString( fontnum, work, worklen, 0, mod_flags, points, NULL);
- myfree(work);
- }
- else {
- glyph=T1_AASetString( fontnum, str, len, 0, mod_flags, points, NULL);
- }
- if (glyph == NULL)
- return 0;
-
- mm_log((1,"metrics: ascent: %d descent: %d\n",glyph->metrics.ascent,glyph->metrics.descent));
- mm_log((1," leftSideBearing: %d rightSideBearing: %d\n",glyph->metrics.leftSideBearing,glyph->metrics.rightSideBearing));
- mm_log((1," advanceX: %d advanceY: %d\n",glyph->metrics.advanceX,glyph->metrics.advanceY));
- mm_log((1,"bpp: %d\n",glyph->bpp));
-
- xsize=glyph->metrics.rightSideBearing-glyph->metrics.leftSideBearing;
- ysize=glyph->metrics.ascent-glyph->metrics.descent;
-
- mm_log((1,"width: %d height: %d\n",xsize,ysize));
-
- if (align==1) { xb+=glyph->metrics.leftSideBearing; yb-=glyph->metrics.ascent; }
-
- for(y=0;y<ysize;y++) for(x=0;x<xsize;x++) {
- c=glyph->bits[y*xsize+x];
- i=255-c;
- i_gpix(im,x+xb,y+yb,&val);
- for(ch=0;ch<im->channels;ch++) val.channel[ch]=(c*cl->channel[ch]+i*val.channel[ch])/255;
- i_ppix(im,x+xb,y+yb,&val);
- }
- return 1;
-}
-
-/*
-=item t1_get_flags(flags)
-
-Processes the characters in I<flags> to create a mod_flags value used
-by some T1Lib functions.
-
-=cut
- */
-static int
-t1_get_flags(char const *flags) {
- int mod_flags = T1_KERNING;
-
- while (*flags) {
- switch (*flags++) {
- case 'u': case 'U': mod_flags |= T1_UNDERLINE; break;
- case 'o': case 'O': mod_flags |= T1_OVERLINE; break;
- case 's': case 'S': mod_flags |= T1_OVERSTRIKE; break;
- /* ignore anything we don't recognize */
- }
- }
-
- return mod_flags;
-}
-
-/*
-=item t1_from_utf8(char const *in, int len, int *outlen)
-
-Produces an unencoded version of I<in> by dropping any Unicode
-character over 255.
-
-Returns a newly allocated buffer which should be freed with myfree().
-Sets *outlen to the number of bytes used in the output string.
-
-=cut
-*/
-
-static char *
-t1_from_utf8(char const *in, int len, int *outlen) {
- char *out = mymalloc(len+1);
- char *p = out;
- unsigned long c;
-
- while (len) {
- c = i_utf8_advance(&in, &len);
- if (c == ~0UL) {
- myfree(out);
- i_push_error(0, "invalid UTF8 character");
- return 0;
- }
- /* yeah, just drop them */
- if (c < 0x100) {
- *p++ = (char)c;
- }
- }
- *p = '\0';
- *outlen = p - out;
-
- return out;
-}
-
-/*
-=item i_t1_has_chars(font_num, text, len, utf8, out)
-
-Check if the given characters are defined by the font. Note that len
-is the number of bytes, not the number of characters (when utf8 is
-non-zero).
-
-out[char index] will be true if the character exists.
-
-Accepts UTF-8, but since T1 can only have 256 characters, any chars
-with values over 255 will simply be returned as false.
-
-Returns the number of characters that were checked.
