diff options
Diffstat (limited to 'modules/hebrew/hebrew-shaper.c')
| -rw-r--r-- | modules/hebrew/hebrew-shaper.c | 64 |
1 files changed, 32 insertions, 32 deletions
diff --git a/modules/hebrew/hebrew-shaper.c b/modules/hebrew/hebrew-shaper.c index 276ac108..ae77f688 100644 --- a/modules/hebrew/hebrew-shaper.c +++ b/modules/hebrew/hebrew-shaper.c @@ -6,7 +6,7 @@ * * Hebrew points positioning improvements 2001 * Author: Dov Grobgeld <dov@imagic.weizmann.ac.il> - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either @@ -99,7 +99,7 @@ static const gint char_class_table[128] = { /*00*/ _ND, _ND, _ND, _ND, _ND, _ND, _ND, _ND, _ND, _ND, _ND, _ND, _ND, _ND, _ND, _ND, - + /*10*/ _ND, _NS, _NS, _NS, _NS, _NS, _NS, _NS, _NS, _NS, _NS, _NS, _NS, _NS, _NS, _NS, /*20*/ _NS, _NS, _ND, _NS, _NS, _NS, _NS, _NS, @@ -121,7 +121,7 @@ static const gint char_type_table[128] = { /*00*/ __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, - + /*10*/ __ND, __NS, __NS, __NS, __NS, __NS, __NS, __NS, __NS, __NS, __NS, __NS, __NS, __NS, __NS, __NS, /*20*/ __NS, __NS, __ND, __NS, __NS, __NS, __NS, __NS, @@ -172,21 +172,21 @@ hebrew_shaper_get_next_cluster(const char *text, gint length, gunichar *cluster, gint *num_chrs) -{ +{ const char *p; gint n_chars = 0; - + p = text; - while (p < text + length && n_chars < MAX_CLUSTER_CHRS) + while (p < text + length && n_chars < MAX_CLUSTER_CHRS) { gunichar current = g_utf8_get_char (p); - + if (!ishebrew (current) || (n_chars == 0 && is_char_class(current, ~(NoDefine|SpacingLetter)))) { /* Not a legal Hebrew cluster */ - + if (n_chars == 0) { cluster[n_chars++] = current; @@ -235,7 +235,7 @@ hebrew_shaper_get_cluster_kerning(gunichar *cluster, x_offset[0] = -ink_rect[0].x - ink_rect[0].width; width[0] = 0; } - + return; } @@ -250,14 +250,14 @@ hebrew_shaper_get_cluster_kerning(gunichar *cluster, int gl = cluster[i]; x_offset[i] = 0; y_offset[i] = 0; - + /* Check if it is a point */ if (gl < 0x5B0 || gl >= 0x05D0) continue; - + /* Center dot of VAV */ if (gl == UNI_MAPIQ && base_char == UNI_VAV) - { + { x_offset[i] = base_ink_x_offset - ink_rect[i].x; /* If VAV is a vertical bar without a roof, then we @@ -286,14 +286,14 @@ hebrew_shaper_get_cluster_kerning(gunichar *cluster, /* Dot over SHIN */ else if (gl == UNI_SHIN_DOT && base_char == UNI_SHIN) - { + { x_offset[i] = base_ink_x_offset + base_ink_width - ink_rect[i].x - ink_rect[i].width; } - + /* Dot over SIN */ else if (gl == UNI_SIN_DOT && base_char == UNI_SHIN) - { + { x_offset[i] = base_ink_x_offset - ink_rect[i].x; } @@ -301,10 +301,10 @@ hebrew_shaper_get_cluster_kerning(gunichar *cluster, SHIN or VAV should stick out a bit to the left. */ else if ((gl == UNI_SIN_DOT || gl == UNI_HOLAM) && base_char != UNI_SHIN && base_char != UNI_VAV) - { + { x_offset[i] = base_ink_x_offset -ink_rect[i].x - ink_rect[i].width * 3/ 2; } - + /* VOWELS under resh or vav are