Merge branch 'mupdf' into girara

Updated to mupdf 0.8

Conflicts:
	config.mk
	ft/pdf-mupdf/pdf.h
	ft/pdf-poppler/pdf.c
	ft/pdf-poppler/pdf.h
	ft/pdf/pdf.h

ft/pdf-mupdf/Makefile

@@ -0,0 +1,51 @@
+# See LICENSE file for license and copyright information
+
+include config.mk
+
+PLUGIN   = pdf
+SOURCE   = pdf.c
+OBJECTS  = ${SOURCE:.c=.o}
+DOBJECTS = ${SOURCE:.c=.do}
+
+all: options ${PLUGIN}
+
+options:
+	@echo ${PLUGIN} build options:
+	@echo "CFLAGS  = ${CFLAGS}"
+	@echo "LDFLAGS = ${LDFLAGS}"
+	@echo "DFLAGS  = ${DFLAGS}"
+	@echo "CC      = ${CC}"
+
+%.o: %.c
+	@echo CC $<
+	@${CC} -c ${CFLAGS} -o $@ $<
+
+%.do: %.c
+	@echo CC $<
+	@${CC} -c ${CFLAGS} ${DFLAGS} -o $@ $<
+
+${OBJECTS}:  config.mk
+${DOBJECTS}: config.mk
+
+${PLUGIN}: ${OBJECTS}
+	@echo LD $@
+	@${CC} -shared ${LDFLAGS} -o ${PLUGIN}.so $(OBJECTS) ${LIBS}
+
+${PLUGIN}-debug: ${DOBJECTS}
+	@echo LD $@
+	@${CC} -shared ${LDFLAGS} -o ${PLUGIN}.so $(DOBJECTS) ${LIBS}
+
+clean:
+	@rm -rf ${OBJECTS} ${DOBJECTS} $(PLUGIN).so
+
+debug: options ${PLUGIN}-debug
+
+install: all
+	@echo installing ${PLUGIN} plugin
+	@mkdir -p ${DESTDIR}${PREFIX}/lib/zathura
+	@cp -f ${PLUGIN}.so ${DESTDIR}${PREFIX}/lib/zathura
+
+uninstall:
+	@echo uninstalling ${PLUGIN} plugin
+	@rm -f ${DESTDIR}${PREFIX}/lib/zathura/${PLUGIN}.so
+	@rm -rf ${DESTDIR}${PREFIX}/lib/zathura

ft/pdf-mupdf/config.mk

@@ -0,0 +1,21 @@
+# See LICENSE file for license and copyright information
+
+# paths
+PREFIX ?= /usr
+
+# libs
+GTK_INC = $(shell pkg-config --cflags gtk+-2.0)
+GTK_LIB = $(shell pkg-config --libs gtk+-2.0)
+
+INCS = -I. -I/usr/include ${GTK_INC}
+LIBS = -lc ${GTK_LIB} -lmupdf -ljbig2dec -ljpeg -lopenjpeg
+
+# flags
+CFLAGS += -std=c99 -fPIC -pedantic -Wall -Wno-format-zero-length $(INCS)
+
+# debug
+DFLAGS = -g
+
+# compiler
+CC ?= gcc
+LD ?= ld

