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[Feat] Add screenshot to clipboard interaction #3184

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[Feat] Add screenshot to clipboard interaction #3184

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8 changes: 8 additions & 0 deletions application/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,14 @@ function(f3d_create_exec target_name)
target_include_directories(${target_name} PUBLIC $<BUILD_INTERFACE:${F3D_SOURCE_DIR}/external/nlohmann_json>)
endif ()

if (F3D_MODULE_CLIP)
if (F3D_USE_EXTERNAL_CLIP)
target_link_libraries(${target_name} PRIVATE clip::clip)
else ()
target_include_directories(${target_name} PRIVATE $<BUILD_INTERFACE:${F3D_SOURCE_DIR}/external/clip>)
endif ()
endif ()

if (F3D_MODULE_DMON)
if (F3D_USE_EXTERNAL_DMON)
target_link_libraries(${target_name} PRIVATE dmon::dmon)
Expand Down
59 changes: 57 additions & 2 deletions application/F3DStarter.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,10 @@
#include "tinyfiledialogs.h"
#endif

#if F3D_MODULE_CLIP
#include "clip.h"
#endif

#include "engine.h"
#include "interactor.h"
#include "log.h"
Expand All @@ -45,6 +49,7 @@
#include <cassert>
#include <cmath>
#include <csignal>
#include <cstdint>
#include <filesystem>
#include <format>
#include <fstream>
Expand All @@ -54,6 +59,7 @@
#include <numeric>
#include <regex>
#include <set>
#include <vector>

#ifdef _WIN32
#include <fcntl.h>
Expand Down Expand Up @@ -934,6 +940,9 @@ class F3DStarter::F3DInternals
interactor.addBinding({ mod_t::NONE, "F12" }, "take_screenshot", "Others", std::bind(docString, "Take a screenshot"));
#if F3D_MODULE_TINYFILEDIALOGS
interactor.addBinding({ mod_t::CTRL, "O" }, "open_file_dialog", "Others", std::bind(docString, "Open File Dialog"), f3d::interactor::BindingType::OTHER, true);
#endif
#if F3D_MODULE_CLIP
interactor.addBinding({ mod_t::SHIFT, "F12" }, "take_screenshot_to_clipboard", "Others", std::bind(docString, "Take a screenshot to clipboard"));
#endif
interactor.addBinding({ mod_t::CTRL, "F12" }, "take_minimal_screenshot", "Others", std::bind(docString, "Take a minimal screenshot"));

Expand Down Expand Up @@ -1822,7 +1831,7 @@ void F3DStarter::LoadFileGroupInternal(

// Unwatch and erase paths that should not be watched anymore
for (auto it = this->Internals->FolderWatchIds.begin();
it != this->Internals->FolderWatchIds.end();)
it != this->Internals->FolderWatchIds.end();)
{
const fs::path& path = it->first;
const dmon_watch_id& dmonId = it->second;
Expand Down Expand Up @@ -2307,7 +2316,8 @@ void F3DStarter::AddCommands()

interactor.addCommand(
"load_next_file_group",
[this](const std::vector<std::string>& args) {
[this](const std::vector<std::string>& args)
{
this->LoadRelativeFileGroup(
+1, parse_optional_bool_flag(args, "load_next_file_group", false));
},
Expand Down Expand Up @@ -2476,6 +2486,51 @@ void F3DStarter::AddCommands()
},
f3d::interactor::command_documentation_t{
"open_file_dialog", "open a file dialog to select a file to load" });
#endif
#if F3D_MODULE_CLIP
interactor.addCommand("take_screenshot_to_clipboard",
[this](const std::vector<std::string>& args)
{
f3d::image img = this->Internals->Engine->getWindow().renderToImage();
unsigned int channelCount = img.getChannelCount();
unsigned int channelTypeSize = img.getChannelTypeSize();
unsigned int imgWidth = img.getWidth();
unsigned int imgHeight = img.getHeight();

// Flip the image as img.getContent() gives upside down image
const size_t rowBytes = static_cast<size_t>(imgWidth) * channelCount * channelTypeSize;
auto* pixelData = static_cast<uint8_t*>(img.getContent());
std::vector<uint8_t> rowBuffer(rowBytes);
for (unsigned int row = 0; row < imgHeight / 2; ++row)
{
uint8_t* top = pixelData + static_cast<size_t>(row) * rowBytes;
uint8_t* bottom = pixelData + static_cast<size_t>(imgHeight - 1 - row) * rowBytes;
std::copy_n(top, rowBytes, rowBuffer.begin());
std::copy_n(bottom, rowBytes, top);
std::copy_n(rowBuffer.begin(), rowBytes, bottom);
}
const void* buffer = pixelData;

clip::image_spec spec;
spec.width = imgWidth;
spec.height = imgHeight;
spec.bits_per_pixel = 8u * channelCount * channelTypeSize;
spec.bytes_per_row = imgWidth * channelCount * channelTypeSize;
spec.red_mask = 0x000000FF;
spec.green_mask = 0x0000FF00;
spec.blue_mask = 0x00FF0000;
spec.alpha_mask = channelCount == 4 ? 0xFF000000 : 0x00000000;

clip::image clipImg(buffer, spec);
if (clip::set_image(clipImg))
{
f3d::log::info("Copied screenshot to the clipboard");
}
else
{
f3d::log::error("Error: couldn't copy screenshot to the clipboard");
}
});
#endif
interactor.addCommand(
"exit", [&](const std::vector<std::string>&) { interactor.stop(); },
Expand Down