diff options
Diffstat (limited to 'backend/impress/r_text.c')
| -rw-r--r-- | backend/impress/r_text.c | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/backend/impress/r_text.c b/backend/impress/r_text.c deleted file mode 100644 index 4b89bcad..00000000 --- a/backend/impress/r_text.c +++ /dev/null @@ -1,386 +0,0 @@ -/* imposter (OO.org Impress viewer) -** Copyright (C) 2003-2005 Gurer Ozen -** This code is free software; you can redistribute it and/or -** modify it under the terms of GNU General Public License. -*/ - -#include <config.h> -#include "common.h" -#include "internal.h" - -struct Span { - struct Span *next; - int x, y; - int w, h; - char *text; - int len; - int size; - int styles; - ImpColor fg; -}; - -struct Line { - struct Line *next; - struct Span *spans; - struct Span *last_span; - int x, y; - int w, h; -}; - -struct Layout { - ikstack *s; - int x, y, w, h; - int tw, th; - struct Line *lines; - struct Line *last_line; - char spaces[128]; -}; - -static struct Line * -add_line(struct Layout *lay) -{ - struct Line *line; - - line = iks_stack_alloc(lay->s, sizeof(struct Line)); - memset(line, 0, sizeof(struct Line)); - - if (!lay->lines) lay->lines = line; - if (lay->last_line) lay->last_line->next = line; - lay->last_line = line; - - return line; -} - -static struct Span * -add_span(struct Layout *lay, char *text, int len, int size, int styles) -{ - struct Line *line; - struct Span *span; - - span = iks_stack_alloc(lay->s, sizeof(struct Span)); - memset(span, 0, sizeof(struct Span)); - span->text = text; - span->len = len; - span->size = size; - span->styles = styles; - - line = lay->last_line; - if (!line) line = add_line(lay); - if (line->spans) { - span->x = line->last_span->x + line->last_span->w; - span->y = line->last_span->y; - } else { - span->x = line->x; - span->y = line->y; - } - - if (!line->spans) line->spans = span; - if (line->last_span) line->last_span->next = span; - line->last_span = span; - - return span; -} - -static void -calc_sizes(ImpRenderCtx *ctx, void *drw_data, struct Layout *lay) -{ - struct Line *line; - struct Span *span; - - for (line = lay->lines; line; line = line->next) { - for (span = line->spans; span; span = span->next) { - ctx->drw->get_text_size(drw_data, - span->text, span->len, - span->size, span->styles, - &span->w, &span->h - ); - line->w += span->w; - if (span->h > line->h) line->h = span->h; - } - if (line->w > lay->tw) lay->tw = line->w; - lay->th += line->h; - } -} - -static void -calc_pos(ImpRenderCtx *ctx, struct Layout *lay) -{ - struct Line *line; - struct Span *span; - int x, y, x2; - - x = lay->x; - y = lay->y; - for (line = lay->lines; line; line = line->next) { - line->x = x; - line->y = y; - y += line->h; - x2 = x; - for (span = line->spans; span; span = span->next) { - span->x = x2; - span->y = y; - x2 += span->w; - } - } -} - -static void -_imp_draw_layout(ImpRenderCtx *ctx, void *drw_data, struct Layout *lay) -{ - struct Line *line; - struct Span *span; - - for (line = lay->lines; line; line = line->next) { - for (span = line->spans; span; span = span->next) { - ctx->drw->set_fg_color(drw_data, &span->fg); - ctx->drw->draw_text(drw_data, - span->x, span->y, - span->text, span->len, - span->size, - span->styles - ); - } - } -} - -static void -text_span(ImpRenderCtx *ctx, struct Layout *lay, iks *node, char *text, size_t len) -{ - struct Span *span; - double cm; - char *attr, *t, *s; - int px = 0, cont = 1; - int styles = IMP_NORMAL; - - attr = r_get_style(ctx, node, "fo:font-size"); - if (attr) { - cm = atof(attr); - if (strstr(attr, "pt")) cm = cm * 2.54 / 102; - px = cm * ctx->fact_y; - } - attr = r_get_style(ctx, node, "fo:font-weight"); - if (attr && strcmp(attr, "bold") == 0) styles |= IMP_BOLD; - attr = r_get_style(ctx, node, "style:text-underline"); - if (attr && strcmp(attr, "single") == 0) styles |= IMP_UNDERLINE; - attr = r_get_style(ctx, node, "fo:font-style"); - if (attr && strcmp(attr, "italic") == 0) styles |= IMP_ITALIC; - - t = text; - while (cont) { - s = strchr(t, '\n'); - if (s) { - int len2 = s - t; - span = add_span(lay, t, len2, px, styles); - t = s + 1; - len -= len2; - add_line(lay); - } else { - span = add_span(lay, text, len, px, styles); - cont = 0; - } - r_get_color(ctx, node, "fo:color", &span->fg); - } -} - -static void -text_p(ImpRenderCtx *ctx, struct Layout *lay, iks *node) -{ - iks *n, *n2; - - add_line(lay); - for (n = iks_child(node); n; n = iks_next(n)) { - if (iks_type(n) == IKS_CDATA) { - text_span(ctx, lay, node, iks_cdata(n), iks_cdata_size(n)); - } else if (iks_strcmp(iks_name(n), "text:span") == 0) { - for (n2 = iks_child(n); n2; n2 = iks_next(n2)) { - if (iks_type(n2) == IKS_CDATA) { - text_span(ctx, lay, n2, iks_cdata(n2), iks_cdata_size(n2)); - } else if (iks_strcmp(iks_name(n2), "text:s") == 0) { - char *attr; - int c = 1; - attr = iks_find_attrib(n2, "text:c"); - if (attr) c = atoi(attr); - if (c > 127) { - c = 127; - puts("bork bork"); - } - text_span(ctx, lay, n, lay->spaces, c); - } else if (iks_strcmp(iks_name(n2), "text:a") == 0) { - text_span(ctx, lay, n, iks_cdata(iks_child(n2)), iks_cdata_size(iks_child(n2))); - } else if (iks_strcmp(iks_name(n2), "text:tab-stop") == 0) { - text_span(ctx, lay, n, "\t", 1); - } else if (iks_strcmp(iks_name(n2), "text:page-number") == 0) { - char buf[8]; - sprintf(buf, "%d", ctx->page->nr); - text_span(ctx, lay, n, iks_stack_strdup(lay->s, buf, 0), strlen(buf)); - } - } - } else if (iks_strcmp(iks_name(n), "text:line-break") == 0) { - add_line(lay); - } else if (iks_strcmp(iks_name(n), "text:a") == 0) { - text_span(ctx, lay, n, iks_cdata(iks_child(n)), iks_cdata_size(iks_child(n))); - } else if (iks_strcmp(iks_name(n), "text:page-number") == 0) { - char buf[8]; - sprintf(buf, "%d", ctx->page->nr); - text_span(ctx, lay, n, iks_stack_strdup(lay->s, buf, 0), strlen(buf)); - } - } -} - -static void -text_list(ImpRenderCtx *ctx, struct Layout *lay, iks *node) -{ - iks *n, *n2; - - for (n = iks_first_tag(node); n; n = iks_next_tag(n)) { - for (n2 = iks_first_tag(n); n2; n2 = iks_next_tag(n2)) { - if (strcmp(iks_name(n2), "text:p") == 0) { - text_p(ctx, lay, n2); - } else if (strcmp(iks_name(n2), "text:ordered-list") == 0) { - text_list(ctx, lay, n2); - } else if (strcmp(iks_name(n2), "text:unordered-list") == 0) { - text_list(ctx, lay, n2); - } else if (strcmp(iks_name(n2), "text:list") == 0) { - text_list(ctx, lay, n2); - } - } - } -} - -void -r_text(ImpRenderCtx *ctx, void *drw_data, iks *node) -{ - struct Layout lay; - iks *n; - - memset(&lay, 0, sizeof(struct Layout)); - memset(&lay.spaces, ' ', 128); - lay.s = iks_stack_new(sizeof(struct Span) * 16, 0); - lay.x = r_get_x(ctx, node, "svg:x"); - lay.y = r_get_y(ctx, node, "svg:y"); - lay.w = r_get_y(ctx, node, "svg:width"); - lay.h = r_get_y(ctx, node, "svg:height"); - - for (n = iks_first_tag(node); n; n = iks_next_tag(n)) { - if (strcmp(iks_name(n), "text:p") == 0) { - text_p(ctx, &lay, n); - } else if (strcmp(iks_name(n), "text:ordered-list") == 0) { - text_list(ctx, &lay, n); - } else if (strcmp(iks_name(n), "text:unordered-list") == 0) { - text_list(ctx, &lay, n); - } else if (strcmp(iks_name(n), "text:list") == 0) { - text_list(ctx, &lay, n); - } - } - - calc_sizes(ctx, drw_data, &lay); - calc_pos(ctx, &lay); - _imp_draw_layout(ctx, drw_data, &lay); - - iks_stack_delete(lay.s); -} -/* -static void -text_span (render_ctx *ctx, text_ctx *tc, struct layout_s *lout, iks *node, char *text, int len) -{ - if (tc->bullet_flag && tc->bullet_sz) size = tc->bullet_sz; else size = r_get_font_size (ctx, tc, node); -} - -static int -is_animated (render_ctx *ctx, text_ctx *tc, iks *node) -{ - if (!ctx->step_mode) return 0; - if (!tc->id) return 0; - while (strcmp (iks_name (node), "draw:page") != 0 - && strcmp (iks_name (node), "style:master-page") != 0) - node = iks_parent (node); - node = iks_find (node, "presentation:animations"); - if (!node) return 0; - if (iks_find_with_attrib (node, "presentation:show-text", "draw:shape-id", tc->id)) return 1; - return 0; -} - -static void -text_p (render_ctx *ctx, text_ctx *tc, iks *node) -{ - if (is_animated (ctx, tc, node) && ctx->step_cnt >= ctx->step) lout->flag = 0; - ctx->step_cnt++; - - attr = r_get_style (ctx, node, "text:enable-numbering"); - if (attr && strcmp (attr, "true") == 0) { - if (iks_child (node) && tc->bullet) { - tc->bullet_flag = 1; - text_span (ctx, tc, lout, node, tc->bullet, strlen (tc->bullet)); - text_span (ctx, tc, lout, node, " ", 1); - tc->bullet_flag = 0; - } - } - - if (!lout->text) { -lout->h = 0; -attr = r_get_style (ctx, node, "fo:line-height"); -if (attr) { - int ratio = atoi (attr); - lout->lh = ratio; -} else { - lout->lh = 100; -} -tc->layouts = g_list_append (tc->layouts, lout); -// g_object_unref (lout->play); -// iks_stack_delete (s); - return; - } - - attr = r_get_style (ctx, node, "fo:text-align"); - if (attr) { - if (strcmp (attr, "center") == 0) - pango_layout_set_alignment (lout->play, PANGO_ALIGN_CENTER); - else if (strcmp (attr, "end") == 0) - pango_layout_set_alignment (lout->play, PANGO_ALIGN_RIGHT); - } - pango_layout_set_width (lout->play, tc->w * PANGO_SCALE); - pango_layout_set_markup (lout->play, lout->text, lout->text_len); - pango_layout_get_pixel_size (lout->play, &lout->w, &lout->h); - attr = r_get_style (ctx, node, "fo:line-height"); - if (attr) { - int ratio = atoi (attr); - lout->lh = ratio; - } else { - lout->lh = 100; - } - tc->layouts = g_list_append (tc->layouts, lout); -} - -static void -find_bullet (render_ctx *ctx, text_ctx *tc, iks *node) -{ - iks *x; - char *t; - x = r_get_bullet (ctx, node, "text:list-level-style-bullet"); - x = iks_find (x, "text:list-level-style-bullet"); - t = iks_find_attrib (x, "text:bullet-char"); - if (t) tc->bullet = t; else tc->bullet = "*"; - x = iks_find (x, "style:properties"); - t = iks_find_attrib (x, "fo:font-size"); - if (t) tc->bullet_sz = tc->last_sz * atoi (t) / 100; - else tc->bullet_sz = 0; -} - -void -r_text (render_ctx *ctx, iks *node) -{ - tc.id = iks_find_attrib (node, "draw:id"); - ctx->step_cnt = 0; - for (n = iks_first_tag (node); n; n = iks_next_tag (n)) { - if (strcmp (iks_name (n), "text:p") == 0) { - text_p (ctx, &tc, n); - } else if (strcmp (iks_name (n), "text:ordered-list") == 0) { - text_list (ctx, &tc, n); - } else if (strcmp (iks_name (n), "text:unordered-list") == 0) { - find_bullet (ctx, &tc, n); - text_list (ctx, &tc, n); - tc.bullet = 0; - } - } - -*/ |