-
-=cut
-*/
-
-int
-i_t1_has_chars(int font_num, const char *text, int len, int utf8,
- char *out) {
- int count = 0;
-
- mm_log((1, "i_t1_has_chars(font_num %d, text %p, len %d, utf8 %d)\n",
- font_num, text, len, utf8));
-
- i_clear_error();
- if (T1_LoadFont(font_num)) {
- t1_push_error();
- return 0;
- }
-
- while (len) {
- unsigned long c;
- int index;
- if (utf8) {
- c = i_utf8_advance(&text, &len);
- if (c == ~0UL) {
- i_push_error(0, "invalid UTF8 character");
- return 0;
- }
- }
- else {
- c = (unsigned char)*text++;
- --len;
- }
-
- if (c >= 0x100) {
- /* limit of 256 characters for T1 */
- *out++ = 0;
- }
- else {
- char const * name = T1_GetCharName(font_num, (unsigned char)c);
-
- if (name) {
- *out++ = strcmp(name, ".notdef") != 0;
- }
- else {
- mm_log((2, " No name found for character %lx\n", c));
- *out++ = 0;
- }
- }
- ++count;
- }
-
- return count;
-}
-
-/*
-=item i_t1_face_name(font_num, name_buf, name_buf_size)
-
-Copies the face name of the given C<font_num> to C<name_buf>. Returns
-the number of characters required to store the name (which can be
-larger than C<name_buf_size>, including the space required to store
-the terminating NUL).
-
-If name_buf is too small (as specified by name_buf_size) then the name
-will be truncated. name_buf will always be NUL termintaed.
-
-=cut
-*/
-
-int
-i_t1_face_name(int font_num, char *name_buf, size_t name_buf_size) {
- char *name;
-
- T1_errno = 0;
- if (T1_LoadFont(font_num)) {
- t1_push_error();
- return 0;
- }
- name = T1_GetFontName(font_num);
-
- if (name) {
- strncpy(name_buf, name, name_buf_size);
- name_buf[name_buf_size-1] = '\0';
- return strlen(name) + 1;
- }
- else {
- t1_push_error();
- return 0;
- }
-}
-
-int
-i_t1_glyph_name(int font_num, unsigned long ch, char *name_buf,
- size_t name_buf_size) {
- char *name;
-
- i_clear_error();
- if (ch > 0xFF) {
- return 0;
- }
- if (T1_LoadFont(font_num)) {
- t1_push_error();
- return 0;
- }
- name = T1_GetCharName(font_num, (unsigned char)ch);
- if (name) {
- if (strcmp(name, ".notdef")) {
- strncpy(name_buf, name, name_buf_size);
- name_buf[name_buf_size-1] = '\0';
- return strlen(name) + 1;
- }
- else {
- return 0;
- }
- }
- else {
- t1_push_error();
- return 0;
- }
-}
-
-static void
-t1_push_error(void) {
- switch (T1_errno) {
- case 0:
- i_push_error(0, "No error");
- break;
-
- case T1ERR_SCAN_FONT_FORMAT:
- i_push_error(T1ERR_SCAN_FONT_FORMAT, "SCAN_FONT_FORMAT");
- break;
-
- case T1ERR_SCAN_FILE_OPEN_ERR:
- i_push_error(T1ERR_SCAN_FILE_OPEN_ERR, "SCAN_FILE_OPEN_ERR");
- break;
-
- case T1ERR_SCAN_OUT_OF_MEMORY:
- i_push_error(T1ERR_SCAN_OUT_OF_MEMORY, "SCAN_OUT_OF_MEMORY");
- break;
-
- case T1ERR_SCAN_ERROR:
- i_push_error(T1ERR_SCAN_ERROR, "SCAN_ERROR");
- break;
-
- case T1ERR_SCAN_FILE_EOF:
- i_push_error(T1ERR_SCAN_FILE_EOF, "SCAN_FILE_EOF");
- break;
-
