hyprpicker/src/hyprpicker.cpp
2024-09-29 18:24:57 +01:00

675 lines
26 KiB
C++

#include "hyprpicker.hpp"
#include <signal.h>
void sigHandler(int sig) {
g_pHyprpicker->m_vLayerSurfaces.clear();
exit(0);
}
void CHyprpicker::init() {
m_pXKBContext = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
if (!m_pXKBContext)
Debug::log(ERR, "Failed to create xkb context");
m_pWLDisplay = wl_display_connect(nullptr);
if (!m_pWLDisplay) {
Debug::log(CRIT, "No wayland compositor running!");
exit(1);
return;
}
signal(SIGTERM, sigHandler);
m_pRegistry = makeShared<CCWlRegistry>((wl_proxy*)wl_display_get_registry(m_pWLDisplay));
m_pRegistry->setGlobal([this](CCWlRegistry* r, uint32_t name, const char* interface, uint32_t version) {
if (strcmp(interface, wl_compositor_interface.name) == 0) {
m_pCompositor = makeShared<CCWlCompositor>((wl_proxy*)wl_registry_bind((wl_registry*)m_pRegistry->resource(), name, &wl_compositor_interface, 4));
} else if (strcmp(interface, wl_shm_interface.name) == 0) {
m_pSHM = makeShared<CCWlShm>((wl_proxy*)wl_registry_bind((wl_registry*)m_pRegistry->resource(), name, &wl_shm_interface, 1));
} else if (strcmp(interface, wl_output_interface.name) == 0) {
m_mtTickMutex.lock();
const auto PMONITOR = g_pHyprpicker->m_vMonitors
.emplace_back(std::make_unique<SMonitor>(
makeShared<CCWlOutput>((wl_proxy*)wl_registry_bind((wl_registry*)m_pRegistry->resource(), name, &wl_output_interface, 4))))
.get();
PMONITOR->wayland_name = name;
m_mtTickMutex.unlock();
} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
m_pLayerShell = makeShared<CCZwlrLayerShellV1>((wl_proxy*)wl_registry_bind((wl_registry*)m_pRegistry->resource(), name, &zwlr_layer_shell_v1_interface, 1));
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
m_pSeat = makeShared<CCWlSeat>((wl_proxy*)wl_registry_bind((wl_registry*)m_pRegistry->resource(), name, &wl_seat_interface, 1));
m_pSeat->setCapabilities([this](CCWlSeat* seat, uint32_t caps) {
if (caps & WL_SEAT_CAPABILITY_POINTER) {
if (!m_pPointer) {
m_pPointer = makeShared<CCWlPointer>(m_pSeat->sendGetPointer());
initMouse();
if (m_pCursorShapeMgr)
m_pCursorShapeDevice = makeShared<CCWpCursorShapeDeviceV1>(m_pCursorShapeMgr->sendGetPointer(m_pPointer->resource()));
}
} else {
Debug::log(CRIT, "Hyprpicker cannot work without a pointer!");
g_pHyprpicker->finish(1);
}
if (caps & WL_SEAT_CAPABILITY_KEYBOARD) {
if (!m_pKeyboard) {
m_pKeyboard = makeShared<CCWlKeyboard>(m_pSeat->sendGetKeyboard());
initKeyboard();
}
} else
m_pKeyboard.reset();
});
} else if (strcmp(interface, zwlr_screencopy_manager_v1_interface.name) == 0) {
m_pScreencopyMgr =
makeShared<CCZwlrScreencopyManagerV1>((wl_proxy*)wl_registry_bind((wl_registry*)m_pRegistry->resource(), name, &zwlr_screencopy_manager_v1_interface, 1));
} else if (strcmp(interface, wp_cursor_shape_manager_v1_interface.name) == 0) {
