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colorsel: Create cursor image using Cairo

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This commit is contained in:
Benjamin Otte 2010-08-06 18:03:18 +02:00
parent 7b9e2b941c
commit e42033d2cc
1 changed files with 49 additions and 16 deletions
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65
gtk/gtkcolorsel.c
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@ -70,6 +70,7 @@
/* The cursor for the dropper */
#define DROPPER_WIDTH 17
#define DROPPER_HEIGHT 17
#define DROPPER_STRIDE 4
#define DROPPER_X_HOT 2
#define DROPPER_Y_HOT 16
@ -237,18 +238,26 @@ static GtkColorSelectionChangePaletteFunc noscreen_change_palette_hook = default
static GtkColorSelectionChangePaletteWithScreenFunc change_palette_hook = default_change_palette_func;
static const guchar dropper_bits[] = {
0xff, 0x8f, 0x01, 0xff, 0x77, 0x01, 0xff, 0xfb, 0x00, 0xff, 0xf8, 0x00,
0x7f, 0xff, 0x00, 0xff, 0x7e, 0x01, 0xff, 0x9d, 0x01, 0xff, 0xd8, 0x01,
0x7f, 0xd4, 0x01, 0x3f, 0xee, 0x01, 0x1f, 0xff, 0x01, 0x8f, 0xff, 0x01,
0xc7, 0xff, 0x01, 0xe3, 0xff, 0x01, 0xf3, 0xff, 0x01, 0xfd, 0xff, 0x01,
0xff, 0xff, 0x01, };
0xff, 0x8f, 0x01, 0x00, 0xff, 0x77, 0x01, 0x00,
0xff, 0xfb, 0x00, 0x00, 0xff, 0xf8, 0x00, 0x00,
0x7f, 0xff, 0x00, 0x00, 0xff, 0x7e, 0x01, 0x00,
0xff, 0x9d, 0x01, 0x00, 0xff, 0xd8, 0x01, 0x00,
0x7f, 0xd4, 0x01, 0x00, 0x3f, 0xee, 0x01, 0x00,
0x1f, 0xff, 0x01, 0x00, 0x8f, 0xff, 0x01, 0x00,
0xc7, 0xff, 0x01, 0x00, 0xe3, 0xff, 0x01, 0x00,
0xf3, 0xff, 0x01, 0x00, 0xfd, 0xff, 0x01, 0x00,
0xff, 0xff, 0x01, 0x00 };
static const guchar dropper_mask[] = {
0x00, 0x70, 0x00, 0x00, 0xf8, 0x00, 0x00, 0xfc, 0x01, 0x00, 0xff, 0x01,
0x80, 0xff, 0x01, 0x00, 0xff, 0x00, 0x00, 0x7f, 0x00, 0x80, 0x3f, 0x00,
0xc0, 0x3f, 0x00, 0xe0, 0x13, 0x00, 0xf0, 0x01, 0x00, 0xf8, 0x00, 0x00,
0x7c, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x0d, 0x00, 0x00,
0x02, 0x00, 0x00, };
0x00, 0x70, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x00,
0x00, 0xfc, 0x01, 0x00, 0x00, 0xff, 0x01, 0x00,
0x80, 0xff, 0x01, 0x00, 0x00, 0xff, 0x00, 0x00,
0x00, 0x7f, 0x00, 0x00, 0x80, 0x3f, 0x00, 0x00,
0xc0, 0x3f, 0x00, 0x00, 0xe0, 0x13, 0x00, 0x00,
0xf0, 0x01, 0x00, 0x00, 0xf8, 0x00, 0x00, 0x00,
0x7c, 0x00, 0x00, 0x00, 0x3e, 0x00, 0x00, 0x00,
0x1e, 0x00, 0x00, 0x00, 0x0d, 0x00, 0x00, 0x00,
0x02, 0x00, 0x00, 0x00 };
G_DEFINE_TYPE (GtkColorSelection, gtk_color_selection, GTK_TYPE_VBOX)
@ -1609,16 +1618,40 @@ make_picker_cursor (GdkScreen *screen)
GdkColor fg = { 0, 0x0000, 0x0000, 0x0000 };
GdkWindow *window;
GdkPixmap *pixmap, *mask;
cairo_surface_t *image;
cairo_t *cr;
window = gdk_screen_get_root_window (screen);
pixmap =
gdk_bitmap_create_from_data (window, (gchar *) dropper_bits,
DROPPER_WIDTH, DROPPER_HEIGHT);
mask =
gdk_bitmap_create_from_data (window, (gchar *) dropper_mask,
DROPPER_WIDTH, DROPPER_HEIGHT);
pixmap = gdk_pixmap_new (window, DROPPER_WIDTH, DROPPER_HEIGHT, 1);
cr = gdk_cairo_create (pixmap);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
image = cairo_image_surface_create_for_data ((guchar *) dropper_bits,
CAIRO_FORMAT_A1,
DROPPER_WIDTH,
DROPPER_HEIGHT,
DROPPER_STRIDE);
cairo_set_source_surface (cr, image, 0, 0);
cairo_surface_destroy (image);
cairo_paint (cr);
cairo_destroy (cr);
mask = gdk_pixmap_new (window, DROPPER_WIDTH, DROPPER_HEIGHT, 1);
cr = gdk_cairo_create (mask);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
image = cairo_image_surface_create_for_data ((guchar *) dropper_mask,
CAIRO_FORMAT_A1,
DROPPER_WIDTH,
DROPPER_HEIGHT,
DROPPER_STRIDE);
cairo_set_source_surface (cr, image, 0, 0);
cairo_surface_destroy (image);
cairo_paint (cr);
cairo_destroy (cr);
cursor = gdk_cursor_new_from_pixmap (pixmap, mask, &fg, &bg,
DROPPER_X_HOT, DROPPER_Y_HOT);