From b5e613d453921f87d59a911bd555e96e46abc5cc Mon Sep 17 00:00:00 2001 From: Robin Gareus Date: Mon, 20 Mar 2017 04:21:08 +0100 Subject: Move NSGlView into libgtkmm2ext This allows to re-use the concept with CairoWidget --- libs/canvas/canvas.cc | 14 +- libs/canvas/canvas/canvas.h | 13 +- libs/canvas/canvas/nsglview.h | 15 -- libs/canvas/nsglview.mm | 277 ------------------------------- libs/canvas/wscript | 4 - libs/gtkmm2ext/gtkmm2ext/cairo_canvas.h | 38 +++++ libs/gtkmm2ext/gtkmm2ext/nsglview.h | 15 ++ libs/gtkmm2ext/nsglview.mm | 284 ++++++++++++++++++++++++++++++++ libs/gtkmm2ext/wscript | 2 +- 9 files changed, 356 insertions(+), 306 deletions(-) delete mode 100644 libs/canvas/canvas/nsglview.h delete mode 100644 libs/canvas/nsglview.mm create mode 100644 libs/gtkmm2ext/gtkmm2ext/cairo_canvas.h create mode 100644 libs/gtkmm2ext/gtkmm2ext/nsglview.h create mode 100644 libs/gtkmm2ext/nsglview.mm diff --git a/libs/canvas/canvas.cc b/libs/canvas/canvas.cc index cdd2fbfeee..6ad4200cc1 100644 --- a/libs/canvas/canvas.cc +++ b/libs/canvas/canvas.cc @@ -46,7 +46,7 @@ #ifdef __APPLE__ #include -#include "canvas/nsglview.h" +#include "gtkmm2ext/nsglview.h" #endif using namespace std; @@ -404,7 +404,7 @@ GtkCanvas::GtkCanvas () #ifdef ARDOUR_CANVAS_NSVIEW_TAG // patched gdkquartz.h # ifndef __ppc__ // would need to flip RGBA <> RGBA - _nsglview = nsglview_create (this); + _nsglview = Gtkmm2ext::nsglview_create (this); # endif #endif } @@ -773,7 +773,7 @@ GtkCanvas::on_realize () Gtk::EventBox::on_realize(); #ifdef __APPLE__ if (_nsglview) { - nsglview_overlay (_nsglview, get_window()->gobj()); + Gtkmm2ext::nsglview_overlay (_nsglview, get_window()->gobj()); } #endif } @@ -802,7 +802,7 @@ GtkCanvas::on_size_allocate (Gtk::Allocation& a) GTK_WIDGET(gobj()), GTK_WIDGET(get_toplevel()->gobj()), 0, 0, &xx, &yy); - nsglview_resize (_nsglview, xx, yy, a.get_width(), a.get_height()); + Gtkmm2ext::nsglview_resize (_nsglview, xx, yy, a.get_width(), a.get_height()); } #endif @@ -820,7 +820,7 @@ GtkCanvas::on_expose_event (GdkEventExpose* ev) } #ifdef __APPLE__ if (_nsglview) { - nsglview_queue_draw (_nsglview, ev->area.x, ev->area.y, ev->area.width, ev->area.height); + Gtkmm2ext::nsglview_queue_draw (_nsglview, ev->area.x, ev->area.y, ev->area.width, ev->area.height); return true; } #endif @@ -878,7 +878,7 @@ GtkCanvas::on_expose_event (GdkEventExpose* ev) /* render canvas */ if ( _single_exposure ) { - render (Rect (ev->area.x, ev->area.y, ev->area.x + ev->area.width, ev->area.y + ev->area.height), draw_context); + Canvas::render (Rect (ev->area.x, ev->area.y, ev->area.x + ev->area.width, ev->area.y + ev->area.height), draw_context); } else { GdkRectangle* rects; @@ -887,7 +887,7 @@ GtkCanvas::on_expose_event (GdkEventExpose* ev) gdk_region_get_rectangles (ev->region, &rects, &nrects); for (gint n = 0; n < nrects; ++n) { draw_context->set_identity_matrix(); //reset the cairo matrix, just in case someone left it transformed after drawing ( cough ) - render (Rect (rects[n].x, rects[n].y, rects[n].x + rects[n].width, rects[n].y + rects[n].height), draw_context); + Canvas::render (Rect (rects[n].x, rects[n].y, rects[n].x + rects[n].width, rects[n].y + rects[n].height), draw_context); } g_free (rects); } diff --git a/libs/canvas/canvas/canvas.h b/libs/canvas/canvas/canvas.h index 