From d21447d096a320a08b3efb2b8768fad0dcdcfd64 Mon Sep 17 00:00:00 2001 From: Vincent Sanders Date: Thu, 5 May 2016 22:28:51 +0100 Subject: move frontends into sub directory --- frontends/amiga/font_bullet.c | 895 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 895 insertions(+) create mode 100644 frontends/amiga/font_bullet.c (limited to 'frontends/amiga/font_bullet.c') diff --git a/frontends/amiga/font_bullet.c b/frontends/amiga/font_bullet.c new file mode 100644 index 000000000..3032b9735 --- /dev/null +++ b/frontends/amiga/font_bullet.c @@ -0,0 +1,895 @@ +/* + * Copyright 2008 - 2016 Chris Young + * + * 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 . + */ + +#include "amiga/os3support.h" + +#include + +#ifndef __amigaos4__ +#include +#endif +#include +#include +#include +#include + +#include +#include + +#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); +} + -- cgit v1.2.3