def expose_cb(widget, event):
global pixbuf, interp_type, overall_alpha
# gdk_window_set_back_pixmap (widget->window, NULL, FALSE);
event_x, event_y, event_width, event_height = event.area
widget_alloc = widget.get_allocation()
widget_alloc_width = widget_alloc[2]
widget_alloc_height = widget_alloc[3]
dest = GdkPixbuf.GdkPixbufBlank(GdkPixbuf.COLORSPACE_RGB, FALSE, 8, event_width, event_height)
GdkPixbuf.pixbuf_composite_color(
pixbuf,
dest,
0,
0,
event_width,
event_height,
-event_x,
-event_y,
widget_alloc_width / pixbuf.get_width() + 0.0,
widget_alloc_height / pixbuf.get_height() + 0.0,
interp_type,
overall_alpha,
event_x,
event_y,
16,
0xAAAAAA,
0x555555,
)
dest.render_to_drawable(
widget.get_window(),
widget.get_style().fg_gc[STATE_NORMAL],
0,
0,
event_x,
event_y,
event_width,
event_height,
GDK.RGB_DITHER_NORMAL,
event_x,
event_y,
)
del dest
return TRUE
def expose_cb(widget, event):
global pixbuf, interp_type, overall_alpha
# gdk_window_set_back_pixmap (widget->window, NULL, FALSE);
event_x, event_y, event_width, event_height = event.area
widget_alloc = widget.get_allocation()
widget_alloc_width = widget_alloc[2]
widget_alloc_height = widget_alloc[3]
dest = GdkPixbuf.GdkPixbufBlank(GdkPixbuf.COLORSPACE_RGB, FALSE, 8,
event_width, event_height)
GdkPixbuf.pixbuf_composite_color(
pixbuf, dest, 0, 0, event_width, event_height, -event_x, -event_y,
widget_alloc_width / pixbuf.get_width() + 0.0,
widget_alloc_height / pixbuf.get_height() + 0.0, interp_type,
overall_alpha, event_x, event_y, 16, 0xaaaaaa, 0x555555)
dest.render_to_drawable(widget.get_window(),
widget.get_style().fg_gc[STATE_NORMAL], 0, 0,
event_x, event_y, event_width, event_height,
GDK.RGB_DITHER_NORMAL, event_x, event_y)
del dest
return TRUE
#pixbuf_scaled = pixbuf.scale (20, 30, 70, 80, # 0, 0, 0, 0, GdkPixbuf.INTERP_NEAREST) pixbuf_scaled = GdkPixbuf.GdkPixbufBlank (0, TRUE, 8, 150, 150) pixbuf.scale (pixbuf_scaled, 20, 30, 70, 80, 0, 0, 0.5, 0.5, GdkPixbuf.INTERP_NEAREST) show_pixbuf (pixbuf_scaled, "scaled pic.png") pixbuf_composited = GdkPixbuf.GdkPixbufBlank (0, TRUE, 8, 150, 150) GdkPixbuf.pixbuf_composite (pixbuf, pixbuf_composited, 20, 20, 100, 80, 0, 0, 1.0, 1.0, GdkPixbuf.INTERP_NEAREST, 200) show_pixbuf (pixbuf_composited, "pixbuf_composited") pixbuf_composited_color = GdkPixbuf.GdkPixbufBlank (0, TRUE, 8, 150, 150) GdkPixbuf.pixbuf_composite_color (pixbuf, pixbuf_composited_color, 30, 15, 100, 90, 10, 18, 0.7, 0.7, GdkPixbuf.INTERP_HYPER, 0, 2, 5, 16, 20000, 40000) show_pixbuf (pixbuf_composited_color, "pixubf_composited_color") app() mainloop ()
#!/usr/bin/python
import gtklib
from gtk import *
import GdkPixbuf
from Test import *
pixbuf = GdkPixbuf.GdkPixbufFromFile("pic.png")
show_pixbuf(pixbuf, "pic.png")
#pixbuf_scaled = pixbuf.scale (20, 30, 70, 80,
# 0, 0, 0, 0, GdkPixbuf.INTERP_NEAREST)
pixbuf_scaled = GdkPixbuf.GdkPixbufBlank(0, TRUE, 8, 150, 150)
pixbuf.scale(pixbuf_scaled, 20, 30, 70, 80, 0, 0, 0.5, 0.5,
GdkPixbuf.INTERP_NEAREST)
show_pixbuf(pixbuf_scaled, "scaled pic.png")
pixbuf_composited = GdkPixbuf.GdkPixbufBlank(0, TRUE, 8, 150, 150)
GdkPixbuf.pixbuf_composite(pixbuf, pixbuf_composited, 20, 20, 100, 80, 0, 0,
1.0, 1.0, GdkPixbuf.INTERP_NEAREST, 200)
show_pixbuf(pixbuf_composited, "pixbuf_composited")
pixbuf_composited_color = GdkPixbuf.GdkPixbufBlank(0, TRUE, 8, 150, 150)
GdkPixbuf.pixbuf_composite_color(pixbuf, pixbuf_composited_color, 30, 15, 100,
90, 10, 18, 0.7, 0.7, GdkPixbuf.INTERP_HYPER,
0, 2, 5, 16, 20000, 40000)
show_pixbuf(pixbuf_composited_color, "pixubf_composited_color")
app()
mainloop()