- case T1ERR_PATH_ERROR:
- i_push_error(T1ERR_PATH_ERROR, "PATH_ERROR");
- break;
-
- case T1ERR_PARSE_ERROR:
- i_push_error(T1ERR_PARSE_ERROR, "PARSE_ERROR");
- break;
-
- case T1ERR_TYPE1_ABORT:
- i_push_error(T1ERR_TYPE1_ABORT, "TYPE1_ABORT");
- break;
-
- case T1ERR_INVALID_FONTID:
- i_push_error(T1ERR_INVALID_FONTID, "INVALID_FONTID");
- break;
-
- case T1ERR_INVALID_PARAMETER:
- i_push_error(T1ERR_INVALID_PARAMETER, "INVALID_PARAMETER");
- break;
-
- case T1ERR_OP_NOT_PERMITTED:
- i_push_error(T1ERR_OP_NOT_PERMITTED, "OP_NOT_PERMITTED");
- break;
-
- case T1ERR_ALLOC_MEM:
- i_push_error(T1ERR_ALLOC_MEM, "ALLOC_MEM");
- break;
-
- case T1ERR_FILE_OPEN_ERR:
- i_push_error(T1ERR_FILE_OPEN_ERR, "FILE_OPEN_ERR");
- break;
-
- case T1ERR_UNSPECIFIED:
- i_push_error(T1ERR_UNSPECIFIED, "UNSPECIFIED");
- break;
-
- case T1ERR_NO_AFM_DATA:
- i_push_error(T1ERR_NO_AFM_DATA, "NO_AFM_DATA");
- break;
-
- case T1ERR_X11:
- i_push_error(T1ERR_X11, "X11");
- break;
-
- case T1ERR_COMPOSITE_CHAR:
- i_push_error(T1ERR_COMPOSITE_CHAR, "COMPOSITE_CHAR");
- break;
-
- default:
- i_push_errorf(T1_errno, "unknown error %d", (int)T1_errno);
- }
-}
-
-#endif /* HAVE_LIBT1 */
-
/* Truetype font support */
#ifdef HAVE_LIBTT
-/* This is enabled by default when configuring Freetype 1.x
+/* These are enabled by default when configuring Freetype 1.x
I haven't a clue how to reliably detect it at compile time.
We need a compilation probe in Makefile.PL
*/
#define FTXPOST 1
+#define FTXERR18 1
#include <freetype.h>
#define TT_CHC 5
#include <ftxpost.h>
#endif
+#ifdef FTXERR18
+#include <ftxerr18.h>
+#endif
+
+/* some versions of FT1.x don't seem to define this - it's font defined
+ so it won't change */
+#ifndef TT_MS_LANGID_ENGLISH_GENERAL
+#define TT_MS_LANGID_ENGLISH_GENERAL 0x0409
+#endif
+
/* convert a code point into an index in the glyph cache */
#define TT_HASH(x) ((x) & 0xFF)
#define USTRCT(x) ((x).z)
#define TT_VALID( handle ) ( ( handle ).z != NULL )
+static void i_tt_push_error(TT_Error rc);
/* Prototypes */
static int
i_tt_render_all_glyphs( TT_Fonthandle *handle, int inst, TT_Raster_Map *bit,
TT_Raster_Map *small_bit, int cords[6],
- char const* txt, int len, int smooth, int utf8 );
-static void i_tt_dump_raster_map2( i_img* im, TT_Raster_Map* bit, int xb, int yb, i_color *cl, int smooth );
+ char const* txt, size_t len, int smooth, int utf8 );
+static void i_tt_dump_raster_map2( i_img* im, TT_Raster_Map* bit, int xb, int yb, const i_color *cl, int smooth );
static void i_tt_dump_raster_map_channel( i_img* im, TT_Raster_Map* bit, int xb, int yb, int channel, int smooth );
static int
i_tt_rasterize( TT_Fonthandle *handle, TT_Raster_Map *bit, int cords[6],
- float points, char const* txt, int len, int smooth, int utf8 );
-static undef_int i_tt_bbox_inst( TT_Fonthandle *handle, int inst ,const char *txt, int len, int cords[6], int utf8 );
