Press i in pdf viewer to inverted color. (318718bf) · Commits · SUMMER2020 / students / EAF OSPP Summer 2020

app/pdf-viewer/buffer.py

+26 −2

Original line number	Diff line number	Diff line
		@@ -55,13 +55,17 @@ class AppBuffer(Buffer):
		self.buffer_widget.scroll_down()

		def save_session_data(self):
		return "{0}:{1}:{2}".format(self.buffer_widget.scroll_offset, self.buffer_widget.scale, self.buffer_widget.read_mode)
		return "{0}:{1}:{2}:{3}".format(self.buffer_widget.scroll_offset,
		self.buffer_widget.scale,
		self.buffer_widget.read_mode,
		self.buffer_widget.inverted_mode)

		def restore_session_data(self, session_data):
		(scroll_offset, scale, read_mode) = session_data.split(":")
		(scroll_offset, scale, read_mode, inverted_mode) = session_data.split(":")
		self.buffer_widget.scroll_offset = float(scroll_offset)
		self.buffer_widget.scale = float(scale)
		self.buffer_widget.read_mode = read_mode
		self.buffer_widget.inverted_mode = inverted_mode == "True"
		self.buffer_widget.update()

		def scroll_up(self):
		@@ -106,6 +110,9 @@ class AppBuffer(Buffer):
		def remeber_jump(self):
		self.buffer_widget.remeber_jump()

		def toggle_inverted_mode(self):
		self.buffer_widget.toggle_inverted_mode()

		class PdfViewerWidget(QWidget):
		translate_double_click_word = QtCore.pyqtSignal(str)

		@@ -129,6 +136,9 @@ class PdfViewerWidget(QWidget):
		self.scale = 1.0
		self.read_mode = "fit_to_width"

		# Inverted mode.
		self.inverted_mode = False

		# Init scroll attributes.
		self.scroll_step = 20
		self.scroll_offset = 0
		@@ -185,6 +195,10 @@ class PdfViewerWidget(QWidget):
		page = self.document[index]
		trans = self.page_cache_trans if self.page_cache_trans is not None else fitz.Matrix(scale, scale)
		pixmap = page.getPixmap(matrix=trans, alpha=False)

		if self.inverted_mode:
		pixmap.invertIRect(pixmap.irect)

		img = QImage(pixmap.samples, pixmap.width, pixmap.height, pixmap.stride, QImage.Format_RGB888)
		qpixmap = QPixmap.fromImage(img)

		@@ -373,6 +387,16 @@ class PdfViewerWidget(QWidget):
		self.update_scale()
		self.update()

		def toggle_inverted_mode(self):
		# Need clear page cache first, otherwise current page will not inverted until next page.
		self.page_cache_pixmap_dict.clear()

		# Toggle inverted status.
		self.inverted_mode = not self.inverted_mode

		# Re-render page.
		self.update()

		def jump_to_page(self, page_num):
		self.update_scroll_offset(min(max(self.scale * (int(page_num) - 1) * self.page_height, 0), self.max_scroll_offset()))

docs/KEYBINDING.md

+1 −0

Original line number	Diff line number	Diff line
		@@ -40,6 +40,7 @@ You can customize keys with option ```eaf-browser-keybinding``` or ```eaf-browse
		\| p \| Goto to percent \|
		\| [ \| Remember position \|
		\| ] \| Remember jump \|
		\| i \| Toggle inverted mode \|
		\| Double Click \| Use sdcv translate word under point \|

		You can customize keys with option ```eaf-pdfviewer-keybinding```

eaf.el

+1 −0

Original line number	Diff line number	Diff line
		@@ -185,6 +185,7 @@ by `dired-find-alternate-file'. Otherwise they will be opened normally with `dir
		("p" . "jump_to_percent")
		("[" . "remember_current_position")
		("]" . "remeber_jump")
		("i" . "toggle_inverted_mode")
		)
		"The keybinding of pdf viewer."
		:type 'cons