20adfa4c45..3e554cacf2 100644 --- a/libs/canvas/canvas/canvas.h +++ b/libs/canvas/canvas/canvas.h @@ -34,8 +34,9 @@ #include "pbd/signals.h" -#include "canvas/visibility.h" +#include "gtkmm2ext/cairo_canvas.h" +#include "canvas/visibility.h" #include "canvas/root_group.h" namespace Gtk { @@ -174,7 +175,7 @@ public: }; /** A canvas which renders onto a GTK EventBox */ -class LIBCANVAS_API GtkCanvas : public Canvas, public Gtk::EventBox +class LIBCANVAS_API GtkCanvas : public Canvas, public Gtk::EventBox, public Gtkmm2ext::CairoCanvas { public: GtkCanvas (); @@ -203,6 +204,14 @@ public: Glib::RefPtr get_pango_context(); + void render (Cairo::RefPtr const & ctx, cairo_rectangle_t* r) + { + ArdourCanvas::Rect rect (r->x, r->y, r->width + r->x, r->height + r->y); + Canvas::render (rect, ctx); + } + + uint32_t background_color() { return Canvas::background_color (); } + protected: void on_size_allocate (Gtk::Allocation&); bool on_scroll_event (GdkEventScroll *); diff --git a/libs/canvas/canvas/nsglview.h b/libs/canvas/canvas/nsglview.h deleted file mode 100644 index e18a0f68ab..0000000000 --- a/libs/canvas/canvas/nsglview.h +++ /dev/null @@ -1,15 +0,0 @@ -#ifndef __CANVAS_NSGLVIEW_H__ -#define __CANVAS_NSGLVIEW_H__ - -#include - -namespace ArdourCanvas -{ - class GtkCanvas; - - void* nsglview_create (GtkCanvas*); - void nsglview_overlay (void*, GdkWindow*); - void nsglview_resize (void*, int x, int y, int w, int h); - void nsglview_queue_draw (void*, int x, int y, int w, int h); -} -#endif diff --git a/libs/canvas/nsglview.mm b/libs/canvas/nsglview.mm deleted file mode 100644 index b4fea995a3..0000000000 --- a/libs/canvas/nsglview.mm +++ /dev/null @@ -1,277 +0,0 @@ -/* - Copyright (C) 2011 Paul Davis - Copyright (C) 2012 David Robillard - Copyright (C) 2017 Robin Gareus - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -*/ - -/* include order matter due to apple defines */ -#include - -#include "canvas/canvas.h" -#include "canvas/utils.h" -#include "canvas/nsglview.h" - -#include - -#include -#import - -#ifndef ARDOUR_CANVAS_NSVIEW_TAG -#define ARDOUR_CANVAS_NSVIEW_TAG 0xa2d0c2c4 -#endif - -__attribute__ ((visibility ("hidden"))) -@interface ArdourCanvasOpenGLView : NSOpenGLView -{ -@private - unsigned int _texture_id; - int _width; - int _height; - Cairo::RefPtr surf; - ArdourCanvas::GtkCanvas *gtkcanvas; -} - -@property (readwrite) NSInteger tag; - -- (id) initWithFrame:(NSRect)frame; -- (void) dealloc; -- (void) setArdourCanvas:(ArdourCanvas::GtkCanvas*)c; -- (void) reshape; -- (void) drawRect:(NSRect)rect; -- (BOOL) canBecomeKeyWindow:(id)sender; -- (BOOL) acceptsFirstResponder:(id)sender; - -@end - -@implementation ArdourCanvasOpenGLView - -@synthesize tag = _tag; - -- (id) initWithFrame:(NSRect)frame -{ - NSOpenGLPixelFormatAttribute pixelAttribs[16] = { - NSOpenGLPFADoubleBuffer, - NSOpenGLPFAAccelerated, - NSOpenGLPFAColorSize, 32, - NSOpenGLPFADepthSize, 32, - NSOpenGLPFAMultisample, - NSOpenGLPFASampleBuffers, 1, - NSOpenGLPFASamples, 4, - 0 - }; - - NSOpenGLPixelFormat* pixelFormat = - [[NSOpenGLPixelFormat alloc] initWithAttributes:pixelAttribs]; - - if (pixelFormat) { - self = [super initWithFrame:frame pixelFormat:pixelFormat]; - [pixelFormat release]; - } else { - self = [super initWithFrame:frame]; - } - - _texture_id = 0; - _width = 0; - _height = 