diff options
Diffstat (limited to 'test/gtkpdf.c')
| -rw-r--r-- | test/gtkpdf.c | 670 |
1 files changed, 0 insertions, 670 deletions
diff --git a/test/gtkpdf.c b/test/gtkpdf.c deleted file mode 100644 index 07730b38..00000000 --- a/test/gtkpdf.c +++ /dev/null @@ -1,670 +0,0 @@ -/* - -TODO: - - threaded pdf/page loading - - info dialog - - resource dialog - - password dialog - - outline tree - - magnifying glass - - text selection - - text search - -*/ - -#include <fitz.h> -#include <mupdf.h> - -#include <gtk/gtk.h> -#include <glib.h> -#include <pthread.h> - -typedef struct PDFApp PDFApp; - -enum { ZOOM, FITWIDTH, FITPAGE }; - -struct PDFApp -{ - GtkWidget *canvas; - GtkWidget *status; - GtkWidget *scroll; - int statusid; - int viewmode; - - char *filename; - int pageno; - int rotate; - float zoom; - - fz_renderer *gc; - pdf_xref *xref; - pdf_pagetree *pagetree; - fz_obj *pageobj; - pdf_page *page; - fz_pixmap *image; -}; - -static volatile int busy = 0; - -PDFApp *gapp; - -static void showstatus(char *fmt, ...) -{ - char msg[256]; - va_list ap; - - va_start(ap, fmt); - vsnprintf(msg, 256, fmt, ap); - va_end(ap); - - gtk_statusbar_pop(GTK_STATUSBAR(gapp->status), gapp->statusid); - gtk_statusbar_push(GTK_STATUSBAR(gapp->status), gapp->statusid, msg); -} - -static void panic(fz_error *error) -{ - gapp->filename = ""; - gapp->pageno = 1; - gapp->rotate = 0; - gapp->zoom = 1.0; - - gapp->gc = nil; - gapp->xref = nil; - gapp->pagetree = nil; - gapp->page = nil; - gapp->image = nil; - - fz_abort(error); -} - -static void forkwork(void*(*func)(void*)) -{ - pthread_t tid; - if (busy) return; - pthread_create(&tid, NULL, func, nil); -} - -static void* drawpage(void*args) -{ - char msg[256]; - fz_error *error; - float scalex, scaley, scale; - fz_matrix ctm; - fz_irect bbox; - fz_obj *obj; - - if (!gapp->xref) - return nil; - - busy = 1; - - while (gapp->rotate < 0) - gapp->rotate += 360; - gapp->rotate = gapp->rotate % 360; - - obj = pdf_getpageobject(gapp->pagetree, gapp->pageno - 1); - if (obj == gapp->pageobj) - goto Lskipload; - gapp->pageobj = obj; - - if (gapp->page) - pdf_droppage(gapp->page); - - gdk_threads_enter(); - sprintf(msg, " loading page %d ... ", gapp->pageno); - showstatus(msg); - gdk_threads_leave(); - - error = pdf_loadpage(&gapp->page, gapp->xref, gapp->pageobj); - if (error) - panic(error); - -Lskipload: - - gdk_threads_enter(); - showstatus(" drawing ... "); - - ctm = fz_identity(); - ctm = fz_concat(ctm, fz_translate(0, -gapp->page->mediabox.max.y)); - ctm = fz_concat(ctm, fz_rotate(gapp->rotate + gapp->page->rotate)); - bbox = fz_roundrect(fz_transformaabb(ctm, gapp->page->mediabox)); - - scale = gapp->zoom; - scalex = scaley = 1.0; - - if (gapp->viewmode == FITWIDTH || gapp->viewmode == FITPAGE) - { - GtkAdjustment *hadj; - int w; - hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(gapp->scroll)); - w = bbox.max.x - bbox.min.x; - if (w != 0) - scalex = hadj->page_size / (float)w; - scale = scalex; - } - - if (gapp->viewmode == FITPAGE) - { - GtkAdjustment *vadj; - int h; - vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(gapp->scroll)); - h = bbox.max.y - bbox.min.y; - if (h != 0) - scaley = vadj->page_size / (float)h; - scale = MIN(scale, scaley); - } - - gapp->zoom = scale; - - gdk_threads_leave(); - - if (gapp->image) - fz_droppixmap(gapp->image); - gapp->image = nil; - - ctm = fz_identity(); - ctm = fz_concat(ctm, fz_translate(0, -gapp->page->mediabox.max.y)); - ctm = fz_concat(ctm, fz_scale(gapp->zoom, -gapp->zoom)); - ctm = fz_concat(ctm, fz_rotate(gapp->rotate + gapp->page->rotate)); - bbox = fz_roundrect(fz_transformaabb(ctm, gapp->page->mediabox)); - - error = fz_rendertree(&gapp->image, gapp->gc, gapp->page->tree, ctm, bbox, 1); - if (error) - panic(error); - - gdk_threads_enter(); - sprintf(msg, " page %d of %d zoom %g rotate %d ", - gapp->pageno, pdf_getpagecount(gapp->pagetree), - gapp->zoom, gapp->rotate); - showstatus(msg); - gtk_widget_set_usize(gapp->canvas, gapp->image->w, gapp->image->h); - gtk_widget_queue_draw(gapp->canvas); - gdk_threads_leave(); - - busy = 0; - - return nil; -} - -static void* openpdf(void*args) -{ - fz_error *error; - char msg[256]; - - busy = 1; - - gdk_threads_enter(); - sprintf(msg, " Loading %s...", gapp->filename); - showstatus(msg); - gdk_threads_leave(); - - if (gapp->xref) - { - pdf_droppage(gapp->page); - pdf_droppagetree(gapp->pagetree); - pdf_closepdf(gapp->xref); - gapp->page = nil; - gapp->pagetree = nil; - gapp->xref = nil; - } - - error = pdf_openpdf(&gapp->xref, gapp->filename); - if (error) panic(error); - - error = pdf_decryptpdf(gapp->xref); - if (error) panic(error); - - /* TODO: ask for password */ - if (gapp->xref->crypt) - { - error = pdf_setpassword(gapp->xref->crypt, ""); - if (error) panic(error); - } - - error = pdf_loadpagetree(&gapp->pagetree, gapp->xref); - if (error) panic(error); - - gdk_threads_enter(); - showstatus(""); - gdk_threads_leave(); - - gapp->pageno = 1; - drawpage(nil); - - busy = 0; - - return nil; -} - -/* - * Handle event callbacks - */ - -static void onquit(GtkWidget *widget, void *data) -{ - exit(0); -} - -static void onopenokay(GtkWidget *w, GtkFileSelection *fs) -{ - gapp->filename = strdup(gtk_file_selection_get_filename(GTK_FILE_SELECTION(fs))); - gtk_widget_destroy(GTK_WIDGET(fs)); - forkwork(openpdf); -} - -static void onopen(GtkWidget *widget, void *data) -{ - GtkWidget *filew; - if (busy) return; - filew = gtk_file_selection_new ("Open PDF file"); - gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(filew)->ok_button), - "clicked", (GtkSignalFunc)onopenokay, filew); - gtk_signal_connect_object(GTK_OBJECT(GTK_FILE_SELECTION(filew)->cancel_button), - "clicked", (GtkSignalFunc)gtk_widget_destroy, GTK_OBJECT(filew)); - gtk_widget_show(filew); -} - -static void oninfo(GtkWidget *widget, void *data) -{ -} - -static void onback10(GtkWidget *widget, void *data) -{ - if (busy) return; - if (!gapp->xref) return; - gapp->pageno -= 10; - if (gapp->pageno < 1) - gapp->pageno = 1; - forkwork(drawpage); -} - -static void onnext10(GtkWidget *widget, void *data) -{ - if (busy) return; - if (!gapp->xref) return; - gapp->pageno += 10; - if (gapp->pageno > pdf_getpagecount(gapp->pagetree)) - gapp->pageno = pdf_getpagecount(gapp->pagetree); - forkwork(drawpage); -} - -static void onback(GtkWidget *widget, void *data) -{ - if (busy) return; - if (!gapp->xref) return; - if (gapp->pageno > 1) - { - gapp->pageno --; - forkwork(drawpage); - } -} - -static void onnext(GtkWidget *widget, void *data) -{ - if (busy) return; - if (!gapp->xref) return; - if (gapp->pageno < pdf_getpagecount(gapp->pagetree)) - { - gapp->pageno ++; - forkwork(drawpage); - } -} - -static void onfirst(GtkWidget *widget, void *data) -{ - if (busy) return; - if (!gapp->xref) return; - gapp->pageno = 