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-rw-r--r--gtk2_ardour/editor_drag.cc6
-rw-r--r--gtk2_ardour/marker.cc1
-rw-r--r--gtk2_ardour/streamview.cc3
-rw-r--r--gtk2_ardour/time_axis_view_item.cc1
-rw-r--r--gtk2_ardour/utils.cc119
-rw-r--r--gtk2_ardour/utils.h15
-rw-r--r--libs/gtkmm2ext/gtkmm2ext/utils.h11
-rw-r--r--libs/gtkmm2ext/utils.cc145
8 files changed, 161 insertions, 140 deletions
diff --git a/gtk2_ardour/editor_drag.cc b/gtk2_ardour/editor_drag.cc
index 33ff839ec5..eb34787408 100644
--- a/gtk2_ardour/editor_drag.cc
+++ b/gtk2_ardour/editor_drag.cc
@@ -17,11 +17,14 @@
*/
-#define __STDC_LIMIT_MACROS 1
#include <stdint.h>
+
#include "pbd/memento_command.h"
#include "pbd/basename.h"
#include "pbd/stateful_diff_command.h"
+
+#include "gtkmm2ext/utils.h"
+
#include "ardour/session.h"
#include "ardour/dB.h"
#include "ardour/region_factory.h"
@@ -48,6 +51,7 @@ using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
+using namespace Gtkmm2ext;
using namespace Editing;
using namespace ArdourCanvas;
diff --git a/gtk2_ardour/marker.cc b/gtk2_ardour/marker.cc
index 46e184a1d4..e42dc3308e 100644
--- a/gtk2_ardour/marker.cc
+++ b/gtk2_ardour/marker.cc
@@ -39,6 +39,7 @@
using namespace std;
using namespace ARDOUR;
+using namespace Gtkmm2ext;
PBD::Signal1<void,Marker*> Marker::CatchDeletion;
diff --git a/gtk2_ardour/streamview.cc b/gtk2_ardour/streamview.cc
index 257584fd31..85974a039c 100644
--- a/gtk2_ardour/streamview.cc
+++ b/gtk2_ardour/streamview.cc
@@ -21,6 +21,7 @@
#include <gtkmm.h>
#include <gtkmm2ext/gtk_ui.h>
+#include <gtkmm2ext/utils.h>
#include "ardour/playlist.h"
#include "ardour/region.h"
@@ -67,7 +68,7 @@ StreamView::StreamView (RouteTimeAxisView& tv, ArdourCanvas::Group* background_g
canvas_rect = new ArdourCanvas::SimpleRect (*_background_group);
canvas_rect->property_x1() = 0.0;
canvas_rect->property_y1() = 0.0;
- canvas_rect->property_x2() = physical_screen_width (_trackview.editor().get_window());
+ canvas_rect->property_x2() = Gtkmm2ext::physical_screen_width (_trackview.editor().get_window());
canvas_rect->property_y2() = (double) tv.current_height();
canvas_rect->raise(1); // raise above tempo lines
diff --git a/gtk2_ardour/time_axis_view_item.cc b/gtk2_ardour/time_axis_view_item.cc
index a79b1033a9..b5754c9ca1 100644
--- a/gtk2_ardour/time_axis_view_item.cc
+++ b/gtk2_ardour/time_axis_view_item.cc
@@ -47,6 +47,7 @@ using namespace Editing;
using namespace Glib;
using namespace PBD;
using namespace ARDOUR;
+using namespace Gtkmm2ext;
Pango::FontDescription* TimeAxisViewItem::NAME_FONT = 0;
const double TimeAxisViewItem::NAME_X_OFFSET = 15.0;
diff --git a/gtk2_ardour/utils.cc b/gtk2_ardour/utils.cc
index b94a6f8260..fe81ce54ff 100644
--- a/gtk2_ardour/utils.cc
+++ b/gtk2_ardour/utils.cc
@@ -916,61 +916,6 @@ reset_dpi ()
DPIReset();//Emit Signal
}
-
-
-inline guint8
-convert_color_channel (guint8 src,
- guint8 alpha)
-{
- return alpha ? ((guint (src) << 8) - src) / alpha : 0;
-}
-
-void
-convert_bgra_to_rgba (guint8 const* src,
- guint8* dst,
- int width,
- int height)
-{
- guint8 const* src_pixel = src;
- guint8* dst_pixel = dst;
-
- for (int y = 0; y < height; y++)
- for (int x = 0; x < width; x++)
- {
-#if G_BYTE_ORDER == G_LITTLE_ENDIAN
- /* [ B G R A ] is actually [ B G R A ] in memory SOURCE
- 0 1 2 3
- [ R G B A ] is actually [ R G B A ] in memory DEST
- */
- dst_pixel[0] = convert_color_channel (src_pixel[2],
- src_pixel[3]); // R [0] <= [ 2 ]
