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author | Vincent Sanders <vince@kyllikki.org> | 2016-05-05 22:28:51 +0100 |
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committer | Vincent Sanders <vince@kyllikki.org> | 2016-05-15 13:44:34 +0100 |
commit | d21447d096a320a08b3efb2b8768fad0dcdcfd64 (patch) | |
tree | 1a83814b7c9e94b2f13c473261f23dd3a17dee64 /amiga/font_bullet.c | |
parent | 2cbb337756d9af5bda4d594964d446439f602551 (diff) | |
download | netsurf-d21447d096a320a08b3efb2b8768fad0dcdcfd64.tar.gz netsurf-d21447d096a320a08b3efb2b8768fad0dcdcfd64.tar.bz2 |
move frontends into sub directory
Diffstat (limited to 'amiga/font_bullet.c')
-rw-r--r-- | amiga/font_bullet.c | 895 |
1 files changed, 0 insertions, 895 deletions
diff --git a/amiga/font_bullet.c b/amiga/font_bullet.c deleted file mode 100644 index 3032b9735..000000000 --- a/amiga/font_bullet.c +++ /dev/null @@ -1,895 +0,0 @@ -/* - * Copyright 2008 - 2016 Chris Young <chris@unsatisfactorysoftware.co.uk> - * - * This file is part of NetSurf, http://www.netsurf-browser.org/ - * - * NetSurf is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * NetSurf is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include "amiga/os3support.h" - -#include <stdlib.h> - -#ifndef __amigaos4__ -#include <proto/bullet.h> -#endif -#include <proto/diskfont.h> -#include <proto/exec.h> -#include <proto/graphics.h> -#include <proto/utility.h> - -#include <diskfont/diskfonttag.h> -#include <diskfont/oterrors.h> - -#include "amiga/font.h" -#include "amiga/font_bullet.h" -#include "amiga/font_cache.h" -#include "amiga/font_scan.h" - -#include "utils/log.h" -#include "utils/nsoption.h" -#include "utils/utf8.h" -#include "utils/utils.h" - -#define NSA_UNICODE_FONT PLOT_FONT_FAMILY_COUNT - -#define NSA_NORMAL 0 -#define NSA_ITALIC 1 -#define NSA_BOLD 2 -#define NSA_BOLDITALIC 3 -#define NSA_OBLIQUE 4 -#define NSA_BOLDOBLIQUE 6 - -#define NSA_VALUE_BOLDX (1 << 12) -#define NSA_VALUE_BOLDY 0 -#define NSA_VALUE_SHEARSIN (1 << 14) -#define NSA_VALUE_SHEARCOS (1 << 16) - -#define NSA_FONT_EMWIDTH(s) (s / FONT_SIZE_SCALE) * (ami_font_dpi_get_xdpi() / 72.0) - -const uint16 sc_table[] = { - 0x0061, 0x1D00, /* a */ - 0x0062, 0x0299, /* b */ - 0x0063, 0x1D04, /* c */ - 0x0064, 0x1D05, /* d */ - 0x0065, 0x1D07, /* e */ - 0x0066, 0xA730, /* f */ - 0x0067, 0x0262, /* g */ - 0x0068, 0x029C, /* h */ - 0x0069, 0x026A, /* i */ - 0x006A, 0x1D0A, /* j */ - 0x006B, 0x1D0B, /* k */ - 0x006C, 0x029F, /* l */ - 0x006D, 0x1D0D, /* m */ - 0x006E, 0x0274, /* n */ - 0x006F, 0x1D0F, /* o */ - 0x0070, 0x1D18, /* p */ - 0x0071, 0xA7EE, /* q (proposed) (Adobe codepoint 0xF771) */ - 0x0072, 0x0280, /* r */ - 0x0073, 0xA731, /* s */ - 0x0074, 0x1D1B, /* t */ - 0x0075, 0x1D1C, /* u */ - 0x0076, 0x1D20, /* v */ - 0x0077, 0x1D21, /* w */ - 0x0078, 0xA7EF, /* x (proposed) (Adobe codepoint 0xF778) */ - 0x0079, 0x028F, /* y */ - 0x007A, 0x1D22, /* z */ - - 0x00C6, 0x1D01, /* ae */ - 