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moved OpenGL wrappers to separate header

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added GlBuffer, GlTexture and GpuMat support to InputArray
replaced addTextOpenGl function by render + GlFont
This commit is contained in:
Vladislav Vinogradov
2011-11-30 06:20:29 +00:00
parent 59ea0d8ee8
commit bd4239be7b
13 changed files with 2477 additions and 2480 deletions
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279
modules/highgui/src/window.cpp
View File

@@ -40,6 +40,7 @@
//M*/
#include "precomp.hpp"
#include "opencv2/core/opengl_interop.hpp"
// in later times, use this file as a dispatcher to implementations like cvcap.cpp
@@ -284,7 +285,7 @@ namespace
struct GlObjTex : GlObjBase
{
cv::gpu::GlTexture tex;
cv::GlTexture tex;
};
void CV_CDECL glDrawTextureCallback(void* userdata)
@@ -293,17 +294,17 @@ namespace
CV_DbgAssert(texObj->flag == CV_TEXTURE_MAGIC_VAL);
static cv::gpu::GlCamera glCamera;
static cv::GlCamera glCamera;
glCamera.setupProjectionMatrix();
cv::gpu::render(texObj->tex);
cv::render(texObj->tex);
}
struct GlObjPointCloud : GlObjBase
{
cv::gpu::GlArrays arr;
cv::gpu::GlCamera camera;
cv::GlArrays arr;
cv::GlCamera camera;
};
void CV_CDECL glDrawPointCloudCallback(void* userdata)
@@ -315,7 +316,7 @@ namespace
pointCloudObj->camera.setupProjectionMatrix();
pointCloudObj->camera.setupModelViewMatrix();
cv::gpu::render(pointCloudObj->arr);
cv::render(pointCloudObj->arr);
}
void CV_CDECL glCleanCallback(void* userdata)
@@ -327,20 +328,31 @@ namespace
}
#endif // HAVE_OPENGL
#ifdef HAVE_OPENGL
namespace
void cv::imshow( const string& winname, InputArray _img )
{
template <typename T> void imshowImpl(const std::string& winname, const T& img)
#ifndef HAVE_OPENGL
Mat img = _img.getMat();
CvMat c_img = img;
cvShowImage(winname.c_str(), &c_img);
#else
double useGl = getWindowProperty(winname, WND_PROP_OPENGL);
if (useGl <= 0)
{
Mat img = _img.getMat();
CvMat c_img = img;
cvShowImage(winname.c_str(), &c_img);
}
else
{
using namespace cv;
namedWindow(winname, WINDOW_OPENGL | WINDOW_AUTOSIZE);
double autoSize = getWindowProperty(winname, WND_PROP_AUTOSIZE);
if (autoSize > 0)
resizeWindow(winname, img.cols, img.rows);
{
Size size = _img.size();
resizeWindow(winname, size.width, size.height);
}
setOpenGlContext(winname);
@@ -355,12 +367,12 @@ namespace
if (glObj)
{
GlObjTex* texObj = static_cast<GlObjTex*>(glObj);
texObj->tex.copyFrom(img);
texObj->tex.copyFrom(_img);
}
else
{
GlObjTex* texObj = new GlObjTex;
texObj->tex.copyFrom(img);
texObj->tex.copyFrom(_img);
glObj = texObj;
glObj->flag = CV_TEXTURE_MAGIC_VAL;
@@ -375,99 +387,10 @@ namespace
updateWindow(winname);
}
}
#endif // HAVE_OPENGL
void cv::imshow( const string& winname, InputArray _img )
{
Mat img = _img.getMat();
#ifndef HAVE_OPENGL
CvMat c_img = img;
cvShowImage(winname.c_str(), &c_img);
#else
double useGl = getWindowProperty(winname, WND_PROP_OPENGL);
if (useGl <= 0)
{
CvMat c_img = img;
cvShowImage(winname.c_str(), &c_img);
}
else
{
imshowImpl(winname, img);
}
#endif
}
void cv::imshow(const string& winname, const gpu::GlBuffer& buf)
{
#ifndef HAVE_OPENGL
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
#else
imshowImpl(winname, buf);
#endif
}
void cv::imshow(const string& winname, const gpu::GpuMat& d_mat)