+ float points, char const* txt, size_t len, int smooth, int utf8 );
+static undef_int i_tt_bbox_inst( TT_Fonthandle *handle, int inst ,const char *txt, size_t len, int cords[6], int utf8 );
/* static globals needed */
+static int TT_initialized = 0;
static TT_Engine engine;
static int LTT_dpi = 72; /* FIXME: this ought to be a part of the call interface */
static int LTT_hinted = 1; /* FIXME: this too */
*/
undef_int
-i_init_tt() {
+i_init_tt(void) {
TT_Error error;
+ TT_Byte palette[] = { 0, 64, 127, 191, 255 };
+
+ i_clear_error();
+
mm_log((1,"init_tt()\n"));
error = TT_Init_FreeType( &engine );
if ( error ){
mm_log((1,"Initialization of freetype failed, code = 0x%x\n",error));
+ i_tt_push_error(error);
+ i_push_error(0, "Could not initialize freetype 1.x");
return(1);
}
error = TT_Init_Post_Extension( engine );
if (error) {
mm_log((1, "Initialization of Post extension failed = 0x%x\n", error));
+
+ i_tt_push_error(error);
+ i_push_error(0, "Could not initialize FT 1.x POST extension");
return 1;
}
#endif
+ error = TT_Set_Raster_Gray_Palette(engine, palette);
+ if (error) {
+ mm_log((1, "Initialization of gray levels failed = 0x%x\n", error));
+ i_tt_push_error(error);
+ i_push_error(0, "Could not initialize FT 1.x POST extension");
+ return 1;
+ }
+
+ TT_initialized = 1;
+
return(0);
}
*/
TT_Fonthandle*
-i_tt_new(char *fontname) {
+i_tt_new(const char *fontname) {
TT_Error error;
TT_Fonthandle *handle;
unsigned short i,n;
unsigned short platform,encoding;
+
+ if (!TT_initialized && i_init_tt()) {
+ i_push_error(0, "Could not initialize FT1 engine");
+ return NULL;
+ }
+
+ i_clear_error();
mm_log((1,"i_tt_new(fontname '%s')\n",fontname));
/* allocate memory for the structure */
- handle = mymalloc( sizeof(TT_Fonthandle) );
+ handle = mymalloc( sizeof(TT_Fonthandle) ); /* checked 5Nov05 tonyc */
/* load the typeface */
error = TT_Open_Face( engine, fontname, &handle->face );
mm_log((1, "Error while opening %s, error code = 0x%x.\n",fontname,
error ));
}
+ i_tt_push_error(error);
return NULL;
}
bit->cols = ( bit->width + 7 ) / 8; /* convert to # of bytes */
bit->size = bit->rows * bit->cols; /* number of bytes in buffer */
}
+
+ /* rows can be 0 for some glyphs, for example ' ' */
+ if (bit->rows && bit->size / bit->rows != bit->cols) {
+ i_fatal(0, "Integer overflow calculating bitmap size (%d, %d)\n",
+ bit->width, bit->rows);
+ }
mm_log((1,"i_tt_init_raster_map: bit->width %d, bit->cols %d, bit->rows %d, bit->size %d)\n", bit->width, bit->cols, bit->rows, bit->size ));
- bit->bitmap = (void *) mymalloc( bit->size );
- if ( !bit->bitmap ) m_fatal(0,"Not enough memory to allocate bitmap (%d)!\n",bit->size );
+ bit->bitmap = (void *) mymalloc( bit->size ); /* checked 6Nov05 tonyc */
+ if ( !bit->bitmap ) i_fatal(0,"Not enough memory to allocate bitmap (%d)!\n",bit->size );