0x0153, 0x0276, /* oe */ - -#if 0 -/* TODO: fill in the non-small caps character ids for these */ - 0x0000, 0x1D03, /* barred b */ - 0x0000, 0x0281, /* inverted r */ - 0x0000, 0x1D19, /* reversed r */ - 0x0000, 0x1D1A, /* turned r */ - 0x0000, 0x029B, /* g with hook */ - 0x0000, 0x1D06, /* eth Ð */ - 0x0000, 0x1D0C, /* l with stroke */ - 0x0000, 0xA7FA, /* turned m */ - 0x0000, 0x1D0E, /* reversed n */ - 0x0000, 0x1D10, /* open o */ - 0x0000, 0x1D15, /* ou */ - 0x0000, 0x1D23, /* ezh */ - 0x0000, 0x1D26, /* gamma */ - 0x0000, 0x1D27, /* lamda */ - 0x0000, 0x1D28, /* pi */ - 0x0000, 0x1D29, /* rho */ - 0x0000, 0x1D2A, /* psi */ - 0x0000, 0x1D2B, /* el */ - 0x0000, 0xA776, /* rum */ - - 0x0000, 0x1DDB, /* combining g */ - 0x0000, 0x1DDE, /* combining l */ - 0x0000, 0x1DDF, /* combining m */ - 0x0000, 0x1DE1, /* combining n */ - 0x0000, 0x1DE2, /* combining r */ - - 0x0000, 0x1DA6, /* modifier i */ - 0x0000, 0x1DA7, /* modifier i with stroke */ - 0x0000, 0x1DAB, /* modifier l */ - 0x0000, 0x1DB0, /* modifier n */ - 0x0000, 0x1DB8, /* modifier u */ -#endif - 0, 0}; - -lwc_string *glypharray[0xffff + 1]; - -static struct List ami_diskfontlib_list; - -static inline int32 ami_font_plot_glyph(struct OutlineFont *ofont, struct RastPort *rp, - uint16 *char1, uint16 *char2, uint32 x, uint32 y, uint32 emwidth, bool aa); -static inline int32 ami_font_width_glyph(struct OutlineFont *ofont, - const uint16 *char1, const uint16 *char2, uint32 emwidth); -static struct OutlineFont *ami_open_outline_font(const plot_font_style_t *fstyle, - const uint16 *codepoint); -static inline ULONG ami_font_unicode_width(const char *string, ULONG length, - const plot_font_style_t *fstyle, ULONG x, ULONG y, bool aa); - -static inline int amiga_nsfont_utf16_char_length(const uint16 *char1) -{ - if (__builtin_expect(((*char1 < 0xD800) || (0xDBFF < *char1)), 1)) { - return 1; - } else { - return 2; - } -} - -static inline uint32 amiga_nsfont_decode_surrogate(const uint16 *char1) -{ - if(__builtin_expect((amiga_nsfont_utf16_char_length(char1) == 2), 0)) { - return ((uint32)char1[0] << 10) + char1[1] - 0x35FDC00; - } else { - return (uint32)*char1; - } -} - -static nserror amiga_nsfont_width(const plot_font_style_t *fstyle, - const char *string, size_t length, - int *width) -{ - *width = ami_font_unicode_width(string, length, fstyle, 0, 0, false); - - if(*width <= 0) *width == length; // fudge - - return NSERROR_OK; -} - -/** - * Find the position in a string where an x coordinate falls. - * - * \param fstyle style for this text - * \param string UTF-8 string to measure - * \param length length of string - * \param x x coordinate to search for - * \param char_offset updated to offset in string of actual_x, [0..length] - * \param actual_x updated to x coordinate of character closest to x - * \return true on success, false on error and error reported - */ - -static nserror amiga_nsfont_position_in_string(const plot_font_style_t *fstyle, - const char *string, size_t length, - int x, size_t *char_offset, int *actual_x) -{ - uint16 *utf16 = NULL, *outf16 = NULL; - uint16 *utf16next = NULL; - struct OutlineFont *ofont, *ufont = NULL; - int tx = 0; - uint32 utf8_pos = 0; - int utf16charlen; - ULONG emwidth = (ULONG)NSA_FONT_EMWIDTH(fstyle->size); - int32 tempx; - - if(utf8_to_enc(string,"UTF-16",length,(char **)&utf16) != NSERROR_OK) return NSERROR_INVALID; - outf16 = utf16; - if(!(ofont = ami_open_outline_font(fstyle, 0))) return NSERROR_INVALID; - - *char_offset = 0; - *actual_x = 0; - - while (utf8_pos < length) { - utf16charlen = amiga_nsfont_utf16_char_length(utf16); - utf16next = &utf16[utf16charlen]; - - tempx = ami_font_width_glyph(ofont, utf16, utf16next, emwidth); - - if (tempx == 0) { - if (ufont == NULL) - ufont = ami_open_outline_font(fstyle, utf16); - - if (ufont) - tempx = ami_font_width_glyph(ufont, utf16, - utf16next, emwidth); - } - - tx += tempx; - utf16 = utf16next; - utf8_pos = utf8_next(string, length, utf8_pos); - - if(tx < x) { - *actual_x = tx; - *char_offset = utf8_pos; - } else { - if((x - *actual_x) > (tx - x)) { - *actual_x = tx; - *char_offset = utf8_pos; - } - free(outf16); - return NSERROR_OK; - } - } - - *actual_x = tx; - *char_offset = length; - - free(outf16); - return NSERROR_OK; -} - - -/** - * Find where to split a string to make it fit a width. - * - * \param fstyle style for this text - * \param string UTF-8 string to measure - * \param length length of string - * \param x width available - * \param char_offset updated to offset in string of actual_x, [1..length] - * \param actual_x updated to x coordinate of character closest to x - * \return true on success, false on error and error reported - * - * On exit, char_offset indicates first character after split point. - * - * Note: char_offset of 0 should never be returned. - * - * Returns: - * char_offset giving split point closest to x, where actual_x <= x - * else - * char_offset giving split point closest to x, where actual_x > x - * - * Returning char_offset == length means no split possible - */ - -static nserror amiga_nsfont_split(const plot_font_style_t *fstyle, - const char *string, size_t length, - int x, size_t *char_offset, int *actual_x) -{ - uint16 *utf16_str = NULL; - const uint16 *utf16 = NULL; - const uint16 *utf16next = NULL; - struct OutlineFont *ofont, *ufont = NULL; - int tx = 0; - uint32 utf8_pos = 0; - int32 tempx = 0; - ULONG emwidth = (ULONG)NSA_FONT_EMWIDTH(fstyle->size); - - /* Get utf16 conversion of string for glyph measuring routines */ - if (utf8_to_enc(string, "UTF-16", length, (char **)&utf16_str) != - NSERROR_OK) - return NSERROR_INVALID; - - utf16 = utf16_str; - if (!