{
#ifndef HAVE_OPENGL
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
#else
setOpenGlContext(winname);
gpu::GlBuffer buf(d_mat, gpu::GlBuffer::TEXTURE_BUFFER);
imshow(winname, buf);
#endif
}
void cv::imshow(const string& winname, const gpu::GlTexture& tex)
{
#ifndef HAVE_OPENGL
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
#else
namedWindow(winname, WINDOW_OPENGL | WINDOW_AUTOSIZE);
double autoSize = getWindowProperty(winname, WND_PROP_AUTOSIZE);
if (autoSize > 0)
resizeWindow(winname, tex.cols, tex.rows);
setOpenGlContext(winname);
GlObjBase* glObj = findGlObjByName(winname);
if (glObj && glObj->flag != CV_TEXTURE_MAGIC_VAL)
{
icvSetOpenGlCleanCallback(winname.c_str(), 0, 0);
glObj = 0;
}
if (glObj)
{
GlObjTex* texObj = static_cast<GlObjTex*>(glObj);
texObj->tex = tex;
}
else
{
GlObjTex* texObj = new GlObjTex;
texObj->tex = tex;
glObj = texObj;
glObj->flag = CV_TEXTURE_MAGIC_VAL;
glObj->winname = winname;
addGlObj(glObj);
icvSetOpenGlCleanCallback(winname.c_str(), glCleanCallback, glObj);
}
setOpenGlDrawCallback(winname, glDrawTextureCallback, glObj);
updateWindow(winname);
#endif
}
void cv::pointCloudShow(const string& winname, const gpu::GlCamera& camera, const gpu::GlArrays& arr)
void cv::pointCloudShow(const string& winname, const GlCamera& camera, const GlArrays& arr)
{
#ifndef HAVE_OPENGL
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
@@ -511,104 +434,60 @@ void cv::pointCloudShow(const string& winname, const gpu::GlCamera& camera, cons
#endif
}
#ifdef HAVE_OPENGL
namespace
void cv::pointCloudShow(const std::string& winname, const cv::GlCamera& camera, InputArray points, InputArray colors)
{
template <typename T> void pointCloudShowImpl(const std::string& winname, const cv::gpu::GlCamera& camera, const T& points, const T& colors)
#ifndef HAVE_OPENGL
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
#else
namedWindow(winname, WINDOW_OPENGL);
setOpenGlContext(winname);
GlObjBase* glObj = findGlObjByName(winname);
if (glObj && glObj->flag != CV_POINT_CLOUD_MAGIC_VAL)
{
using namespace cv;
namedWindow(winname, WINDOW_OPENGL);
setOpenGlContext(winname);
GlObjBase* glObj = findGlObjByName(winname);
if (glObj && glObj->flag != CV_POINT_CLOUD_MAGIC_VAL)
{
icvSetOpenGlCleanCallback(winname.c_str(), 0, 0);
glObj = 0;
}
if (glObj)
{
GlObjPointCloud* pointCloudObj = static_cast<GlObjPointCloud*>(glObj);
pointCloudObj->arr.setVertexArray(points);
if (colors.empty())
pointCloudObj->arr.resetColorArray();
else
pointCloudObj->arr.setColorArray(colors);
pointCloudObj->camera = camera;
}
else
{
GlObjPointCloud* pointCloudObj = new GlObjPointCloud;
pointCloudObj->arr.setVertexArray(points);
if (!colors.empty())
pointCloudObj->arr.setColorArray(colors);
pointCloudObj->camera = camera;
glObj = pointCloudObj;
glObj->flag = CV_POINT_CLOUD_MAGIC_VAL;
glObj->winname = winname;
addGlObj(glObj);
icvSetOpenGlCleanCallback(winname.c_str(), glCleanCallback, glObj);
}
setOpenGlDrawCallback(winname, glDrawPointCloudCallback, glObj);
updateWindow(winname);
icvSetOpenGlCleanCallback(winname.c_str(), 0, 0);
glObj = 0;
}
}
#endif // HAVE_OPENGL
if (glObj)
{
GlObjPointCloud* pointCloudObj = static_cast<GlObjPointCloud*>(glObj);
void cv::pointCloudShow(const string& winname, const gpu::GlCamera& camera, const gpu::GlBuffer& points, const gpu::GlBuffer& colors)