m_pCursorShapeMgr =
makeShared<CCWpCursorShapeManagerV1>((wl_proxy*)wl_registry_bind((wl_registry*)m_pRegistry->resource(), name, &wp_cursor_shape_manager_v1_interface, 1));
} else if (strcmp(interface, wp_fractional_scale_manager_v1_interface.name) == 0) {
m_pFractionalMgr =
makeShared<CCWpFractionalScaleManagerV1>((wl_proxy*)wl_registry_bind((wl_registry*)m_pRegistry->resource(), name, &wp_fractional_scale_manager_v1_interface, 1));
} else if (strcmp(interface, wp_viewporter_interface.name) == 0) {
m_pViewporter = makeShared<CCWpViewporter>((wl_proxy*)wl_registry_bind((wl_registry*)m_pRegistry->resource(), name, &wp_viewporter_interface, 1));
}
});
wl_display_roundtrip(m_pWLDisplay);
if (!m_pCursorShapeMgr)
Debug::log(ERR, "cursor_shape_v1 not supported, cursor won't be affected");
if (!m_pScreencopyMgr) {
Debug::log(CRIT, "zwlr_screencopy_v1 not supported, can't proceed");
exit(1);
}
if (!m_pFractionalMgr) {
Debug::log(WARN, "wp_fractional_scale_v1 not supported, fractional scaling won't work");
m_bNoFractional = true;
}
if (!m_pViewporter) {
Debug::log(WARN, "wp_viewporter not supported, fractional scaling won't work");
m_bNoFractional = true;
}
for (auto& m : m_vMonitors) {
m_vLayerSurfaces.emplace_back(std::make_unique<CLayerSurface>(m.get()));
m_pLastSurface = m_vLayerSurfaces.back().get();
m->pSCFrame = makeShared<CCZwlrScreencopyFrameV1>(m_pScreencopyMgr->sendCaptureOutput(false, m->output->resource()));
m->pLS = m_vLayerSurfaces.back().get();
m->initSCFrame();
}
wl_display_roundtrip(m_pWLDisplay);
while (m_bRunning && wl_display_dispatch(m_pWLDisplay) != -1) {
//renderSurface(m_pLastSurface);
}
if (m_pWLDisplay) {
wl_display_disconnect(m_pWLDisplay);
m_pWLDisplay = nullptr;
}
}
void CHyprpicker::finish(int code) {
m_vLayerSurfaces.clear();
if (m_pWLDisplay) {
m_vLayerSurfaces.clear();
m_vMonitors.clear();
m_pCompositor.reset();
m_pRegistry.reset();
m_pSHM.reset();
m_pLayerShell.reset();
m_pScreencopyMgr.reset();
m_pCursorShapeMgr.reset();
m_pCursorShapeDevice.reset();
m_pSeat.reset();
m_pKeyboard.reset();
m_pPointer.reset();
m_pViewporter.reset();
m_pFractionalMgr.reset();
wl_display_disconnect(m_pWLDisplay);
m_pWLDisplay = nullptr;
}
exit(code);
}
void CHyprpicker::recheckACK() {
for (auto& ls : m_vLayerSurfaces) {
if (ls->wantsACK) {
ls->wantsACK = false;
ls->pLayerSurface->sendAckConfigure(ls->ACKSerial);
const auto MONITORSIZE = ls->screenBuffer && !g_pHyprpicker->m_bNoFractional ? ls->screenBuffer->pixelSize : ls->m_pMonitor->size * ls->m_pMonitor->scale;
if (!ls->buffers[0] || ls->buffers[0]->pixelSize != MONITORSIZE) {
ls->buffers[0] = makeShared<SPoolBuffer>(MONITORSIZE, WL_SHM_FORMAT_ARGB8888, MONITORSIZE.x * 4);
ls->buffers[1] = makeShared<SPoolBuffer>(MONITORSIZE, WL_SHM_FORMAT_ARGB8888, MONITORSIZE.x * 4);
}
}
}
markDirty();
}
