forked from enlightenment/efl
Evas textblock: Fixed word prerender, it now compiles and even mostly works, there are still some glitches (haven't benchmarked it though).
SVN revision: 56517
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e809000965
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b7cd0dbabb
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@ -30,7 +30,6 @@ struct prword
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struct cinfo
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{
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int gl;
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FT_UInt index;
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struct
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{
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@ -50,7 +49,7 @@ struct cinfo
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#if defined(METRIC_CACHE) || defined(WORD_CACHE)
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LK(lock_words); // for word cache call
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static Eina_Inlist *words = NULL;
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static struct prword *evas_font_word_prerender(RGBA_Draw_Context *dc, const Eina_Unicode *text, Evas_Text_Props *intl_props, int len, RGBA_Font *fn, RGBA_Font_Int *fi,int use_kerning);
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static struct prword *evas_font_word_prerender(RGBA_Draw_Context *dc, const Eina_Unicode *text, const Evas_Text_Props *intl_props, int len, RGBA_Font *fn, RGBA_Font_Int *fi,int use_kerning);
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#endif
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EAPI void
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@ -411,12 +410,12 @@ evas_common_font_draw_internal(RGBA_Image *dst, RGBA_Draw_Context *dc, RGBA_Font
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/* A fast strNlen would be nice (there is a wcsnlen strangely) */
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len = eina_unicode_strnlen(text,WORD_CACHE_MAXLEN);
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if (len > 2 && len < WORD_CACHE_MAXLEN)
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if (len > 2 && (len < WORD_CACHE_MAXLEN))
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{
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struct prword *word;
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word =
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evas_font_word_prerender(dc, text, (Evas_Text_Props *)intl_props,
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evas_font_word_prerender(dc, text, intl_props,
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len, fn, fi, use_kerning);
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if (word)
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{
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@ -893,21 +892,18 @@ evas_common_font_draw(RGBA_Image *dst, RGBA_Draw_Context *dc, RGBA_Font *fn, int
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/* Only used if cache is on */
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#if defined(METRIC_CACHE) || defined(WORD_CACHE)
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struct prword *
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evas_font_word_prerender(RGBA_Draw_Context *dc, const Eina_Unicode *in_text, Evas_Text_Props *intl_props, int len, RGBA_Font *fn, RGBA_Font_Int *fi,int use_kerning)
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evas_font_word_prerender(RGBA_Draw_Context *dc, const Eina_Unicode *in_text, const Evas_Text_Props *intl_props, int len, RGBA_Font *fn, RGBA_Font_Int *fi,int use_kerning)
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{
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int pen_x, pen_y;
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struct cinfo *metrics;
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const Eina_Unicode *text = in_text;
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int chr;
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FT_Face pface = NULL;
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FT_UInt prev_index;
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unsigned char *im;
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int width;
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int height, above, below, baseline, descent;
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int i,j;
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int char_index = 0; /* the index of the current char */
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struct prword *w;
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int last_delta = 0;
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int gl;
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EVAS_FONT_WALK_TEXT_INIT();
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# ifndef METRIC_CACHE
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gl = dc->font_ext.func.gl_new ? 1: 0;
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@ -928,61 +924,24 @@ evas_font_word_prerender(RGBA_Draw_Context *dc, const Eina_Unicode *in_text, Eva
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gl = dc->font_ext.func.gl_new ? 1: 0;
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pen_x = pen_y = 0;
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above = 0; below = 0; baseline = 0; height = 0; descent = 0;
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metrics = malloc(sizeof(struct cinfo) * len);
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/* First pass: Work out how big */
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for (char_index = 0, chr = 0 ; *text ; text++, char_index ++)
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/* First pass: Work out how big and populate */
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/* It's a bit hackish to use index and fg here as they are internal,
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* but that'll have to be good enough ATM */
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#ifdef OT_SUPPORT
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if (evas_common_font_ot_is_enabled() && intl_props->ot_data)
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{
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len = intl_props->ot_data->len;
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metrics = malloc(sizeof(struct cinfo) * len);
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EVAS_FONT_WALK_OT_TEXT_VISUAL_START()
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{
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struct cinfo *ci = metrics + char_index;
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ci->gl = *text;
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ci->index = evas_common_font_glyph_search(fn, &fi, ci->gl);
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LKL(fi->ft_mutex);
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if (fi->src->current_size != fi->size)
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{
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FTLOCK();
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FT_Activate_Size(fi->ft.size);
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FTUNLOCK();
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fi->src->current_size = fi->size;
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}
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ci->fg = evas_common_font_int_cache_glyph_get(fi, ci->index);
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if (!ci->fg)
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{
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LKU(fi->ft_mutex);
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continue;
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}
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EVAS_FONT_WALK_OT_TEXT_WORK(EINA_FALSE);
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/* Currently broken with invisible chars if (!visible) continue; */
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ci->index = index;
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ci->fg = fg;
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if ((use_kerning) && (prev_index) && (ci->index) &&
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(pface == fi->src->ft.face))
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{
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int kern = 0;
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# ifdef BIDI_SUPPORT
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/* if it's rtl, the kerning matching should be reversed, i.e prev
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* index is now the index and the other way around.