{
#ifndef HAVE_OPENGL
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
#else
pointCloudShowImpl(winname, camera, points, colors);
pointCloudObj->arr.setVertexArray(points);
if (colors.empty())
pointCloudObj->arr.resetColorArray();
else
pointCloudObj->arr.setColorArray(colors);
pointCloudObj->camera = camera;
}
else
{
GlObjPointCloud* pointCloudObj = new GlObjPointCloud;
pointCloudObj->arr.setVertexArray(points);
if (!colors.empty())
pointCloudObj->arr.setColorArray(colors);
pointCloudObj->camera = camera;
glObj = pointCloudObj;
glObj->flag = CV_POINT_CLOUD_MAGIC_VAL;
glObj->winname = winname;
addGlObj(glObj);
icvSetOpenGlCleanCallback(winname.c_str(), glCleanCallback, glObj);
}
setOpenGlDrawCallback(winname, glDrawPointCloudCallback, glObj);
updateWindow(winname);
#endif
}
void cv::pointCloudShow(const string& winname, const gpu::GlCamera& camera, const gpu::GpuMat& points, const gpu::GpuMat& colors)
{
#ifndef HAVE_OPENGL
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
#else
pointCloudShowImpl(winname, camera, points, colors);
#endif
}
void cv::pointCloudShow(const string& winname, const gpu::GlCamera& camera, InputArray points, InputArray colors)
{
#ifndef HAVE_OPENGL
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
#else
pointCloudShowImpl(winname, camera, points, colors);
#endif
}
// OpenGL text
void cv::addTextOpenGl(const string& winname, const string& text, Point org, Scalar color, const string& fontName, int fontHeight, int fontWeight, int fontStyle)
{
cvAddTextOpenGl(winname.c_str(), text.c_str(), org, color, fontName.c_str(), fontHeight, fontWeight, fontStyle);
}
void cv::clearTextOpenGl(const string& winname)
{
cvClearTextOpenGl(winname.c_str());
}
// Without OpenGL
#ifndef HAVE_OPENGL
@@ -630,16 +509,6 @@ CV_IMPL void cvUpdateWindow(const char*)
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
}
CV_IMPL void cvAddTextOpenGl(const char*, const char*, CvPoint, CvScalar, const char*, int, int, int)
{
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
}
CV_IMPL void cvClearTextOpenGl(const char*)
{
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");
}
void icvSetOpenGlCleanCallback(const char*, CvOpenGlCleanCallback, void*)
{
CV_Error(CV_OpenGlNotSupported, "The library is compiled without OpenGL support");

607
modules/highgui/src/window_w32.cpp
View File

@@ -60,7 +60,6 @@
#include <vector>
#include <functional>
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/core/gpumat.hpp"
#include <GL\gl.h>
#endif
@@ -137,216 +136,6 @@ typedef struct CvTrackbar
}
CvTrackbar;
// OpenGL support
#ifdef HAVE_OPENGL
namespace
{
class OpenGlFont
{
public:
OpenGlFont(HDC hDC, const std::string& fontName, int fontHeight, int fontWeight, int fontStyle);
~OpenGlFont();
void draw(const char* str, int len, CvPoint org, CvScalar color, int width, int height) const;
inline const std::string& fontName() const { return fontName_; }
inline int fontHeight() const { return fontHeight_; }
inline int fontWeight() const { return fontWeight_; }
inline int fontStyle() const { return fontStyle_; }
private:
std::string fontName_;
int fontHeight_;
int fontWeight_;
int fontStyle_;
GLuint base_;
OpenGlFont(const OpenGlFont&);
OpenGlFont& operator =(const OpenGlFont&);
};
