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-rw-r--r--src/PostscriptDSC.cxx304
1 files changed, 152 insertions, 152 deletions
diff --git a/src/PostscriptDSC.cxx b/src/PostscriptDSC.cxx
index 241dade..99354e7 100644
--- a/src/PostscriptDSC.cxx
+++ b/src/PostscriptDSC.cxx
@@ -11,189 +11,189 @@
#include "PostscriptDSC.H"
PostscriptDSC::PostscriptDSC() {
- bb_x = 0;
- bb_y = 0;
- bb_w = 594; // A4
- bb_h = 841; //
- setup_len = 0;
- pages = 0;
- page_off = NULL;
- page_len = NULL;
+ bb_x = 0;
+ bb_y = 0;
+ bb_w = 594; // A4
+ bb_h = 841; //
+ setup_len = 0;
+ pages = 0;
+ page_off = NULL;
+ page_len = NULL;
}
PostscriptDSC::~PostscriptDSC() {
- if (page_off) {
- free(page_off);
- }
- if (page_len) {
- free(page_len);
- }
+ if (page_off) {
+ free(page_off);
+ }
+ if (page_len) {
+ free(page_len);
+ }
}
int
PostscriptDSC::parse(int fd) {
- FILE *fp;
- char linebuf[1024];
- int x, y, w, h;
- int p1 = 0, ps;
- int i = 0;
- int bb_read = 0;
- int max_pages = 128;
-
- bb_x = 0;
- bb_y = 0;
- bb_w = 594; // A4
- bb_h = 841; //
- setup_len = 0;
- pages = 0;
-
- if (page_off) {
- free(page_off);
- page_off = NULL;
- }
- if(page_len) {
- free(page_len);
- page_len = NULL;
- }
-
- fp = fdopen(fd, "r");
- if (!fp) {
- perror("fdopen");
- return 1;
- }
-
- page_off = (size_t*) malloc(sizeof(size_t) * max_pages);
- memset(page_off, 0, sizeof(size_t) * max_pages);
- page_len = (size_t*) malloc(sizeof(size_t) * max_pages);
- memset(page_len, 0, sizeof(size_t) * max_pages);
-
- while (fgets(linebuf, sizeof(linebuf), fp) != NULL) {
- if (!bb_read &&
- sscanf(linebuf, "%%%%BoundingBox: %d %d %d %d", &x, &y, &w, &h) == 4) {
- bb_x = x;
- bb_y = y;
- bb_w = w;
- bb_h = h;
- bb_read++;
- } else if (setup_len == 0 &&
- strncmp(linebuf, "%%EndSetup", strlen("%%EndSetup")) == 0) {
- setup_len = ftell(fp);
- } else if (strncmp(linebuf, "%%Page: ", strlen("%%Page: ")) == 0) {
- char *p_str = &linebuf[strlen(linebuf)];
-
- // implicitely end setup section
- if (!setup_len) {
- setup_len = ftell(fp);
- }
-
- // move p_str back to beginning of last number in linebuf
- while (p_str > linebuf && !isdigit(*p_str)) {
- p_str--;
- }
- while (p_str > linebuf && isdigit(*p_str)) {
- p_str--;
- }
-
- p1 = atoi(p_str);
-
- if (p1 < 1) {
- fprintf(stderr, "Page %d out of range\n", p1);
- return 1;
- }
-
- if (p1 > max_pages) {
- page_off = (size_t*) realloc(page_off, 2 * max_pages * sizeof(size_t));
- memset(page_off + max_pages, 0, sizeof(size_t) * max_pages);
- page_len = (size_t*) realloc(page_len, 2 * max_pages * sizeof(size_t));
- memset(page_len + max_pages, 0, sizeof(size_t) * max_pages);
- max_pages = max_pages * 2;
- }
-
- if (page_off[p1 - 1] != 0) {
- fprintf(stderr, "Page %d already defined\n", p1);
- return 1;
- }
- if (p1 > 1 && page_off[p1 - 2] == 0) {
- fprintf(stderr, "Page %d not yet defined\n", p1 - 1);
- return 1;
- }
-
- page_off[p1 - 1] = ftell(fp);
- if (p1 > 1) {
- page_len[p1 - 2] = page_off[p1 - 1] - page_off[p1 - 2];
- }
-
- if (p1 > pages) {
- pages = p1;
- }
- }
- }
-
- // Now do some checks
- if (!setup_len) {
- fprintf(stderr, "PageSetup end not found\n");
- return 1;
- }
- if (page_len && page_off && p1 > 0 && p1 <= pages) {
- page_len[p1 - 1] = ftell(fp) - page_off[p1 - 1];
-
- for (int i=0; i<pages; i++) {
- if (page_off[i] == 0 || page_len[i] == 0) {
- fprintf(stderr, "Page %d not defined\n", i);
- return 1;
- }
- }
- } else {
- return 1;
- }
-
- return 0;
+ FILE *fp;
+ char linebuf[1024];
+ int x, y, w, h;
+ int p1 = 0, ps;
+ int i = 0;
+ int bb_read = 0;
+ int max_pages = 128;
+
+ bb_x = 0;
+ bb_y = 0;
+ bb_w = 594; // A4
+ bb_h = 841; //
