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/* imposter (OO.org Impress viewer)
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** Copyright (C) 2003-2005 Gurer Ozen
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** This code is free software; you can redistribute it and/or
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** modify it under the terms of GNU General Public License.
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render_object(ImpRenderCtx *ctx, void *drw_data, iks *node)
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if (strcmp(tag, "draw:g") == 0) {
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for (x = iks_first_tag(node); x; x = iks_next_tag(x)) {
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render_object(ctx, drw_data, x);
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} else if (strcmp(tag, "draw:frame") == 0) {
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for (x = iks_first_tag(node); x; x = iks_next_tag(x)) {
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render_object(ctx, drw_data, x);
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} else if (strcmp(tag, "draw:line") == 0) {
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r_get_color(ctx, node, "svg:stroke-color", &fg);
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ctx->drw->set_fg_color(drw_data, &fg);
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ctx->drw->draw_line(drw_data,
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r_get_x(ctx, node, "svg:x1"), r_get_y(ctx, node, "svg:y1"),
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r_get_x(ctx, node, "svg:x2"), r_get_y(ctx, node, "svg:y2")
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} else if (strcmp(tag, "draw:rect") == 0) {
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int x, y, w, h, r = 0;
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x = r_get_x(ctx, node, "svg:x");
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y = r_get_y(ctx, node, "svg:y");
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w = r_get_x(ctx, node, "svg:width");
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h = r_get_y(ctx, node, "svg:height");
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t = r_get_style(ctx, node, "draw:corner-radius");
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if (t) r = atof(t) * ctx->fact_x;
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if (r_get_style(ctx, node, "draw:fill")) {
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r_get_color(ctx, node, "draw:fill-color", &fg);
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ctx->drw->set_fg_color(drw_data, &fg);
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_imp_draw_rect(ctx, drw_data, 1, x, y, w, h, r);
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r_get_color(ctx, node, "svg:stroke-color", &fg);
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ctx->drw->set_fg_color(drw_data, &fg);
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_imp_draw_rect(ctx, drw_data, 0, x, y, w, h, r);
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r_text(ctx, drw_data, node);
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} else if (strcmp(tag, "draw:ellipse") == 0 || strcmp(tag, "draw:circle") == 0) {
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r_get_color(ctx, node, "svg:stroke-color", &fg);
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sa = r_get_angle(node, "draw:start-angle", 0);
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ea = r_get_angle(node, "draw:end-angle", 360);
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if (ea > sa) ea = ea - sa; else ea = 360 + ea - sa;
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t = r_get_style(ctx, node, "draw:fill");
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ctx->drw->set_fg_color(drw_data, &fg);
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ctx->drw->draw_arc(drw_data,
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r_get_x(ctx, node, "svg:x"), r_get_y(ctx, node, "svg:y"),
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r_get_x(ctx, node, "svg:width"), r_get_y(ctx, node, "svg:height"),
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} else if (strcmp(tag, "draw:polygon") == 0) {
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r_polygon(ctx, drw_data, node);
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} else if (strcmp(tag, "draw:text-box") == 0) {
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r_text(ctx, drw_data, node);
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} else if (strcmp(tag, "draw:image") == 0) {
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name = iks_find_attrib(node, "xlink:href");
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if (name[0] == '#') ++name;
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_imp_draw_image(ctx, drw_data,
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r_get_x(ctx, node, "svg:x"),
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r_get_y(ctx, node, "svg:y"),
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r_get_x(ctx, node, "svg:width"),
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r_get_y(ctx, node, "svg:height")
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printf("Unknown element: %s\n", tag);
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render_page(ImpRenderCtx *ctx, void *drw_data)
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i = _imp_fill_back(ctx, drw_data, ctx->page->page);
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element = iks_find_attrib(ctx->page->page, "draw:master-page-name");
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x = iks_find_with_attrib(
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iks_find(ctx->page->doc->styles, "office:master-styles"),
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"style:master-page", "style:name", element
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if (i == 0) _imp_fill_back(ctx, drw_data, x);
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for (x = iks_first_tag(x); x; x = iks_next_tag(x)) {
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if (iks_find_attrib(x, "presentation:class"))
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render_object(ctx, drw_data, x);
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for (x = iks_first_tag(ctx->page->page); x; x = iks_next_tag(x)) {
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render_object(ctx, drw_data, x);
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get_geometry(ImpRenderCtx *ctx)
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tmp = iks_find_attrib(ctx->page->page, "draw:master-page-name");
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x = iks_find(ctx->page->doc->styles, "office:master-styles");
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y = iks_find_with_attrib(x, "style:master-page", "style:name", tmp);
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x = iks_find(ctx->page->doc->styles, "office:automatic-styles");
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y = iks_find_with_attrib(x, "style:page-layout", "style:name",
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iks_find_attrib(y, "style:page-layout-name"));
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ctx->cm_w = atof(iks_find_attrib(iks_find(y, "style:page-layout-properties"), "fo:page-width"));
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ctx->cm_h = atof(iks_find_attrib(iks_find(y, "style:page-layout-properties"), "fo:page-height"));
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_imp_oasis_load(ImpDoc *doc)
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pres = iks_find(iks_find(doc->content, "office:body"), "office:presentation");
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if (!pres) return IMP_NOTIMP;
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x = iks_find(pres, "draw:page");
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if (!x) return IMP_NOTIMP;
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for (; x; x = iks_next_tag(x)) {
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if (strcmp(iks_name(x), "draw:page") == 0) {
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page = iks_stack_alloc(doc->stack, sizeof(ImpPage));
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if (!page) return IMP_NOMEM;
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memset(page, 0, sizeof(ImpPage));
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page->name = iks_find_attrib(x, "draw:name");
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if (!doc->pages) doc->pages = page;
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page->prev = doc->last_page;
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if (doc->last_page) doc->last_page->next = page;
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doc->last_page = page;
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doc->get_geometry = get_geometry;
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doc->render_page = render_page;