int getFontWidthW32(int fontWeight)
{
int weight = 0;
switch(fontWeight)
{
case CV_FONT_LIGHT:
weight = 200;
break;
case CV_FONT_NORMAL:
weight = FW_NORMAL;
break;
case CV_FONT_DEMIBOLD:
weight = 550;
break;
case CV_FONT_BOLD:
weight = FW_BOLD;
break;
case CV_FONT_BLACK:
weight = FW_BLACK;
break;
default:
cvError(CV_StsBadArg, "getFontWidthW32", "Unsopported font width", __FILE__, __LINE__);
};
return weight;
}
OpenGlFont::OpenGlFont(HDC hDC, const std::string& fontName, int fontHeight, int fontWeight, int fontStyle)
: fontName_(), fontHeight_(0), fontWeight_(0), fontStyle_(0), base_(0)
{
base_ = glGenLists(96);
HFONT font = CreateFont
(
-fontHeight, // height
0, // cell width
0, // Angle of Escapement
0, // Orientation Angle
getFontWidthW32(fontWeight), // font weight
fontStyle & CV_STYLE_ITALIC ? TRUE : FALSE, // Italic
fontStyle & CV_STYLE_UNDERLINE ? TRUE : FALSE, // Underline
FALSE, // StrikeOut
ANSI_CHARSET, // CharSet
OUT_TT_PRECIS, // OutPrecision
CLIP_DEFAULT_PRECIS, // ClipPrecision
ANTIALIASED_QUALITY, // Quality
FF_DONTCARE | DEFAULT_PITCH, // PitchAndFamily
fontName.c_str() // FaceName
);
SelectObject(hDC, font);
if (!wglUseFontBitmaps(hDC, 32, 96, base_))
cvError(CV_OpenGlApiCallError, "OpenGlFont", "Can't create font", __FILE__, __LINE__);
fontName_ = fontName;
fontHeight_ = fontHeight;
fontWeight_ = fontWeight;
fontStyle_ = fontStyle;
}
OpenGlFont::~OpenGlFont()
{
if (base_)
glDeleteLists(base_, 96);
}
void OpenGlFont::draw(const char* str, int len, CvPoint org, CvScalar color, int width, int height) const
{
if (base_)
{
glPushAttrib(GL_LIST_BIT);
glListBase(base_ - 32);
glColor4dv(color.val);
glRasterPos2f(static_cast<float>(org.x) / width, static_cast<float>((org.y + fontHeight_)) / height);
glCallLists(len, GL_UNSIGNED_BYTE, str);
glPopAttrib();
CV_CheckGlError();
}
}
class OpenGlText
{
public:
OpenGlText(HDC hDC);
void add(const std::string& text, CvPoint org, CvScalar color, const std::string& fontName, int fontHeight, int fontWeight, int fontStyle);
inline void clear() { text_.clear(); }
void draw(int width, int height) const;
private:
struct Text
{
std::string str;
CvPoint org;
CvScalar color;
cv::Ptr<OpenGlFont> font;
};
HDC hDC_;
std::vector< cv::Ptr<OpenGlFont> > fonts_;
std::vector<Text> text_;
};
OpenGlText::OpenGlText(HDC hDC) : hDC_(hDC)
{
fonts_.reserve(5);
text_.reserve(5);
}
class FontCompare : public std::unary_function<cv::Ptr<OpenGlFont>, bool>
{
public:
inline FontCompare(const std::string& fontName, int fontHeight, int fontWeight, int fontStyle)
: fontName_(fontName), fontHeight_(fontHeight), fontWeight_(fontWeight), fontStyle_(fontStyle)
{
}
bool operator ()(const cv::Ptr<OpenGlFont>& font)
{
return font->fontName() == fontName_ && font->fontHeight() == fontHeight_ && font->fontWeight() == fontWeight_ && font->fontStyle() == fontStyle_;
}
private:
std::string fontName_;
int fontHeight_;
int fontWeight_;
int fontStyle_;
};
void OpenGlText::add(const std::string& str, CvPoint org, CvScalar color, const std::string& fontName, int fontHeight, int fontWeight, int fontStyle)
{
std::vector< cv::Ptr<OpenGlFont> >::iterator fontIt =
std::find_if(fonts_.begin(), fonts_.end(), FontCompare(fontName, fontHeight, fontWeight, fontStyle));
if (fontIt == fonts_.end())
{