0; - - if (self) { - self.tag = ARDOUR_CANVAS_NSVIEW_TAG; - [[self openGLContext] makeCurrentContext]; - glClearColor (0.0f, 0.0f, 0.0f, 0.0f); - glDisable (GL_DEPTH_TEST); - glEnable (GL_BLEND); - glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable (GL_TEXTURE_RECTANGLE_ARB); - [NSOpenGLContext clearCurrentContext]; - - [self reshape]; - } - - return self; -} - -- (void) dealloc { - [[self openGLContext] makeCurrentContext]; - glDeleteTextures (1, &_texture_id); - [NSOpenGLContext clearCurrentContext]; - - [super dealloc]; -} - -- (void) setArdourCanvas:(ArdourCanvas::GtkCanvas*)c -{ - gtkcanvas = c; -} - -- (BOOL) canBecomeKeyWindow:(id)sender{ - return NO; -} - -- (BOOL) acceptsFirstResponder:(id)sender{ - return NO; -} - -- (void) reshape -{ - [[self openGLContext] update]; - - NSRect bounds = [self bounds]; - int width = bounds.size.width; - int height = bounds.size.height; - - if (_width == width && _height == height) { - return; - } - - [[self openGLContext] makeCurrentContext]; - - glViewport (0, 0, width, height); - glMatrixMode (GL_PROJECTION); - glLoadIdentity (); - glOrtho (-1.0f, 1.0f, -1.0f, 1.0f, -1.0f, 1.0f); - - glClear (GL_COLOR_BUFFER_BIT); - - glDeleteTextures (1, &_texture_id); - glGenTextures (1, &_texture_id); - glBindTexture (GL_TEXTURE_RECTANGLE_ARB, _texture_id); - glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, - width, height, 0, - GL_BGRA, GL_UNSIGNED_BYTE, NULL); - glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); - - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - - [NSOpenGLContext clearCurrentContext]; - - _width = width; - _height = height; -} - -- (void) drawRect:(NSRect)rect -{ - [[self openGLContext] makeCurrentContext]; - - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - glClear(GL_COLOR_BUFFER_BIT); - - /* call back into GtkCanvas */ - - ArdourCanvas::Rect crect (rect.origin.x, rect.origin.y, - rect.size.width + rect.origin.x, - rect.size.height + rect.origin.y); - - if (!surf || surf->get_width () != _width || surf->get_height() != _height) { - surf = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, _width, _height); - - crect.x0 = crect.y0 = 0; - crect.x1 = _width; - crect.y1 = _height; - } - - Cairo::RefPtr ctx = Cairo::Context::create (surf); - - // TODO: check retina screen, scaling factor. - // cairo_surface_get_device_scale () or explicit scale - - ctx->rectangle (crect.x0, crect.y0, crect.width(), crect.height()); - ctx->clip_preserve (); - /* draw background color */ - ArdourCanvas::set_source_rgba (ctx, gtkcanvas->background_color ()); - ctx->fill (); - - gtkcanvas->render (crect, ctx); - - surf->flush (); - uint8_t* imgdata = surf->get_data (); - - /* NOTE for big-endian (PPC), we'd need to flip byte-order - * RGBA <> RGBA for the texture. - * GtkCanvas does not use this nsview for PPC builds, yet - */ - - /* continue OpenGL */ - glPushMatrix (); - - glEnable(GL_TEXTURE_2D); - glBindTexture(GL_TEXTURE_RECTANGLE_ARB, _texture_id); - glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, - _width, _height, /*border*/ 0, - GL_BGRA, GL_UNSIGNED_BYTE, imgdata); - - glBegin(GL_QUADS); - glTexCoord2f( 0.0f, (GLfloat) _height); - glVertex2f(-1.0f, -1.0f); - - glTexCoord2f((GLfloat) _width, (GLfloat) _height); - glVertex2f( 1.0f, -1.0f); - - glTexCoord2f((GLfloat) _width, 