ft/pdf-mupdf/pdf.c

@@ -0,0 +1,257 @@
+/* See LICENSE file for license and copyright information */
+
+#include <stdlib.h>
+
+#include "pdf.h"
+#include "../../zathura.h"
+
+void
+plugin_register(zathura_document_plugin_t* plugin)
+{
+  plugin->file_extension = "pdf";
+  plugin->open_function  = pdf_document_open;
+}
+
+bool
+pdf_document_open(zathura_document_t* document)
+{
+  if (!document) {
+    goto error_ret;
+  }
+
+  document->functions.document_free             = pdf_document_free;
+  document->functions.page_get                  = pdf_page_get;
+  document->functions.page_search_text          = pdf_page_search_text;
+  document->functions.page_links_get            = pdf_page_links_get;
+  document->functions.page_form_fields_get      = pdf_page_form_fields_get;
+  document->functions.page_render               = pdf_page_render;
+  document->functions.page_free                 = pdf_page_free;
+
+  document->data = malloc(sizeof(pdf_document_t));
+  if (!document->data) {
+    goto error_ret;
+  }
+
+  pdf_document_t* pdf_document = (pdf_document_t*) document->data;
+
+  fz_accelerate();
+  pdf_document->glyphcache = fz_newglyphcache();
+
+  if (pdf_openxref(&(pdf_document->document), document->file_path, NULL)) {
+    fprintf(stderr, "error: could not open file\n");
+    goto error_free;
+  }
+
+  if (pdf_loadpagetree(pdf_document->document)) {
+    fprintf(stderr, "error: could not open file\n");
+    goto error_free;
+  }
+
+  document->number_of_pages = pdf_getpagecount(pdf_document->document);
+
+  return true;
+
+error_free:
+
+  if (pdf_document->document) {
+    pdf_freexref(pdf_document->document);
+  }
+
+  if (pdf_document->glyphcache) {
+    fz_freeglyphcache(pdf_document->glyphcache);
+  }
+
+  free(document->data);
+  document->data = NULL;
+
+error_ret:
+
+  return false;
+}
+
+bool
+pdf_document_free(zathura_document_t* document)
+{
+  if (!document) {
+    return false;
+  }
+
+  if (document->data) {
+    pdf_document_t* pdf_document = (pdf_document_t*) document->data;
+    pdf_freexref(pdf_document->document);
+    fz_freeglyphcache(pdf_document->glyphcache);
+    free(document->data);
+    document->data = NULL;
+  }
+
+  return true;
+}
+
+zathura_page_t*
+pdf_page_get(zathura_document_t* document, unsigned int page)
+{
+  if (!document || !document->data) {
+    return NULL;
+  }
+
+  pdf_document_t* pdf_document  = (pdf_document_t*) document->data;
+  zathura_page_t* document_page = malloc(sizeof(zathura_page_t));
+
+  if (document_page == NULL) {
+    goto error_ret;
+  }
+
+  mupdf_page_t* mupdf_page = malloc(sizeof(mupdf_page_t));
+
+  if (mupdf_page == NULL) {
+    goto error_free;
+  }
+
+  document_page->document = document;
+  document_page->data     = mupdf_page;
+
+  mupdf_page->page_object = pdf_getpageobject(pdf_document->document, page + 1);
+
+  if (pdf_loadpage(&(mupdf_page->page), pdf_document->document, mupdf_page->page_object)) {
+    goto error_free;
+  }
+
+  document_page->width  = mupdf_page->page->mediabox.x1 - mupdf_page->page->mediabox.x0;
+  document_page->height = mupdf_page->page->mediabox.y1 - mupdf_page->page->mediabox.y0;
+
+  return document_page;
+
+error_free:
+
+  if (mupdf_page && mupdf_page->page_object) {
+    fz_dropobj(mupdf_page->page_object);
+  }
+
+  if (mupdf_page && mupdf_page->page) {
+    pdf_freepage(mupdf_page->page);
+  }
+
+  free(document_page);
+  free(mupdf_page);
+
+error_ret:
+
+  return NULL;
+}
+
+bool
+pdf_page_free(zathura_page_t* page)
+{
+  if (!page) {
+    return false;
+  }
+
+  mupdf_page_t* mupdf_page = (mupdf_page_t*) page->data;
+  pdf_freepage(mupdf_page->page);
+  fz_dropobj(mupdf_page->page_object);
+  free(mupdf_page);
+  free(page);
+
