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-rw-r--r--src/stylesheet.c580
1 files changed, 0 insertions, 580 deletions
diff --git a/src/stylesheet.c b/src/stylesheet.c
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index eb959c1..0000000
--- a/src/stylesheet.c
+++ /dev/null
@@ -1,580 +0,0 @@
-/*
- * stylesheet.c
- *
- * Colloquium - A tiny presentation program
- *
- * Copyright (c) 2011 Thomas White <taw@bitwiz.org.uk>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-#include "presentation.h"
-#include "stylesheet.h"
-#include "objects.h"
-#include "loadsave.h"
-
-
-struct _stylesheet
-{
- struct slide_template **slide_templates;
- int n_slide_templates;
-};
-
-
-struct slide_template *new_slide_template(StyleSheet *ss, const char *name)
-{
- struct slide_template *st;
- int n;
- struct slide_template **slide_templates_new;
-
- st = calloc(1, sizeof(*st));
- if ( st == NULL ) return NULL;
-
- st->name = strdup(name);
- st->frame_classes = NULL;
- st->n_frame_classes = 0;
- st->bgblocks = NULL;
- st->n_bgblocks = 0;
-
- n = ss->n_slide_templates;
-
- /* Resize to n_slide_templates * size of pointer */
- slide_templates_new = realloc(ss->slide_templates, (n+1)*sizeof(st));
- if ( slide_templates_new == NULL ) {
- free(st->name);
- free(st);
- return NULL;
- }
- ss->slide_templates = slide_templates_new;
- ss->slide_templates[n] = st;
- ss->n_slide_templates = n+1;
-
- return st;
-}
-
-
-struct frame_class *new_frame_class(struct slide_template *st, const char *name)
-{
- struct frame_class *fc;
- int n;
- struct frame_class **frame_classes_new;
-
- fc = calloc(1, sizeof(*fc));
- if ( fc == NULL ) return NULL;
-
- fc->name = strdup(name);
- fc->sc_prologue = NULL;
-
- n = st->n_frame_classes;
- frame_classes_new = realloc(st->frame_classes, (n+1)*sizeof(fc));
- if ( frame_classes_new == NULL ) {
- free(fc->name);
- free(fc);
- return NULL;
- }
- st->frame_classes = frame_classes_new;
- st->frame_classes[n] = fc;
- st->n_frame_classes = n+1;
-
- return fc;
-}
-
-
-static void free_frame_class(struct frame_class *fc)
-{
- free(fc->name);
- free(fc->sc_prologue);
-}
-
-
-static void free_bgblock(struct bgblock *bg)
-{
- free(bg->colour1);
- free(bg->colour2);
-}
-
-
-static void free_slide_template(struct slide_template *st)
-{
- int i;
-
- for ( i=0; i<st->n_frame_classes; i++ ) {
- free_frame_class(st->frame_classes[i]);
- }
- free(st->frame_classes);
-
- for ( i=0; i<st->n_bgblocks; i++ ) {
- free_bgblock(st->bgblocks[i]);
- }
- free(st->bgblocks);
-
- free(st->name);
-}
-
-
-void free_stylesheet(StyleSheet *ss)
-{
- int i;
-
- for ( i=0; i<ss->n_slide_templates; i++ ) {
- free_slide_template(ss->slide_templates[i]);
- }
-
- free(ss->slide_templates);
- free(ss);
-}
-
-
-void default_stylesheet(StyleSheet *ss)
-{
- struct slide_template *st;
- struct frame_class *fc;
-
- st = new_slide_template(ss, "Title page");
-
- fc = new_frame_class(st, "Presentation title");
- fc->margin_left = 20.0;
- fc->margin_right = 20.0;
- fc->margin_top = 20.0;
- fc->margin_bottom = 20.0;
- fc->sc_prologue = strdup("\\FF'Sans 50';\\FC'#000000000000';");
-
- fc = new_frame_class(st, "Author(s)");
- fc->margin_left = 20.0;
- fc->margin_right = 20.0;
