1 /* imposter (OO.org Impress viewer)
2 ** Copyright (C) 2003-2005 Gurer Ozen
3 ** This code is free software; you can redistribute it and/or
4 ** modify it under the terms of GNU General Public License.
24 struct Span *last_span;
34 struct Line *last_line;
39 add_line(struct Layout *lay)
43 line = iks_stack_alloc(lay->s, sizeof(struct Line));
44 memset(line, 0, sizeof(struct Line));
46 if (!lay->lines) lay->lines = line;
47 if (lay->last_line) lay->last_line->next = line;
48 lay->last_line = line;
54 add_span(struct Layout *lay, char *text, int len, int size, int styles)
59 span = iks_stack_alloc(lay->s, sizeof(struct Span));
60 memset(span, 0, sizeof(struct Span));
64 span->styles = styles;
66 line = lay->last_line;
67 if (!line) line = add_line(lay);
69 span->x = line->last_span->x + line->last_span->w;
70 span->y = line->last_span->y;
76 if (!line->spans) line->spans = span;
77 if (line->last_span) line->last_span->next = span;
78 line->last_span = span;
84 calc_sizes(ImpRenderCtx *ctx, void *drw_data, struct Layout *lay)
89 for (line = lay->lines; line; line = line->next) {
90 for (span = line->spans; span; span = span->next) {
91 ctx->drw->get_text_size(drw_data,
92 span->text, span->len,
93 span->size, span->styles,
97 if (span->h > line->h) line->h = span->h;
99 if (line->w > lay->tw) lay->tw = line->w;
105 calc_pos(ImpRenderCtx *ctx, struct Layout *lay)
113 for (line = lay->lines; line; line = line->next) {
118 for (span = line->spans; span; span = span->next) {
127 _imp_draw_layout(ImpRenderCtx *ctx, void *drw_data, struct Layout *lay)
132 for (line = lay->lines; line; line = line->next) {
133 for (span = line->spans; span; span = span->next) {
134 ctx->drw->set_fg_color(drw_data, &span->fg);
135 ctx->drw->draw_text(drw_data,
137 span->text, span->len,
146 text_span(ImpRenderCtx *ctx, struct Layout *lay, iks *node, char *text, size_t len)
151 int px = 0, cont = 1;
152 int styles = IMP_NORMAL;
154 attr = r_get_style(ctx, node, "fo:font-size");
157 if (strstr(attr, "pt")) cm = cm * 2.54 / 102;
158 px = cm * ctx->fact_y;
160 attr = r_get_style(ctx, node, "fo:font-weight");
161 if (attr && strcmp(attr, "bold") == 0) styles |= IMP_BOLD;
162 attr = r_get_style(ctx, node, "style:text-underline");
163 if (attr && strcmp(attr, "single") == 0) styles |= IMP_UNDERLINE;
164 attr = r_get_style(ctx, node, "fo:font-style");
165 if (attr && strcmp(attr, "italic") == 0) styles |= IMP_ITALIC;
172 span = add_span(lay, t, len2, px, styles);
177 span = add_span(lay, text, len, px, styles);
180 r_get_color(ctx, node, "fo:color", &span->fg);
185 text_p(ImpRenderCtx *ctx, struct Layout *lay, iks *node)
190 for (n = iks_child(node); n; n = iks_next(n)) {
191 if (iks_type(n) == IKS_CDATA) {
192 text_span(ctx, lay, node, iks_cdata(n), iks_cdata_size(n));
193 } else if (iks_strcmp(iks_name(n), "text:span") == 0) {
194 for (n2 = iks_child(n); n2; n2 = iks_next(n2)) {
195 if (iks_type(n2) == IKS_CDATA) {
196 text_span(ctx, lay, n2, iks_cdata(n2), iks_cdata_size(n2));
197 } else if (iks_strcmp(iks_name(n2), "text:s") == 0) {
200 attr = iks_find_attrib(n2, "text:c");
201 if (attr) c = atoi(attr);
206 text_span(ctx, lay, n, lay->spaces, c);
207 } else if (iks_strcmp(iks_name(n2), "text:a") == 0) {
208 text_span(ctx, lay, n, iks_cdata(iks_child(n2)), iks_cdata_size(iks_child(n2)));
209 } else if (iks_strcmp(iks_name(n2), "text:tab-stop") == 0) {
210 text_span(ctx, lay, n, "\t", 1);
211 } else if (iks_strcmp(iks_name(n2), "text:page-number") == 0) {
213 sprintf(buf, "%d", ctx->page->nr);
214 text_span(ctx, lay, n, iks_stack_strdup(lay->s, buf, 0), strlen(buf));
217 } else if (iks_strcmp(iks_name(n), "text:line-break") == 0) {
219 } else if (iks_strcmp(iks_name(n), "text:a") == 0) {
220 text_span(ctx, lay, n, iks_cdata(iks_child(n)), iks_cdata_size(iks_child(n)));
221 } else if (iks_strcmp(iks_name(n), "text:page-number") == 0) {
223 sprintf(buf, "%d", ctx->page->nr);
224 text_span(ctx, lay, n, iks_stack_strdup(lay->s, buf, 0), strlen(buf));
230 text_list(ImpRenderCtx *ctx, struct Layout *lay, iks *node)
