JNIEXPORT jobjectArray JNICALL
Java_com_artifex_mupdf_MuPDFCore_getWidgetAreasInternal(JNIEnv * env, jobject thiz, int pageNumber)
{
jclass rectFClass;
jmethodID ctor;
jobjectArray arr;
jobject rectF;
fz_interactive *idoc;
fz_widget *widget;
fz_matrix ctm;
float zoom;
int count;
page_cache *pc;
rectFClass = (*env)->FindClass(env, "android/graphics/RectF");
if (rectFClass == NULL) return NULL;
ctor = (*env)->GetMethodID(env, rectFClass, "<init>", "(FFFF)V");
if (ctor == NULL) return NULL;
Java_com_artifex_mupdf_MuPDFCore_gotoPageInternal(env, thiz, pageNumber);
pc = &pages[current];
if (pc->number != pageNumber || pc->page == NULL)
return NULL;
idoc = fz_interact(doc);
if (idoc == NULL)
return NULL;
zoom = resolution / 72;
ctm = fz_scale(zoom, zoom);
count = 0;
for (widget = fz_first_widget(idoc, pc->page); widget; widget = fz_next_widget(idoc, widget))
count ++;
arr = (*env)->NewObjectArray(env, count, rectFClass, NULL);
if (arr == NULL) return NULL;
count = 0;
for (widget = fz_first_widget(idoc, pc->page); widget; widget = fz_next_widget(idoc, widget))
{
fz_rect rect = fz_transform_rect(ctm, *fz_widget_bbox(widget));
rectF = (*env)->NewObject(env, rectFClass, ctor,
(float)rect.x0, (float)rect.y0, (float)rect.x1, (float)rect.y1);
if (rectF == NULL) return NULL;
(*env)->SetObjectArrayElement(env, arr, count, rectF);
(*env)->DeleteLocalRef(env, rectF);
count ++;
}
return arr;
}
static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
{
fz_page *page;
fz_display_list *list = NULL;
fz_device *dev = NULL;
int start;
fz_cookie cookie = { 0 };
int needshot = 0;
fz_var(list);
fz_var(dev);
if (showtime)
{
start = gettime();
}
fz_try(ctx)
{
page = fz_load_page(doc, pagenum - 1);
}
fz_catch(ctx)
{
fz_throw(ctx, "cannot load page %d in file '%s'", pagenum, filename);
}
if (mujstest_file)
{
fz_interactive *inter = fz_interact(doc);
fz_widget *widget = NULL;
if (inter)
widget = fz_first_widget(inter, page);
if (widget)
{
fprintf(mujstest_file, "GOTO %d\n", pagenum);
needshot = 1;
}
for (;widget; widget = fz_next_widget(inter, widget))
{
fz_rect rect = fz_widget_bbox(widget);
int w = (rect.x1-rect.x0);
int h = (rect.y1-rect.y0);
int len;
int type = fz_widget_get_type(widget);
++mujstest_count;
switch (type)
{
default:
fprintf(mujstest_file, "%% UNKNOWN %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case FZ_WIDGET_TYPE_PUSHBUTTON:
fprintf(mujstest_file, "%% PUSHBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case FZ_WIDGET_TYPE_CHECKBOX:
fprintf(mujstest_file, "%% CHECKBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case FZ_WIDGET_TYPE_RADIOBUTTON:
fprintf(mujstest_file, "%% RADIOBUTTON %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case FZ_WIDGET_TYPE_TEXT:
{
int maxlen = fz_text_widget_max_len(inter, widget);
int texttype = fz_text_widget_content_type(inter, widget);
/* If height is low, assume a single row, and base
* the width off that. */
if (h < 10)
{
w = (w+h-1) / (h ? h : 1);
h = 1;
}
/* Otherwise, if width is low, work off height */
else if (w < 10)
{
h = (w+h-1) / (w ? w : 1);
w = 1;
}
else
{
w = (w+9)/10;
h = (h+9)/10;
}
len = w*h;
if (len < 2)
len = 2;
if (len > maxlen)
len = maxlen;
fprintf(mujstest_file, "%% TEXT %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
switch (texttype)
{
default:
case FZ_WIDGET_CONTENT_UNRESTRAINED:
fprintf(mujstest_file, "TEXT %d ", mujstest_count);
escape_string(mujstest_file, len-3, lorem);
fprintf(mujstest_file, "\n");
break;
case FZ_WIDGET_CONTENT_NUMBER:
fprintf(mujstest_file, "TEXT %d\n", mujstest_count);
break;
case FZ_WIDGET_CONTENT_SPECIAL:
fprintf(mujstest_file, "TEXT %lld\n", 46702919800LL + mujstest_count);
break;
case FZ_WIDGET_CONTENT_DATE:
fprintf(mujstest_file, "TEXT Jun %d 1979\n", 1 + ((13 + mujstest_count) % 30));
break;
case FZ_WIDGET_CONTENT_TIME:
++mujstest_count;
fprintf(mujstest_file, "TEXT %02d:%02d\n", ((mujstest_count/60) % 24), mujstest_count % 60);
break;
}
break;
}
case FZ_WIDGET_TYPE_LISTBOX:
fprintf(mujstest_file, "%% LISTBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
case FZ_WIDGET_TYPE_COMBOBOX:
fprintf(mujstest_file, "%% COMBOBOX %0.2f %0.2f %0.2f %0.2f\n", rect.x0, rect.y0, rect.x1, rect.y1);
break;
}
fprintf(mujstest_file, "CLICK %0.2f %0.2f\n", (rect.x0+rect.x1)/2, (rect.y0+rect.y1)/2);
}
}
if (uselist)
{