fonts_.push_back(new OpenGlFont(hDC_, fontName, fontHeight, fontWeight, fontStyle));
fontIt = fonts_.end() - 1;
}
Text text;
text.str = str;
text.org = org;
text.color = color;
text.font = *fontIt;
text_.push_back(text);
}
void OpenGlText::draw(int width, int height) const
{
glDisable(GL_DEPTH_TEST);
static cv::gpu::GlCamera glCamera;
glCamera.setupProjectionMatrix();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
for (size_t i = 0, size = text_.size(); i < size; ++i)
{
const Text& text = text_[i];
text.font->draw(text.str.c_str(), text.str.length(), text.org, text.color, width, height);
}
}
}
#endif // HAVE_OPENGL
typedef struct CvWindow
{
@@ -391,9 +180,7 @@ typedef struct CvWindow
CvOpenGlCleanCallback glCleanCallback;
void* glCleanData;
cv::gpu::GlFuncTab* glFuncTab;
OpenGlText* glText;
CvOpenGlFuncTab* glFuncTab;
#endif
}
CvWindow;
@@ -809,9 +596,26 @@ namespace
typedef GLvoid* (APIENTRYP PFNGLMAPBUFFERPROC) (GLenum target, GLenum access);
typedef GLboolean (APIENTRYP PFNGLUNMAPBUFFERPROC) (GLenum target);
class GlFuncTab_W32 : public cv::gpu::GlFuncTab
class GlFuncTab_W32 : public CvOpenGlFuncTab
{
public:
GlFuncTab_W32(HDC hDC);
void genBuffers(int n, unsigned int* buffers) const;
void deleteBuffers(int n, const unsigned int* buffers) const;
void bufferData(unsigned int target, ptrdiff_t size, const void* data, unsigned int usage) const;
void bufferSubData(unsigned int target, ptrdiff_t offset, ptrdiff_t size, const void* data) const;
void bindBuffer(unsigned int target, unsigned int buffer) const;
void* mapBuffer(unsigned int target, unsigned int access) const;
void unmapBuffer(unsigned int target) const;
void generateBitmapFont(const std::string& family, int height, int weight, bool italic, bool underline, int start, int count, int base) const;
bool isGlContextInitialized() const;
PFNGLGENBUFFERSPROC glGenBuffersExt;
PFNGLDELETEBUFFERSPROC glDeleteBuffersExt;
@@ -825,142 +629,180 @@ namespace
bool initialized;
GlFuncTab_W32()
{
glGenBuffersExt = 0;
glDeleteBuffersExt = 0;
glBufferDataExt = 0;
glBufferSubDataExt = 0;
glBindBufferExt = 0;
glMapBufferExt = 0;
glUnmapBufferExt = 0;
initialized = false;
}
void genBuffers(int n, unsigned int* buffers) const
{
CV_FUNCNAME( "genBuffers" );
__BEGIN__;
if (!glGenBuffersExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glGenBuffersExt(n, buffers);
CV_CheckGlError();
__END__;
}
void deleteBuffers(int n, const unsigned int* buffers) const
{
CV_FUNCNAME( "deleteBuffers" );
__BEGIN__;
if (!glDeleteBuffersExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glDeleteBuffersExt(n, buffers);
CV_CheckGlError();
__END__;
}
void bufferData(unsigned int target, ptrdiff_t size, const void* data, unsigned int usage) const
{
CV_FUNCNAME( "bufferData" );
__BEGIN__;
if (!glBufferDataExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glBufferDataExt(target, size, data, usage);
CV_CheckGlError();
__END__;
}
void bufferSubData(unsigned int target, ptrdiff_t offset, ptrdiff_t size, const void* data) const
{
CV_FUNCNAME( "bufferSubData" );
__BEGIN__;
if (!glBufferSubDataExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glBufferSubDataExt(target, offset, size, data);
CV_CheckGlError();
__END__;
}
void bindBuffer(unsigned int target, unsigned int buffer) const
{
CV_FUNCNAME( "bindBuffer" );