1; - forkwork(drawpage); -} - -static void onlast(GtkWidget *widget, void *data) -{ - if (busy) return; - if (!gapp->xref) return; - gapp->pageno = pdf_getpagecount(gapp->pagetree); - forkwork(drawpage); -} - -static void onzoomin(GtkWidget * widget, void *data) -{ - gapp->viewmode = ZOOM; - gapp->zoom *= 1.25; - forkwork(drawpage); -} - -static void onzoomout(GtkWidget * widget, void *data) -{ - gapp->viewmode = ZOOM; - gapp->zoom *= 0.8; - forkwork(drawpage); -} - -static void onzoom100(GtkWidget * widget, void *data) -{ - gapp->viewmode = ZOOM; - gapp->zoom = 1.0; - forkwork(drawpage); -} - -static void onrotl(GtkWidget *widget, void *data) { gapp->rotate -= 90; forkwork(drawpage); } -static void onrotr(GtkWidget *widget, void *data) { gapp->rotate += 90; forkwork(drawpage); } - -static void onfitwidth(GtkWidget *widget, void *data) -{ - gapp->viewmode = FITWIDTH; - forkwork(drawpage); -} - -static void onfitpage(GtkWidget *widget, void *data) -{ - gapp->viewmode = FITPAGE; - forkwork(drawpage); -} - -static int startxpos; -static int startypos; -static int dopan = 0; -guint32 pangrabtime = 0; - -static void mousedown(GtkWidget *widget, GdkEventMotion *event, void *data) -{ - GdkModifierType mods; - gtk_widget_grab_focus(gapp->scroll); - - gdk_window_get_pointer(gapp->scroll->window, &startxpos, &startypos, &mods); - if (mods & GDK_BUTTON2_MASK) { - GtkAdjustment *adj; - adj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(gapp->scroll)); - startxpos += adj->value; - - adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(gapp->scroll)); - startypos += adj->value; - - gdk_pointer_grab(gapp->scroll->window, TRUE, GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK, NULL, NULL /* TODO: pan cursor */, event->time); - - dopan = 1; - } - else { - dopan = 0; - } -} - -static void mouseup(GtkWidget *widget, GdkEventMotion *event, void *data) -{ - dopan = 0; - gdk_pointer_ungrab(event->time); -} - -static void mousemove(GtkWidget *widget, GdkEventMotion *event, void *data) -{ - int xpos, ypos; - GdkModifierType mods; - GtkAdjustment *adj; - - if (!dopan) return; - - gdk_window_get_pointer(gapp->scroll->window, &xpos, &ypos, &mods); - - if (mods & GDK_BUTTON2_MASK) { - adj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(gapp->scroll)); - adj->value = startxpos - xpos; - adj->value = CLAMP(adj->value, adj->lower, adj->upper - adj->page_size); - - gtk_adjustment_value_changed(adj); - - adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(gapp->scroll)); - adj->value = startypos - ypos; - adj->value = CLAMP(adj->value, adj->lower, adj->upper - adj->page_size); - - /* clamp to viewport... */ - - gtk_adjustment_value_changed(adj); - } - else - mouseup(widget, event, data); -} - -static void keypress(GtkWidget *widget, GdkEventKey *event, void *data) -{ - if (busy) return; - switch (event->string[0]) - { - case 'q': onquit(widget, data); break; - case 'g': onlast(widget, data); break; - case '0': onfirst(widget, data); break; - case 'b': onback(widget, data); break; - case 'B': onback10(widget, data); break; - case ' ': onnext(widget, data); break; - case 'f': onnext(widget, data); break; - case 'F': onnext10(widget, data); break; - case '+': onzoomin(widget, data); break; - case '-': onzoomout(widget, data); break; - case '1': onzoom100(widget, data); break; - case 'l': onrotl(widget, data); break; - case 'r': onrotr(widget, data); break; - case 'L': gapp->rotate -= 15; forkwork(drawpage); break; - case 'R': gapp->rotate += 15; forkwork(drawpage); break; - } -} - -static void onexpose(GtkWidget *widget, GdkEventExpose *event, void *data) -{ - PDFApp *app = data; - if (app->image) - { - int x0 = event->area.x; - int y0 = event->area.y; - int w = event->area.width; - int h = event->area.height; - int x1, y1; - int x, y; - - unsigned char *rgb = fz_malloc(w * h * 3); - unsigned char *s, *d; - - x1 = MIN(x0 + w, app->image->w); - y1 = MIN(y0 + h, app->image->h); - - if (x0 + w > x1 || y0 + h > y1) - memset(rgb, 200, w * h * 3); - - for (y = y0; y < y1; y++) - { - s = app->image->samples + (y * app->image->w + x0) * 4; - d = rgb + (y - y0) * w * 3; - for (x = x0; x < x1; x++) - { - d[0] = s[1]; - d[1] = s[2]; - d[2] = s[3]; - s += 4; - d += 3; - } - } - - gdk_draw_rgb_image(widget->window, - widget->style->black_gc, - x0, y0, w, h, - GDK_RGB_DITHER_NONE, rgb, - w * 3); - - fz_free(rgb); - } -} - -/* - * Construct widgets - */ - -static GtkWidget * -addmenuitem(GtkWidget *menu, const char *name, GtkSignalFunc callback, - void *callback_data, GtkAccelGroup *ag, const char *accel) -{ - GtkWidget *menuitem; - menuitem = gtk_menu_item_new_with_label(name); - gtk_menu_append(GTK_MENU(menu), menuitem); - gtk_widget_show(menuitem); - if (accel != NULL) - { - guint accel_key, accel_mods; - gtk_accelerator_parse(accel, &accel_key, &accel_mods); - gtk_widget_add_accelerator(menuitem, "activate", ag, - accel_key, accel_mods, GTK_ACCEL_VISIBLE); - } - gtk_signal_connect(GTK_OBJECT(menuitem), "activate", - (GtkSignalFunc)callback, callback_data); - return menuitem; -} - -static void -addmenuseparator(GtkWidget *menu) -{ - GtkWidget *menuitem; - menuitem = gtk_menu_item_new(); - gtk_menu_append(GTK_MENU(menu), menuitem); - gtk_widget_show(menuitem); -} - -void makeapp(PDFApp *app) -{ - GtkWidget *frame; - GtkWidget *menubar; - GtkWidget *menu; - GtkWidget *menuitem; - GtkWidget *da; - GtkWidget *sb; - GtkWidget *sv; - GtkWidget *vbox; - GtkAccelGroup *ag; - void *data = app; - - frame = gtk_window_new(GTK_WINDOW_TOPLEVEL); - gtk_signal_connect(GTK_OBJECT(frame), "destroy", (GtkSignalFunc)onquit, "WM destroy"); - gtk_window_set_title(GTK_WINDOW(frame), "MuPDF"); - gtk_widget_set_usize(GTK_WIDGET(frame), 300, 200); - - vbox = gtk_vbox_new(FALSE, 1); - gtk_container_add(GTK_CONTAINER(frame), vbox); - gtk_widget_show(vbox); - - menubar = gtk_menu_bar_new(); - ag = gtk_accel_group_new(); - gtk_window_add_accel_group(GTK_WINDOW(frame), ag); - gtk_box_pack_start(GTK_BOX(vbox), menubar, FALSE, FALSE, 0); - gtk_widget_show(menubar); - - menu = gtk_menu_new(); - menuitem = gtk_menu_item_new_with_label("File"); - gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu); - gtk_menu_bar_append(GTK_MENU_BAR(menubar), menuitem); - gtk_widget_show(menuitem); - gtk_menu_set_accel_group(GTK_MENU(menu), ag); - addmenuitem(menu, "Info...", (GtkSignalFunc)oninfo, data, ag, "<ctrl>I"); - addmenuitem(menu, "Open...", (GtkSignalFunc)onopen, data, ag, "<ctrl>O"); - addmenuseparator(menu); - addmenuitem(menu, "Quit", (GtkSignalFunc)onquit, data, ag, "<ctrl>Q"); - - menu = gtk_menu_new(); - menuitem = gtk_menu_item_new_with_label("Go"); - gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu); - gtk_menu_bar_append(GTK_MENU_BAR(menubar), menuitem); - gtk_widget_show(menuitem); - gtk_menu_set_accel_group(GTK_MENU(menu), ag); - addmenuitem(menu, "Back", (GtkSignalFunc)onback10, data, ag, "<ctrl>B"); - addmenuitem(menu, "Next", (GtkSignalFunc)onnext10, data, ag, "<ctrl>F"); - addmenuitem(menu, "Back 