0.0f); - glVertex2f( 1.0f, 1.0f); - - glTexCoord2f( 0.0f, 0.0f); - glVertex2f(-1.0f, 1.0f); - glEnd(); - - glDisable(GL_TEXTURE_2D); - glPopMatrix(); - - /// - - glFlush(); - glSwapAPPLE(); - [NSOpenGLContext clearCurrentContext]; -} - -@end - - -void* -ArdourCanvas::nsglview_create (GtkCanvas* canvas) -{ - ArdourCanvasOpenGLView* gl_view = [ArdourCanvasOpenGLView new]; - if (!gl_view) { - return 0; - } - [gl_view setArdourCanvas:canvas]; - return gl_view; -} - -void -ArdourCanvas::nsglview_overlay (void* glv, GdkWindow* window) -{ - ArdourCanvasOpenGLView* gl_view = (ArdourCanvasOpenGLView*) glv; - NSView* view = gdk_quartz_window_get_nsview (window); - [view addSubview:gl_view]; -} - -void -ArdourCanvas::nsglview_resize (void* glv, int x, int y, int w, int h) -{ - ArdourCanvasOpenGLView* gl_view = (ArdourCanvasOpenGLView*) glv; - [gl_view setFrame:NSMakeRect(x, y, w, h)]; -} - -void -ArdourCanvas::nsglview_queue_draw (void* glv, int x, int y, int w, int h) -{ - ArdourCanvasOpenGLView* gl_view = (ArdourCanvasOpenGLView*) glv; - [gl_view setNeedsDisplayInRect:NSMakeRect(x, y, w, h)]; -} diff --git a/libs/canvas/wscript b/libs/canvas/wscript index cdb6156f15..6294fe0d05 100644 --- a/libs/canvas/wscript +++ b/libs/canvas/wscript @@ -3,7 +3,6 @@ from waflib.extras import autowaf as autowaf from waflib import Options from waflib import TaskGen import os -import sys # Version of this package (even if built as a child) MAJOR = '0' @@ -97,9 +96,6 @@ def build(bld): obj.install_path = bld.env['LIBDIR'] obj.defines += [ 'PACKAGE="' + I18N_PACKAGE + '"' ] - if sys.platform == 'darwin': - obj.source += [ 'nsglview.mm'] - # canvas unit-tests are outdated if False and bld.env['BUILD_TESTS'] and bld.is_defined('HAVE_CPPUNIT'): unit_testobj = bld(features = 'cxx cxxprogram') diff --git a/libs/gtkmm2ext/gtkmm2ext/cairo_canvas.h b/libs/gtkmm2ext/gtkmm2ext/cairo_canvas.h new file mode 100644 index 0000000000..7dd9d44b44 --- /dev/null +++ b/libs/gtkmm2ext/gtkmm2ext/cairo_canvas.h @@ -0,0 +1,38 @@ +/* + Copyright (C) 2009 Paul Davis + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#ifndef __gtk2_ardour_cairo_canvas_h__ +#define __gtk2_ardour_cairo_canvas_h__ + +#include +#include "gtkmm2ext/visibility.h" + +namespace Gtkmm2ext { + +class LIBGTKMM2EXT_API CairoCanvas +{ +public: + virtual ~CairoCanvas () {} + + virtual void render (Cairo::RefPtr const&, cairo_rectangle_t*) = 0; + virtual uint32_t background_color () = 0; +}; + +} /* namespace */ +#endif diff --git a/libs/gtkmm2ext/gtkmm2ext/nsglview.h b/libs/gtkmm2ext/gtkmm2ext/nsglview.h new file mode 100644 index 0000000000..8a175f3322 --- /dev/null +++ b/libs/gtkmm2ext/gtkmm2ext/nsglview.h @@ -0,0 +1,15 @@ +#ifndef __CANVAS_NSGLVIEW_H__ +#define __CANVAS_NSGLVIEW_H__ + +#include + +namespace Gtkmm2ext +{ + class CairoCanvas; + + void* nsglview_create (CairoCanvas*); + void nsglview_overlay (void*, GdkWindow*); + void nsglview_resize (void*, int x, int y, int w, int h); + void nsglview_queue_draw (void*, int x, int y, int w, int h); +} +#endif diff --git a/libs/gtkmm2ext/nsglview.mm b/libs/gtkmm2ext/nsglview.mm new file mode 100644 index 0000000000..a9842935e7 --- /dev/null +++ b/libs/gtkmm2ext/nsglview.mm @@ -0,0 +1,284 @@ +/* + Copyright (C) 2011 Paul Davis + Copyright (C) 2012 David Robillard + Copyright (C) 2017 Robin Gareus + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +/* include order matter due to apple defines */ +#include + +#include "gtkmm2ext/cairo_canvas.h" +#include "gtkmm2ext/nsglview.h" +#include "gtkmm2ext/rgb_macros.h" + +#include + +#include +#import + +#ifndef ARDOUR_CANVAS_NSVIEW_TAG +#define ARDOUR_CANVAS_NSVIEW_TAG 0xa2d0c2c4 +#endif + +__attribute__ ((visibility ("hidden"))) +@interface ArdourCanvasOpenGLView : NSOpenGLView +{ +@private + unsigned int _texture_id; + int _width; + int _height; + Cairo::RefPtr surf; + Gtkmm2ext::CairoCanvas *cairo_canvas; +} + +@property (readwrite) NSInteger tag; + +- (id) initWithFrame:(NSRect)frame; +- (void) dealloc; +- (void) setCairoCanvas:(Gtkmm2ext::CairoCanvas*)c; +- (void) reshape; +- (void) drawRect:(NSRect)rect; +- (BOOL) canBecomeKeyWindow:(id)sender; +- (BOOL) acceptsFirstResponder:(id)sender; + +@end + +@implementation ArdourCanvasOpenGLView + +@synthesize tag = _tag; + +- (id) initWithFrame:(NSRect)frame +{ + NSOpenGLPixelFormatAttribute pixelAttribs[16] = { + NSOpenGLPFADoubleBuffer, + NSOpenGLPFAAccelerated, + NSOpenGLPFAColorSize, 32, + NSOpenGLPFADepthSize, 32, + NSOpenGLPFAMultisample, + NSOpenGLPFASampleBuffers, 1, + NSOpenGLPFASamples, 4, + 0 + }; + + NSOpenGLPixelFormat* pixelFormat = + [[NSOpenGLPixelFormat alloc] initWithAttributes:pixelAttribs]; + + if (pixelFormat) { + self = [super initWithFrame:frame pixelFormat:pixelFormat]; + [pixelFormat release]; + } else { + self = [super initWithFrame:frame]; + } + + _texture_id = 0; + _width = 0; + _height = 0; + + if (self) { + self.tag = ARDOUR_CANVAS_NSVIEW_TAG; + [[self openGLContext] makeCurrentContext]; + glClearColor (0.0f, 0.0f, 0.0f, 0.0f); + glDisable (GL_DEPTH_TEST); + glEnable (GL_BLEND); + glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable (GL_TEXTURE_RECTANGLE_ARB); + [NSOpenGLContext clearCurrentContext]; + + [self reshape]; + } + + return self; +} + +- (void) dealloc { + [[self openGLContext] makeCurrentContext]; + glDeleteTextures (1, &_texture_id); + [NSOpenGLContext clearCurrentContext]; + + [super dealloc]; +} + +- (void) setCairoCanvas:(Gtkmm2ext::CairoCanvas*)c +{ + cairo_canvas = c; +} + +- (BOOL) canBecomeKeyWindow:(id)sender{ + return NO; +} + +- (BOOL) acceptsFirstResponder:(id)sender{ + return NO; +} + +- (void) reshape +{ + [[self openGLContext] update]; + + NSRect bounds = [self bounds]; + int width = bounds.size.width; + int height = bounds.size.height; + + if (_width == width && _height == height) { + return; + } + + [[self openGLContext] makeCurrentContext]; + + glViewport (0, 0, width, height); + glMatrixMode (GL_PROJECTION); + glLoadIdentity (); + glOrtho (-1.0f, 1.0f, -1.0f, 1.0f, -1.0f, 1.0f); + + glClear (GL_COLOR_BUFFER_BIT); + + glDeleteTextures (1, &_texture_id); + glGenTextures (1, &_texture_id); + glBindTexture (GL_TEXTURE_RECTANGLE_ARB, _texture_id); + glTexImage2D (GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, + width, height, 0, + GL_BGRA, GL_UNSIGNED_BYTE, NULL); + glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); + + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + + [NSOpenGLContext clearCurrentContext]; + + _width = width; + _height = height; +} + +- (void) drawRect:(NSRect)rect +{ + [[self openGLContext] makeCurrentContext]; + + glMatrixMode(GL_MODELVIEW); + glLoadIdentity(); + glClear(GL_COLOR_BUFFER_BIT); + + /* call