diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Fl_Gl_Window.cxx | 2 | ||||
| -rw-r--r-- | src/drivers/OpenGL/Fl_OpenGL_Display_Device.cxx | 2 | ||||
| -rw-r--r-- | src/drivers/OpenGL/Fl_OpenGL_Display_Device.h | 173 |
3 files changed, 12 insertions, 165 deletions
diff --git a/src/Fl_Gl_Window.cxx b/src/Fl_Gl_Window.cxx index 9a8398a68..7b96157dd 100644 --- a/src/Fl_Gl_Window.cxx +++ b/src/Fl_Gl_Window.cxx @@ -34,6 +34,8 @@ extern int fl_gl_load_plugin; #include <stdlib.h> #include <FL/fl_utf8.h> +#include "drivers/OpenGL/Fl_OpenGL_Display_Device.h" + #if defined(WIN32) || defined(__APPLE__) #elif defined(FL_PORTING) # pragma message "FL_PORTING: implement the creation and destruction of OpenGL surfaces" diff --git a/src/drivers/OpenGL/Fl_OpenGL_Display_Device.cxx b/src/drivers/OpenGL/Fl_OpenGL_Display_Device.cxx index 94ea3a136..c4e02dc83 100644 --- a/src/drivers/OpenGL/Fl_OpenGL_Display_Device.cxx +++ b/src/drivers/OpenGL/Fl_OpenGL_Display_Device.cxx @@ -23,6 +23,8 @@ #include <FL/gl.h> #include "Fl_OpenGL_Graphics_Driver.h" +#include "Fl_OpenGL_Display_Device.h" + Fl_OpenGL_Display_Device *Fl_OpenGL_Display_Device::display_device() { static Fl_OpenGL_Display_Device *display = new Fl_OpenGL_Display_Device(new Fl_OpenGL_Graphics_Driver()); diff --git a/src/drivers/OpenGL/Fl_OpenGL_Display_Device.h b/src/drivers/OpenGL/Fl_OpenGL_Display_Device.h index dab9608d4..ef78bbad8 100644 --- a/src/drivers/OpenGL/Fl_OpenGL_Display_Device.h +++ b/src/drivers/OpenGL/Fl_OpenGL_Display_Device.h @@ -17,179 +17,22 @@ // -// FIXME: fill with code! -#if 0 - -#include <config.h> -#include "config_lib.h" -#include <FL/Fl_Printer.H> -#include <FL/Fl_Gl_Window.H> -#include "Fl_Gl_Choice.H" -#include <FL/Fl_RGB_Image.H> -#include "FL/Fl.H" - -#if defined(WIN32) || defined(__APPLE__) -#elif defined(FL_PORTING) -# pragma message "FL_PORTING: implement code to read OpenGL renderings into RGB maps" -#else -#endif - - -// ------ this should be in a separate file! ----------------------------------- -#ifdef FL_CFG_GFX_OPENGL - #include <FL/Fl_Device.H> -#include <FL/gl.h> - -#include "drivers/OpenGL/Fl_OpenGL_Graphics_Driver.h" - -Fl_OpenGL_Display_Device *Fl_OpenGL_Display_Device::display_device() { - static Fl_OpenGL_Display_Device *display = new Fl_OpenGL_Display_Device(new Fl_OpenGL_Graphics_Driver()); - return display; -}; - -Fl_OpenGL_Display_Device::Fl_OpenGL_Display_Device(Fl_OpenGL_Graphics_Driver *graphics_driver) -: Fl_Surface_Device(graphics_driver) -{ -} -const char *Fl_OpenGL_Display_Device::class_id = "Fl_OpenGL_Display_Device"; - -#endif -// ------ end of separate file! ------------------------------------------------ - -#include "drivers/OpenGL/Fl_OpenGL_Graphics_Driver_arci.cxx" -#include "drivers/OpenGL/Fl_OpenGL_Graphics_Driver_color.cxx" -#include "drivers/OpenGL/Fl_OpenGL_Graphics_Driver_font.cxx" -#include "drivers/OpenGL/Fl_OpenGL_Graphics_Driver_image.cxx" -#include "drivers/OpenGL/Fl_OpenGL_Graphics_Driver_line_style.cxx" -#include "drivers/OpenGL/Fl_OpenGL_Graphics_Driver_rect.cxx" -#include "drivers/OpenGL/Fl_OpenGL_Graphics_Driver_vertex.cxx" - - -#if defined(__APPLE__) -uchar *convert_BGRA_to_RGB(uchar *baseAddress, int w, int h, int mByteWidth) -{ - uchar *newimg = new uchar[3*w*h]; - uchar *to = newimg; - for (int i = 0; i < h; i++) { - uchar *from = baseAddress + i * mByteWidth; - for (int j = 0; j < w; j++, from += 4) { -#if __ppc__ - memcpy(to, from + 1, 3); - to += 3; -#else - *(to++) = *(from+2); - *(to++) = *(from+1); - *(to++) = *from; -#endif - } - } - delete[] baseAddress; - return newimg; -} -#endif - -static Fl_RGB_Image* capture_gl_rectangle(Fl_Gl_Window *glw, int x, int y, int w, int h) -/* captures a rectangle of a Fl_Gl_Window window, and returns it as a RGB image - stored from bottom to top. - */ -{ -#if defined(__APPLE__) - const int bytesperpixel = 4; - int