void CHyprpicker::markDirty() {
for (auto& ls : m_vLayerSurfaces) {
if (ls->frameCallback)
continue;
ls->markDirty();
}
}
SP<SPoolBuffer> CHyprpicker::getBufferForLS(CLayerSurface* pLS) {
SP<SPoolBuffer> returns = nullptr;
for (auto i = 0; i < 2; ++i) {
if (!pLS->buffers[i] || pLS->buffers[i]->busy)
continue;
returns = pLS->buffers[i];
}
return returns;
}
bool CHyprpicker::setCloexec(const int& FD) {
long flags = fcntl(FD, F_GETFD);
if (flags == -1) {
return false;
}
if (fcntl(FD, F_SETFD, flags | FD_CLOEXEC) == -1) {
return false;
}
return true;
}
int CHyprpicker::createPoolFile(size_t size, std::string& name) {
const auto XDGRUNTIMEDIR = getenv("XDG_RUNTIME_DIR");
if (!XDGRUNTIMEDIR) {
Debug::log(CRIT, "XDG_RUNTIME_DIR not set!");
g_pHyprpicker->finish(1);
}
name = std::string(XDGRUNTIMEDIR) + "/.hyprpicker_XXXXXX";
const auto FD = mkstemp((char*)name.c_str());
if (FD < 0) {
Debug::log(CRIT, "createPoolFile: fd < 0");
g_pHyprpicker->finish(1);
}
if (!setCloexec(FD)) {
close(FD);
Debug::log(CRIT, "createPoolFile: !setCloexec");
g_pHyprpicker->finish(1);
}
if (ftruncate(FD, size) < 0) {
close(FD);
Debug::log(CRIT, "createPoolFile: ftruncate < 0");
g_pHyprpicker->finish(1);
}
return FD;
}
void CHyprpicker::convertBuffer(SP<SPoolBuffer> pBuffer) {
switch (pBuffer->format) {
case WL_SHM_FORMAT_ARGB8888:
case WL_SHM_FORMAT_XRGB8888: break;
case WL_SHM_FORMAT_ABGR8888:
case WL_SHM_FORMAT_XBGR8888: {
uint8_t* data = (uint8_t*)pBuffer->data;
for (int y = 0; y < pBuffer->pixelSize.y; ++y) {
for (int x = 0; x < pBuffer->pixelSize.x; ++x) {
struct pixel {
// little-endian ARGB
unsigned char blue;
unsigned char green;
unsigned char red;
unsigned char alpha;
}* px = (struct pixel*)(data + y * (int)pBuffer->pixelSize.x * 4 + x * 4);
std::swap(px->red, px->blue);
}
}
} break;
case WL_SHM_FORMAT_XRGB2101010:
case WL_SHM_FORMAT_XBGR2101010: {
uint8_t* data = (uint8_t*)pBuffer->data;
const bool FLIP = pBuffer->format == WL_SHM_FORMAT_XBGR2101010;
for (int y = 0; y < pBuffer->pixelSize.y; ++y) {
for (int x = 0; x < pBuffer->pixelSize.x; ++x) {
uint32_t* px = (uint32_t*)(data + y * (int)pBuffer->pixelSize.x * 4 + x * 4);
// conv to 8 bit
uint8_t R = (uint8_t)std::round((255.0 * (((*px) & 0b00000000000000000000001111111111) >> 0) / 1023.0));
uint8_t G = (uint8_t)std::round((255.0 * (((*px) & 0b00000000000011111111110000000000) >> 10) / 1023.0));
uint8_t B = (uint8_t)std::round((255.0 * (((*px) & 0b00111111111100000000000000000000) >> 20) / 1023.0));
uint8_t A = (uint8_t)std::round((255.0 * (((*px) & 0b11000000000000000000000000000000) >> 30) / 3.0));
// write 8-bit values
*px = ((FLIP ? B : R) << 0) + (G << 8) + ((FLIP ? R : B) << 16) + (A << 24);
}
}
} break;
default: {
Debug::log(CRIT, "Unsupported format %i", pBuffer->format);
}
g_pHyprpicker->finish(1);
}
}
// Mallocs a new buffer, which needs to be free'd!
