diff options
author | Matthew Olsson <matthewcolsson@gmail.com> | 2021-05-22 21:09:33 -0700 |
---|---|---|
committer | Ali Mohammad Pur <Ali.mpfard@gmail.com> | 2021-05-25 00:24:09 +0430 |
commit | bf96ad674cc4d6c78e4ac992fb95b197b2d91d7e (patch) | |
tree | 17f3d512416618c4a10cdc0ae51f004e45824209 /Userland/Libraries/LibPDF/Renderer.cpp | |
parent | 477e3946e50cdfcbd3ee3688e4529a7fa1d9e442 (diff) | |
download | serenity-bf96ad674cc4d6c78e4ac992fb95b197b2d91d7e.zip |
LibPDF: Implement stubs for all graphical commands
Diffstat (limited to 'Userland/Libraries/LibPDF/Renderer.cpp')
-rw-r--r-- | Userland/Libraries/LibPDF/Renderer.cpp | 161 |
1 files changed, 108 insertions, 53 deletions
diff --git a/Userland/Libraries/LibPDF/Renderer.cpp b/Userland/Libraries/LibPDF/Renderer.cpp index e02d80f5be..c1006466fd 100644 --- a/Userland/Libraries/LibPDF/Renderer.cpp +++ b/Userland/Libraries/LibPDF/Renderer.cpp @@ -9,6 +9,16 @@ #include <ctype.h> #include <math.h> +#define RENDERER_HANDLER(name) \ + void Renderer::handle_##name([[maybe_unused]] const Vector<Value>& args) + +#define RENDERER_TODO(name) \ + RENDERER_HANDLER(name) \ + { \ + dbgln("[PDF::Renderer] Unsupported draw operation " #name); \ + TODO(); \ + } + namespace PDF { void Renderer::render(Document& document, const Page& page, RefPtr<Gfx::Bitmap> bitmap) @@ -67,27 +77,32 @@ void Renderer::render() void Renderer::handle_command(const Command& command) { switch (command.command_type()) { -#define V(name, snake_name, symbol) \ - case CommandType::name: \ - return handle_##snake_name(command.arguments()); +#define V(name, snake_name, symbol) \ + case CommandType::name: \ + handle_##snake_name(command.arguments()); \ + break; ENUMERATE_COMMANDS(V) #undef V case CommandType::TextNextLineShowString: - return handle_text_next_line_show_string(command.arguments()); + handle_text_next_line_show_string(command.arguments()); + break; + case CommandType::TextNextLineShowStringSetSpacing: + handle_text_next_line_show_string_set_spacing(command.arguments()); + break; } } -void Renderer::handle_save_state(const Vector<Value>&) +RENDERER_HANDLER(save_state) { m_graphics_state_stack.append(state()); } -void Renderer::handle_restore_state(const Vector<Value>&) +RENDERER_HANDLER(restore_state) { m_graphics_state_stack.take_last(); } -void Renderer::handle_concatenate_matrix(const Vector<Value>& args) +RENDERER_HANDLER(concatenate_matrix) { Gfx::AffineTransform new_transform( args[0].to_float(), @@ -101,27 +116,27 @@ void Renderer::handle_concatenate_matrix(const Vector<Value>& args) m_text_rendering_matrix_is_dirty = true; } -void Renderer::handle_set_line_width(const Vector<Value>& args) +RENDERER_HANDLER(set_line_width) { state().line_width = args[0].to_float(); } -void Renderer::handle_set_line_cap(const Vector<Value>& args) +RENDERER_HANDLER(set_line_cap) { state().line_cap_style = static_cast<LineCapStyle>(args[0].as_int()); } -void Renderer::handle_set_line_join(const Vector<Value>& args) +RENDERER_HANDLER(set_line_join) { state().line_join_style = static_cast<LineJoinStyle>(args[0].as_int()); } -void Renderer::handle_set_miter_limit(const Vector<Value>& args) +RENDERER_HANDLER(set_miter_limit) { state().miter_limit = args[0].to_float(); } -void Renderer::handle_set_dash_pattern(const Vector<Value>& args) +RENDERER_HANDLER(set_dash_pattern) { auto dash_array = m_document->resolve_to<ArrayObject>(args[0]); Vector<int> pattern; @@ -130,26 +145,30 @@ void Renderer::handle_set_dash_pattern(const Vector<Value>& args) state().line_dash_pattern = LineDashPattern { pattern, args[1].as_int() }; } -void Renderer::handle_path_begin(const Vector<Value>&) -{ - m_path = Gfx::Path(); -} +RENDERER_TODO(set_color_rendering_intent); +RENDERER_TODO(set_flatness_tolerance); +RENDERER_TODO(set_graphics_state_from_dict); -void Renderer::handle_path_end(const Vector<Value>&) +RENDERER_HANDLER(path_begin) { + m_path = Gfx::Path(); } -void Renderer::handle_path_line(const Vector<Value>& args) +RENDERER_HANDLER(path_line) { m_path.line_to(map(args[0].to_float(), args[1].to_float())); } -void Renderer::handle_path_close(const Vector<Value>&) +RENDERER_TODO(path_cubic_bezier_curve); +RENDERER_TODO(path_cubic_bezier_curve_no_first_control); +RENDERER_TODO(path_cubic_bezier_curve_no_second_control); + +RENDERER_HANDLER(path_close) { m_path.close(); } -void Renderer::handle_path_append_rect(const Vector<Value>& args) +RENDERER_HANDLER(path_append_rect) { auto pos = map(args[0].to_float(), args[1].to_float()); auto size = map(Gfx::FloatSize { args[2].to_float(), args[3].to_float() }); @@ -161,78 +180,96 @@ void Renderer::handle_path_append_rect(const Vector<Value>& args) m_path.close(); } -void Renderer::handle_path_stroke(const Vector<Value>&) +RENDERER_HANDLER(path_stroke) { m_painter.stroke_path(m_path, state().stroke_color, state().line_width); } -void Renderer::handle_path_close_and_stroke(const Vector<Value>& args) +RENDERER_HANDLER(path_close_and_stroke) { m_path.close(); handle_path_stroke(args); } -void Renderer::handle_path_fill_nonzero(const Vector<Value>&) +RENDERER_HANDLER(path_fill_nonzero) { m_painter.fill_path(m_path, state().paint_color, Gfx::Painter::WindingRule::Nonzero); } -void Renderer::handle_path_fill_nonzero_deprecated(const Vector<Value>& args) +RENDERER_HANDLER(path_fill_nonzero_deprecated) { handle_path_fill_nonzero(args); } -void Renderer::handle_path_fill_evenodd(const Vector<Value>&) +RENDERER_HANDLER(path_fill_evenodd) { m_painter.fill_path(m_path, state().paint_color, Gfx::Painter::WindingRule::EvenOdd); } -void Renderer::handle_path_fill_stroke_nonzero(const Vector<Value>& args) +RENDERER_HANDLER(path_fill_stroke_nonzero) { m_painter.stroke_path(m_path, state().stroke_color, state().line_width); handle_path_fill_nonzero(args); } -void Renderer::handle_path_fill_stroke_evenodd(const Vector<Value>& args) +RENDERER_HANDLER(path_fill_stroke_evenodd) { m_painter.stroke_path(m_path, state().stroke_color, state().line_width); handle_path_fill_evenodd(args); } -void Renderer::handle_path_close_fill_stroke_nonzero(const Vector<Value>& args) +RENDERER_HANDLER(path_close_fill_stroke_nonzero) { m_path.close(); handle_path_fill_stroke_nonzero(args); } -void Renderer::handle_path_close_fill_stroke_evenodd(const Vector<Value>& args) +RENDERER_HANDLER(path_close_fill_stroke_evenodd) { m_path.close(); handle_path_fill_stroke_evenodd(args); } -void Renderer::handle_text_set_char_space(const Vector<Value>& args) +RENDERER_HANDLER(path_end) +{ +} + +RENDERER_TODO(path_intersect_clip_nonzero); +RENDERER_TODO(path_intersect_clip_evenodd); + +RENDERER_HANDLER(text_begin) +{ + m_text_matrix = Gfx::AffineTransform(); + m_text_line_matrix = Gfx::AffineTransform(); +} + +RENDERER_HANDLER(text_end) +{ + // FIXME: Do we need to do anything here? +} + +RENDERER_HANDLER(text_set_char_space) { text_state().character_spacing = args[0].to_float(); } -void Renderer::handle_text_set_word_space(const Vector<Value>& args) +RENDERER_HANDLER(text_set_word_space) { text_state().word_spacing = args[0].to_float(); } -void Renderer::handle_text_set_horizontal_scale(const Vector<Value>& args) +RENDERER_HANDLER(text_set_horizontal_scale) { m_text_rendering_matrix_is_dirty = true; text_state().horizontal_scaling = args[0].to_float() / 100.0f; } -void Renderer::handle_text_set_leading(const Vector<Value>& args) +RENDERER_HANDLER(text_set_leading) { text_state().leading = args[0].to_float(); } -void Renderer::handle_text_set_font(const