factor = glw->pixels_per_unit(); - if (factor > 1) { - w *= factor; h *= factor; x *= factor; y *= factor; - } -#else - const int bytesperpixel = 3; -#endif - glw->flush(); // forces a GL redraw, necessary for the glpuzzle demo - // Read OpenGL context pixels directly. - // For extra safety, save & restore OpenGL states that are changed - glPushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT); - glPixelStorei(GL_PACK_ALIGNMENT, 4); /* Force 4-byte alignment */ - glPixelStorei(GL_PACK_ROW_LENGTH, 0); - glPixelStorei(GL_PACK_SKIP_ROWS, 0); - glPixelStorei(GL_PACK_SKIP_PIXELS, 0); - // Read a block of pixels from the frame buffer - int mByteWidth = w * bytesperpixel; - mByteWidth = (mByteWidth + 3) & ~3; // Align to 4 bytes - uchar *baseAddress = new uchar[mByteWidth * h]; - glReadPixels(x, glw->pixel_h() - (y+h), w, h, -#if defined(__APPLE__) - GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, -#else - GL_RGB, GL_UNSIGNED_BYTE, -#endif - baseAddress); - glPopClientAttrib(); -#if defined(__APPLE__) - baseAddress = convert_BGRA_to_RGB(baseAddress, w, h, mByteWidth); - mByteWidth = 3 * w; -#endif - Fl_RGB_Image *img = new Fl_RGB_Image(baseAddress, w, h, 3, mByteWidth); - img->alloc_array = 1; - return img; -} - -#ifdef __APPLE__ -static void imgProviderReleaseData (void *info, const void *data, size_t size) -{ - delete (Fl_RGB_Image *)info; -} -#endif +class Fl_OpenGL_Graphics_Driver; /** - This class will make sure that OpenGL printing/screen capture is available if fltk_gl - was linked to the program + OpenGL Surface. + This surface is needed as an interface between GL windows and the GL graphics driver. */ -class Fl_Gl_Device_Plugin : public Fl_Device_Plugin { +class FL_EXPORT Fl_OpenGL_Display_Device : public Fl_Surface_Device { public: - Fl_Gl_Device_Plugin() : Fl_Device_Plugin(name()) { } - virtual const char *name() { return "opengl.device.fltk.org"; } - virtual int print(Fl_Widget *w, int x, int y, int height /*useless*/) { - Fl_Gl_Window *glw = w->as_gl_window(); - if (!glw) return 0; - Fl_RGB_Image *img = capture_gl_rectangle(glw, 0, 0, glw->w(), glw->h()); -#ifdef __APPLE__ - if (Fl_Surface_Device::surface()->driver()->has_feature(Fl_Graphics_Driver::NATIVE)) { - // convert the image to CGImage, and draw it at full res (useful on retina display) - CGColorSpaceRef cSpace = CGColorSpaceCreateDeviceRGB(); - CGDataProviderRef provider = CGDataProviderCreateWithData(img, img->array, img->ld() * img->h(), imgProviderReleaseData); - CGImageRef cgimg = CGImageCreate(img->w(), img->h(), 8, 24, img->ld(), cSpace, - (CGBitmapInfo)(kCGImageAlphaNone), - provider, NULL, false, kCGRenderingIntentDefault); - CGColorSpaceRelease(cSpace); - CGDataProviderRelease(provider); - CGContextDrawImage(fl_gc, CGRectMake(0, 0, glw->w(), glw->h()), cgimg); - CFRelease(cgimg); - return 1; - } else if (img->w() > glw->w()) { - Fl_RGB_Image *img2 = (Fl_RGB_Image*)img->copy(glw->w(), glw->h()); - delete img; - img = img2; - } -#endif - int ld = img->ld() ? img->ld() : img->w() * img->d(); - fl_draw_image(img->array + (img->h() - 1) * ld, x, y , img->w(), img->h(), 3, - ld); - delete img; - return 1; - } - virtual Fl_RGB_Image* rectangle_capture(Fl_Widget *widget, int x, int y, int w, int h) { - Fl_Gl_Window *glw = widget->as_gl_window(); - if (!glw) return NULL; - return capture_gl_rectangle(glw, x, y, w, h); - } + static const char *class_id; + const char *class_name() {return class_id;}; + Fl_OpenGL_Display_Device(Fl_OpenGL_Graphics_Driver *graphics_driver); + static Fl_OpenGL_Display_Device *display_device(); }; -static Fl_Gl_Device_Plugin Gl_Device_Plugin; - -// The purpose of this variable, used in Fl_Gl_Window.cxx, is only to force this file to be loaded -// whenever Fl_Gl_Window.cxx is loaded, that is, whenever fltk_gl is. -FL_EXPORT int fl_gl_load_plugin = 0; - -#endif // // End of "$Id$". |