First version of mujstest-v8.pdf and associated solution changes.

Simple command line tool made from cutting all the windows specifics
out of win_main.c and adding a simple script handler in.

Read lines from the script, and feed those events to pdfapp. Screenshot
pages as required.

3 files changed, 304 insertions, 1 deletions

diff --git a/apps/jstest_main.c b/apps/jstest_main.c
new file mode 100644
index 00000000..69cab0b5
--- /dev/null
+++ b/apps/jstest_main.c
@@ -0,0 +1,302 @@
+#include "fitz.h"
+#include "mupdf.h"
+#include "muxps.h"
+#include "mucbz.h"
+#include "pdfapp.h"
+#include <ctype.h>
+
+static pdfapp_t gapp;
+static int file_open = 0;
+static char filename[1024] = "";
+static char *scriptname;
+static char *output;
+static int shotcount = 0;
+
+static char getline_buffer[1024];
+
+void winwarn(pdfapp_t *app, char *msg)
+{
+	fprintf(stderr, "warning: %s", msg);
+}
+
+void winerror(pdfapp_t *app, char *msg)
+{
+	fprintf(stderr, msg);
+	exit(1);
+}
+
+static char pd_filename[256] = "The file is encrypted.";
+static char pd_password[256] = "";
+static char td_textinput[1024] = "";
+static int pd_okay = 0;
+
+char *winpassword(pdfapp_t *app, char *filename)
+{
+	if (pd_password[0] == 0)
+		return NULL;
+	return pd_password;
+}
+
+char *wintextinput(pdfapp_t *app, char *inittext)
+{
+	if (td_textinput[0] != 0)
+		return td_textinput;
+	return inittext;
+}
+
+void winhelp(pdfapp_t*app)
+{
+}
+
+void winclose(pdfapp_t *app)
+{
+	pdfapp_close(app);
+	exit(0);
+}
+
+void wincursor(pdfapp_t *app, int curs)
+{
+}
+
+void wintitle(pdfapp_t *app, char *title)
+{
+}
+
+void windrawrect(pdfapp_t *app, int x0, int y0, int x1, int y1)
+{
+}
+
+void windrawstring(pdfapp_t *app, int x, int y, char *s)
+{
+}
+
+void winresize(pdfapp_t *app, int w, int h)
+{
+}
+
+void winrepaint(pdfapp_t *app)
+{
+}
+
+void winrepaintsearch(pdfapp_t *app)
+{
+}
+
+void winfullscreen(pdfapp_t *app, int state)
+{
+}
+
+/*
+ * Event handling
+ */
+
+void windocopy(pdfapp_t *app)
+{
+}
+
+void winreloadfile(pdfapp_t *app)
+{
+	pdfapp_close(app);
+	pdfapp_open(app, filename, 1);
+}
+
+void winopenuri(pdfapp_t *app, char *buf)
+{
+}
+
+static void
+usage(void)
+{
+	fprintf(stderr, "mujstest: Scriptable tester for mupdf + js\n");
+	fprintf(stderr, "\nSyntax: mujstest -o <filename> <scriptfile>\n");
+	fprintf(stderr, "\n<filename> should sensibly be of the form file-%d.png\n");
+	fprintf(stderr, "\nscriptfile contains a list of commands:\n");
+	fprintf(stderr, "\tPASSWORD <password>\tSet the password\n");
+	fprintf(stderr, "\tOPEN <filename>\tOpen a file\n");
+	fprintf(stderr, "\tGOTO <page>\tJump to a particular page\n");
+	fprintf(stderr, "\tSCREENSHOT\tSave a screenshot\n");
+	fprintf(stderr, "\tRESIZE <w> <h>\tResize the screen to a given size\n");
+	fprintf(stderr, "\tCLICK <x> <y> <btn>\tClick at a given position\n");
+	fprintf(stderr, "\tTEXT <string>\tSet a value to be entered\n");
+	exit(1);
+}
+
+static char *
+getline(FILE *file)
+{
+	char c;
+	char *d = getline_buffer;
+
+	/* Skip over any prefix of whitespace */
+	do
+	{
+		c = fgetc(file);
+	}
+	while (isspace(c));
+
+	if (c < 0)
+		return NULL;
+
+	do
+	{
+		*d++ = c;
+		c = fgetc(file);
+	}
+	while (c >= 32);
+
+	*d = 0;
+
+	return getline_buffer;
+}
+
+static int
+match(char **line, const char *match)
+{
+	char *s = *line;
+
+	if (s == NULL)
+		return 0;
+
+	while (isspace(*s))
+		s++;
+
+	while (*s == *match)
+	{
+		s++;
+		match++;
+	}
+
+	if (*match != 0)
+		return 0;