- dst_pixel[1] = convert_color_channel (src_pixel[1],
- src_pixel[3]); // G [1] <= [ 1 ]
- dst_pixel[2] = convert_color_channel (src_pixel[0],
- src_pixel[3]); // B [2] <= [ 0 ]
- dst_pixel[3] = src_pixel[3]; // alpha
-
-#elif G_BYTE_ORDER == G_BIG_ENDIAN
- /* [ B G R A ] is actually [ A R G B ] in memory SOURCE
- 0 1 2 3
- [ R G B A ] is actually [ A B G R ] in memory DEST
- */
- dst_pixel[3] = convert_color_channel (src_pixel[1],
- src_pixel[0]); // R [3] <= [ 1 ]
- dst_pixel[2] = convert_color_channel (src_pixel[2],
- src_pixel[0]); // G [2] <= [ 2 ]
- dst_pixel[1] = convert_color_channel (src_pixel[3],
- src_pixel[0]); // B [1] <= [ 3 ]
- dst_pixel[0] = src_pixel[0]; // alpha
-
-#else
-#error ardour does not currently support PDP-endianess
-#endif
- dst_pixel += 4;
- src_pixel += 4;
- }
-}
-
void
resize_window_to_proportion_of_monitor (Gtk::Window* window, int max_width, int max_height)
{
@@ -984,41 +929,6 @@ resize_window_to_proportion_of_monitor (Gtk::Window* window, int max_width, int
window->resize (w, h);
}
-Glib::RefPtr<Gdk::Pixbuf>
-pixbuf_from_string(const string& name, Pango::FontDescription* font, int clip_width, int clip_height, Gdk::Color fg)
-{
- static Glib::RefPtr<Gdk::Pixbuf>* empty_pixbuf = 0;
-
- if (name.empty()) {
- if (empty_pixbuf == 0) {
- empty_pixbuf = new Glib::RefPtr<Gdk::Pixbuf>;
- *empty_pixbuf = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true, 8, clip_width, clip_height);
- }
- return *empty_pixbuf;
- }
-
- Glib::RefPtr<Gdk::Pixbuf> buf = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true, 8, clip_width, clip_height);
-
- cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, clip_width, clip_height);
- cairo_t* cr = cairo_create (surface);
- cairo_text_extents_t te;
-
- cairo_set_source_rgba (cr, fg.get_red_p(), fg.get_green_p(), fg.get_blue_p(), 1.0);
- cairo_select_font_face (cr, font->get_family().c_str(),
- CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
- cairo_set_font_size (cr, font->get_size() / Pango::SCALE);
- cairo_text_extents (cr, name.c_str(), &te);
-
- cairo_move_to (cr, 0.5, 0.5 - te.height / 2 - te.y_bearing + clip_height / 2);
- cairo_show_text (cr, name.c_str());
-
- convert_bgra_to_rgba(cairo_image_surface_get_data (surface), buf->get_pixels(), clip_width, clip_height);
-
- cairo_destroy(cr);
- cairo_surface_destroy(surface);
-
- return buf;
-}
/** Replace _ with __ in a string; for use with menu item text to make underscores displayed correctly */
string
@@ -1075,32 +985,3 @@ control_link (ScopedConnectionList& scl, boost::shared_ptr<Controllable> c, Gtk:
gui_context());
}
-int
-physical_screen_height (Glib::RefPtr<Gdk::Window> win)
-{
- GdkScreen* scr = gdk_screen_get_default();
-
- if (win) {
- GdkRectangle r;
- gint monitor = gdk_screen_get_monitor_at_window (scr, win->gobj());
- gdk_screen_get_monitor_geometry (scr, monitor, &r);
- return r.height;
- } else {
- return gdk_screen_get_height (scr);
- }
-}
-
-int
-physical_screen_width (Glib::RefPtr<Gdk::Window> win)
-{
- GdkScreen* scr = gdk_screen_get_default();
-
- if (win) {
- GdkRectangle r;
- gint monitor = gdk_screen_get_monitor_at_window (scr, win->gobj());
- gdk_screen_get_monitor_geometry (scr, monitor, &r);
- return r.width;
- } else {
- return gdk_screen_get_width (scr);
- }
-}
diff --git a/gtk2_ardour/utils.h b/gtk2_ardour/utils.h
index 58cc1c25bf..fbfba08a77 100644
--- a/gtk2_ardour/utils.h
+++ b/gtk2_ardour/utils.h