+ setup_len = 0;
+ pages = 0;
+
+ if (page_off) {
+ free(page_off);
+ page_off = NULL;
+ }
+ if(page_len) {
+ free(page_len);
+ page_len = NULL;
+ }
+
+ fp = fdopen(fd, "r");
+ if (!fp) {
+ perror("fdopen");
+ return 1;
+ }
+
+ page_off = (size_t*) malloc(sizeof(size_t) * max_pages);
+ memset(page_off, 0, sizeof(size_t) * max_pages);
+ page_len = (size_t*) malloc(sizeof(size_t) * max_pages);
+ memset(page_len, 0, sizeof(size_t) * max_pages);
+
+ while (fgets(linebuf, sizeof(linebuf), fp) != NULL) {
+ if (!bb_read &&
+ sscanf(linebuf, "%%%%BoundingBox: %d %d %d %d", &x, &y, &w, &h) == 4) {
+ bb_x = x;
+ bb_y = y;
+ bb_w = w;
+ bb_h = h;
+ bb_read++;
+ } else if (setup_len == 0 &&
+ strncmp(linebuf, "%%EndSetup", strlen("%%EndSetup")) == 0) {
+ setup_len = ftell(fp);
+ } else if (strncmp(linebuf, "%%Page: ", strlen("%%Page: ")) == 0) {
+ char *p_str = &linebuf[strlen(linebuf)];
+
+ // implicitely end setup section
+ if (!setup_len) {
+ setup_len = ftell(fp);
+ }
+
+ // move p_str back to beginning of last number in linebuf
+ while (p_str > linebuf && !isdigit(*p_str)) {
+ p_str--;
+ }
+ while (p_str > linebuf && isdigit(*p_str)) {
+ p_str--;
+ }
+
+ p1 = atoi(p_str);
+
+ if (p1 < 1) {
+ fprintf(stderr, "Page %d out of range\n", p1);
+ return 1;
+ }
+
+ if (p1 > max_pages) {
+ page_off = (size_t*) realloc(page_off, 2 * max_pages * sizeof(size_t));
+ memset(page_off + max_pages, 0, sizeof(size_t) * max_pages);
+ page_len = (size_t*) realloc(page_len, 2 * max_pages * sizeof(size_t));
+ memset(page_len + max_pages, 0, sizeof(size_t) * max_pages);
+ max_pages = max_pages * 2;
+ }
+
+ if (page_off[p1 - 1] != 0) {
+ fprintf(stderr, "Page %d already defined\n", p1);
+ return 1;
+ }
+ if (p1 > 1 && page_off[p1 - 2] == 0) {
+ fprintf(stderr, "Page %d not yet defined\n", p1 - 1);
+ return 1;
+ }
+
+ page_off[p1 - 1] = ftell(fp);
+ if (p1 > 1) {
+ page_len[p1 - 2] = page_off[p1 - 1] - page_off[p1 - 2];
+ }
+
+ if (p1 > pages) {
+ pages = p1;
+ }
+ }
+ }
+
+ // Now do some checks
+ if (!setup_len) {
+ fprintf(stderr, "PageSetup end not found\n");
+ return 1;
+ }
+ if (page_len && page_off && p1 > 0 && p1 <= pages) {
+ page_len[p1 - 1] = ftell(fp) - page_off[p1 - 1];
+
+ for (int i=0; i<pages; i++) {
+ if (page_off[i] == 0 || page_len[i] == 0) {
+ fprintf(stderr, "Page %d not defined\n", i);
+ return 1;
+ }
+ }
+ } else {
+ return 1;
+ }
+
+ return 0;
}
void
PostscriptDSC::get_bounding_box(int *x, int *y, int *w, int *h) {
- *x = bb_x;
- *y = bb_y;
- *w = bb_w;
- *h = bb_h;
+ *x = bb_x;
+ *y = bb_y;
+ *w = bb_w;
+ *h = bb_h;
}
int
PostscriptDSC::get_pages() {
- return pages;
+ return pages;
}
size_t
PostscriptDSC::get_setup_len() {
- return setup_len;
+ return setup_len;
}
size_t
PostscriptDSC::get_page_off(int p) {
- if (p < 1 || p > pages) {
- return 0;
- } else {
- return page_off[p - 1];
- }
+ if (p < 1 || p > pages) {
+ return 0;
+ } else {
+ return page_off[p - 1];
+ }
}
size_t
PostscriptDSC::get_page_len(int p) {
- if (p < 1 || p > pages) {
- return 0;
- } else {
- return page_len[p - 1];
- }
+ if (p < 1 || p > pages) {
+ return 0;
+ } else {
+ return page_len[p - 1];
+ }
}
void
PostscriptDSC::print() {
- int i;
+ int i;
- printf("x %d, y %d, w %d, h %d\n", bb_x, bb_y, bb_w, bb_h);
- printf("setup_len %d\n", setup_len);
- for (i=0; i<pages; i++) {
- printf("p %d, off %d, len %d\n", i, page_off[i], page_len[i]);
- }
+ printf("x %d, y %d, w %d, h %d\n", bb_x, bb_y, bb_w, bb_h);
+ printf("setup_len %d\n", setup_len);
+ for (i=0; i<pages; i++) {
+ printf("p %d, off %d, len %d\n", i, page_off[i], page_len[i]);
+ }
}
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