adding in ghosd

1 files changed, 97 insertions, 0 deletions

diff --git a/abs/mv-core/ghosd/ghosd-0.0.1/examples/animation.c b/abs/mv-core/ghosd/ghosd-0.0.1/examples/animation.c
new file mode 100644
index 0000000..8c1a2c5
--- /dev/null
+++ b/abs/mv-core/ghosd/ghosd-0.0.1/examples/animation.c
@@ -0,0 +1,97 @@
+/* ghosd -- OSD with fake transparency, cairo, and pango.
+ * Copyright (C) 2006 Evan Martin <martine@danga.com>
+ */
+
+#include <stdio.h>
+#include <sys/time.h>
+#include <sys/poll.h>
+#include <time.h>
+
+#include <cairo/cairo.h>
+
+#include <ghosd/ghosd.h>
+
+typedef struct {
+  cairo_surface_t* foot;
+  float alpha;
+} RenderData;
+
+static void
+round_rect(cairo_t *cr, int x, int y, int w, int h, int r) {
+  cairo_move_to(cr, x+r, y);
+  cairo_line_to(cr, x+w-r, y); /* top edge */
+  cairo_curve_to(cr, x+w, y, x+w, y, x+w, y+r);
+  cairo_line_to(cr, x+w, y+h-r); /* right edge */
+  cairo_curve_to(cr, x+w, y+h, x+w, y+h, x+w-r, y+h);
+  cairo_line_to(cr, x+r, y+h); /* bottom edge */
+  cairo_curve_to(cr, x, y+h, x, y+h, x, y+h-r);
+  cairo_line_to(cr, x, y+r); /* left edge */
+  cairo_curve_to(cr, x, y, x, y, x+r, y);
+  cairo_close_path(cr);
+}
+
+#define RADIUS 20
+
+static void
+render(Ghosd *ghosd, cairo_t *cr, void* data) {
+  RenderData *rdata = data;
+
+  cairo_set_source_rgba(cr, rdata->alpha, 0, 0, 0.5);
+  cairo_new_path(cr);
+  round_rect(cr, 10, 10, 180, 230, RADIUS);
+  cairo_fill(cr);
+
+  cairo_set_source_rgba(cr, 1, 1, 1, 1.0);
+  cairo_new_path(cr);
+  round_rect(cr, 20, 20, 160, 210, RADIUS);
+  cairo_stroke(cr);
+
+  cairo_save(cr);
+  cairo_set_source_rgba(cr, 1, 1, 1, 1.0);
+  cairo_set_source_surface(cr, rdata->foot, 30, 30);
+  cairo_paint(cr);
+  cairo_restore(cr);
+}
+
+int main(int argc, char* argv[]) {
+  Ghosd *ghosd;
+  RenderData data = {0};
+
+  const char *image = "/usr/share/pixmaps/gnome-background-image.png";
+  data.foot = cairo_image_surface_create_from_png(image);
+  data.alpha = 0.5;
+
+  ghosd = ghosd_new();
+  ghosd_set_position(ghosd, 50, 50, 200, 240);
+  ghosd_set_render(ghosd, render, &data);
+  ghosd_render(ghosd);
+  ghosd_show(ghosd);
+
+  ghosd_main_iterations(ghosd);
+
+  const int STEP = 50;
+  float dalpha = 0.05;
+
+  struct timeval tv_nextupdate;
+
+  for (;;) {
+    gettimeofday(&tv_nextupdate, NULL);
+    tv_nextupdate.tv_usec += STEP*1000;
+
+    ghosd_main_until(ghosd, &tv_nextupdate);
+
+    data.alpha += dalpha;
+    if (data.alpha >= 1.0) {
+      data.alpha = 1.0;
+      dalpha = -dalpha;
+    } else if (data.alpha <= 0.0) {
+      data.alpha = 0.0;
+      dalpha = -dalpha;
+    }
+    ghosd_render(ghosd);
+  }
+
+  return 0;
+}
+
+/* vim: set ts=2 sw=2 et cino=(0 : */