- fc->margin_top = 20.0;
- fc->margin_bottom = 20.0;
- fc->sc_prologue = strdup("\\FF'Sans 30';\\FC'#000000000000';");
-
- fc = new_frame_class(st, "Date");
- fc->margin_left = 20.0;
- fc->margin_right = 20.0;
- fc->margin_top = 20.0;
- fc->margin_bottom = 20.0;
- fc->sc_prologue = strdup("\\FF'Sans 30';\\FC'#000000000000';");
-
- st->bgblocks = malloc(sizeof(struct bgblock));
- st->n_bgblocks = 1;
- st->bgblocks[0]->type = BGBLOCK_SOLID;
- st->bgblocks[0]->min_x = 0.0;
- st->bgblocks[0]->max_x = 1024.0;
- st->bgblocks[0]->min_y = 0.0;
- st->bgblocks[0]->max_y = 768.0;
- st->bgblocks[0]->colour1 = strdup("#eeeeeeeeeeee");
- st->bgblocks[0]->alpha1 = 1.0;
-
- st = new_slide_template(ss, "Slide");
-
- fc = new_frame_class(st, "Content");
- fc->margin_left = 20.0;
- fc->margin_right = 20.0;
- fc->margin_top = 20.0;
- fc->margin_bottom = 20.0;
- fc->sc_prologue = strdup("\\FF'Sans 18';\\FC'#000000000000';");
-
- fc = new_frame_class(st, "Title");
- fc->margin_left = 20.0;
- fc->margin_right = 20.0;
- fc->margin_top = 20.0;
- fc->margin_bottom = 20.0;
- fc->sc_prologue = strdup("\\FF'Sans 40';\\FC'#000000000000';");
-
- fc = new_frame_class(st, "Credit");
- fc->margin_left = 20.0;
- fc->margin_right = 20.0;
- fc->margin_top = 20.0;
- fc->margin_bottom = 35.0;
- fc->sc_prologue = strdup("\\FF'Sans 14';\\FC'#000000000000';");
-
- fc = new_frame_class(st, "Date");
- fc->margin_left = 600.0;
- fc->margin_right = 100.0;
- fc->margin_top = 745.0;
- fc->margin_bottom = 5.0;
- fc->sc_prologue = strdup("\\FF'Sans 12';\\FC'#999999999999';");
-
- fc = new_frame_class(st, "Slide number");
- fc->margin_left = 600.0;
- fc->margin_right = 5.0;
- fc->margin_top = 745.0;
- fc->margin_bottom = 5.0;
- fc->sc_prologue = strdup("\\FF'Sans 12';\\FC'#999999999999';\\JR");
-
- fc = new_frame_class(st, "Presentation title");
- fc->margin_left = 5.0;
- fc->margin_right = 600.0;
- fc->margin_top = 745.0;
- fc->margin_bottom = 5.0;
- fc->sc_prologue = strdup("\\FF'Sans 12';\\FC'#999999999999';\\JC\\VC");
-
- st->bgblocks = malloc(sizeof(struct bgblock));
- st->n_bgblocks = 1;
- st->bgblocks[0]->type = BGBLOCK_SOLID;
- st->bgblocks[0]->min_x = 0.0;
- st->bgblocks[0]->max_x = 1024.0;
- st->bgblocks[0]->min_y = 0.0;
- st->bgblocks[0]->max_y = 768.0;
- st->bgblocks[0]->colour1 = strdup("#ffffffffffff");
- st->bgblocks[0]->alpha1 = 1.0;
-}
-
-
-static const char *str_bgtype(enum bgblocktype t)
-{
- switch ( t ) {
- case BGBLOCK_SOLID : return "solid";
- case BGBLOCK_GRADIENT_X : return "gradient_x";
- case BGBLOCK_GRADIENT_Y : return "gradient_y";
- case BGBLOCK_GRADIENT_CIRCULAR : return "gradient_circular";
- case BGBLOCK_IMAGE : return "image";
- default : return "???";
- }
-}
-
-
-static enum bgblocktype str_to_bgtype(char *t)
-{
- if ( strcmp(t, "solid") == 0 ) return BGBLOCK_SOLID;
- if ( strcmp(t, "gradient_x") == 0 ) return BGBLOCK_GRADIENT_X;
- if ( strcmp(t, "gradient_y") == 0 ) return BGBLOCK_GRADIENT_Y;
- if ( strcmp(t, "gradient_ciruclar") == 0 ) {
- return BGBLOCK_GRADIENT_CIRCULAR;
- }
- if ( strcmp(t, "image") == 0 ) return BGBLOCK_IMAGE;
-
- return BGBLOCK_SOLID;
-}
-
-
-static int read_frame_class(struct frame_class *fc, struct ds_node *root)
-{