+  return true;
+}
+
+zathura_list_t*
+pdf_page_search_text(zathura_page_t* page, const char* text)
+{
+  return NULL;
+}
+
+zathura_list_t*
+pdf_page_links_get(zathura_page_t* page)
+{
+  return NULL;
+}
+
+zathura_list_t*
+pdf_page_form_fields_get(zathura_page_t* page)
+{
+  return NULL;
+}
+
+GtkWidget*
+pdf_page_render(zathura_page_t* page)
+{
+  if (!Zathura.document || !page || !page->data || !page->document) {
+    return NULL;
+  }
+
+  /* calculate sizes */
+  unsigned int page_width  = Zathura.document->scale * page->width;
+  unsigned int page_height = Zathura.document->scale * page->height;
+
+  if (Zathura.document->rotate == 90 || Zathura.document->rotate == 270) {
+      unsigned int dim_temp = 0;
+      dim_temp    = page_width;
+      page_width  = page_height;
+      page_height = dim_temp;
+  }
+
+  /* create pixbuf */
+  GdkPixbuf* pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
+      page_width, page_height);
+
+  if (!pixbuf) {
+    return NULL;
+  }
+
+  pdf_document_t* pdf_document = (pdf_document_t*) page->document->data;
+  mupdf_page_t* mupdf_page     = (mupdf_page_t*) page->data;
+
+  /* render */
+  fz_displaylist* display_list = fz_newdisplaylist();
+  fz_device* device            = fz_newlistdevice(display_list);
+
+  if (pdf_runpage(pdf_document->document, mupdf_page->page, device, fz_identity)) {
+    return NULL;
+  }
+
+  fz_freedevice(device);
+
+  fz_matrix ctm = fz_translate(0, -mupdf_page->page->mediabox.y1);
+  ctm           = fz_concat(ctm, fz_scale(Zathura.document->scale, -Zathura.document->scale));
+  fz_bbox bbox  = fz_roundrect(fz_transformrect(ctm, mupdf_page->page->mediabox));
+
+  guchar* pixels = gdk_pixbuf_get_pixels(pixbuf);
+  int rowstride  = gdk_pixbuf_get_rowstride(pixbuf);
+  int n_channels = gdk_pixbuf_get_n_channels(pixbuf);
+
+  fz_pixmap* pixmap = fz_newpixmapwithrect(fz_devicergb, bbox);
+  fz_clearpixmapwithcolor(pixmap, 0xFF);
+
+  device = fz_newdrawdevice(pdf_document->glyphcache, pixmap);
+  fz_executedisplaylist(display_list, device, ctm);
+  fz_freedevice(device);
+
+  for (unsigned int y = 0; y < pixmap->h; y++) {
+    for (unsigned int x = 0; x < pixmap->w; x++) {
+      unsigned char *s = pixmap->samples + y * pixmap->w * 4 + x * 4;
+      guchar* p = pixels + y * rowstride + x * n_channels;
+      p[0] = s[0];
+      p[1] = s[1];
+      p[2] = s[2];
+    }
+  }
+
+  fz_droppixmap(pixmap);
+  fz_freedisplaylist(display_list);
+  pdf_freepage(mupdf_page->page);
+  pdf_agestore(pdf_document->document->store, 3);
+
+  /* write pixbuf */
+  GtkWidget* image = gtk_image_new();
+
+  if (!image) {
+    g_object_unref(pixbuf);
+    return NULL;
+  }
+
+  gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
+  gtk_widget_show(image);
+
+  return image;
+}

ft/pdf-mupdf/pdf.h

@@ -0,0 +1,33 @@
+/* See LICENSE file for license and copyright information */
+
+#ifndef PDF_H
+#define PDF_H
+
+#include <stdbool.h>
+#include <fitz.h>
+#include <mupdf.h>
+
+#include "../../document.h"
+
+typedef struct pdf_document_s
+{
+	fz_glyphcache *glyphcache;
+	pdf_xref *document;
+} pdf_document_t;
+
+typedef struct mupdf_page_s
+{
+  fz_obj* page_object;
+  pdf_page* page;
+} mupdf_page_t;
+
+bool pdf_document_open(zathura_document_t* document);
+bool pdf_document_free(zathura_document_t* document);
+zathura_page_t* pdf_page_get(zathura_document_t* document, unsigned int page);
+zathura_list_t* pdf_page_search_text(zathura_page_t* page, const char* text);
+zathura_list_t* pdf_page_links_get(zathura_page_t* page);
+zathura_list_t* pdf_page_form_fields_get(zathura_page_t* page);
+GtkWidget* pdf_page_render(zathura_page_t* page);
+bool pdf_page_free(zathura_page_t* page);
+
+#endif // PDF_H