(ofont = ami_open_outline_font(fstyle, 0))) - return NSERROR_INVALID; - - *char_offset = 0; - *actual_x = 0; - - if (*utf16 == 0xFEFF) utf16++; - - while (utf8_pos < length) { - if ((*utf16 < 0xD800) || (0xDBFF < *utf16)) - utf16next = utf16 + 1; - else - utf16next = utf16 + 2; - - tempx = ami_font_width_glyph(ofont, utf16, utf16next, emwidth); - - if (tempx == 0) { - if (ufont == NULL) - ufont = ami_open_outline_font(fstyle, utf16); - - if (ufont) - tempx = ami_font_width_glyph(ufont, utf16, - utf16next, emwidth); - } - - /* Check whether we have a space */ - if (*(string + utf8_pos) == ' ') { - /* Got a space */ - *actual_x = tx; - *char_offset = utf8_pos; - } - - tx += tempx; - if ((x < tx) && (*char_offset != 0)) { - /* Reached available width, and a space was found; - * split there. */ - free(utf16_str); - return NSERROR_OK; - } - - utf16 = utf16next; - utf8_pos = utf8_next(string, length, utf8_pos); - } - - free(utf16_str); - - /* No spaces to split at, or everything fits */ - assert(*char_offset == 0 || x >= tx); - - *char_offset = length; - *actual_x = tx; - return NSERROR_OK; -} - -/** - * Search for a font in the list and load from disk if not present - */ -static struct ami_font_cache_node *ami_font_open(const char *font, bool critical) -{ - struct ami_font_cache_node *nodedata = ami_font_cache_locate(font); - if(nodedata) return nodedata; - - nodedata = ami_font_cache_alloc_entry(font); - - if(nodedata == NULL) { - amiga_warn_user("NoMemory", ""); - return NULL; - } - - nodedata->font = OpenOutlineFont(font, &ami_diskfontlib_list, OFF_OPEN); - - if(!nodedata->font) - { - LOG("Requested font not found: %s", font); - if(critical == true) amiga_warn_user("CompError", font); - FreeVec(nodedata); - return NULL; - } - - nodedata->bold = (char *)GetTagData(OT_BName, 0, nodedata->font->olf_OTagList); - if(nodedata->bold) - LOG("Bold font defined for %s is %s", font, nodedata->bold); - else - LOG("Warning: No designed bold font defined for %s", font); - - nodedata->italic = (char *)GetTagData(OT_IName, 0, nodedata->font->olf_OTagList); - if(nodedata->italic) - LOG("Italic font defined for %s is %s", font, nodedata->italic); - else - LOG("Warning: No designed italic font defined for %s", font); - - nodedata->bolditalic = (char *)GetTagData(OT_BIName, 0, nodedata->font->olf_OTagList); - if(nodedata->bolditalic) - LOG("Bold-italic font defined for %s is %s", font, nodedata->bolditalic); - else - LOG("Warning: No designed bold-italic font defined for %s", font); - - ami_font_cache_insert(nodedata, font); - return nodedata; -} - -/** - * Open an outline font in the specified size and style - * - * \param fstyle font style structure - * \param codepoint open a default font instead of the one specified by fstyle - * \return outline font or NULL on error - */ -static struct OutlineFont *ami_open_outline_font(const plot_font_style_t *fstyle, - const uint16 *codepoint) -{ - struct ami_font_cache_node *node; - struct ami_font_cache_node *designed_node = NULL; - struct OutlineFont *ofont; - char *fontname; - ULONG ysize; - int tstyle = 0; - plot_font_generic_family_t fontfamily; - ULONG emboldenx = 0; - ULONG emboldeny = 0; - ULONG shearsin = 0; - ULONG shearcos = (1 << 16); - - if(codepoint) fontfamily = NSA_UNICODE_FONT; - else fontfamily = fstyle->family; - - switch(fontfamily) - { - case PLOT_FONT_FAMILY_SANS_SERIF: - fontname = nsoption_charp(font_sans); - break; - case PLOT_FONT_FAMILY_SERIF: - fontname = nsoption_charp(font_serif); - break; - case PLOT_FONT_FAMILY_MONOSPACE: - fontname = nsoption_charp(font_mono); - break; - case PLOT_FONT_FAMILY_CURSIVE: - fontname = nsoption_charp(font_cursive); - break; - case PLOT_FONT_FAMILY_FANTASY: - fontname = nsoption_charp(font_fantasy); - break; - case NSA_UNICODE_FONT: - default: - if(__builtin_expect((amiga_nsfont_utf16_char_length(codepoint) == 2), 0)) { - /* Multi-byte character */ - fontname = nsoption_charp(font_surrogate); - } else { - fontname = (char *)ami_font_scan_lookup(codepoint, glypharray); - } - if(fontname == NULL) return NULL; - break; - } - - node = ami_font_open(fontname, true); - if(!node) return NULL; - - if (fstyle->flags & FONTF_OBLIQUE) - tstyle = NSA_OBLIQUE; - - if (fstyle->flags & FONTF_ITALIC) - tstyle = NSA_ITALIC; - - if (fstyle->weight >= 700) - tstyle += NSA_BOLD; - - switch(tstyle) - { - case NSA_ITALIC: - if(node->italic) designed_node = ami_font_open(node->italic, false); - - if(designed_node == NULL) { - shearsin = NSA_VALUE_SHEARSIN; - shearcos = NSA_VALUE_SHEARCOS; - } - break; - - case NSA_OBLIQUE: - shearsin = NSA_VALUE_SHEARSIN; - shearcos = NSA_VALUE_SHEARCOS; - break; - - case NSA_BOLD: - if(node->bold) designed_node = ami_font_open(node->bold, false); - - if(designed_node == NULL) { - emboldenx = NSA_VALUE_BOLDX; - emboldeny = NSA_VALUE_BOLDY; - } - break; - - case NSA_BOLDOBLIQUE: - shearsin = NSA_VALUE_SHEARSIN; - shearcos = NSA_VALUE_SHEARCOS; - - if(node->bold) designed_node = ami_font_open(node->bold, false); - - if(designed_node == NULL) { - emboldenx = NSA_VALUE_BOLDX; - emboldeny = NSA_VALUE_BOLDY; - } - break; - - case NSA_BOLDITALIC: - if(node->bolditalic) designed_node = ami_font_open(node->bolditalic, false); - - if(designed_node == NULL) { - emboldenx = NSA_VALUE_BOLDX; - emboldeny = NSA_VALUE_BOLDY; - shearsin = NSA_VALUE_SHEARSIN; - shearcos = NSA_VALUE_SHEARCOS; - } - break; - } - - /* Scale to 16.16 fixed point */ - ysize = fstyle->size * ((1 << 16) / FONT_SIZE_SCALE); - - if(designed_node == NULL) { - ofont = node->font; - } else { - ofont = designed_node->font; - } - -#ifndef __amigaos4__ - struct BulletBase *BulletBase = ofont->BulletBase; -#endif - - if(ESetInfo(AMI_OFONT_ENGINE, - OT_DeviceDPI, ami_font_dpi_get_devicedpi(), - OT_PointHeight, ysize, - OT_EmboldenX, emboldenx, - OT_EmboldenY, emboldeny, - OT_ShearSin, shearsin, - OT_ShearCos, shearcos, - TAG_END) == OTERR_Success) - return ofont; - - return NULL; -} - -static inline int32 ami_font_plot_glyph(struct OutlineFont *ofont, struct RastPort *rp, - uint16 *char1, uint16 *char2, uint32 x, uint32 y, uint32 emwidth, bool aa) -{ - struct GlyphMap *glyph; - UBYTE *glyphbm; - int32 char_advance = 0; - FIXED kern = 0; - ULONG glyphmaptag; - ULONG template_type; - uint32 long_char_1 = 0, long_char_2 = 0; -#ifndef __amigaos4__ - struct BulletBase *BulletBase = ofont->BulletBase; -#endif - -#ifndef __amigaos4__ - if (__builtin_expect(((*char1 >= 0xD800) && (*char1 <= 0xDBFF)), 0)) { - /* We don't support UTF-16 surrogates yet, so just return. */ - return 0; - } - - if (__builtin_expect(((*char2 >= 0xD800) && (*char2 <= 0xDBFF)), 0)) { - /* Don't attempt to kern a UTF-16 surrogate */ - *char2 = 0; - } -#endif - -#ifdef __amigaos4__ - if(__builtin_expect(aa == true, 1)) { - glyphmaptag = OT_GlyphMap8Bit; - template_type = BLITT_ALPHATEMPLATE; - } else { -#endif - glyphmaptag = OT_GlyphMap; -#ifdef __amigaos4__ - template_type = BLITT_TEMPLATE; - } -#endif - - long_char_1 = amiga_nsfont_decode_surrogate(char1); - long_char_2 = amiga_nsfont_decode_surrogate(char2); - /**\todo use OT_GlyphCode_32 so we get an error for old font engines */ - - if(ESetInfo(AMI_OFONT_ENGINE, - OT_GlyphCode, long_char_1, - OT_GlyphCode2, long_char_2, - TAG_END) == OTERR_Success) - { - if(EObtainInfo(AMI_OFONT_ENGINE, - glyphmaptag, &glyph, - TAG_END) == 0) - { - glyphbm = glyph->glm_BitMap; - if(!glyphbm) return 0; - - if(rp) { -#ifdef __amigaos4__ - BltBitMapTags(BLITA_SrcX, glyph->glm_BlackLeft, - BLITA_SrcY, glyph->glm_BlackTop, - BLITA_DestX, x - glyph->glm_X0 + glyph->glm_BlackLeft, - BLITA_DestY, y - glyph->glm_Y0 + glyph->glm_BlackTop, - BLITA_Width, glyph->glm_BlackWidth, - BLITA_Height, glyph->glm_BlackHeight, - BLITA_Source, glyphbm, - BLITA_SrcType, template_type, - BLITA_Dest, rp, - BLITA_DestType, BLITT_RASTPORT, - BLITA_SrcBytesPerRow, glyph->glm_BMModulo, - TAG_DONE); -#else - /* On OS3 the glyph needs to be in chip RAM */ - void *chip_glyph = AllocVec(glyph->glm_BMModulo * glyph->glm_BMRows, MEMF_CHIP); - if(chip_glyph != NULL) { - CopyMem(glyphbm, chip_glyph, glyph->glm_BMModulo * glyph->glm_BMRows); - - BltTemplate(chip_glyph + (glyph->glm_BMModulo * glyph->glm_BlackTop) + - ((glyph->glm_BlackLeft >> 4) << 1), - glyph->glm_BlackLeft & 0xF, glyph->glm_BMModulo, rp, - x - glyph->glm_X0 + glyph->glm_BlackLeft, - y - glyph->glm_Y0 + glyph->glm_BlackTop, - glyph->glm_BlackWidth, glyph->glm_BlackHeight); - - FreeVec(chip_glyph); - } -#endif - } - - kern = 0; - - if(*char2) EObtainInfo(AMI_OFONT_ENGINE, - OT_TextKernPair, &kern, - TAG_END); - - char_advance = (ULONG)(((glyph->glm_Width - kern) * emwidth) / 65536); - - EReleaseInfo(AMI_OFONT_ENGINE, - glyphmaptag, glyph, - TAG_END); - - if(*char2) EReleaseInfo(AMI_OFONT_ENGINE, - OT_TextKernPair, kern, - TAG_END); - } - } - - return char_advance; -} - -static inline int32 ami_font_width_glyph(struct OutlineFont *ofont, - const uint16 *char1, const uint16 *char2, uint32 emwidth) -{ - int32 char_advance = 0; - FIXED kern = 0; - struct MinList *gwlist = NULL; - FIXED char1w = 0; - struct GlyphWidthEntry *gwnode; - bool