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* There is a slight exception when there are compositing chars
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* involved.*/
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if (intl_props && intl_props->props &&
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evas_bidi_is_rtl_char(intl_props, char_index) &&
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ci->fg->glyph->advance.x >> 16 > 0)
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{
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if (evas_common_font_query_kerning(fi, ci->index, prev_index, &kern))
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pen_x += EVAS_FONT_ROUND_26_6_TO_INT(kern);
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}
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else
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{
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if (evas_common_font_query_kerning(fi, prev_index, ci->index, &kern))
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pen_x += EVAS_FONT_ROUND_26_6_TO_INT(kern);
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}
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# else
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if (evas_common_font_query_kerning(fi, prev_index, ci->index, &kern))
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pen_x += EVAS_FONT_ROUND_26_6_TO_INT(kern);
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# endif
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}
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pface = fi->src->ft.face;
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LKU(fi->ft_mutex);
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if (gl)
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{
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ci->fg->ext_dat =dc->font_ext.func.gl_new(dc->font_ext.data,ci->fg);
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@ -997,26 +956,74 @@ evas_font_word_prerender(RGBA_Draw_Context *dc, const Eina_Unicode *in_text, Eva
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below = ci->bm.rows - ci->bm.h;
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if (below > descent) descent = below;
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if (above > baseline) baseline = above;
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ci->pos.x = pen_x + ci->fg->glyph_out->left;
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ci->pos.y = pen_y + ci->fg->glyph_out->top;
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pen_x += ci->fg->glyph->advance.x >> 16;
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prev_index = ci->index;
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ci->pos.x = EVAS_FONT_WALK_PEN_X + ci->fg->glyph_out->left;
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ci->pos.y = EVAS_FONT_WALK_PEN_Y + ci->fg->glyph_out->top;
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last_delta = EVAS_FONT_WALK_OT_X_ADV -
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(ci->bm.w + ci->fg->glyph_out->left);
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}
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EVAS_FONT_WALK_OT_TEXT_END();
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}
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else
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#endif
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{
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metrics = malloc(sizeof(struct cinfo) * len);
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EVAS_FONT_WALK_DEFAULT_TEXT_LOGICAL_START()
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{
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struct cinfo *ci = metrics + char_index;
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EVAS_FONT_WALK_DEFAULT_TEXT_WORK(EINA_FALSE);
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/* Currently broken with invisible chars if (!visible) continue; */
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ci->index = index;
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ci->fg = fg;
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if (gl)
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{
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ci->fg->ext_dat =dc->font_ext.func.gl_new(dc->font_ext.data,ci->fg);
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ci->fg->ext_dat_free = dc->font_ext.func.gl_free;
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}
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ci->bm.data = ci->fg->glyph_out->bitmap.buffer;
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ci->bm.w = MAX(ci->fg->glyph_out->bitmap.pitch,
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ci->fg->glyph_out->bitmap.width);
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ci->bm.rows = ci->fg->glyph_out->bitmap.rows;
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ci->bm.h = ci->fg->glyph_out->top;
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above = ci->bm.rows - (ci->bm.rows - ci->bm.h);
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below = ci->bm.rows - ci->bm.h;
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if (below > descent) descent = below;
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if (above > baseline) baseline = above;
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ci->pos.x = EVAS_FONT_WALK_PEN_X + ci->fg->glyph_out->left;
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ci->pos.y = EVAS_FONT_WALK_PEN_Y + ci->fg->glyph_out->top;
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last_delta = EVAS_FONT_WALK_DEFAULT_X_ADV -
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(ci->bm.w + ci->fg->glyph_out->left);
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}
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EVAS_FONT_WALK_DEFAULT_TEXT_END();
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}
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/* First loop done */
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width = pen_x;
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width = EVAS_FONT_WALK_PEN_X;
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if (last_delta < 0)
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width -= last_delta;
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width = (width & 0x7) ? width + (8 - (width & 0x7)) : width;
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height = baseline + descent;
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if (!gl)
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{
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im = calloc(height, width);
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for (i = 0 ; i < char_index ; i ++)
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for (i = 0 ; i < len ; i ++)
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{
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struct cinfo *ci = metrics + i;
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for (j = 0 ; j < ci->bm.rows ; j ++)
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memcpy(im + ci->pos.x + (j + baseline - ci->bm.h) * width, ci->bm.data + j * ci->bm.w, ci->bm.w);
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{
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int correction; /* Used to remove negative inset and such */
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if (ci->pos.x < 0)
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correction = -ci->pos.x;
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else
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correction = 0;
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memcpy(im + ci->pos.x + (j + baseline - ci->bm.h) * width +
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correction,
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ci->bm.data + j * ci->bm.w + correction,
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ci->bm.w - correction);
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}
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}
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}
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else
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@ -1034,7 +1041,9 @@ evas_font_word_prerender(RGBA_Draw_Context *dc, const Eina_Unicode *in_text, Eva
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save->size = fi->size;
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save->len = len;
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save->im = im;
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save->width = pen_x;
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save->width = EVAS_FONT_WALK_PEN_X;
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if (last_delta < 0)
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save->width += last_delta;
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save->roww = width;
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save->height = height;
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save->baseline = baseline;
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