From 6ad939b5a6e7807eaad78d5b2e0486c859740cf3 Mon Sep 17 00:00:00 2001 From: Chris Young Date: Fri, 15 Jan 2016 19:36:12 +0000 Subject: [PATCH] Make font engine selection bit more logical --- amiga/Makefile.target | 2 +- amiga/font.c | 895 ++---------------------------------------- amiga/font.h | 48 ++- amiga/font_bitmap.c | 31 +- amiga/font_bullet.c | 892 +++++++++++++++++++++++++++++++++++++++++ amiga/gui.c | 4 +- amiga/plotters.c | 2 +- 7 files changed, 975 insertions(+), 899 deletions(-) create mode 100644 amiga/font_bullet.c diff --git a/amiga/Makefile.target b/amiga/Makefile.target index 391dd6ec9..626110bc5 100644 --- a/amiga/Makefile.target +++ b/amiga/Makefile.target @@ -76,7 +76,7 @@ S_AMIGA := gui.c tree.c history.c hotlist.c schedule.c file.c \ datatypes.c dt_picture.c dt_anim.c dt_sound.c plugin_hack.c \ stringview/stringview.c stringview/urlhistory.c rtg.c \ agclass/amigaguide_class.c os3support.c font_bitmap.c \ - selectmenu.c hash/xxhash.c font_cache.c + selectmenu.c hash/xxhash.c font_cache.c font_bullet.c S_AMIGA := $(addprefix amiga/,$(S_AMIGA)) # This is the final source build list diff --git a/amiga/font.c b/amiga/font.c index 3a141ac68..57017582f 100644 --- a/amiga/font.c +++ b/amiga/font.c @@ -1,5 +1,5 @@ /* - * Copyright 2008 - 2015 Chris Young + * Copyright 2008 - 2016 Chris Young * * This file is part of NetSurf, http://www.netsurf-browser.org/ * @@ -25,11 +25,7 @@ #endif #include #include -#include -#include -#include -#include #include #ifdef __amigaos4__ @@ -37,7 +33,6 @@ #endif #include "utils/log.h" -#include "utils/utf8.h" #include "utils/utils.h" #include "utils/nsoption.h" #include "desktop/browser.h" @@ -45,859 +40,10 @@ #include "desktop/gui_window.h" #include "amiga/font.h" -#include "amiga/font_cache.h" #include "amiga/font_scan.h" #include "amiga/gui.h" #include "amiga/utf8.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_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 Р*/ - 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]; -ULONG ami_devicedpi; -ULONG ami_xdpi; - -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 inline bool 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 true; -} - -/** - * 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 inline bool 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 false; - outf16 = utf16; - if(!(ofont = ami_open_outline_font(fstyle, 0))) return false; - - *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 true; - } - } - - *actual_x = tx; - *char_offset = length; - - free(outf16); - return true; -} - - -/** - * 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 inline bool 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 false; - - utf16 = utf16_str; - if (!(ofont = ami_open_outline_font(fstyle, 0))) - return false; - - *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 true; - } - - 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 true; -} - -/** - * 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) { - 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) 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_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; -} - -ULONG ami_font_unicode_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(__builtin_expect(nsoption_bool(use_diskfont) == true, 0)) { - return ami_font_bm_text(rp, string, length, fstyle, dx, dy); - } - - 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_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); -} - -void ami_init_fonts(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); -} - -void ami_close_fonts(void) -{ - ami_font_cache_fini(); - ami_font_finiscanner(); -} - -void ami_font_close(struct ami_font_cache_node *node) -{ - /* Called from FreeObjList if node type is AMINS_FONT */ - - CloseOutlineFont(node->font, &ami_diskfontlib_list); -} - void ami_font_setdevicedpi(int id) { DisplayInfoHandle dih; @@ -954,41 +100,46 @@ void ami_font_close_disk_font(struct TextFont *tfont) CloseFont(tfont); } +/* Font initialisation */ +void ami_font_init(void) +{ + if(nsoption_bool(use_diskfont) == false) { + ami_font_bullet_init(); + } else { + ami_font_diskfont_init(); + } +} + +void ami_font_fini(void) +{ + if(nsoption_bool(use_diskfont) == false) { + ami_font_bullet_fini(); + } +} /* Stub entry points */ static bool nsfont_width(const plot_font_style_t *fstyle, const char *string, size_t