void* CHyprpicker::convert24To32Buffer(SP<SPoolBuffer> pBuffer) {
uint8_t* newBuffer = (uint8_t*)malloc((size_t)pBuffer->pixelSize.x * pBuffer->pixelSize.y * 4);
int newBufferStride = pBuffer->pixelSize.x * 4;
uint8_t* oldBuffer = (uint8_t*)pBuffer->data;
switch (pBuffer->format) {
case WL_SHM_FORMAT_BGR888: {
for (int y = 0; y < pBuffer->pixelSize.y; ++y) {
for (int x = 0; x < pBuffer->pixelSize.x; ++x) {
struct pixel3 {
// little-endian RGB
unsigned char blue;
unsigned char green;
unsigned char red;
}* srcPx = (struct pixel3*)(oldBuffer + y * pBuffer->stride + x * 3);
struct pixel4 {
// little-endian ARGB
unsigned char blue;
unsigned char green;
unsigned char red;
unsigned char alpha;
}* dstPx = (struct pixel4*)(newBuffer + y * newBufferStride + x * 4);
*dstPx = {srcPx->red, srcPx->green, srcPx->blue, 0xFF};
}
}
} break;
case WL_SHM_FORMAT_RGB888: {
for (int y = 0; y < pBuffer->pixelSize.y; ++y) {
for (int x = 0; x < pBuffer->pixelSize.x; ++x) {
struct pixel3 {
// big-endian RGB
unsigned char red;
unsigned char green;
unsigned char blue;
}* srcPx = (struct pixel3*)(oldBuffer + y * pBuffer->stride + x * 3);
struct pixel4 {
// big-endian ARGB
unsigned char alpha;
unsigned char red;
unsigned char green;
unsigned char blue;
}* dstPx = (struct pixel4*)(newBuffer + y * newBufferStride + x * 4);
*dstPx = {0xFF, srcPx->red, srcPx->green, srcPx->blue};
}
}
} break;
default: {
Debug::log(CRIT, "Unsupported format for 24bit buffer %i", pBuffer->format);
}
g_pHyprpicker->finish(1);
}
return newBuffer;
}
void CHyprpicker::renderSurface(CLayerSurface* pSurface, bool forceInactive) {
const auto PBUFFER = getBufferForLS(pSurface);
if (!PBUFFER || !pSurface->screenBuffer) {
// Debug::log(ERR, PBUFFER ? "renderSurface: pSurface->screenBuffer null" : "renderSurface: PBUFFER null");
return;
}
PBUFFER->surface =
cairo_image_surface_create_for_data((unsigned char*)PBUFFER->data, CAIRO_FORMAT_ARGB32, PBUFFER->pixelSize.x, PBUFFER->pixelSize.y, PBUFFER->pixelSize.x * 4);
PBUFFER->cairo = cairo_create(PBUFFER->surface);
const auto PCAIRO = PBUFFER->cairo;
cairo_save(PCAIRO);
cairo_set_source_rgba(PCAIRO, 0, 0, 0, 0);
cairo_rectangle(PCAIRO, 0, 0, PBUFFER->pixelSize.x, PBUFFER->pixelSize.y);
cairo_fill(PCAIRO);
if (pSurface == m_pLastSurface && !forceInactive) {
const auto SCALEBUFS = pSurface->screenBuffer->pixelSize / PBUFFER->pixelSize;
const auto MOUSECOORDSABS = m_vLastCoords.floor() / pSurface->m_pMonitor->size;
const auto CLICKPOS = MOUSECOORDSABS * PBUFFER->pixelSize;
const auto PATTERNPRE = cairo_pattern_create_for_surface(pSurface->screenBuffer->surface);
cairo_pattern_set_filter(PATTERNPRE, CAIRO_FILTER_BILINEAR);
cairo_matrix_t matrixPre;
cairo_matrix_init_identity(&matrixPre);
cairo_matrix_scale(&matrixPre, SCALEBUFS.x, SCALEBUFS.y);
cairo_pattern_set_matrix(PATTERNPRE, &matrixPre);
cairo_set_source(PCAIRO, PATTERNPRE);
cairo_paint(PCAIRO);
cairo_surface_flush(PBUFFER->surface);
cairo_pattern_destroy(PATTERNPRE);