234 for (n = iks_first_tag(node); n; n = iks_next_tag(n)) {
235 for (n2 = iks_first_tag(n); n2; n2 = iks_next_tag(n2)) {
236 if (strcmp(iks_name(n2), "text:p") == 0) {
237 text_p(ctx, lay, n2);
238 } else if (strcmp(iks_name(n2), "text:ordered-list") == 0) {
239 text_list(ctx, lay, n2);
240 } else if (strcmp(iks_name(n2), "text:unordered-list") == 0) {
241 text_list(ctx, lay, n2);
242 } else if (strcmp(iks_name(n2), "text:list") == 0) {
243 text_list(ctx, lay, n2);
250 r_text(ImpRenderCtx *ctx, void *drw_data, iks *node)
255 memset(&lay, 0, sizeof(struct Layout));
256 memset(&lay.spaces, ' ', 128);
257 lay.s = iks_stack_new(sizeof(struct Span) * 16, 0);
258 lay.x = r_get_x(ctx, node, "svg:x");
259 lay.y = r_get_y(ctx, node, "svg:y");
260 lay.w = r_get_y(ctx, node, "svg:width");
261 lay.h = r_get_y(ctx, node, "svg:height");
263 for (n = iks_first_tag(node); n; n = iks_next_tag(n)) {
264 if (strcmp(iks_name(n), "text:p") == 0) {
265 text_p(ctx, &lay, n);
266 } else if (strcmp(iks_name(n), "text:ordered-list") == 0) {
267 text_list(ctx, &lay, n);
268 } else if (strcmp(iks_name(n), "text:unordered-list") == 0) {
269 text_list(ctx, &lay, n);
270 } else if (strcmp(iks_name(n), "text:list") == 0) {
271 text_list(ctx, &lay, n);
275 calc_sizes(ctx, drw_data, &lay);
277 _imp_draw_layout(ctx, drw_data, &lay);
279 iks_stack_delete(lay.s);
283 text_span (render_ctx *ctx, text_ctx *tc, struct layout_s *lout, iks *node, char *text, int len)
285 if (tc->bullet_flag && tc->bullet_sz) size = tc->bullet_sz; else size = r_get_font_size (ctx, tc, node);
289 is_animated (render_ctx *ctx, text_ctx *tc, iks *node)
291 if (!ctx->step_mode) return 0;
292 if (!tc->id) return 0;
293 while (strcmp (iks_name (node), "draw:page") != 0
294 && strcmp (iks_name (node), "style:master-page") != 0)
295 node = iks_parent (node);
296 node = iks_find (node, "presentation:animations");
298 if (iks_find_with_attrib (node, "presentation:show-text", "draw:shape-id", tc->id)) return 1;
303 text_p (render_ctx *ctx, text_ctx *tc, iks *node)
305 if (is_animated (ctx, tc, node) && ctx->step_cnt >= ctx->step) lout->flag = 0;
308 attr = r_get_style (ctx, node, "text:enable-numbering");
309 if (attr && strcmp (attr, "true") == 0) {
310 if (iks_child (node) && tc->bullet) {
312 text_span (ctx, tc, lout, node, tc->bullet, strlen (tc->bullet));
313 text_span (ctx, tc, lout, node, " ", 1);
320 attr = r_get_style (ctx, node, "fo:line-height");
322 int ratio = atoi (attr);
327 tc->layouts = g_list_append (tc->layouts, lout);
328 // g_object_unref (lout->play);
329 // iks_stack_delete (s);
333 attr = r_get_style (ctx, node, "fo:text-align");
335 if (strcmp (attr, "center") == 0)
336 pango_layout_set_alignment (lout->play, PANGO_ALIGN_CENTER);
337 else if (strcmp (attr, "end") == 0)
338 pango_layout_set_alignment (lout->play, PANGO_ALIGN_RIGHT);
340 pango_layout_set_width (lout->play, tc->w * PANGO_SCALE);
341 pango_layout_set_markup (lout->play, lout->text, lout->text_len);
342 pango_layout_get_pixel_size (lout->play, &lout->w, &lout->h);
343 attr = r_get_style (ctx, node, "fo:line-height");
345 int ratio = atoi (attr);
350 tc->layouts = g_list_append (tc->layouts, lout);
354 find_bullet (render_ctx *ctx, text_ctx *tc, iks *node)
358 x = r_get_bullet (ctx, node, "text:list-level-style-bullet");
359 x = iks_find (x, "text:list-level-style-bullet");
360 t = iks_find_attrib (x, "text:bullet-char");
361 if (t) tc->bullet = t; else tc->bullet = "*";
362 x = iks_find (x, "style:properties");
363 t = iks_find_attrib (x, "fo:font-size");
364 if (t) tc->bullet_sz = tc->last_sz * atoi (t) / 100;
365 else tc->bullet_sz = 0;
369 r_text (render_ctx *ctx, iks *node)
371 tc.id = iks_find_attrib (node, "draw:id");
373 for (n = iks_first_tag (node); n; n = iks_next_tag (n)) {
374 if (strcmp (iks_name (n), "text:p") == 0) {
375 text_p (ctx, &tc, n);
376 } else if (strcmp (iks_name (n), "text:ordered-list") == 0) {
377 text_list (ctx, &tc, n);
378 } else if (strcmp (iks_name (n), "text:unordered-list") == 0) {
379 find_bullet (ctx, &tc, n);
380 text_list (ctx, &tc, n);