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highgui: update error messages if no builtin backend

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pull/20250/head
Alexander Alekhin 3 years ago
parent 3e538355e2
commit f4abafb093
5 changed files with 176 additions and 4 deletions
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  1. 5
      modules/highgui/CMakeLists.txt
  2. 1
      modules/highgui/src/backend.cpp
  3. 3
      modules/highgui/src/precomp.hpp
  4. 2
      modules/highgui/src/registry.impl.hpp
  5. 169
      modules/highgui/src/window.cpp

5
modules/highgui/CMakeLists.txt
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@ -281,5 +281,10 @@ ocv_target_link_libraries(${the_module} LINK_PRIVATE ${tgts})
set(CONFIG_STR "// Auto-generated file
#define OPENCV_HIGHGUI_BUILTIN_BACKEND_STR \"${OPENCV_HIGHGUI_BUILTIN_BACKEND}\"
")
if(OPENCV_HIGHGUI_BUILTIN_BACKEND STREQUAL "NONE")
set(CONFIG_STR "${CONFIG_STR}
#define OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND 1
")
endif()
ocv_update_file("${CMAKE_CURRENT_BINARY_DIR}/opencv_highgui_config.hpp" "${CONFIG_STR}")

1
modules/highgui/src/backend.cpp
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@ -2,7 +2,6 @@
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
#include "precomp.hpp"
#include "opencv_highgui_config.hpp" // generated by CMake
#include "backend.hpp"
#include <opencv2/core/utils/configuration.private.hpp>

3
modules/highgui/src/precomp.hpp
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@ -47,6 +47,9 @@
#endif
#include "opencv2/highgui.hpp"
#if !defined(BUILD_PLUGIN)
#include "opencv_highgui_config.hpp" // generated by CMake
#endif
#include "opencv2/core/utility.hpp"
#if defined(__OPENCV_BUILD)

2
modules/highgui/src/registry.impl.hpp
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@ -162,7 +162,9 @@ public:
const BackendInfo& info = enabledBackends[i];
os << info.name << '(' << info.priority << ')';
}
#if !defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND)
os << " + BUILTIN(" OPENCV_HIGHGUI_BUILTIN_BACKEND_STR ")";
#endif
return os.str();
}

169
modules/highgui/src/window.cpp
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@ -179,6 +179,14 @@ static void cleanupTrackbarCallbacksWithData_()
using namespace cv::impl;
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
static void deprecateNotFoundNoOpBehavior()
{
CV_LOG_ONCE_WARNING(NULL, "This no-op behavior is deprecated. Future versions of OpenCV will trigger exception in this case");
}
#define CV_NOT_FOUND_DEPRECATION deprecateNotFoundNoOpBehavior()
#endif
CV_IMPL void cvSetWindowProperty(const char* name, int prop_id, double prop_value)
{
CV_TRACE_FUNCTION();
@ -193,6 +201,19 @@ CV_IMPL void cvSetWindowProperty(const char* name, int prop_id, double prop_valu
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << name << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return;
#else
switch(prop_id)
{
//change between fullscreen or not.
@ -249,6 +270,7 @@ CV_IMPL void cvSetWindowProperty(const char* name, int prop_id, double prop_valu
default:;
}
#endif
}
/* return -1 if error */
@ -268,6 +290,19 @@ CV_IMPL double cvGetWindowProperty(const char* name, int prop_id)
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << name << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return -1;
#else
switch(prop_id)
{
case CV_WND_PROP_FULLSCREEN:
@ -361,13 +396,13 @@ CV_IMPL double cvGetWindowProperty(const char* name, int prop_id)
default:
return -1;
}
#endif
}
cv::Rect cvGetWindowImageRect(const char* name)
{
CV_TRACE_FUNCTION();
if (!name)
return cv::Rect(-1, -1, -1, -1);
CV_Assert(name);
{
auto window = findWindow_(name);
@ -377,6 +412,20 @@ cv::Rect cvGetWindowImageRect(const char* name)
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << name << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return Rect(-1, -1, -1, -1);
#else
#if defined (HAVE_QT)
return cvGetWindowRect_QT(name);
#elif defined(HAVE_WIN32UI)
@ -386,8 +435,10 @@ cv::Rect cvGetWindowImageRect(const char* name)
#elif defined (HAVE_COCOA)
return cvGetWindowRect_COCOA(name);
#else
return cv::Rect(-1, -1, -1, -1);
return Rect(-1, -1, -1, -1);
#endif
#endif
}
cv::Rect cv::getWindowImageRect(const String& winname)
@ -483,7 +534,21 @@ void cv::resizeWindow( const String& winname, int width, int height )
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << winname << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return;
#else
cvResizeWindow( winname.c_str(), width, height );
#endif
}
void cv::resizeWindow(const String& winname, const cv::Size& size)
@ -504,7 +569,21 @@ void cv::moveWindow( const String& winname, int x, int y )
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << winname << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return;
#else
cvMoveWindow( winname.c_str(), x, y );
#endif
}
void cv::setWindowProperty(const String& winname, int prop_id, double prop_value)
@ -616,8 +695,22 @@ int cv::createTrackbar(const String& trackbarName, const String& winName,
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << winName << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return 0;
#else
return cvCreateTrackbar2(trackbarName.c_str(), winName.c_str(),
value, count, callback, userdata);
#endif
}
void cv::setTrackbarPos( const String& trackbarName, const String& winName, int value )
@ -635,7 +728,21 @@ void cv::setTrackbarPos( const String& trackbarName, const String& winName, int
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << winName << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return;
#else
cvSetTrackbarPos(trackbarName.c_str(), winName.c_str(), value );
#endif
}
void cv::setTrackbarMax(const String& trackbarName, const String& winName, int maxval)
@ -655,7 +762,21 @@ void cv::setTrackbarMax(const String& trackbarName, const String& winName, int m
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << winName << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return;
#else
cvSetTrackbarMax(trackbarName.c_str(), winName.c_str(), maxval);
#endif
}
void cv::setTrackbarMin(const String& trackbarName, const String& winName, int minval)
@ -675,7 +796,21 @@ void cv::setTrackbarMin(const String& trackbarName, const String& winName, int m
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << winName << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return;
#else
cvSetTrackbarMin(trackbarName.c_str(), winName.c_str(), minval);
#endif
}
int cv::getTrackbarPos( const String& trackbarName, const String& winName )
@ -693,7 +828,21 @@ int cv::getTrackbarPos( const String& trackbarName, const String& winName )
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << winName << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return -1;
#else
return cvGetTrackbarPos(trackbarName.c_str(), winName.c_str());
#endif
}
void cv::setMouseCallback( const String& windowName, MouseCallback onMouse, void* param)
@ -709,7 +858,21 @@ void cv::setMouseCallback( const String& windowName, MouseCallback onMouse, void
}
}
#if defined(OPENCV_HIGHGUI_WITHOUT_BUILTIN_BACKEND) && defined(ENABLE_PLUGINS)
auto backend = getCurrentUIBackend();
if (backend)
{
CV_LOG_WARNING(NULL, "Can't find window with name: '" << windowName << "'. Do nothing");
CV_NOT_FOUND_DEPRECATION;
}
else
{
CV_LOG_WARNING(NULL, "No UI backends available. Use OPENCV_LOG_LEVEL=DEBUG for investigation");
}
return;
#else
cvSetMouseCallback(windowName.c_str(), onMouse, param);
#endif
}
int cv::getMouseWheelDelta( int flags )

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