Vector<Value>& args) +RENDERER_HANDLER(text_set_font) { auto target_font_name = m_document->resolve_to<NameObject>(args[0])->name(); auto fonts_dictionary = m_page.resources->get_dict(m_document, "Font"); @@ -268,29 +305,18 @@ void Renderer::handle_text_set_font(const Vector<Value>& args) m_text_rendering_matrix_is_dirty = true; } -void Renderer::handle_text_set_rendering_mode(const Vector<Value>& args) +RENDERER_HANDLER(text_set_rendering_mode) { text_state().rendering_mode = static_cast<TextRenderingMode>(args[0].as_int()); } -void Renderer::handle_text_set_rise(const Vector<Value>& args) +RENDERER_HANDLER(text_set_rise) { m_text_rendering_matrix_is_dirty = true; text_state().rise = args[0].to_float(); } -void Renderer::handle_text_begin(const Vector<Value>&) -{ - m_text_matrix = Gfx::AffineTransform(); - m_text_line_matrix = Gfx::AffineTransform(); -} - -void Renderer::handle_text_end(const Vector<Value>&) -{ - // FIXME: Do we need to do anything here? -} - -void Renderer::handle_text_next_line_offset(const Vector<Value>& args) +RENDERER_HANDLER(text_next_line_offset) { Gfx::AffineTransform transform(1.0f, 0.0f, 0.0f, 1.0f, args[0].to_float(), args[1].to_float()); transform.multiply(m_text_line_matrix); @@ -299,13 +325,13 @@ void Renderer::handle_text_next_line_offset(const Vector<Value>& args) m_text_rendering_matrix_is_dirty = true; } -void Renderer::handle_text_next_line_and_set_leading(const Vector<Value>& args) +RENDERER_HANDLER(text_next_line_and_set_leading) { text_state().leading = -args[1].to_float(); handle_text_next_line_offset(args); } -void Renderer::handle_text_set_matrix_and_line_matrix(const Vector<Value>& args) +RENDERER_HANDLER(text_set_matrix_and_line_matrix) { Gfx::AffineTransform new_transform( args[0].to_float(), @@ -319,23 +345,52 @@ void Renderer::handle_text_set_matrix_and_line_matrix(const Vector<Value>& args) m_text_rendering_matrix_is_dirty = true; } -void Renderer::handle_text_next_line(const Vector<Value>&) +RENDERER_HANDLER(text_next_line) { handle_text_next_line_offset({ 0.0f, -text_state().leading }); } -void Renderer::handle_text_show_string(const Vector<Value>& args) +RENDERER_HANDLER(text_show_string) { auto text = m_document->resolve_to<StringObject>(args[0])->string(); show_text(text); } -void Renderer::handle_text_next_line_show_string(const Vector<Value>& args) +RENDERER_HANDLER(text_next_line_show_string) { handle_text_next_line(args); handle_text_show_string(args); } +RENDERER_TODO(text_next_line_show_string_set_spacing); +RENDERER_TODO(text_show_string_array); +RENDERER_TODO(type3_font_set_glyph_width); +RENDERER_TODO(type3_font_set_glyph_width_and_bbox); +RENDERER_TODO(color_set_stroking_space); +RENDERER_TODO(color_set_painting_space); +RENDERER_TODO(color_set_stroking); +RENDERER_TODO(color_set_stroking_extended); +RENDERER_TODO(color_set_painting); +RENDERER_TODO(color_set_painting_extended); +RENDERER_TODO(color_set_stroking_space_to_gray); +RENDERER_TODO(color_set_painting_space_to_gray); +RENDERER_TODO(color_set_stroking_space_to_rgb); +RENDERER_TODO(color_set_painting_space_to_rgb); +RENDERER_TODO(color_set_stroking_space_to_cmyk); +RENDERER_TODO(color_set_painting_space_to_cmyk); +RENDERER_TODO(shade); +RENDERER_TODO(inline_image_begin); +RENDERER_TODO(inline_image_begin_data); +RENDERER_TODO(inline_image_end); +RENDERER_TODO(paint_xobject); +RENDERER_TODO(marked_content_point); +RENDERER_TODO(marked_content_designate); +RENDERER_TODO(marked_content_begin); +RENDERER_TODO(marked_content_begin_with_property_list); +RENDERER_TODO(marked_content_end); +RENDERER_TODO(compatibility_begin); +RENDERER_TODO(compatibility_end); + template<typename T> Gfx::Point<T> Renderer::map(T x, T y) const { |