right aligned, if they are narrower than the characters. Otherwise they are centered. */ @@ -316,7 +316,7 @@ hebrew_shaper_get_cluster_kerning(gunichar *cluster, && ((gl >= UNI_SHEVA && gl <= UNI_QAMATS) || gl == UNI_QUBUTS) && ink_rect[i].width < base_ink_width - ) + ) { x_offset[i] = base_ink_x_offset + base_ink_width - ink_rect[i].x - ink_rect[i].width; @@ -327,7 +327,7 @@ hebrew_shaper_get_cluster_kerning(gunichar *cluster, else if ((base_char == UNI_FINAL_KAF ) && ((gl >= UNI_SHEVA && gl <= UNI_QAMATS) || - gl == UNI_QUBUTS)) + gl == UNI_QUBUTS)) { /* x are at 1/3 to take into accoun the stem */ x_offset[i] = base_ink_x_offset - ink_rect[i].x @@ -338,14 +338,14 @@ hebrew_shaper_get_cluster_kerning(gunichar *cluster, + base_ink_height * 1/2 - ink_rect[i].height/2; } - + /* MAPIQ in PE or FINAL PE */ else if (gl == UNI_MAPIQ && (base_char == UNI_PE || base_char == UNI_FINAL_PE)) { x_offset[i]= base_ink_x_offset - ink_rect[i].x + base_ink_width * 2/3 - ink_rect[i].width/2; - + /* Another option is to offset the MAPIQ in y... glyphs->glyphs[cluster_start_idx+i].geometry.y_offset -= base_ink_height/5; */ @@ -364,7 +364,7 @@ hebrew_shaper_get_cluster_kerning(gunichar *cluster, && base_char == UNI_YOD) { x_offset[i]= base_ink_x_offset - ink_rect[i].x; - + /* Lower left in y */ y_offset[i] = base_ink_y_offset - ink_rect[i].y + base_ink_height - ink_rect[i].height*1.75; @@ -381,13 +381,13 @@ hebrew_shaper_get_cluster_kerning(gunichar *cluster, width[cluster_length-1] += ink_rect[i].width*(1+space-kern); } - + } /* VOWEL DOT next to any other character */ else if ((gl == UNI_SIN_DOT || gl == UNI_HOLAM) && (base_char != UNI_VAV)) - { + { x_offset[i] = base_ink_x_offset -ink_rect[i].x; } @@ -425,12 +425,12 @@ hebrew_shaper_get_cluster_kerning(gunichar *cluster, /* Center by default */ else - { + { x_offset[i] = base_ink_x_offset - ink_rect[i].x + base_ink_width/2 - ink_rect[i].width/2; } } - + } void @@ -439,16 +439,16 @@ hebrew_shaper_swap_range (PangoGlyphString *glyphs, int end) { int i, j; - + for (i = start, j = end - 1; i < j; i++, j--) { PangoGlyphInfo glyph_info; gint log_cluster; - + glyph_info = glyphs->glyphs[i]; glyphs->glyphs[i] = glyphs->glyphs[j]; glyphs->glyphs[j] = glyph_info; - + log_cluster = glyphs->log_clusters[i]; glyphs->log_clusters[i] = glyphs->log_clusters[j]; glyphs->log_clusters[j] = log_cluster; @@ -459,10 +459,10 @@ void hebrew_shaper_bidi_reorder(PangoGlyphString *glyphs) { int start, end; - + /* Swap all glyphs */ hebrew_shaper_swap_range (glyphs, 0, glyphs->num_glyphs); - + /* Now reorder glyphs within each cluster back to LTR */ for (start = 0; start < glyphs->num_glyphs;) { @@ -470,7 +470,7 @@ hebrew_shaper_bidi_reorder(PangoGlyphString *glyphs) while (end < glyphs->num_glyphs && glyphs->log_clusters[end] == glyphs->log_clusters[start]) end++; - + hebrew_shaper_swap_range (glyphs, start, end); start = end; } |