skip_c2 = false; - uint32 long_char_1 = 0; - uint32 long_char_2; -#ifndef __amigaos4__ - struct BulletBase *BulletBase = ofont->BulletBase; -#endif - -#ifndef __amigaos4__ - if (__builtin_expect(((*char1 >= 0xD800) && (*char1 <= 0xDBFF)), 0)) { - /* We don't support UTF-16 surrogates yet, so just return. */ - return 0; - } - - if (__builtin_expect(((*char2 >= 0xD800) && (*char2 <= 0xDBFF)), 0)) { - /* Don't attempt to kern a UTF-16 surrogate */ - skip_c2 = true; - } -#endif - - if (*char2 < 0x0020) skip_c2 = true; - - long_char_1 = amiga_nsfont_decode_surrogate(char1); - /**\todo use OT_GlyphCode_32 so we get an error for old font engines */ - - if(ESetInfo(AMI_OFONT_ENGINE, - OT_GlyphCode, long_char_1, - OT_GlyphCode2, long_char_1, - TAG_END) == OTERR_Success) - { - if(EObtainInfo(AMI_OFONT_ENGINE, - OT_WidthList, &gwlist, - TAG_END) == 0) - { - gwnode = (struct GlyphWidthEntry *)GetHead((struct List *)gwlist); - if(gwnode) char1w = gwnode->gwe_Width; - - kern = 0; - - if(!skip_c2) { - long_char_2 = amiga_nsfont_decode_surrogate(char2); - if(ESetInfo(AMI_OFONT_ENGINE, - OT_GlyphCode, long_char_1, - OT_GlyphCode2, long_char_2, - TAG_END) == OTERR_Success) - { - EObtainInfo(AMI_OFONT_ENGINE, - OT_TextKernPair, &kern, - TAG_END); - } - } - char_advance = (ULONG)(((char1w - kern) * emwidth) / 65536); - - if(!skip_c2) EReleaseInfo(AMI_OFONT_ENGINE, - OT_TextKernPair, kern, - TAG_END); - - EReleaseInfo(AMI_OFONT_ENGINE, - OT_WidthList, gwlist, - TAG_END); - } - } - - return char_advance; -} - -static const uint16 *ami_font_translate_smallcaps(uint16 *utf16char) -{ - const uint16 *p; - p = &sc_table[0]; - - while (*p != 0) - { - if(*p == *utf16char) return &p[1]; - p++; - } - - return utf16char; -} - -static ULONG amiga_nsfont_text(struct RastPort *rp, const char *string, ULONG length, - const plot_font_style_t *fstyle, ULONG dx, ULONG dy, bool aa) -{ - uint16 *utf16 = NULL, *outf16 = NULL; - uint16 *utf16charsc = 0, *utf16nextsc = 0; - uint16 *utf16next = 0; - int utf16charlen; - struct OutlineFont *ofont, *ufont = NULL; - uint32 x=0; - int32 tempx = 0; - ULONG emwidth = (ULONG)NSA_FONT_EMWIDTH(fstyle->size); - uint16 utf16_a = 0x41; - - if(!string || string[0]=='\0') return 0; - if(!length) return 0; - if(rp == NULL) return 0; - - if(utf8_to_enc(string,"UTF-16",length,(char **)&utf16) != NSERROR_OK) return 0; - outf16 = utf16; - if(!(ofont = ami_open_outline_font(fstyle, 0))) { - if(!(ofont = ami_open_outline_font(fstyle, &utf16_a))) return 0; - } - - while(*utf16 != 0) - { - utf16charlen = amiga_nsfont_utf16_char_length(utf16); - utf16next = &utf16[utf16charlen]; - - if(fstyle->flags & FONTF_SMALLCAPS) - { - utf16charsc = (uint16 *)ami_font_translate_smallcaps(utf16); - utf16nextsc = (uint16 *)ami_font_translate_smallcaps(utf16next); - - tempx = ami_font_plot_glyph(ofont, rp, utf16charsc, utf16nextsc, - dx + x, dy, emwidth, aa); - } - else tempx = 0; - - if(tempx == 0) { - tempx = ami_font_plot_glyph(ofont, rp, utf16, utf16next, - dx + x, dy, emwidth, aa); - } - - if(tempx == 0) - { - if(ufont == NULL) - { - ufont = ami_open_outline_font(fstyle, utf16); - } - - if(ufont) { - tempx = ami_font_plot_glyph(ufont, rp, utf16, utf16next, - dx + x, dy, emwidth, aa); - } - } - - x += tempx; - - utf16 += utf16charlen; - } - - free(outf16); - return x; -} - -static inline ULONG ami_font_unicode_width(const char *string, ULONG length, - const plot_font_style_t *fstyle, ULONG dx, ULONG dy, bool aa) -{ - uint16 *utf16 = NULL, *outf16 = NULL; - uint16 *utf16charsc = 0, *utf16nextsc = 0; - uint16 *utf16next = 0; - int utf16charlen; - struct OutlineFont *ofont, *ufont = NULL; - uint32 x=0; - int32 tempx = 0; - ULONG emwidth = (ULONG)NSA_FONT_EMWIDTH(fstyle->size); - uint16 utf16_a = 0x41; - - if(!string || string[0]=='\0') return 0; - if(!length) return 0; - - if(utf8_to_enc(string,"UTF-16",length,(char **)&utf16) != NSERROR_OK) return 0; - outf16 = utf16; - if(!(ofont = ami_open_outline_font(fstyle, 0))) { - if(!(ofont = ami_open_outline_font(fstyle, &utf16_a))) return 0; - } - - while(*utf16 != 0) - { - utf16charlen = amiga_nsfont_utf16_char_length(utf16); - utf16next = &utf16[utf16charlen]; - - if(fstyle->flags & FONTF_SMALLCAPS) - { - utf16charsc = (uint16 *)ami_font_translate_smallcaps(utf16); - utf16nextsc = (uint16 *)ami_font_translate_smallcaps(utf16next); - - tempx = ami_font_width_glyph(ofont, utf16charsc, utf16nextsc, emwidth); - } - else tempx = 0; - - if(tempx == 0) { - tempx = ami_font_width_glyph(ofont, utf16, utf16next, emwidth); - } - - if(tempx == 0) - { - if(ufont == NULL) - { - ufont = ami_open_outline_font(fstyle, utf16); - } - - if(ufont) - { - tempx = ami_font_width_glyph(ufont, utf16, utf16next, emwidth); - } - } - - x += tempx; - - utf16 += utf16charlen; - } - - free(outf16); - return x; -} - -void ami_font_bullet_close(void *nso) -{ - struct ami_font_cache_node *node = (struct ami_font_cache_node *)nso; - CloseOutlineFont(node->font, &ami_diskfontlib_list); -} - -const struct ami_font_functions ami_font_bullet_table = { - amiga_nsfont_width, - amiga_nsfont_position_in_string, - amiga_nsfont_split, - amiga_nsfont_text -}; - -void ami_font_bullet_init(void) -{ - /* Initialise Unicode font scanner */ - ami_font_initscanner(false, true); - - /* Initialise font caching etc lists */ - ami_font_cache_init(); - - /* List for diskfont internal cache */ - NewList(&ami_diskfontlib_list); - - /* Set up table */ - ami_nsfont = &ami_font_bullet_table; -} - -void ami_font_bullet_fini(void) -{ - ami_font_cache_fini(); - ami_font_finiscanner(); -} - -/* Font scanner */ -void ami_font_initscanner(bool force, bool save) -{ - ami_font_scan_init(nsoption_charp(font_unicode_file), force, save, glypharray); -} - -void ami_font_finiscanner(void) -{ - ami_font_scan_fini(glypharray); -} - -void ami_font_savescanner(void) -{ - ami_font_scan_save(nsoption_charp(font_unicode_file), glypharray); -} - |