__BEGIN__;
if (!glBindBufferExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glBindBufferExt(target, buffer);
CV_CheckGlError();
__END__;
}
void* mapBuffer(unsigned int target, unsigned int access) const
{
CV_FUNCNAME( "mapBuffer" );
void* res = 0;
__BEGIN__;
if (!glMapBufferExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
res = glMapBufferExt(target, access);
CV_CheckGlError();
__END__;
return res;
}
void unmapBuffer(unsigned int target) const
{
CV_FUNCNAME( "unmapBuffer" );
__BEGIN__;
if (!glUnmapBufferExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glUnmapBufferExt(target);
CV_CheckGlError();
__END__;
}
bool isGlContextInitialized() const
{
return initialized;
}
HDC hDC;
};
GlFuncTab_W32::GlFuncTab_W32(HDC hDC_)
{
glGenBuffersExt = 0;
glDeleteBuffersExt = 0;
glBufferDataExt = 0;
glBufferSubDataExt = 0;
glBindBufferExt = 0;
glMapBufferExt = 0;
glUnmapBufferExt = 0;
initialized = false;
hDC = hDC_;
}
void GlFuncTab_W32::genBuffers(int n, unsigned int* buffers) const
{
CV_FUNCNAME( "GlFuncTab_W32::genBuffers" );
__BEGIN__;
if (!glGenBuffersExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glGenBuffersExt(n, buffers);
CV_CheckGlError();
__END__;
}
void GlFuncTab_W32::deleteBuffers(int n, const unsigned int* buffers) const
{
CV_FUNCNAME( "GlFuncTab_W32::deleteBuffers" );
__BEGIN__;
if (!glDeleteBuffersExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glDeleteBuffersExt(n, buffers);
CV_CheckGlError();
__END__;
}
void GlFuncTab_W32::bufferData(unsigned int target, ptrdiff_t size, const void* data, unsigned int usage) const
{
CV_FUNCNAME( "GlFuncTab_W32::bufferData" );
__BEGIN__;
if (!glBufferDataExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glBufferDataExt(target, size, data, usage);
CV_CheckGlError();
__END__;
}
void GlFuncTab_W32::bufferSubData(unsigned int target, ptrdiff_t offset, ptrdiff_t size, const void* data) const
{
CV_FUNCNAME( "GlFuncTab_W32::bufferSubData" );
__BEGIN__;
if (!glBufferSubDataExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glBufferSubDataExt(target, offset, size, data);
CV_CheckGlError();
__END__;
}
void GlFuncTab_W32::bindBuffer(unsigned int target, unsigned int buffer) const
{
CV_FUNCNAME( "GlFuncTab_W32::bindBuffer" );
__BEGIN__;
if (!glBindBufferExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glBindBufferExt(target, buffer);
CV_CheckGlError();
__END__;
}
void* GlFuncTab_W32::mapBuffer(unsigned int target, unsigned int access) const
{
CV_FUNCNAME( "GlFuncTab_W32::mapBuffer" );
void* res = 0;
__BEGIN__;
if (!glMapBufferExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
res = glMapBufferExt(target, access);
CV_CheckGlError();
__END__;
return res;
}
void GlFuncTab_W32::unmapBuffer(unsigned int target) const
{
CV_FUNCNAME( "GlFuncTab_W32::unmapBuffer" );
__BEGIN__;
if (!glUnmapBufferExt)
CV_ERROR(CV_OpenGlApiCallError, "Current OpenGL implementation doesn't support required extension");
glUnmapBufferExt(target);
CV_CheckGlError();
__END__;
}
void GlFuncTab_W32::generateBitmapFont(const std::string& family, int height, int weight, bool italic, bool underline, int start, int count, int base) const
{
HFONT font;
CV_FUNCNAME( "GlFuncTab_W32::generateBitmapFont" );
__BEGIN__;
font = CreateFont
(
-height, // height
0, // cell width
0, // Angle of Escapement
0, // Orientation Angle