}
i_tt_blit_or( TT_Raster_Map *dst, TT_Raster_Map *src,int x_off, int y_off ) {
int x, y;
int x1, x2, y1, y2;
- char *s, *d;
+ unsigned char *s, *d;
x1 = x_off < 0 ? -x_off : 0;
y1 = y_off < 0 ? -y_off : 0;
/* do the real work now */
for ( y = y1; y < y2; ++y ) {
- s = ( (char*)src->bitmap ) + y * src->cols + x1;
- d = ( (char*)dst->bitmap ) + ( y + y_off ) * dst->cols + x1 + x_off;
+ s = ( (unsigned char*)src->bitmap ) + y * src->cols + x1;
+ d = ( (unsigned char*)dst->bitmap ) + ( y + y_off ) * dst->cols + x1 + x_off;
for ( x = x1; x < x2; ++x ) {
if (*s > *d)
*/
int
-i_tt_has_chars(TT_Fonthandle *handle, char const *text, int len, int utf8,
+i_tt_has_chars(TT_Fonthandle *handle, char const *text, size_t len, int utf8,
char *out) {
int count = 0;
- int inst;
mm_log((1, "i_tt_has_chars(handle %p, text %p, len %d, utf8 %d)\n",
handle, text, len, utf8));
int
i_tt_render_all_glyphs( TT_Fonthandle *handle, int inst, TT_Raster_Map *bit,
TT_Raster_Map *small_bit, int cords[6],
- char const* txt, int len, int smooth, int utf8 ) {
+ char const* txt, size_t len, int smooth, int utf8 ) {
unsigned long j;
- int i;
TT_F26Dot6 x,y;
mm_log((1,"i_tt_render_all_glyphs( handle 0x%X, inst %d, bit 0x%X, small_bit 0x%X, txt '%.*s', len %d, smooth %d, utf8 %d)\n",
static
void
-i_tt_dump_raster_map2( i_img* im, TT_Raster_Map* bit, int xb, int yb, i_color *cl, int smooth ) {
- char *bmap;
- i_color val;
- int c, i, ch, x, y;
+i_tt_dump_raster_map2( i_img* im, TT_Raster_Map* bit, int xb, int yb, const i_color *cl, int smooth ) {
+ unsigned char *bmap;
+ int x, y;
mm_log((1,"i_tt_dump_raster_map2(im 0x%x, bit 0x%X, xb %d, yb %d, cl 0x%X)\n",im,bit,xb,yb,cl));
- bmap = (char *)bit->bitmap;
+ bmap = bit->bitmap;
if ( smooth ) {
- for(y=0;y<bit->rows;y++) for(x=0;x<bit->width;x++) {
- c=(255*bmap[y*(bit->cols)+x])/4;
- i=255-c;
- i_gpix(im,x+xb,y+yb,&val);
- for(ch=0;ch<im->channels;ch++) val.channel[ch]=(c*cl->channel[ch]+i*val.channel[ch])/255;
- i_ppix(im,x+xb,y+yb,&val);
+ i_render r;
+ i_render_init(&r, im, bit->cols);
+ for(y=0;y<bit->rows;y++) {
+#if 0
+ for(x=0;x<bit->width;x++) {
+ c = (unsigned char)bmap[y*(bit->cols)+x];
+ i=255-c;
+ i_gpix(im,x+xb,y+yb,&val);
+ for(ch=0;ch<im->channels;ch++)
+ val.channel[ch] = (c*cl->channel[ch]+i*val.channel[ch])/255;
+ i_ppix(im,x+xb,y+yb,&val);
+ }
+#else
+ i_render_color(&r, xb, yb+y, bit->cols, bmap + y*bit->cols, cl);
+#endif
}
-
+ i_render_done(&r);
} else {
-
- for(y=0;y<bit->rows;y++) for(x=0;x<bit->width;x++) {
- c=( bmap[y*bit->cols+x/8] & (128>>(x%8)) ) ? 255 : 0;
- i=255-c;
- i_gpix(im,x+xb,y+yb,&val);
- for(ch=0;ch<im->channels;ch++) val.channel[ch]=(c*cl->channel[ch]+i*val.channel[ch])/255;
- i_ppix(im,x+xb,y+yb,&val);
+ for(y=0;y<bit->rows;y++) {
+ unsigned mask = 0x80;
+ unsigned char *p = bmap + y * bit->cols;
+