// we draw the preview like this
//
// 200px ZOOM: 10x
// | --------- |
// | |
// | x | 200px
// | |
// | --------- |
//
cairo_restore(PCAIRO);
if (!m_bNoZoom) {
cairo_save(PCAIRO);
const auto CLICKPOSBUF = CLICKPOS / PBUFFER->pixelSize * pSurface->screenBuffer->pixelSize;
const auto PIXCOLOR = getColorFromPixel(pSurface, CLICKPOSBUF);
cairo_set_source_rgba(PCAIRO, PIXCOLOR.r / 255.f, PIXCOLOR.g / 255.f, PIXCOLOR.b / 255.f, PIXCOLOR.a / 255.f);
cairo_scale(PCAIRO, 1, 1);
cairo_arc(PCAIRO, CLICKPOS.x, CLICKPOS.y, 105 / SCALEBUFS.x, 0, 2 * M_PI);
cairo_clip(PCAIRO);
cairo_fill(PCAIRO);
cairo_paint(PCAIRO);
cairo_surface_flush(PBUFFER->surface);
cairo_restore(PCAIRO);
cairo_save(PCAIRO);
const auto PATTERN = cairo_pattern_create_for_surface(pSurface->screenBuffer->surface);
cairo_pattern_set_filter(PATTERN, CAIRO_FILTER_NEAREST);
cairo_matrix_t matrix;
cairo_matrix_init_identity(&matrix);
cairo_matrix_translate(&matrix, CLICKPOSBUF.x + 0.5f, CLICKPOSBUF.y + 0.5f);
cairo_matrix_scale(&matrix, 0.1f, 0.1f);
cairo_matrix_translate(&matrix, -CLICKPOSBUF.x / SCALEBUFS.x - 0.5f, -CLICKPOSBUF.y / SCALEBUFS.y - 0.5f);
cairo_pattern_set_matrix(PATTERN, &matrix);
cairo_set_source(PCAIRO, PATTERN);
cairo_arc(PCAIRO, CLICKPOS.x, CLICKPOS.y, 100 / SCALEBUFS.x, 0, 2 * M_PI);
cairo_clip(PCAIRO);
cairo_paint(PCAIRO);
cairo_surface_flush(PBUFFER->surface);
cairo_restore(PCAIRO);
cairo_pattern_destroy(PATTERN);
}
} else if (!m_bRenderInactive) {
cairo_set_operator(PCAIRO, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba(PCAIRO, 0, 0, 0, 0);
cairo_rectangle(PCAIRO, 0, 0, PBUFFER->pixelSize.x, PBUFFER->pixelSize.y);
cairo_fill(PCAIRO);
} else {
const auto SCALEBUFS = pSurface->screenBuffer->pixelSize / PBUFFER->pixelSize;
const auto PATTERNPRE = cairo_pattern_create_for_surface(pSurface->screenBuffer->surface);
cairo_pattern_set_filter(PATTERNPRE, CAIRO_FILTER_BILINEAR);
cairo_matrix_t matrixPre;
cairo_matrix_init_identity(&matrixPre);
cairo_matrix_scale(&matrixPre, SCALEBUFS.x, SCALEBUFS.y);
cairo_pattern_set_matrix(PATTERNPRE, &matrixPre);
cairo_set_source(PCAIRO, PATTERNPRE);
cairo_paint(PCAIRO);
cairo_surface_flush(PBUFFER->surface);
cairo_pattern_destroy(PATTERNPRE);
}
pSurface->sendFrame();
cairo_destroy(PCAIRO);
cairo_surface_destroy(PBUFFER->surface);
PBUFFER->busy = true;
PBUFFER->cairo = nullptr;
PBUFFER->surface = nullptr;
pSurface->rendered = true;
}
CColor CHyprpicker::getColorFromPixel(CLayerSurface* pLS, Vector2D pix) {
void* dataSrc = pLS->screenBuffer->paddedData ? pLS->screenBuffer->paddedData : pLS->screenBuffer->data;
struct pixel {
unsigned char blue;
unsigned char green;
unsigned char red;
unsigned char alpha;
}* px = (struct pixel*)((char*)dataSrc + (int)pix.y * (int)pLS->screenBuffer->pixelSize.x * 4 + (int)pix.x * 4);
return CColor{(uint8_t)px->red, (uint8_t)px->green, (uint8_t)px->blue, (uint8_t)px->alpha};
}
void CHyprpicker::initKeyboard() {