- get_field_f(root, "margin_left", &fc->margin_left);
- get_field_f(root, "margin_right", &fc->margin_right);
- get_field_f(root, "margin_top", &fc->margin_top);
- get_field_f(root, "margin_bottom", &fc->margin_bottom);
- get_field_s(root, "sc_prologue", &fc->sc_prologue);
-
- return 0;
-}
-
-
-static int read_bgblock(struct bgblock *b, struct ds_node *root)
-{
- char *type;
-
- get_field_s(root, "type", &type);
- b->type = str_to_bgtype(type);
-
- get_field_f(root, "min_x", &b->min_x);
- get_field_f(root, "max_x", &b->max_x);
- get_field_f(root, "min_y", &b->min_y);
- get_field_f(root, "max_y", &b->max_y);
-
- switch ( b->type ) {
-
- case BGBLOCK_SOLID :
- get_field_s(root, "colour1", &b->colour1);
- get_field_f(root, "alpha1", &b->alpha1);
- break;
-
- case BGBLOCK_GRADIENT_X :
- case BGBLOCK_GRADIENT_Y :
- case BGBLOCK_GRADIENT_CIRCULAR :
- get_field_s(root, "colour1", &b->colour1);
- get_field_f(root, "alpha1", &b->alpha1);
- get_field_s(root, "colour2", &b->colour2);
- get_field_f(root, "alpha2", &b->alpha2);
- break;
-
- default:
- break;
-
- }
-
- return 0;
-}
-
-
-struct slide_template *tree_to_slide_template(StyleSheet *ss,
- struct ds_node *root)
-{
- struct slide_template *st;
- int i;
- char *v;
- struct ds_node *node;
-
- get_field_s(root, "name", &v);
- if ( v == NULL ) {
- fprintf(stderr, "No name for slide template '%s'\n",
- root->key);
- return NULL;
- }
-
- st = new_slide_template(ss, v);
- if ( st == NULL ) return NULL;
-
- node = find_node(root, "frame_classes", 0);
- if ( node == NULL ) {
- fprintf(stderr, "Couldn't find frame classes\n");
- free_slide_template(st);
- return NULL;
- }
-
- st->frame_classes = malloc(node->n_children
- * sizeof(struct frame_class));
- if ( st->frame_classes == NULL ) {
- fprintf(stderr, "Couldn't allocate frame classes\n");
- free_slide_template(st);
- return NULL;
- }
- st->n_frame_classes = node->n_children;
-
- for ( i=0; i<node->n_children; i++ ) {
-
- struct frame_class *fc;
-
- fc = st->frame_classes[i];
-
- if ( read_frame_class(fc, node->children[i]) ) {
- fprintf(stderr, "Couldn't read frame class %i\n", i);
- continue;
- }
-
- }
-
- node = find_node(root, "bgblocks", 0);
- if ( node == NULL ) {
- fprintf(stderr, "Couldn't find bgblocks\n");
- free_stylesheet(ss);
- return NULL;
- }
-
- st->bgblocks = malloc(node->n_children * sizeof(struct bgblock));
- if ( st->bgblocks == NULL ) {
- fprintf(stderr, "Couldn't allocate bgblocks\n");
- free_slide_template(st);
- return NULL;
- }
- st->n_bgblocks = node->n_children;
-
- for ( i=0; i<node->n_children; i++ ) {
-
- struct bgblock *b;
-
- b = st->bgblocks[i];
-
- if ( read_bgblock(b, node->children[i]) ) {
- fprintf(stderr, "Couldn't read bgblock %i\n", i);
- continue;
- }
-
- }
-
- return st;
-}
-
-
-StyleSheet *tree_to_stylesheet(struct ds_node *root)
-{
- StyleSheet *ss;
- struct ds_node *node;
- int i;
-
- ss = new_stylesheet();
- if ( ss == NULL ) return NULL;
-
- node = find_node(root, "templates", 0);
- if ( node == NULL ) {
- fprintf(stderr, "Couldn't find slide templates\n");
- free_stylesheet(ss);
- return NULL;
- }
-
- for ( i=0; i<node->n_children; i++ ) {
-
- struct slide_template *st;
-
- st = tree_to_slide_template(ss, node->children[i]);