+ for(x = 0; x < bit->width; x++) {
+ if (*p & mask) {
+ i_ppix(im, x+xb, y+yb, cl);
+ }
+ mask >>= 1;
+ if (!mask) {
+ mask = 0x80;
+ ++p;
+ }
+ }
}
}
static
void
i_tt_dump_raster_map_channel( i_img* im, TT_Raster_Map* bit, int xb, int yb, int channel, int smooth ) {
- char *bmap;
+ unsigned char *bmap;
i_color val;
int c,x,y;
+ int old_mask = im->ch_mask;
+ im->ch_mask = 1 << channel;
mm_log((1,"i_tt_dump_raster_channel(im 0x%x, bit 0x%X, xb %d, yb %d, channel %d)\n",im,bit,xb,yb,channel));
- bmap = (char *)bit->bitmap;
+ bmap = bit->bitmap;
if ( smooth ) {
for(y=0;y<bit->rows;y++) for(x=0;x<bit->width;x++) {
- c=(255*bmap[y*(bit->cols)+x])/4;
- i_gpix(im,x+xb,y+yb,&val);
- val.channel[channel]=c;
+ c = bmap[y*(bit->cols)+x];
+ val.channel[channel] = c;
i_ppix(im,x+xb,y+yb,&val);
}
} else {
- for(y=0;y<bit->rows;y++) for(x=0;x<bit->width;x++) {
- c=( bmap[y*bit->cols+x/8] & (128>>(x%8)) ) ? 255 : 0;
- i_gpix(im,x+xb,y+yb,&val);
- val.channel[channel]=c;
- i_ppix(im,x+xb,y+yb,&val);
+ for(y=0;y<bit->rows;y++) {
+ unsigned mask = 0x80;
+ unsigned char *p = bmap + y * bit->cols;
+
+ for(x=0;x<bit->width;x++) {
+ val.channel[channel] = (*p & mask) ? 255 : 0;
+ i_ppix(im,x+xb,y+yb,&val);
+
+ mask >>= 1;
+ if (!mask) {
+ ++p;
+ mask = 0x80;
+ }
+ }
}
}
+ im->ch_mask = old_mask;
}
static
int
-i_tt_rasterize( TT_Fonthandle *handle, TT_Raster_Map *bit, int cords[6], float points, char const* txt, int len, int smooth, int utf8 ) {
+i_tt_rasterize( TT_Fonthandle *handle, TT_Raster_Map *bit, int cords[6], float points, char const* txt, size_t len, int smooth, int utf8 ) {
int inst;
int width, height;
TT_Raster_Map small_bit;
return 0;
}
- /* ascent = ( handle->properties.horizontal->Ascender * handle->instanceh[inst].imetrics.y_ppem ) / handle->properties.header->Units_Per_EM; */
-
if ( smooth ) i_tt_done_raster_map( &small_bit );
return 1;
}
*/
undef_int
-i_tt_cp( TT_Fonthandle *handle, i_img *im, int xb, int yb, int channel, float points, char const* txt, int len, int smooth, int utf8 ) {
+i_tt_cp( TT_Fonthandle *handle, i_img *im, int xb, int yb, int channel, float points, char const* txt, size_t len, int smooth, int utf8, int align ) {
int cords[BOUNDING_BOX_COUNT];
- int ascent, st_offset;
+ int ascent, st_offset, y;
TT_Raster_Map bit;
i_clear_error();
if (! i_tt_rasterize( handle, &bit, cords, points, txt, len, smooth, utf8 ) ) return 0;
- ascent=cords[5];
- st_offset=cords[0];
+ ascent=cords[BBOX_ASCENT];
+ st_offset=cords[BBOX_NEG_WIDTH];
+ y = align ? yb-ascent : yb;
- i_tt_dump_raster_map_channel( im, &bit, xb-st_offset , yb-ascent, channel, smooth );
+ i_tt_dump_raster_map_channel( im, &bit, xb-st_offset , y, channel, smooth );
i_tt_done_raster_map( &bit );
return 1;
*/
undef_int
-i_tt_text( TT_Fonthandle *handle, i_img *im, int xb, int yb, i_color *cl, float points, char const* txt, int len, int smooth, int utf8) {
