From 179fa413b047bede6e32109e2ce82437c5fb8d34 Mon Sep 17 00:00:00 2001 From: MenTaLguY Date: Mon, 16 Jan 2006 02:36:01 +0000 Subject: moving trunk for module inkscape (bzr r1) --- src/sp-cursor.cpp | 115 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 src/sp-cursor.cpp (limited to 'src/sp-cursor.cpp') diff --git a/src/sp-cursor.cpp b/src/sp-cursor.cpp new file mode 100644 index 000000000..f59c63487 --- /dev/null +++ b/src/sp-cursor.cpp @@ -0,0 +1,115 @@ +#define __SP_CURSOR_C__ + +/* + * Some convenience stuff + * + * Authors: + * Lauris Kaplinski + * + * Copyright (C) 1999-2002 authors + * Copyright (C) 2001-2002 Ximian, Inc. + * + * Released under GNU GPL, read the file 'COPYING' for more information + */ + +#include +#include +#include "sp-cursor.h" + +void sp_cursor_bitmap_and_mask_from_xpm (GdkBitmap **bitmap, GdkBitmap **mask, gchar **xpm) +{ + int height; + int width; + int colors; + int pix; + sscanf(xpm[0], "%d %d %d %d", &height, &width, &colors, &pix); + + g_return_if_fail (height == 32); + g_return_if_fail (width == 32); + g_return_if_fail (colors >= 3); + + int transparent_color = ' '; + int black_color = '.'; + + char pixmap_buffer[(32 * 32)/8]; + char mask_buffer[(32 * 32)/8]; + + for (int i = 0; i < colors; i++) { + + char const *p = xpm[1 + i]; + char const ccode = *p; + + p++; + while (isspace(*p)) { + p++; + } + p++; + while (isspace(*p)) { + p++; + } + + if (strcmp(p, "None") == 0) { + transparent_color = ccode; + } + + if (strcmp(p, "#000000") == 0) { + black_color = ccode; + } + } + + for (int y = 0; y < 32; y++) { + for (int x = 0; x < 32; ) { + + char value = 0; + char maskv = 0; + + for (int pix = 0; pix < 8; pix++, x++){ + if (xpm [4+y][x] != transparent_color) { + maskv |= 1 << pix; + + if (xpm [4+y][x] == black_color) { + value |= 1 << pix; + } + } + } + + pixmap_buffer[(y * 4 + x/8)-1] = value; + mask_buffer[(y * 4 + x/8)-1] = maskv; + } + } + + *bitmap = gdk_bitmap_create_from_data(NULL, pixmap_buffer, 32, 32); + *mask = gdk_bitmap_create_from_data(NULL, mask_buffer, 32, 32); +} + +GdkCursor *sp_cursor_new_from_xpm (gchar **xpm, gint hot_x, gint hot_y) +{ + GdkColor const fg = { 0, 0, 0, 0 }; + GdkColor const bg = { 0, 65535, 65535, 65535 }; + + GdkBitmap *bitmap = NULL; + GdkBitmap *mask = NULL; + + sp_cursor_bitmap_and_mask_from_xpm (&bitmap, &mask, xpm); + if ( bitmap != NULL && mask != NULL ) { + GdkCursor *new_cursor = gdk_cursor_new_from_pixmap (bitmap, mask, + &fg, &bg, + hot_x, hot_y); + g_object_unref (bitmap); + g_object_unref (mask); + return new_cursor; + } + + return NULL; +} + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 : -- cgit v1.2.3