weight, // font weight
italic ? TRUE : FALSE, // Italic
underline ? TRUE : FALSE, // Underline
FALSE, // StrikeOut
ANSI_CHARSET, // CharSet
OUT_TT_PRECIS, // OutPrecision
CLIP_DEFAULT_PRECIS, // ClipPrecision
ANTIALIASED_QUALITY, // Quality
FF_DONTCARE | DEFAULT_PITCH, // PitchAndFamily
family.c_str() // FaceName
);
SelectObject(hDC, font);
if (!wglUseFontBitmaps(hDC, start, count, base))
CV_ERROR(CV_OpenGlApiCallError, "Can't create font");
__END__;
}
bool GlFuncTab_W32::isGlContextInitialized() const
{
return initialized;
}
void initGl(CvWindow* window)
{
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
std::auto_ptr<GlFuncTab_W32> glFuncTab(new GlFuncTab_W32);
std::auto_ptr<GlFuncTab_W32> glFuncTab(new GlFuncTab_W32(window->dc));
// Load extensions
PROC func;
@@ -990,7 +832,7 @@ namespace
window->glFuncTab = glFuncTab.release();
cv::gpu::setGlFuncTab(window->glFuncTab);
icvSetOpenGlFuncTab(window->glFuncTab);
}
void createGlContext(HWND hWnd, HDC& hGLDC, HGLRC& hGLRC, bool& useGl)
@@ -1089,11 +931,6 @@ namespace
CV_CheckGlError();
if (window->glText)
window->glText->draw(window->width, window->height);
CV_CheckGlError();
if (!SwapBuffers(window->dc))
CV_ERROR( CV_OpenGlApiCallError, "Can't swap OpenGL buffers" );
@@ -1209,8 +1046,6 @@ CV_IMPL int cvNamedWindow( const char* name, int flags )
window->glCleanCallback = 0;
window->glCleanData = 0;
window->glText = 0;
#endif
window->last_key = 0;
@@ -1261,68 +1096,7 @@ CV_IMPL void cvSetOpenGlContext(const char* name)
if (!wglMakeCurrent(window->dc, window->hGLRC))
CV_ERROR( CV_OpenGlApiCallError, "Can't Activate The GL Rendering Context" );
cv::gpu::setGlFuncTab(window->glFuncTab);
__END__;
}
CV_IMPL void cvAddTextOpenGl(const char* name, const char* text, CvPoint org, CvScalar color, const char* fontName, int fontHeight, int fontWeight, int fontStyle)
{
CV_FUNCNAME( "cvAddTextOpenGl" );
__BEGIN__;
CvWindow* window;
if(!name)
CV_ERROR( CV_StsNullPtr, "NULL name string" );
window = icvFindWindowByName( name );
if (!window)
CV_ERROR( CV_StsNullPtr, "NULL window" );
if (!window->useGl)
CV_ERROR( CV_OpenGlNotSupported, "Window doesn't support OpenGL" );
if (!wglMakeCurrent(window->dc, window->hGLRC))
CV_ERROR( CV_OpenGlApiCallError, "Can't Activate The GL Rendering Context" );
if (!window->glText)
window->glText = new OpenGlText(window->dc);
window->glText->add(text, org, color, fontName, fontHeight, fontWeight, fontStyle);
InvalidateRect(window->hwnd, 0, 0);
__END__;
}
CV_IMPL void cvClearTextOpenGl(const char* name)
{
CV_FUNCNAME( "cvClearTextOpenGl" );
__BEGIN__;
CvWindow* window;
if(!name)
CV_ERROR( CV_StsNullPtr, "NULL name string" );
window = icvFindWindowByName( name );
if (!window)
CV_ERROR( CV_StsNullPtr, "NULL window" );
if (!window->useGl)
CV_ERROR( CV_OpenGlNotSupported, "Window doesn't support OpenGL" );
if (!wglMakeCurrent(window->dc, window->hGLRC))
CV_ERROR( CV_OpenGlApiCallError, "Can't Activate The GL Rendering Context" );
if (window->glText)
{
window->glText->clear();
InvalidateRect(window->hwnd, 0, 0);
}
icvSetOpenGlFuncTab(window->glFuncTab);
__END__;
}
@@ -1406,9 +1180,6 @@ static void icvRemoveWindow( CvWindow* window )
if (window->useGl)
{
wglMakeCurrent(window->dc, window->hGLRC);
if (window->glText)
delete window->glText;
if (window->glCleanCallback)
{