m_pKeyboard->setKeymap([this](CCWlKeyboard* r, wl_keyboard_keymap_format format, int32_t fd, uint32_t size) {
if (!m_pXKBContext)
return;
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1) {
Debug::log(ERR, "Could not recognise keymap format");
return;
}
const char* buf = (const char*)mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
if (buf == MAP_FAILED) {
Debug::log(ERR, "Failed to mmap xkb keymap: %d", errno);
return;
}
m_pXKBKeymap = xkb_keymap_new_from_buffer(m_pXKBContext, buf, size - 1, XKB_KEYMAP_FORMAT_TEXT_V1, XKB_KEYMAP_COMPILE_NO_FLAGS);
munmap((void*)buf, size);
close(fd);
if (!m_pXKBKeymap) {
Debug::log(ERR, "Failed to compile xkb keymap");
return;
}
m_pXKBState = xkb_state_new(m_pXKBKeymap);
if (!m_pXKBState) {
Debug::log(ERR, "Failed to create xkb state");
return;
}
});
m_pKeyboard->setKey([this](CCWlKeyboard* r, uint32_t serial, uint32_t time, uint32_t key, uint32_t state) {
if (state != WL_KEYBOARD_KEY_STATE_PRESSED)
return;
if (m_pXKBState) {
if (xkb_state_key_get_one_sym(m_pXKBState, key + 8) == XKB_KEY_Escape)
finish();
} else if (key == 1) // Assume keycode 1 is escape
finish();
});
}
void CHyprpicker::initMouse() {
m_pPointer->setEnter([this](CCWlPointer* r, uint32_t serial, wl_resource* surface, wl_fixed_t surface_x, wl_fixed_t surface_y) {
auto x = wl_fixed_to_double(surface_x);
auto y = wl_fixed_to_double(surface_y);
m_vLastCoords = {x, y};
markDirty();
for (auto& ls : m_vLayerSurfaces) {
if (ls->pSurface->resource() == surface) {
m_pLastSurface = ls.get();
break;
}
}
m_pCursorShapeDevice->sendSetShape(serial, WP_CURSOR_SHAPE_DEVICE_V1_SHAPE_CROSSHAIR);
});
m_pPointer->setLeave([this](CCWlPointer* r, uint32_t timeMs, wl_resource* surf) {
for (auto& ls : m_vLayerSurfaces) {
if (ls->pSurface->resource() == surf) {
renderSurface(ls.get(), true);
}
}
});
m_pPointer->setMotion([this](CCWlPointer* r, uint32_t timeMs, wl_fixed_t surface_x, wl_fixed_t surface_y) {
auto x = wl_fixed_to_double(surface_x);
auto y = wl_fixed_to_double(surface_y);
m_vLastCoords = {x, y};
markDirty();
});
m_pPointer->setButton([this](CCWlPointer* r, uint32_t serial, uint32_t time, uint32_t button, uint32_t button_state) {
auto fmax3 = [](float a, float b, float c) -> float { return (a > b && a > c) ? a : (b > c) ? b : c; };
auto fmin3 = [](float a, float b, float c) -> float { return (a < b && a < c) ? a : (b < c) ? b : c; };
// relative brightness of a color
// https://www.w3.org/TR/2008/REC-WCAG20-20081211/#relativeluminancedef
const auto FLUMI = [](const float& c) -> float { return c <= 0.03928 ? c / 12.92 : powf((c + 0.055) / 1.055, 2.4); };
// get the px and print it
const auto MOUSECOORDSABS = m_vLastCoords.floor() / m_pLastSurface->m_pMonitor->size;
const auto CLICKPOS = MOUSECOORDSABS * m_pLastSurface->screenBuffer->pixelSize;
const auto COL = getColorFromPixel(m_pLastSurface, CLICKPOS);
// threshold: (lumi_white + 0.05) / (x + 0.05) == (x + 0.05) / (lumi_black + 0.05)
// https://www.w3.org/TR/2008/REC-WCAG20-20081211/#contrast-ratiodef
