Abstract base class for plotting backends
This module defines the common interface that all plotting backends (PNG, PDF, ASCII) must implement. Provides polymorphic interface for unified plotting operations across different output formats.
Author: fortplot contributors
| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| integer, | public | :: | width | ||||
| integer, | public | :: | height | ||||
| real(kind=wp), | public | :: | x_min | ||||
| real(kind=wp), | public | :: | x_max | ||||
| real(kind=wp), | public | :: | y_min | ||||
| real(kind=wp), | public | :: | y_max | ||||
| logical, | public | :: | has_rendered_arrows | = | .false. | ||
| logical, | public | :: | uses_vector_arrows | = | .false. | ||
| logical, | public | :: | has_triangular_arrows | = | .false. |
| procedure(line_interface), public, deferred :: line | |
| procedure(color_interface), public, deferred :: color | |
| procedure(text_interface), public, deferred :: text | |
| procedure(save_interface), public, deferred :: save | |
| procedure(line_width_interface), public, deferred :: set_line_width | |
| procedure(line_style_interface), public, deferred :: set_line_style | |
| procedure(marker_interface), public, deferred :: draw_marker | |
| procedure(marker_colors_interface), public, deferred :: set_marker_colors | |
| procedure(marker_colors_alpha_interface), public, deferred :: set_marker_colors_with_alpha | |
| procedure(arrow_interface), public, deferred :: draw_arrow | |
| procedure(ascii_output_interface), public, deferred :: get_ascii_output | Additional polymorphic methods to eliminate SELECT TYPE violations |
| procedure(get_width_scale_interface), public, deferred :: get_width_scale | |
| procedure(get_height_scale_interface), public, deferred :: get_height_scale | |
| procedure(fill_quad_interface), public, deferred :: fill_quad | |
| procedure(fill_heatmap_interface), public, deferred :: fill_heatmap | |
| procedure(extract_rgb_data_interface), public, deferred :: extract_rgb_data | |
| procedure(get_png_data_interface), public, deferred :: get_png_data_backend | |
| procedure(prepare_3d_data_interface), public, deferred :: prepare_3d_data | |
| procedure(render_ylabel_interface), public, deferred :: render_ylabel | |
| procedure(draw_axes_and_labels_interface), public, deferred :: draw_axes_and_labels_backend | |
| procedure(save_coordinates_interface), public, deferred :: save_coordinates | |
| procedure(set_coordinates_interface), public, deferred :: set_coordinates | |
| procedure(render_axes_interface), public, deferred :: render_axes |
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(plot_context), | intent(inout) | :: | ctx | |||
| integer, | intent(in) | :: | width | |||
| integer, | intent(in) | :: | height |