back into CairoCanvas */ + cairo_rectangle_t cairo_rect; + + cairo_rect.x = rect.origin.x; + cairo_rect.y = rect.origin.y; + cairo_rect.width = rect.size.width; + cairo_rect.height = rect.size.height; + + if (!surf || surf->get_width () != _width || surf->get_height() != _height) { + surf = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, _width, _height); + + cairo_rect.x = 0; + cairo_rect.y = 0; + cairo_rect.width = _width; + cairo_rect.height = _height; + } + + Cairo::RefPtr ctx = Cairo::Context::create (surf); + + // TODO: check retina screen, scaling factor. + // cairo_surface_get_device_scale () or explicit scale + + ctx->rectangle (cairo_rect.x, cairo_rect.y, cairo_rect.width, cairo_rect.height); + ctx->clip_preserve (); + { + /* draw background color */ + uint32_t col = cairo_canvas->background_color (); + int r, g, b, a; + UINT_TO_RGBA (col, &r, &g, &b, &a); + ctx->set_source_rgba (r/255.0, g/255.0, b/255.0, a/255.0); + } + ctx->fill (); + + cairo_canvas->render (ctx, &cairo_rect); + + surf->flush (); + uint8_t* imgdata = surf->get_data (); + + /* NOTE for big-endian (PPC), we'd need to flip byte-order + * RGBA <> RGBA for the texture. + * GtkCanvas does not use this nsview for PPC builds, yet + */ + + /* continue OpenGL */ + glPushMatrix (); + + glEnable(GL_TEXTURE_2D); + glBindTexture(GL_TEXTURE_RECTANGLE_ARB, _texture_id); + glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, + _width, _height, /*border*/ 0, + GL_BGRA, GL_UNSIGNED_BYTE, imgdata); + + glBegin(GL_QUADS); + glTexCoord2f( 0.0f, (GLfloat) _height); + glVertex2f(-1.0f, -1.0f); + + glTexCoord2f((GLfloat) _width, (GLfloat) _height); + glVertex2f( 1.0f, -1.0f); + + glTexCoord2f((GLfloat) _width, 0.0f); + glVertex2f( 1.0f, 1.0f); + + glTexCoord2f( 0.0f, 0.0f); + glVertex2f(-1.0f, 1.0f); + glEnd(); + + glDisable(GL_TEXTURE_2D); + glPopMatrix(); + + /// + + glFlush(); + glSwapAPPLE(); + [NSOpenGLContext clearCurrentContext]; +} +@end + + +void* +Gtkmm2ext::nsglview_create (Gtkmm2ext::CairoCanvas* canvas) +{ + ArdourCanvasOpenGLView* gl_view = [ArdourCanvasOpenGLView new]; + if (!gl_view) { + return 0; + } + [gl_view setCairoCanvas:canvas]; + return gl_view; +} + +void +Gtkmm2ext::nsglview_overlay (void* glv, GdkWindow* window) +{ + ArdourCanvasOpenGLView* gl_view = (ArdourCanvasOpenGLView*) glv; + NSView* view = gdk_quartz_window_get_nsview (window); + [view addSubview:gl_view]; +} + +void +Gtkmm2ext::nsglview_resize (void* glv, int x, int y, int w, int h) +{ + ArdourCanvasOpenGLView* gl_view = (ArdourCanvasOpenGLView*) glv; + [gl_view setFrame:NSMakeRect(x, y, w, h)]; +} + +void +Gtkmm2ext::nsglview_queue_draw (void* glv, int x, int y, int w, int h) +{ + ArdourCanvasOpenGLView* gl_view = (ArdourCanvasOpenGLView*) glv; + [gl_view setNeedsDisplayInRect:NSMakeRect(x, y, w, h)]; +} diff --git a/libs/gtkmm2ext/wscript b/libs/gtkmm2ext/wscript index 4e1a031906..ef13e60071 100644 --- a/libs/gtkmm2ext/wscript +++ b/libs/gtkmm2ext/wscript @@ -118,7 +118,7 @@ def build(bld): 'LOCALEDIR="' + os.path.join( os.path.normpath(bld.env['DATADIR']), 'locale') + '"'] if sys.platform == 'darwin': - obj.source += ['gtkapplication_quartz.mm'] + obj.source += ['gtkapplication_quartz.mm', 'nsglview.mm'] else: obj.source += ['gtkapplication_x11.c'] -- cgit v1.2.3