inicial

1 files changed, 170 insertions, 0 deletions

diff --git a/backend/impress/f_oasis.c b/backend/impress/f_oasis.c
new file mode 100644
index 00000000..8fe6ee1a
--- /dev/null
+++ b/backend/impress/f_oasis.c
@@ -0,0 +1,170 @@
+/* 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"
+
+static void
+render_object(ImpRenderCtx *ctx, void *drw_data, iks *node)
+{
+	char *tag, *t;
+	ImpColor fg;
+
+	tag = iks_name(node);
+	if (strcmp(tag, "draw:g") == 0) {
+		iks *x;
+		for (x = iks_first_tag(node); x; x = iks_next_tag(x)) {
+			render_object(ctx, drw_data, x);
+		}
+	} else if (strcmp(tag, "draw:frame") == 0) {
+		iks *x;
+		for (x = iks_first_tag(node); x; x = iks_next_tag(x)) {
+			render_object(ctx, drw_data, x);
+		}
+	} else if (strcmp(tag, "draw:line") == 0) {
+		r_get_color(ctx, node, "svg:stroke-color", &fg);
+		ctx->drw->set_fg_color(drw_data, &fg);
+		ctx->drw->draw_line(drw_data,
+			r_get_x(ctx, node, "svg:x1"), r_get_y(ctx, node, "svg:y1"),
+			r_get_x(ctx, node, "svg:x2"), r_get_y(ctx, node, "svg:y2")
+		);
+	} else if (strcmp(tag, "draw:rect") == 0) {
+		int x, y, w, h, r = 0;
+		char *t;
+		x = r_get_x(ctx, node, "svg:x");
+		y = r_get_y(ctx, node, "svg:y");
+		w = r_get_x(ctx, node, "svg:width");
+		h = r_get_y(ctx, node, "svg:height");
+		t = r_get_style(ctx, node, "draw:corner-radius");
+		if (t) r = atof(t) * ctx->fact_x;
+		if (r_get_style(ctx, node, "draw:fill")) {
+			r_get_color(ctx, node, "draw:fill-color", &fg);
+			ctx->drw->set_fg_color(drw_data, &fg);
+			_imp_draw_rect(ctx, drw_data, 1, x, y, w, h, r);
+		}
+		r_get_color(ctx, node, "svg:stroke-color", &fg);
+		ctx->drw->set_fg_color(drw_data, &fg);
+		_imp_draw_rect(ctx, drw_data, 0, x, y, w, h, r);
+		r_text(ctx, drw_data, node);
+	} else if (strcmp(tag, "draw:ellipse") == 0 || strcmp(tag, "draw:circle") == 0) {
+		int sa, ea, fill = 0;
+		r_get_color(ctx, node, "svg:stroke-color", &fg);
+		sa = r_get_angle(node, "draw:start-angle", 0);
+		ea = r_get_angle(node, "draw:end-angle", 360);
+		if (ea > sa) ea = ea - sa; else ea = 360 + ea - sa;
+		t = r_get_style(ctx, node, "draw:fill");
+		if (t) fill = 1;
+		ctx->drw->set_fg_color(drw_data, &fg);
+		ctx->drw->draw_arc(drw_data,
+			fill,
+			r_get_x(ctx, node, "svg:x"), r_get_y(ctx, node, "svg:y"),
+			r_get_x(ctx, node, "svg:width"), r_get_y(ctx, node, "svg:height"),
+			sa, ea
+		);
+	} else if (strcmp(tag, "draw:polygon") == 0) {
+		// FIXME:
+		r_polygon(ctx, drw_data, node);
+	} else if (strcmp(tag, "draw:text-box") == 0) {
+		// FIXME:
+		r_text(ctx, drw_data, node);
+	} else if (strcmp(tag, "draw:image") == 0) {
+		char *name;
+
+		name = iks_find_attrib(node, "xlink:href");
+		if (!name) return;
+		if (name[0] == '#') ++name;
+
+		_imp_draw_image(ctx, drw_data,
+			name,
+			r_get_x(ctx, node, "svg:x"),
+			r_get_y(ctx, node, "svg:y"),
+			r_get_x(ctx, node, "svg:width"),
+			r_get_y(ctx, node, "svg:height")
+		);
+	} else {
+		printf("Unknown element: %s\n", tag);
+	}
+}
+
+static void
+render_page(ImpRenderCtx *ctx, void *drw_data)
+{
+	iks *x;
+	char *element;
+	int i;
+
+	i = _imp_fill_back(ctx, drw_data, ctx->page->page);
+	element = iks_find_attrib(ctx->page->page, "draw:master-page-name");
+	if (element) {
+		x = iks_find_with_attrib(
+			iks_find(ctx->page->doc->styles, "office:master-styles"),
+			"style:master-page", "style:name", element
+		);
+		if (x) {
+			if (i == 0) _imp_fill_back(ctx, drw_data, x);
+			for (x = iks_first_tag(x); x; x = iks_next_tag(x)) {
+				if (iks_find_attrib(x, "presentation:class"))
+					continue;
+				render_object(ctx, drw_data, x);
+			}
+		}
+	}
+	for (x = iks_first_tag(ctx->page->page); x; x = iks_next_tag(x)) {
+		render_object(ctx, drw_data, x);
+	}
+}
+
+static void
+get_geometry(ImpRenderCtx *ctx)
+{
+	char *tmp;
+	iks *x, *y;
+
+	tmp = iks_find_attrib(ctx->page->page, "draw:master-page-name");
+	x = iks_find(ctx->page->doc->styles, "office:master-styles");
+	y = iks_find_with_attrib(x, "style:master-page", "style:name", tmp);
+	x = iks_find(ctx->page->doc->styles, "office:automatic-styles");
+	y = iks_find_with_attrib(x, "style:page-layout", "style:name",
+		iks_find_attrib(y, "style:page-layout-name"));
+	ctx->cm_w = atof(iks_find_attrib(iks_find(y, "style:page-layout-properties"), "fo:page-width"));
+	ctx->cm_h = atof(iks_find_attrib(iks_find(y, "style:page-layout-properties"), "fo:page-height"));
+}
+
+int
+_imp_oasis_load(ImpDoc *doc)
+{
+	ImpPage *page;
+	iks *x, *pres;
+	int i;
+
+	pres = iks_find(iks_find(doc->content, "office:body"), "office:presentation");
+	if (!pres) return IMP_NOTIMP;
+
+	x = iks_find(pres, "draw:page");
+	if (!x) return IMP_NOTIMP;
+	i = 0;
+	for (; x; x = iks_next_tag(x)) {
+		if (strcmp(iks_name(x), "draw:page") == 0) {
+			page = iks_stack_alloc(doc->stack, sizeof(ImpPage));
+			if (!page) return IMP_NOMEM;
+			memset(page, 0, sizeof(ImpPage));
+			page->page = x;
+			page->nr = ++i;
+			page->name = iks_find_attrib(x, "draw:name");
+			page->doc = doc;
+			if (!doc->pages) doc->pages = page;
+			page->prev = doc->last_page;
+			if (doc->last_page) doc->last_page->next = page;
+			doc->last_page = page;
+		}
+	}
+	doc->nr_pages = i;
+	doc->get_geometry = get_geometry;
+	doc->render_page = render_page;
+
+	return 0;
+}