@@ -85,25 +85,10 @@ bool key_is_legal_for_numeric_entry (guint keyval);
void reset_dpi ();
void set_pango_fontsize ();
-inline guint8 convert_color_channel (guint8 src, guint8 alpha);
-void convert_bgra_to_rgba (guint8 const* src,
- guint8* dst,
- int width,
- int height);
-
-Glib::RefPtr<Gdk::Pixbuf> pixbuf_from_string (const std::string& name,
- Pango::FontDescription* font,
- int clip_width,
- int clip_height,
- Gdk::Color);
-
void resize_window_to_proportion_of_monitor (Gtk::Window*, int, int);
std::string escape_underscores (std::string const &);
void control_link (PBD::ScopedConnectionList& scl, boost::shared_ptr<PBD::Controllable> c, Gtk::Adjustment& a);
-int physical_screen_height (Glib::RefPtr<Gdk::Window>);
-int physical_screen_width (Glib::RefPtr<Gdk::Window>);
-
#endif /* __ardour_gtk_utils_h__ */
diff --git a/libs/gtkmm2ext/gtkmm2ext/utils.h b/libs/gtkmm2ext/gtkmm2ext/utils.h
index f4ddacd409..aea4ff11f5 100644
--- a/libs/gtkmm2ext/gtkmm2ext/utils.h
+++ b/libs/gtkmm2ext/gtkmm2ext/utils.h
@@ -26,6 +26,8 @@
#include <gtkmm/treeview.h>
#include <gdkmm/window.h> /* for WMDecoration */
+#include <gdkmm/pixbuf.h>
+#include <pangomm/fontdescription.h>
namespace Gtk {
class ComboBoxText;
@@ -51,6 +53,12 @@ namespace Gtkmm2ext {
gint hpadding,
gint vpadding);
+ Glib::RefPtr<Gdk::Pixbuf> pixbuf_from_string (const std::string& name,
+ Pango::FontDescription* font,
+ int clip_width,
+ int clip_height,
+ Gdk::Color fg);
+
void set_popdown_strings (Gtk::ComboBoxText&,
const std::vector<std::string>&,
bool set_size = false,
@@ -75,6 +83,9 @@ namespace Gtkmm2ext {
bool possibly_translate_keyval_to_make_legal_accelerator (uint32_t& keyval);
uint32_t possibly_translate_legal_accelerator_to_real_key (uint32_t keyval);
+
+ int physical_screen_height (Glib::RefPtr<Gdk::Window>);
+ int physical_screen_width (Glib::RefPtr<Gdk::Window>);
};
#endif /* __gtkmm2ext_utils_h__ */
diff --git a/libs/gtkmm2ext/utils.cc b/libs/gtkmm2ext/utils.cc
index 4e45cdb8b7..876a153bf8 100644
--- a/libs/gtkmm2ext/utils.cc
+++ b/libs/gtkmm2ext/utils.cc
@@ -35,6 +35,13 @@
using namespace std;
void
+Gtkmm2ext::init ()
+{
+ // Necessary for gettext
+ (void) bindtextdomain(PACKAGE, LOCALEDIR);
+}
+
+void
Gtkmm2ext::get_ink_pixel_size (Glib::RefPtr<Pango::Layout> layout,
int& width,
int& height)
@@ -84,11 +91,112 @@ Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w,
w.set_size_request(width_max + hpadding, height_max + vpadding);
}
-void
-Gtkmm2ext::init ()
+static inline guint8
+demultiply_alpha (guint8 src,
+ guint8 alpha)
{
- // Necessary for gettext
- (void) bindtextdomain(PACKAGE, LOCALEDIR);
+ /* cairo pixel buffer data contains RGB values with the alpha
+ values premultiplied.
+
+ GdkPixbuf pixel buffer data contains RGB values without the
+ alpha value applied.
+
+ this removes the alpha component from the cairo version and
+ returns the GdkPixbuf version.
+ */
+ return alpha ? ((guint (src) << 8) - src) / alpha : 0;
+}
+
+static void
+convert_bgra_to_rgba (guint8 const* src,
+ guint8* dst,
+ int width,
+ int height)
+{
+ guint8 const* src_pixel = src;
+ guint8* dst_pixel = dst;
+
+ /* cairo pixel data is endian-dependent ARGB with A in the most significant 8 bits,
+ with premultipled alpha values (see preceding function)
+
+ GdkPixbuf pixel data is non-endian-dependent RGBA with R in the lowest addressable
+ 8 bits, and non-premultiplied alpha values.
+
+ convert from the cairo values to the GdkPixbuf ones.
