polybar/src/cairo/utils.cpp

89 lines
2.7 KiB
C++

#include "cairo/utils.hpp"
#include <map>
POLYBAR_NS
namespace cairo {
namespace utils {
// implementation : device_lock {{{
device_lock::device_lock(cairo_device_t* device) {
auto status = cairo_device_acquire(device);
if (status == CAIRO_STATUS_SUCCESS) {
m_device = device;
}
}
device_lock::~device_lock() {
cairo_device_release(m_device);
}
device_lock::operator bool() const {
return m_device != nullptr;
}
device_lock::operator cairo_device_t*() const {
return m_device;
}
// }}}
// implementation : ft_face_lock {{{
ft_face_lock::ft_face_lock(cairo_scaled_font_t* font) : m_font(font) {
m_face = cairo_ft_scaled_font_lock_face(m_font);
}
ft_face_lock::~ft_face_lock() {
cairo_ft_scaled_font_unlock_face(m_font);
}
ft_face_lock::operator FT_Face() const {
return m_face;
}
// }}}
/**
* @see <cairo/cairo.h>
*/
cairo_operator_t str2operator(const string& mode, cairo_operator_t fallback) {
if (mode.empty()) {
return fallback;
}
static std::map<string, cairo_operator_t> modes;
if (modes.empty()) {
modes["clear"s] = CAIRO_OPERATOR_CLEAR;
modes["source"s] = CAIRO_OPERATOR_SOURCE;
modes["over"s] = CAIRO_OPERATOR_OVER;
modes["in"s] = CAIRO_OPERATOR_IN;
modes["out"s] = CAIRO_OPERATOR_OUT;
modes["atop"s] = CAIRO_OPERATOR_ATOP;
modes["dest"s] = CAIRO_OPERATOR_DEST;
modes["dest-over"s] = CAIRO_OPERATOR_DEST_OVER;
modes["dest-in"s] = CAIRO_OPERATOR_DEST_IN;
modes["dest-out"s] = CAIRO_OPERATOR_DEST_OUT;
modes["dest-atop"s] = CAIRO_OPERATOR_DEST_ATOP;
modes["xor"s] = CAIRO_OPERATOR_XOR;
modes["add"s] = CAIRO_OPERATOR_ADD;
modes["saturate"s] = CAIRO_OPERATOR_SATURATE;
modes["multiply"s] = CAIRO_OPERATOR_MULTIPLY;
modes["screen"s] = CAIRO_OPERATOR_SCREEN;
modes["overlay"s] = CAIRO_OPERATOR_OVERLAY;
modes["darken"s] = CAIRO_OPERATOR_DARKEN;
modes["lighten"s] = CAIRO_OPERATOR_LIGHTEN;
modes["color-dodge"s] = CAIRO_OPERATOR_COLOR_DODGE;
modes["color-burn"s] = CAIRO_OPERATOR_COLOR_BURN;
modes["hard-light"s] = CAIRO_OPERATOR_HARD_LIGHT;
modes["soft-light"s] = CAIRO_OPERATOR_SOFT_LIGHT;
modes["difference"s] = CAIRO_OPERATOR_DIFFERENCE;
modes["exclusion"s] = CAIRO_OPERATOR_EXCLUSION;
modes["hsl-hue"s] = CAIRO_OPERATOR_HSL_HUE;
modes["hsl-saturation"s] = CAIRO_OPERATOR_HSL_SATURATION;
modes["hsl-color"s] = CAIRO_OPERATOR_HSL_COLOR;
modes["hsl-luminosity"s] = CAIRO_OPERATOR_HSL_LUMINOSITY;
}
auto it = modes.find(mode);
return it != modes.end() ? it->second : fallback;
}
} // namespace utils
} // namespace cairo
POLYBAR_NS_END