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Diffstat (limited to 'apps/pdfapp.c')
-rw-r--r--apps/pdfapp.c205
1 files changed, 150 insertions, 55 deletions
diff --git a/apps/pdfapp.c b/apps/pdfapp.c
index 0442b1fc..c7c07ace 100644
--- a/apps/pdfapp.c
+++ b/apps/pdfapp.c
@@ -31,26 +31,29 @@ static void pdfapp_error(pdfapp_t *app, fz_error error)
char *pdfapp_usage(pdfapp_t *app)
{
return
- " <\t\t-- rotate left\n"
- " >\t\t-- rotate right\n"
- " u up\t\t-- scroll up\n"
- " d down\t-- scroll down\n"
- " = +\t\t-- zoom in\n"
- " -\t\t-- zoom out\n"
- " w\t\t-- shrinkwrap\n"
- " r\t\t-- reload file\n"
- "\n"
- " n pgdn space\t-- next page\n"
- " b pgup back\t-- previous page\n"
- " right\t\t-- next page\n"
- " left\t\t-- previous page\n"
- " N F\t\t-- next 10\n"
- " B\t\t-- back 10\n"
- " m\t\t-- mark page for snap back\n"
- " t\t\t-- pop back to last mark\n"
- " 123g\t\t-- go to page\n"
- "\n"
- " left drag to pan, right drag to copy text\n";
+ "L\t\t-- rotate left\n"
+ "R\t\t-- rotate right\n"
+ "h\t\t-- scroll left\n"
+ "j down\t\t-- scroll down\n"
+ "k up\t\t-- scroll up\n"
+ "l\t\t-- scroll right\n"
+ "+\t\t-- zoom in\n"
+ "-\t\t-- zoom out\n"
+ "w\t\t-- shrinkwrap\n"
+ "r\t\t-- reload file\n"
+ ". pgdn right space\t-- next page\n"
+ ", pgup left b\t-- previous page\n"
+ ">\t\t-- next 10 pages\n"
+ "<\t\t-- back 10 pages\n"
+ "m\t\t-- mark page for snap back\n"
+ "t\t\t-- pop back to latest mark\n"
+ "1m\t\t-- mark page in register 1\n"
+ "1t\t\t-- go to page in register 1\n"
+ "123g\t\t-- go to page 123\n"
+ "/\t\t-- search for text\n"
+ "n\t\t-- find next search result\n"
+ "N\t\t-- find previous search result\n"
+ ;
}
void pdfapp_init(pdfapp_t *app)
@@ -61,6 +64,32 @@ void pdfapp_init(pdfapp_t *app)
app->resolution = 72;
}
+void pdfapp_invert(pdfapp_t *app, fz_bbox rect)
+{
+ unsigned *p;
+ int x, y;
+
+ int x0 = rect.x0 - app->panx;
+ int x1 = rect.x1 - app->panx;
+ int y0 = rect.y0 - app->pany;
+ int y1 = rect.y1 - app->pany;
+
+ x0 = CLAMP(x0, 0, app->image->w - 1);
+ x1 = CLAMP(x1, 0, app->image->w - 1);
+ y0 = CLAMP(y0, 0, app->image->h - 1);
+ y1 = CLAMP(y1, 0, app->image->h - 1);
+
+ for (y = y0; y < y1; y++)
+ {
+ p = (unsigned *)(app->image->samples + (y * app->image->w + x0) * 4);
+ for (x = x0; x < x1; x++)
+ {
+ *p = ~0 - *p;
+ p ++;
+ }
+ }
+}
+
void pdfapp_open(pdfapp_t *app, char *filename, int fd)
{
fz_obj *obj;
@@ -336,6 +365,36 @@ void pdfapp_onkey(pdfapp_t *app, int c)
int oldpage = app->pageno;
enum panning panto = PAN_TO_TOP;
+ if (app->isediting)
+ {
+ int n = strlen(app->search);
+ if (c < ' ')
+ {
+ if (c == '\b' && n > 0)
+ app->search[n - 1] = 0;
+ if (c == '\n' || c == '\r')
+ {
+ app->isediting = 0;
+ winrepaint(app);
+ pdfapp_onkey(app, 'n');
+ }
+ if (c == '\033')
+ {
+ app->isediting = 0;
+ winrepaint(app);
+ }
+ }
+ else
+ {
+ if (n + 2 < sizeof app->search)
+ {
+ app->search[n] = c;
+ app->search[n + 1] = 0;
+ }
+ }
+ return;
+ }
+
/*
* Save numbers typed for later
*/
@@ -349,9 +408,17 @@ void pdfapp_onkey(pdfapp_t *app, int c)
switch (c)
{
- /*
- * Zoom and rotate
- */
+ case '?':
+ winhelp(app);
+ break;
+
+ case 'q':
+ winclose(app);
+ break;
+
+ /*
+ * Zoom and rotate
+ */
case '+':
case '=':