const uint8_t FG = 0.2126 * FLUMI(COL.r / 255.0f) + 0.7152 * FLUMI(COL.g / 255.0f) + 0.0722 * FLUMI(COL.b / 255.0f) > 0.17913 ? 0 : 255;
switch (m_bSelectedOutputMode) {
case OUTPUT_CMYK: {
// http://www.codeproject.com/KB/applications/xcmyk.aspx
float r = 1 - COL.r / 255.0f, g = 1 - COL.g / 255.0f, b = 1 - COL.b / 255.0f;
float k = fmin3(r, g, b), K = (k == 1) ? 1 : 1 - k;
float c = (r - k) / K, m = (g - k) / K, y = (b - k) / K;
c = std::round(c * 100);
m = std::round(m * 100);
y = std::round(y * 100);
k = std::round(k * 100);
if (m_bFancyOutput)
Debug::log(NONE, "\033[38;2;%i;%i;%i;48;2;%i;%i;%im%g%% %g%% %g%% %g%%\033[0m", FG, FG, FG, COL.r, COL.g, COL.b, c, m, y, k);
else
Debug::log(NONE, "%g%% %g%% %g%% %g%%", c, m, y, k);
if (m_bAutoCopy)
Clipboard::copy("%g%% %g%% %g%% %g%%", c, m, y, k);
finish();
break;
}
case OUTPUT_HEX: {
auto toHex = [](int i) -> std::string {
const char* DS = "0123456789ABCDEF";
std::string result = "";
result += DS[i / 16];
result += DS[i % 16];
return result;
};
if (m_bFancyOutput)
Debug::log(NONE, "\033[38;2;%i;%i;%i;48;2;%i;%i;%im#%s%s%s\033[0m", FG, FG, FG, COL.r, COL.g, COL.b, toHex(COL.r).c_str(), toHex(COL.g).c_str(),
toHex(COL.b).c_str());
else
Debug::log(NONE, "#%s%s%s", toHex(COL.r).c_str(), toHex(COL.g).c_str(), toHex(COL.b).c_str());
if (m_bAutoCopy)
Clipboard::copy("#%s%s%s", toHex(COL.r).c_str(), toHex(COL.g).c_str(), toHex(COL.b).c_str());
finish();
break;
}
case OUTPUT_RGB: {
if (m_bFancyOutput)
Debug::log(NONE, "\033[38;2;%i;%i;%i;48;2;%i;%i;%im%i %i %i\033[0m", FG, FG, FG, COL.r, COL.g, COL.b, COL.r, COL.g, COL.b);
else
Debug::log(NONE, "%i %i %i", COL.r, COL.g, COL.b);
if (m_bAutoCopy)
Clipboard::copy("%i %i %i", COL.r, COL.g, COL.b);
finish();
break;
}
case OUTPUT_HSL:
case OUTPUT_HSV: {
// https://en.wikipedia.org/wiki/HSL_and_HSV#From_RGB
auto floatEq = [](float a, float b) -> bool {
return std::nextafter(a, std::numeric_limits<double>::lowest()) <= b && std::nextafter(a, std::numeric_limits<double>::max()) >= b;
};
float h, s, l, v;
float r = COL.r / 255.0f, g = COL.g / 255.0f, b = COL.b / 255.0f;
float max = fmax3(r, g, b), min = fmin3(r, g, b);
float c = max - min;
v = max;
if (c == 0)
h = 0;
else if (v == r)
h = 60 * (0 + (g - b) / c);
else if (v == g)
h = 60 * (2 + (b - r) / c);
else /* v == b */
h = 60 * (4 + (r - g) / c);
float l_or_v;
if (m_bSelectedOutputMode == OUTPUT_HSL) {
l = (max + min) / 2;
s = (floatEq(l, 0.0f) || floatEq(l, 1.0f)) ? 0 : (v - l) / std::min(l, 1 - l);
l_or_v = std::round(l * 100);
} else {
v = max;
s = floatEq(v, 0.0f) ? 0 : c / v;
l_or_v = std::round(v * 100);
}
h = std::round(h);
s = std::round(s * 100);
if (m_bFancyOutput)
Debug::log(NONE, "\033[38;2;%i;%i;%i;48;2;%i;%i;%im%g %g%% %g%%\033[0m", FG, FG, FG, COL.r, COL.g, COL.b, h, s, l_or_v);
else
Debug::log(NONE, "%g %g%% %g%%", h, s, l_or_v);
if (m_bAutoCopy)
Clipboard::copy("%g %g%% %g%%", h, s, l_or_v);
finish();
break;
}
}
finish();
});
}