10", (GtkSignalFunc)onback10, data, ag, nil); - addmenuitem(menu, "Next 10", (GtkSignalFunc)onnext10, data, ag, nil); - addmenuseparator(menu); - addmenuitem(menu, "First", (GtkSignalFunc)onfirst, data, ag, nil); - addmenuitem(menu, "Last", (GtkSignalFunc)onlast, data, ag, "<ctrl>G"); - - menu = gtk_menu_new(); - menuitem = gtk_menu_item_new_with_label("View"); - gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu); - gtk_menu_bar_append(GTK_MENU_BAR(menubar), menuitem); - gtk_widget_show(menuitem); - gtk_menu_set_accel_group(GTK_MENU(menu), ag); - addmenuitem(menu, "Zoom in", (GtkSignalFunc)onzoomin, data, ag, "<ctrl>'+'"); - addmenuitem(menu, "Zoom out", (GtkSignalFunc)onzoomout, data, ag, "<ctrl>'-'"); - addmenuitem(menu, "Zoom 100%", (GtkSignalFunc)onzoom100, data, ag, "<ctrl>1"); - addmenuitem(menu, "Fit width", (GtkSignalFunc)onfitwidth, data, ag, nil); - addmenuitem(menu, "Fit page", (GtkSignalFunc)onfitpage, data, ag, nil); - addmenuseparator(menu); - addmenuitem(menu, "Rotate left", (GtkSignalFunc)onrotl, data, ag, "<ctrl>L"); - addmenuitem(menu, "Rotate right", (GtkSignalFunc)onrotr, data, ag, "<ctrl>R"); - - sv = gtk_scrolled_window_new(NULL, NULL); - app->scroll = sv; - gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(sv), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); - GTK_WIDGET_SET_FLAGS(sv, GTK_CAN_FOCUS); - gtk_widget_set_extension_events(sv, GDK_EXTENSION_EVENTS_ALL); - gtk_signal_connect(GTK_OBJECT(sv), "button_press_event", (GtkSignalFunc)mousedown, data); - gtk_signal_connect(GTK_OBJECT(sv), "motion_notify_event", (GtkSignalFunc)mousemove, data); - gtk_signal_connect(GTK_OBJECT(sv), "button_release_event", (GtkSignalFunc)mouseup, data); - gtk_signal_connect(GTK_OBJECT(sv), "key_press_event", (GtkSignalFunc)keypress, data); - gtk_box_pack_start(GTK_BOX(vbox), sv, TRUE, TRUE, 0); - gtk_widget_show(sv); - - da = gtk_drawing_area_new(); - app->canvas = da; - gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(sv), da); - gtk_signal_connect(GTK_OBJECT(da), "expose_event", (GtkSignalFunc)onexpose, data); - gtk_widget_set_events (da, - GDK_BUTTON_PRESS_MASK - | GDK_BUTTON_RELEASE_MASK - | GDK_POINTER_MOTION_MASK); - gtk_widget_show(da); - - sb = gtk_statusbar_new(); - app->status = sb; - app->statusid = gtk_statusbar_get_context_id(GTK_STATUSBAR(sb), "mupdf"); - gtk_box_pack_start(GTK_BOX(vbox), sb, FALSE, FALSE, 0); - gtk_widget_show(sb); - - gtk_window_set_default_size(GTK_WINDOW(frame), 512, 512); - gtk_widget_grab_focus(sv); - gtk_widget_show(frame); -} - -int main(int argc, char **argv) -{ - fz_error *error; - PDFApp theapp; - - g_thread_init(NULL); - gtk_init(&argc, &argv); - gtk_widget_set_default_colormap(gdk_rgb_get_cmap()); - gtk_widget_set_default_visual(gdk_rgb_get_visual()); - - makeapp(&theapp); - gapp = &theapp; - - gapp->pageno = 1; - gapp->rotate = 0; - gapp->zoom = 1.0; - - gapp->image = nil; - gapp->xref = nil; - gapp->pagetree = nil; - gapp->page = nil; - - fz_cpudetect(); - fz_accelerate(); - - error = fz_newrenderer(&gapp->gc, pdf_devicergb, 0, 1024 * 512); - if (error) - fz_abort(error); - - if (argc > 1) - { - gapp->filename = argv[1]; - forkwork(openpdf); - } - - gdk_threads_enter(); - gtk_main(); - gdk_threads_leave(); - return 0; -} - |