-
- }
-
- return ss;
-}
-
-
-StyleSheet *new_stylesheet()
-{
- StyleSheet *ss;
-
- ss = calloc(1, sizeof(struct _stylesheet));
- if ( ss == NULL ) return NULL;
-
- ss->n_slide_templates = 0;
- ss->slide_templates = NULL;
-
- return ss;
-}
-
-
-int save_stylesheet(StyleSheet *ss, const char *filename)
-{
- FILE *fh;
- struct serializer ser;
-
- fh = fopen(filename, "w");
- if ( fh == NULL ) return 1;
-
- /* Set up the serializer */
- ser.fh = fh;
- ser.stack_depth = 0;
- ser.prefix = NULL;
-
- fprintf(fh, "# Colloquium style sheet file\n");
- serialize_f(&ser, "version", 0.1);
-
- serialize_start(&ser, "stylesheet");
- write_stylesheet(ss, &ser);
- serialize_end(&ser);
-
- return 0;
-}
-
-
-StyleSheet *load_stylesheet(const char *filename)
-{
- StyleSheet *ss;
-
- ss = new_stylesheet();
- if ( ss == NULL ) return NULL;
-
- /* FIXME: Implement this */
-
- return ss;
-}
-
-
-void write_stylesheet(StyleSheet *ss, struct serializer *ser)
-{
- int i;
-
- serialize_start(ser, "templates");
- for ( i=0; i<ss->n_slide_templates; i++ ) {
-
- int j;
- struct slide_template *st;
-
- st = ss->slide_templates[i];
-
- serialize_start(ser, "bgblocks");
- for ( j=0; j<st->n_bgblocks; j++ ) {
-
- struct bgblock *b = st->bgblocks[j];
- char id[32];
-
- snprintf(id, 31, "%i", j);
-
- serialize_start(ser, id);
- serialize_s(ser, "type", str_bgtype(b->type));
- serialize_f(ser, "min_x", b->min_x);
- serialize_f(ser, "min_y", b->min_y);
- serialize_f(ser, "max_x", b->max_x);
- serialize_f(ser, "max_y", b->max_y);
-
- switch ( b->type ) {
-
- case BGBLOCK_SOLID :
- serialize_s(ser, "colour1", b->colour1);
- serialize_f(ser, "alpha1", b->alpha1);
- break;
-
- case BGBLOCK_GRADIENT_X :
- case BGBLOCK_GRADIENT_Y :
- case BGBLOCK_GRADIENT_CIRCULAR :
- serialize_s(ser, "colour1", b->colour1);
- serialize_f(ser, "alpha1", b->alpha1);
- serialize_s(ser, "colour2", b->colour2);
- serialize_f(ser, "alpha2", b->alpha2);
- break;
-
- default:
- break;
-
- }
-
- serialize_end(ser);
-
- }
- serialize_end(ser);
-
- serialize_start(ser, "frame_classes");
- for ( j=0; j<st->n_frame_classes; j++ ) {
-
- struct frame_class *fc = st->frame_classes[j];
- char id[32];
-
- snprintf(id, 31, "%i", j);
-
- serialize_start(ser, id);
- serialize_s(ser, "name", fc->name);
- serialize_f(ser, "margin_left", fc->margin_left);
- serialize_f(ser, "margin_right", fc->margin_right);
- serialize_f(ser, "margin_top", fc->margin_top);
- serialize_f(ser, "margin_bottom", fc->margin_bottom);
- serialize_s(ser, "sc_prologue", fc->sc_prologue);
- serialize_end(ser);
-
- }
- serialize_end(ser);
-
- }
-
- serialize_end(ser);
-}
-
-
-struct frame_class *find_frame_class(struct slide_template *st,
- const char *name)
-{
- int i;
- for ( i=0; i<st->n_frame_classes; i++ ) {
- if ( strcmp(st->frame_classes[i]->name, name) == 0 ) {
- return st->frame_classes[i];
- }
- }
-
- return NULL;
-}
-
-
-struct slide_template *find_slide_template(StyleSheet *ss, const char *name)
-{
- int i;
- for ( i=0; i<ss->n_slide_templates; i++ ) {
- if ( strcmp(ss->slide_templates[i]->name, name) == 0 ) {
- return ss->slide_templates[i];
- }
- }
-
- return NULL;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 20:32:54 +0000