diff options
author | Thomas White <taw@bitwiz.org.uk> | 2012-06-14 16:02:15 +0100 |
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committer | Thomas White <taw@bitwiz.org.uk> | 2012-06-14 16:02:15 +0100 |
commit | 34db1cd5f43ccd48cf672266413f608173eb838f (patch) | |
tree | 6faac72cd19c8ef3cf13211aaa900e73a118bc44 /src/stylesheet.c | |
parent | 940337bb4e46463b794fd9779cc3e07e7e175cee (diff) |
Simplify...
Diffstat (limited to 'src/stylesheet.c')
-rw-r--r-- | src/stylesheet.c | 580 |
1 files changed, 0 insertions, 580 deletions
diff --git a/src/stylesheet.c b/src/stylesheet.c deleted file mode 100644 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; -} |