@@ -366,15 +433,17 @@ void pdfapp_onkey(pdfapp_t *app, int c)
app->resolution = MINRES;
pdfapp_showpage(app, 0, 1);
break;
- case '<':
+
+ case 'L':
app->rotate -= 90;
pdfapp_showpage(app, 0, 1);
break;
- case '>':
+ case 'R':
app->rotate += 90;
pdfapp_showpage(app, 0, 1);
break;
+#ifdef DEBUG
case 'a':
app->rotate -= 15;
pdfapp_showpage(app, 0, 1);
@@ -383,10 +452,11 @@ void pdfapp_onkey(pdfapp_t *app, int c)
app->rotate += 15;
pdfapp_showpage(app, 0, 1);
break;
+#endif
- /*
- * Pan view, but dont need to repaint image
- */
+ /*
+ * Pan view, but dont need to repaint image
+ */
case 'w':
app->shrinkwrap = 1;
@@ -394,29 +464,29 @@ void pdfapp_onkey(pdfapp_t *app, int c)
pdfapp_showpage(app, 0, 0);
break;
- case 'd':
- app->pany -= app->image->h / 10;
+ case 'h':
+ app->panx += app->image->w / 10;
pdfapp_showpage(app, 0, 0);
break;
- case 'u':
- app->pany += app->image->h / 10;
+ case 'j':
+ app->pany -= app->image->h / 10;
pdfapp_showpage(app, 0, 0);
break;
- case ',':
- app->panx += app->image->w / 10;
+ case 'k':
+ app->pany += app->image->h / 10;
pdfapp_showpage(app, 0, 0);
break;
- case '.':
+ case 'l':
app->panx -= app->image->w / 10;
pdfapp_showpage(app, 0, 0);
break;
- /*
- * Page navigation
- */
+ /*
+ * Page navigation
+ */
case 'g':
case '\n':
@@ -461,11 +531,11 @@ void pdfapp_onkey(pdfapp_t *app, int c)
app->pageno = app->hist[--app->histlen];
break;
- /*
- * Back and forth ...
- */
+ /*
+ * Back and forth ...
+ */
- case 'p':
+ case ',':
panto = PAN_TO_BOTTOM;
if (app->numberlen > 0)
app->pageno -= atoi(app->number);
@@ -473,7 +543,7 @@ void pdfapp_onkey(pdfapp_t *app, int c)
app->pageno--;
break;
- case 'n':
+ case '.':
panto = PAN_TO_TOP;
if (app->numberlen > 0)
app->pageno += atoi(app->number);
@@ -482,7 +552,6 @@ void pdfapp_onkey(pdfapp_t *app, int c)
break;
case 'b':
- case '\b':
panto = DONT_PAN;
if (app->numberlen > 0)
app->pageno -= atoi(app->number);
@@ -490,7 +559,6 @@ void pdfapp_onkey(pdfapp_t *app, int c)
app->pageno--;
break;
- case 'f':
case ' ':
panto = DONT_PAN;
if (app->numberlen > 0)
@@ -499,19 +567,41 @@ void pdfapp_onkey(pdfapp_t *app, int c)
app->pageno++;
break;
- case 'B':
- panto = PAN_TO_TOP; app->pageno -= 10; break;
- case 'F':
- panto = PAN_TO_TOP; app->pageno += 10; break;
+ case '<':
+ panto = PAN_TO_TOP;
+ app->pageno -= 10;
+ break;
+ case '>':
+ panto = PAN_TO_TOP;
+ app->pageno += 10;
+ break;
- /*
- * Reloading the file...
- */
+ /*
+ * Reloading the file...
+ */
case 'r':
oldpage = -1;
winreloadfile(app);
break;
+
+ /*
+ * Searching
+ */
+
+ case '/':
+ app->isediting = 1;
+ app->search[0] = 0;
+ break;
+
+ case 'n':
+ printf("search forward for: '%s'\n", app->search);
+ break;
+
+ case 'N':
+ printf("search backward for: '%s'\n", app->search);
+ break;
+
}
if (c < '0' || c > '9')
@@ -526,9 +616,14 @@ void pdfapp_onkey(pdfapp_t *app, int c)
{
switch (panto)
{
- case PAN_TO_TOP: app->pany = 0; break;
- case PAN_TO_BOTTOM: app->pany = -2000; break;
- case DONT_PAN: break;
+ case PAN_TO_TOP:
+ app->pany = 0;
+ break;
+ case PAN_TO_BOTTOM:
+ app->pany = -2000;
+ break;
+ case DONT_PAN:
+ break;
}
pdfapp_showpage(app, 1, 1);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-22 04:57:18 +0000