+i_tt_text( TT_Fonthandle *handle, i_img *im, int xb, int yb, const i_color *cl, float points, char const* txt, size_t len, int smooth, int utf8, int align) {
int cords[BOUNDING_BOX_COUNT];
- int ascent, st_offset;
+ int ascent, st_offset, y;
TT_Raster_Map bit;
i_clear_error();
if (! i_tt_rasterize( handle, &bit, cords, points, txt, len, smooth, utf8 ) ) return 0;
- ascent=cords[5];
- st_offset=cords[0];
+ ascent=cords[BBOX_ASCENT];
+ st_offset=cords[BBOX_NEG_WIDTH];
+ y = align ? yb-ascent : yb;
- i_tt_dump_raster_map2( im, &bit, xb+st_offset, yb-ascent, cl, smooth );
+ i_tt_dump_raster_map2( im, &bit, xb+st_offset, y, cl, smooth );
i_tt_done_raster_map( &bit );
return 1;
static
undef_int
-i_tt_bbox_inst( TT_Fonthandle *handle, int inst ,const char *txt, int len, int cords[BOUNDING_BOX_COUNT], int utf8 ) {
- int i, upm, casc, cdesc, first;
+i_tt_bbox_inst( TT_Fonthandle *handle, int inst ,const char *txt, size_t len, int cords[BOUNDING_BOX_COUNT], int utf8 ) {
+ int upm, casc, cdesc, first;
int start = 0;
int width = 0;
descent = (gm->bbox.yMin-63) / 64;
first = 0;
}
- if (i == len-1) {
+ if (!len) { /* if at end of string */
/* the right-side bearing - in case the right-side of a
character goes past the right of the advance width,
as is common for italic fonts
- (gm->bbox.xMax - gm->bbox.xMin);
/* fprintf(stderr, "font info last: %d %d %d %d\n",
gm->bbox.xMax, gm->bbox.xMin, gm->advance, rightb); */
- if (rightb > 0)
- rightb = 0;
}
ascent = (ascent > casc ? ascent : casc );
cords[BBOX_NEG_WIDTH]=start;
cords[BBOX_GLOBAL_DESCENT]=gdescent;
- cords[BBOX_POS_WIDTH]=width - rightb / 64;
+ cords[BBOX_POS_WIDTH]=width;
+ if (rightb < 0)
+ cords[BBOX_POS_WIDTH] -= rightb / 64;
cords[BBOX_GLOBAL_ASCENT]=gascent;
cords[BBOX_DESCENT]=descent;
cords[BBOX_ASCENT]=ascent;
cords[BBOX_ADVANCE_WIDTH] = width;
+ cords[BBOX_RIGHT_BEARING] = rightb / 64;
- return BBOX_ADVANCE_WIDTH + 1;
+ return BBOX_RIGHT_BEARING + 1;
}
*/
undef_int
-i_tt_bbox( TT_Fonthandle *handle, float points,char *txt,int len,int cords[6], int utf8) {
+i_tt_bbox( TT_Fonthandle *handle, float points,const char *txt,size_t len,int cords[6], int utf8) {
int inst;
i_clear_error();
printf("'%s'\n", name);
}
}
+ fflush(stdout);
}
int
}
if (handle->load_cond) {
- i_push_errorf(rc, "error loading names (%d)", handle->load_cond);
+ i_push_errorf(handle->load_cond, "error loading names (%d)", handle->load_cond);
return 0;
}
#endif
}
+/*
+=item i_tt_push_error(code)
+
+Push an error message and code onto the Imager error stack.
+
+=cut
+*/
+static void
+i_tt_push_error(TT_Error rc) {
+#ifdef FTXERR18
+ TT_String const *msg = TT_ErrToString18(rc);
+
+ i_push_error(rc, msg);
+#else
+ i_push_errorf(rc, "Error code 0x%04x", (unsigned)rc);
+#endif
+}
+
#endif /* HAVE_LIBTT */
projects / imager.git / blobdiff