length, int *width) { - if(__builtin_expect(nsoption_bool(use_diskfont) == false, 1)) { - return amiga_nsfont_width(fstyle, string, length, width); - } else { - return amiga_bm_nsfont_width(fstyle, string, length, width); - } + if(__builtin_expect(ami_nsfont == NULL, 0)) return false; + return ami_nsfont->width(fstyle, string, length, width); } static bool 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) { - if(__builtin_expect(nsoption_bool(use_diskfont) == false, 1)) { - return amiga_nsfont_position_in_string(fstyle, string, length, x, - char_offset, actual_x); - } else { - return amiga_bm_nsfont_position_in_string(fstyle, string, length, x, - char_offset, actual_x); - } + if(__builtin_expect(ami_nsfont == NULL, 0)) return false; + return ami_nsfont->posn(fstyle, string, length, x, char_offset, actual_x); } static bool nsfont_split(const plot_font_style_t *fstyle, const char *string, size_t length, int x, size_t *char_offset, int *actual_x) { - if(__builtin_expect(nsoption_bool(use_diskfont) == false, 1)) { - return amiga_nsfont_split(fstyle, string, length, x, char_offset, actual_x); - } else { - return amiga_bm_nsfont_split(fstyle, string, length, x, char_offset, actual_x); - } + if(__builtin_expect(ami_nsfont == NULL, 0)) return false; + return ami_nsfont->split(fstyle, string, length, x, char_offset, actual_x); } const struct font_functions nsfont = { diff --git a/amiga/font.h b/amiga/font.h index 98b0a0c74..404a36e79 100755 --- a/amiga/font.h +++ b/amiga/font.h @@ -1,5 +1,5 @@ /* - * Copyright 2008, 2009, 2012 Chris Young + * Copyright 2008, 2009, 2012, 2016 Chris Young * * This file is part of NetSurf, http://www.netsurf-browser.org/ * @@ -25,11 +25,16 @@ struct ami_font_cache_node; -ULONG ami_font_unicode_text(struct RastPort *rp, const char *string, - ULONG length, const plot_font_style_t *fstyle, ULONG x, ULONG y, bool aa); void ami_font_setdevicedpi(int id); -void ami_init_fonts(void); -void ami_close_fonts(void); +void ami_font_init(void); +void ami_font_fini(void); + +/* In font_bitmap.c */ +void ami_font_diskfont_init(void); + +/* In font_bullet.c */ +void ami_font_bullet_init(void); +void ami_font_bullet_fini(void); void ami_font_close(struct ami_font_cache_node *node); /* Alternate entry points into font_scan */ @@ -41,17 +46,28 @@ void ami_font_savescanner(void); struct TextFont *ami_font_open_disk_font(struct TextAttr *tattr); void ami_font_close_disk_font(struct TextFont *tfont); -/* In font_bitmap.c */ -bool amiga_bm_nsfont_width(const plot_font_style_t *fstyle, - const char *string, size_t length, int *width); -bool amiga_bm_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); -bool amiga_bm_nsfont_split(const plot_font_style_t *fstyle, - const char *string, size_t length, - int x, size_t *char_offset, int *actual_x); -ULONG ami_font_bm_text(struct RastPort *rp, const char *string, ULONG length, - const plot_font_style_t *fstyle, ULONG dx, ULONG dy); +/* Font engine tables */ +struct ami_font_functions { + bool (*width)(const plot_font_style_t *fstyle, + const char *string, size_t length, + int *width); + bool (*posn)(const plot_font_style_t *fstyle, + const char *string, size_t length, + int x, size_t *char_offset, int *actual_x); + + bool (*split)(const plot_font_style_t *fstyle, + const char *string, size_t length, + int x, size_t *char_offset, int *actual_x); + + ULONG (*text)(struct RastPort *rp, const char *string, + ULONG length, const plot_font_style_t *fstyle, + ULONG x, ULONG y, bool aa); +}; + +ULONG ami_devicedpi; +ULONG ami_xdpi; + +const struct ami_font_functions *ami_nsfont; #endif diff --git a/amiga/font_bitmap.c b/amiga/font_bitmap.c index eed43dbd2..d9459b029 100644 --- a/amiga/font_bitmap.c +++ b/amiga/font_bitmap.c @@ -1,5 +1,5 @@ /* - * Copyright 2008 - 2015 Chris Young + * Copyright 2008 - 2016 Chris Young * * This file is part of NetSurf, http://www.netsurf-browser.org/ * @@ -112,7 +112,7 @@ static size_t ami_font_bm_convert_local_to_utf8_offset(const char *utf8string, i } -bool amiga_bm_nsfont_width(const plot_font_style_t *fstyle, +static bool amiga_bm_nsfont_width(const plot_font_style_t *fstyle, const char *string, size_t length, int *width) { @@ -149,7 +149,7 @@ bool amiga_bm_nsfont_width(const plot_font_style_t *fstyle, * \return true on success, false on error and error reported */ -bool amiga_bm_nsfont_position_in_string(const plot_font_style_t *fstyle, +static bool amiga_bm_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) { @@ -203,7 +203,7 @@ bool amiga_bm_nsfont_position_in_string(const plot_font_style_t *fstyle, * Returning char_offset == length means no split possible */ -bool amiga_bm_nsfont_split(const plot_font_style_t *fstyle, +static bool amiga_bm_nsfont_split(const plot_font_style_t *fstyle, const char *string, size_t length, int x, size_t *char_offset, int *actual_x) { @@ -243,7 +243,7 @@ bool amiga_bm_nsfont_split(const plot_font_style_t *fstyle, } } - if((co > 0) && (co < strlen(localtext))) { + if((co > 0) && (co <= strlen(localtext))) { *actual_x = TextLength(glob->rp, localtext, co); *char_offset = ami_font_bm_convert_local_to_utf8_offset(string, length, co); } else { @@ -257,9 +257,13 @@ bool amiga_bm_nsfont_split(const plot_font_style_t *fstyle, return true; } -ULONG ami_font_bm_text(struct RastPort *rp, const char *string, ULONG length, - const plot_font_style_t *fstyle, ULONG dx, ULONG dy) +static ULONG amiga_bm_nsfont_text(struct RastPort *rp, const char *string, ULONG length, + const plot_font_style_t *fstyle, ULONG dx, ULONG dy, bool aa) { + if(!string || string[0]=='\0') return 0; + if(!length) return 0; + if(rp == NULL) return 0; + struct TextFont *bmfont = ami_font_bm_open(rp, fstyle); char *localtext = NULL; if(bmfont == NULL) return 0; @@ -274,3 +278,16 @@ ULONG ami_font_bm_text(struct RastPort *rp, const char *string, ULONG length, return 0; } +const struct ami_font_functions ami_font_diskfont_table = { + amiga_bm_nsfont_width, + amiga_bm_nsfont_position_in_string, + amiga_bm_nsfont_split, + amiga_bm_nsfont_text +}; + +void ami_font_diskfont_init(void) +{ + /* Set up table */ + ami_nsfont = &ami_font_diskfont_table; +} + diff --git a/amiga/font_bullet.c b/amiga/font_bullet.c new file mode 100644 index 000000000..432ae8838 --- /dev/null +++ b/amiga/font_bullet.c @@ -0,0 +1,892 @@ +/* + * 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 "amiga/font.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_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 à */ + 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 inline bool 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 true; +} + +/** + * 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 inline bool 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 false; + outf16 = utf16; + if(!(ofont = ami_open_outline_font(fstyle, 0))) return false; + + *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 true; + } + } + + *actual_x = tx; + *char_offset = length; + + free(outf16); + return true; +} + + +/** + * 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 inline bool 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 false; + + utf16 = utf16_str; + if (!(ofont = ami_open_outline_font(fstyle, 0))) + return false; + + *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 true; + } + + 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 true; +} + +/** + * 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) { + 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) 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_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_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); +} + +void ami_font_close(struct ami_font_cache_node *node) +{ + /* Called from FreeObjList if node type is AMINS_FONT */ + 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(); +} + diff --git a/amiga/gui.c b/amiga/gui.c index 4eb2c47ce..6744d997d 100644 --- a/amiga/gui.c +++ b/amiga/gui.c @@ -3016,7 +3016,7 @@ static void gui_quit(void) ami_free_layers(&browserglob); - ami_close_fonts(); + ami_font_fini(); ami_help_free(); LOG("Closing screen"); @@ -5633,7 +5633,7 @@ int main(int argc, char** argv) ami_clipboard_init(); ami_openurl_open(); ami_amiupdate(); /* set env-vars for AmiUpdate */ - ami_init_fonts(); + ami_font_init(); save_complete_init(); ami_theme_init(); ami_init_mouse_pointers(); diff --git a/amiga/plotters.c b/amiga/plotters.c index dc68f934e..ea13285d7 100644 --- a/amiga/plotters.c +++ b/amiga/plotters.c @@ -434,7 +434,7 @@ static bool ami_text(int x, int y, const char *text, size_t length, aa = false; ami_plot_setapen(glob->rp, fstyle->foreground); - ami_font_unicode_text(glob->rp, text, length, fstyle, x, y, aa); + ami_nsfont->text(glob->rp, text, length, fstyle, x, y, aa); return true; }