+ */
+
+ for (int y = 0; y < height; y++) {
+ for (int x = 0; x < width; x++) {
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+ /* Cairo [ B G R A ] is actually [ B G R A ] in memory SOURCE
+ 0 1 2 3
+ Pixbuf [ R G B A ] is actually [ R G B A ] in memory DEST
+ */
+ dst_pixel[0] = demultiply_alpha (src_pixel[2],
+ src_pixel[3]); // R [0] <= [ 2 ]
+ dst_pixel[1] = demultiply_alpha (src_pixel[1],
+ src_pixel[3]); // G [1] <= [ 1 ]
+ dst_pixel[2] = demultiply_alpha (src_pixel[0],
+ src_pixel[3]); // B [2] <= [ 0 ]
+ dst_pixel[3] = src_pixel[3]; // alpha
+
+#elif G_BYTE_ORDER == G_BIG_ENDIAN
+ /* Cairo [ B G R A ] is actually [ A R G B ] in memory SOURCE
+ 0 1 2 3
+ Pixbuf [ R G B A ] is actually [ R G B A ] in memory DEST
+ */
+ dst_pixel[0] = demultiply_alpha (src_pixel[1],
+ src_pixel[0]); // R [0] <= [ 1 ]
+ dst_pixel[1] = demultiply_alpha (src_pixel[2],
+ src_pixel[0]); // G [1] <= [ 2 ]
+ dst_pixel[2] = demultiply_alpha (src_pixel[3],
+ src_pixel[0]); // B [2] <= [ 3 ]
+ dst_pixel[3] = src_pixel[0]; // alpha
+
+#else
+#error ardour does not currently support PDP-endianess
+#endif
+
+ dst_pixel += 4;
+ src_pixel += 4;
+ }
+ }
+}
+
+Glib::RefPtr<Gdk::Pixbuf>
+Gtkmm2ext::pixbuf_from_string(const string& name, Pango::FontDescription* font, int clip_width, int clip_height, Gdk::Color fg)
+{
+ static Glib::RefPtr<Gdk::Pixbuf>* empty_pixbuf = 0;
+
+ if (name.empty()) {
+ if (empty_pixbuf == 0) {
+ empty_pixbuf = new Glib::RefPtr<Gdk::Pixbuf>;
+ *empty_pixbuf = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true, 8, clip_width, clip_height);
+ }
+ return *empty_pixbuf;
+ }
+
+ Glib::RefPtr<Gdk::Pixbuf> buf = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB, true, 8, clip_width, clip_height);
+
+ cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, clip_width, clip_height);
+ cairo_t* cr = cairo_create (surface);
+ cairo_text_extents_t te;
+
+ cairo_set_source_rgba (cr, fg.get_red_p(), fg.get_green_p(), fg.get_blue_p(), 1.0);
+ cairo_select_font_face (cr, font->get_family().c_str(),
+ CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
+ cairo_set_font_size (cr, font->get_size() / Pango::SCALE);
+ cairo_text_extents (cr, name.c_str(), &te);
+
+ cairo_move_to (cr, 0.5, 0.5 - te.height / 2 - te.y_bearing + clip_height / 2);
+ cairo_show_text (cr, name.c_str());
+
+ convert_bgra_to_rgba(cairo_image_surface_get_data (surface), buf->get_pixels(), clip_width, clip_height);
+
+ cairo_destroy(cr);
+ cairo_surface_destroy(surface);
+
+ return buf;
}
void
@@ -239,3 +347,32 @@ Gtkmm2ext::possibly_translate_legal_accelerator_to_real_key (uint32_t keyval)
return keyval;
}
+int
+Gtkmm2ext::physical_screen_height (Glib::RefPtr<Gdk::Window> win)
+{
+ GdkScreen* scr = gdk_screen_get_default();
+
+ if (win) {
+ GdkRectangle r;
+ gint monitor = gdk_screen_get_monitor_at_window (scr, win->gobj());
+ gdk_screen_get_monitor_geometry (scr, monitor, &r);
+ return r.height;
+ } else {
+ return gdk_screen_get_height (scr);
+ }
+}
+
+int
+Gtkmm2ext::physical_screen_width (Glib::RefPtr<Gdk::Window> win)
+{
+ GdkScreen* scr = gdk_screen_get_default();
+
+ if (win) {
+ GdkRectangle r;
+ gint monitor = gdk_screen_get_monitor_at_window (scr, win->gobj());
+ gdk_screen_get_monitor_geometry (scr, monitor, &r);
+ return r.width;
+ } else {
+ return gdk_screen_get_width (scr);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-22 13:41:47 +0000