fz_try(ctx)
{
list = fz_new_display_list(ctx);
dev = fz_new_list_device(ctx, list);
fz_run_page(doc, page, dev, fz_identity, &cookie);
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_throw(ctx, "cannot draw page %d in file '%s'", pagenum, filename);
}
}
if (showxml)
{
fz_try(ctx)
{
dev = fz_new_trace_device(ctx);
fz_printf(out, "<page number=\"%d\">\n", pagenum);
if (list)
fz_run_display_list(list, dev, fz_identity, fz_infinite_rect, &cookie);
else
fz_run_page(doc, page, dev, fz_identity, &cookie);
fz_printf(out, "</page>\n");
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
}
fz_catch(ctx)
{
fz_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
if (showtext)
{
fz_text_page *text = NULL;
fz_var(text);
fz_try(ctx)
{
text = fz_new_text_page(ctx, fz_bound_page(doc, page));
dev = fz_new_text_device(ctx, sheet, text);
if (list)
fz_run_display_list(list, dev, fz_identity, fz_infinite_rect, &cookie);
else
fz_run_page(doc, page, dev, fz_identity, &cookie);
fz_free_device(dev);
dev = NULL;
if (showtext == TEXT_XML)
{
fz_print_text_page_xml(ctx, out, text);
}
else if (showtext == TEXT_HTML)
{
fz_print_text_page_html(ctx, out, text);
}
else if (showtext == TEXT_PLAIN)
{
fz_print_text_page(ctx, out, text);
fz_printf(out, "\f\n");
}
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
fz_free_text_page(ctx, text);
}
fz_catch(ctx)
{
fz_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}
if (showmd5 || showtime)
printf("page %s %d", filename, pagenum);
#ifdef GDI_PLUS_BMP_RENDERER
// hack: use -G0 to "enable GDI+" when saving as TGA
if (output && (strstr(output, ".bmp") || strstr(output, ".tga") && !gamma_value))
drawbmp(ctx, doc, page, list, pagenum);
else
#endif
if (output || showmd5 || showtime)
{
float zoom;
fz_matrix ctm;
fz_rect bounds, tbounds;
fz_bbox ibounds;
fz_pixmap *pix = NULL;
int w, h;
fz_var(pix);
bounds = fz_bound_page(doc, page);
zoom = resolution / 72;
ctm = fz_scale(zoom, zoom);
ctm = fz_concat(ctm, fz_rotate(rotation));
tbounds = fz_transform_rect(ctm, bounds);
ibounds = fz_round_rect(tbounds); /* convert to integers */
/* Make local copies of our width/height */
w = width;
h = height;
/* If a resolution is specified, check to see whether w/h are
* exceeded; if not, unset them. */
if (res_specified)
{
int t;
t = ibounds.x1 - ibounds.x0;
if (w && t <= w)
w = 0;
t = ibounds.y1 - ibounds.y0;
if (h && t <= h)
h = 0;
}
/* Now w or h will be 0 unless they need to be enforced. */
if (w || h)
{
float scalex = w / (tbounds.x1 - tbounds.x0);
float scaley = h / (tbounds.y1 - tbounds.y0);
if (fit)
{
if (w == 0)
scalex = 1.0f;
if (h == 0)
scaley = 1.0f;
}
else
{
if (w == 0)
scalex = scaley;
if (h == 0)
scaley = scalex;
}
if (!fit)
{
if (scalex > scaley)
scalex = scaley;
else
scaley = scalex;
}
ctm = fz_concat(ctm, fz_scale(scalex, scaley));
tbounds = fz_transform_rect(ctm, bounds);
}
ibounds = fz_round_rect(tbounds);
/* TODO: banded rendering and multi-page ppm */
fz_try(ctx)
{
pix = fz_new_pixmap_with_bbox(ctx, colorspace, ibounds);
if (savealpha)
fz_clear_pixmap(ctx, pix);
else
fz_clear_pixmap_with_value(ctx, pix, 255);
dev = fz_new_draw_device(ctx, pix);
if (list)
fz_run_display_list(list, dev, ctm, tbounds, &cookie);
else
fz_run_page(doc, page, dev, ctm, &cookie);
fz_free_device(dev);
dev = NULL;
if (invert)
fz_invert_pixmap(ctx, pix);
if (gamma_value != 1)
fz_gamma_pixmap(ctx, pix, gamma_value);
if (savealpha)
fz_unmultiply_pixmap(ctx, pix);
if (output)
{
char buf[512];
sprintf(buf, output, pagenum);
if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm"))
fz_write_pnm(ctx, pix, buf);
else if (strstr(output, ".pam"))
fz_write_pam(ctx, pix, buf, savealpha);
else if (strstr(output, ".png"))
fz_write_png(ctx, pix, buf, savealpha);
else if (strstr(output, ".pbm")) {
fz_bitmap *bit = fz_halftone_pixmap(ctx, pix, NULL);
fz_write_pbm(ctx, bit, buf);
fz_drop_bitmap(ctx, bit);
}
/* SumatraPDF: support TGA as output format */
else if (strstr(output, ".tga"))
fz_write_tga(ctx, pix, buf, savealpha);
}
if (showmd5)
{
unsigned char digest[16];
int i;
fz_md5_pixmap(pix, digest);
printf(" ");
for (i = 0; i < 16; i++)
printf("%02x", digest[i]);
}
}
fz_always(ctx)
{
fz_free_device(dev);
dev = NULL;
fz_drop_pixmap(ctx, pix);
}
fz_catch(ctx)
{
fz_free_display_list(ctx, list);
fz_free_page(doc, page);
fz_rethrow(ctx);
}
}