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/* ========================================================================= */
/**
* @file primitives.c
*
* @copyright
* Copyright 2023 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "primitives.h"
/* == Exported methods ===================================================== */
/* ------------------------------------------------------------------------- */
void wlm_primitives_set_bezel_color(
cairo_t *cairo_ptr,
bool illuminated)
{
if (illuminated) {
cairo_set_source_rgba(cairo_ptr, 1.0, 1.0, 1.0, 0.6);
} else {
cairo_set_source_rgba(cairo_ptr, 0.0, 0.0, 0.0, 0.4);
}
}
/* ------------------------------------------------------------------------- */
void wlm_primitives_draw_bezel_at(
cairo_t *cairo_ptr,
int x,
int y,
unsigned width,
unsigned height,
double bezel_width,
bool raised)
{
cairo_save(cairo_ptr);
cairo_set_line_width(cairo_ptr, 0);
// Northwestern corner is illuminted when raised.
wlm_primitives_set_bezel_color(cairo_ptr, raised);
cairo_move_to(cairo_ptr, x, y);
cairo_line_to(cairo_ptr, x + width, y + 0);
cairo_line_to(cairo_ptr, x + width - bezel_width, y + bezel_width);
cairo_line_to(cairo_ptr, x + bezel_width, y + bezel_width);
cairo_line_to(cairo_ptr, x + bezel_width, y + height - bezel_width);
cairo_line_to(cairo_ptr, x + 0, y + height);
cairo_line_to(cairo_ptr, x + 0, y + 0);
cairo_fill(cairo_ptr);
// Southeastern corner is illuminated when sunken.
wlm_primitives_set_bezel_color(cairo_ptr, !raised);
cairo_move_to(cairo_ptr, x + width, y + height);
cairo_line_to(cairo_ptr, x + 0, y + height);
cairo_line_to(cairo_ptr, x + bezel_width, y + height - bezel_width);
cairo_line_to(cairo_ptr, x + width - bezel_width, y + height - bezel_width);
cairo_line_to(cairo_ptr, x + width - bezel_width, y + bezel_width);
cairo_line_to(cairo_ptr, x + width, y + 0);
cairo_line_to(cairo_ptr, x + width, y + height);
cairo_fill(cairo_ptr);
cairo_restore(cairo_ptr);
}
/* == End of primitives.c ================================================== */
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