+
+	/* We matched! Skip over any whitespace */
+	while (isspace(*s))
+		s++;
+
+	*line = s;
+
+	/* Trim whitespace off the end of the line */
+	/* Run to the end of the line */
+	while (*s)
+		s++;
+
+	/* Run back until we find where we started, or non whitespace */
+	while (s != *line && isspace(s[-1]))
+		s--;
+
+	/* Remove the suffix of whitespace */
+	*s = 0;
+
+	return 1;
+}
+
+int
+main(int argc, char *argv[])
+{
+	fz_context *ctx;
+	FILE *script = NULL;
+	int c;
+
+	while ((c = fz_getopt(argc, argv, "o:")) != -1)
+	{
+		switch(c)
+		{
+		case 'o': output = fz_optarg; break;
+		default: usage(); break;
+		}
+	}
+
+	if (fz_optind == argc)
+		usage();
+
+	ctx = fz_new_context(NULL, NULL, FZ_STORE_DEFAULT);
+	if (!ctx)
+	{
+		fprintf(stderr, "cannot initialise context\n");
+		exit(1);
+	}
+	pdfapp_init(ctx, &gapp);
+	gapp.scrw = 640;
+	gapp.scrh = 480;
+
+	fz_try(ctx)
+	{
+		while (fz_optind < argc)
+		{
+			scriptname = argv[fz_optind++];
+			script = fopen(scriptname, "rb");
+			if (script == NULL)
+				fz_throw(ctx, "cannot open script: %s", scriptname);
+
+			do
+			{
+				char *line = getline(script);
+				if (match(&line, "%"))
+				{
+					/* Comment */
+				}
+				else if (match(&line, "PASSWORD"))
+				{
+					strcpy(pd_password, line);
+				}
+				else if (match(&line, "OPEN"))
+				{
+					if (file_open)
+						pdfapp_close(&gapp);
+					strcpy(filename, line);
+					pdfapp_open(&gapp, line, 0);
+					file_open = 1;
+				}
+				else if (match(&line, "GOTO"))
+				{
+					pdfapp_gotopage(&gapp, atoi(line)-1);
+				}
+				else if (match(&line, "SCREENSHOT"))
+				{
+					char text[1024];
+
+					sprintf(text, output, ++shotcount);
+					fz_write_png(ctx, gapp.image, text, 0);
+				}
+				else if (match(&line, "RESIZE"))
+				{
+					int w, h;
+					sscanf(line, "%d %d", &w, &h);
+					pdfapp_onresize(&gapp, w, h);
+				}
+				else if (match(&line, "CLICK"))
+				{
+					float x, y, b;
+					int n;
+					n = sscanf(line, "%f %f %d", &x, &y, &b);
+					if (n < 1)
+						x = 0.0f;
+					if (n < 2)
+						y = 0.0f;
+					if (n < 3)
+						b = 1;
+					/* state = 1 = transition down */
+					pdfapp_onmouse(&gapp, (int)x, (int)y, b, 0, 1);
+					/* state = -1 = transition up */
+					pdfapp_onmouse(&gapp, (int)x, (int)y, b, 0, -1);
+				}
+				else if (match(&line, "TEXT"))
+				{
+					strcpy(td_textinput, line);
+				}
+			}
+			while (!feof(script));
+
+			fclose(script);
+		}
+	}
+	fz_catch(ctx)
+	{
+		fprintf(stderr, "error: cannot execute '%s'\n", scriptname);
+	}
+
+	if (file_open)
+		pdfapp_close(&gapp);
+
+	return 0;
+}
diff --git a/apps/pdfapp.c b/apps/pdfapp.c
index de08a1ce..c37163cf 100644
--- a/apps/pdfapp.c
+++ b/apps/pdfapp.c
@@ -412,7 +412,7 @@ static void pdfapp_gotouri(pdfapp_t *app, char *uri)
 	winopenuri(app, uri);
 }
 
-static void pdfapp_gotopage(pdfapp_t *app, int number)
+void pdfapp_gotopage(pdfapp_t *app, int number)
 {
 	app->isediting = 0;
 	winrepaint(app);
diff --git a/apps/pdfapp.h b/apps/pdfapp.h
index bfad92bd..75030c19 100644
--- a/apps/pdfapp.h
+++ b/apps/pdfapp.h
@@ -114,6 +114,7 @@ void pdfapp_onkey(pdfapp_t *app, int c);
 void pdfapp_onmouse(pdfapp_t *app, int x, int y, int btn, int modifiers, int state);
 void pdfapp_oncopy(pdfapp_t *app, unsigned short *ucsbuf, int ucslen);
 void pdfapp_onresize(pdfapp_t *app, int w, int h);
+void pdfapp_gotopage(pdfapp_t *app, int number);
 
 void pdfapp_invert(pdfapp_t *app, fz_bbox rect);
 void pdfapp_inverthit(pdfapp_t *app);