diff options
Diffstat (limited to 'src/sp-cursor.cpp')
| -rw-r--r-- | src/sp-cursor.cpp | 160 |
1 files changed, 125 insertions, 35 deletions
diff --git a/src/sp-cursor.cpp b/src/sp-cursor.cpp index 4bbba5f10..cc52f3c97 100644 --- a/src/sp-cursor.cpp +++ b/src/sp-cursor.cpp @@ -1,13 +1,15 @@ -#define __SP_CURSOR_C__ - /* * Some convenience stuff * * Authors: * Lauris Kaplinski <lauris@kaplinski.com> + * Jasper van de Gronde <th.v.d.gronde@hccnet.nl> + * Jon A. Cruz <jon@joncruz.org> * * Copyright (C) 1999-2002 authors * Copyright (C) 2001-2002 Ximian, Inc. + * Copyright (C) 2010 Jasper van de Gronde + * Copyright (C) 2010 Jon A. Cruz * * Released under GNU GPL, read the file 'COPYING' for more information */ @@ -16,26 +18,27 @@ #include <cstring> #include <string> #include <ctype.h> +#include <map> +#include "color.h" #include "sp-cursor.h" -void -sp_cursor_bitmap_and_mask_from_xpm(GdkBitmap **bitmap, GdkBitmap **mask, gchar const *const *xpm) +void sp_cursor_bitmap_and_mask_from_xpm(GdkBitmap **bitmap, GdkBitmap **mask, gchar const *const *xpm) { - int height; - int width; - int colors; - int pix; + int height = 0; + int width = 0; + int colors = 0; + int pix = 0; 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); + g_return_if_fail(height == 32); + g_return_if_fail(width == 32); + g_return_if_fail(colors >= 3); int transparent_color = ' '; - int black_color = '.'; + std::string black_colors; - char pixmap_buffer[(32 * 32)/8]; - char mask_buffer[(32 * 32)/8]; + char pixmap_buffer[(32 * 32) / 8] = {0}; + char mask_buffer[(32 * 32) / 8] = {0}; for (int i = 0; i < colors; i++) { @@ -51,33 +54,36 @@ sp_cursor_bitmap_and_mask_from_xpm(GdkBitmap **bitmap, GdkBitmap **mask, gchar c p++; } - if (strcmp(p, "None") == 0) { + if (strcmp(p, "None") == 0) { transparent_color = ccode; } + if (strcmp(p, "Stroke") == 0) { + black_colors.push_back(ccode); + } + if (strcmp(p, "#000000") == 0) { - black_color = ccode; + black_colors.push_back(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) { + if (xpm[1 + colors + y][x] != transparent_color) { maskv |= 1 << pix; - if (xpm[4+y][x] == black_color) { + if (black_colors.find(xpm[1 + colors + y][x]) != std::string::npos) { value |= 1 << pix; } } } - pixmap_buffer[(y * 4 + x/8)-1] = value; - mask_buffer[(y * 4 + x/8)-1] = maskv; + pixmap_buffer[(y * 4 + x / 8) - 1] = value; + mask_buffer[(y * 4 + x / 8) - 1] = maskv; } } @@ -85,26 +91,110 @@ sp_cursor_bitmap_and_mask_from_xpm(GdkBitmap **bitmap, GdkBitmap **mask, gchar c *mask = gdk_bitmap_create_from_data(NULL, mask_buffer, 32, 32); } -GdkCursor * -sp_cursor_new_from_xpm(gchar const *const *xpm, gint hot_x, gint hot_y) +static void free_cursor_data(guchar *pixels, gpointer data) { + delete [] reinterpret_cast<guint32*>(pixels); +} + +struct RGBA { + guchar v[4]; + + RGBA() { + v[0] = 0; + v[1] = 0; + v[2] = 0; + v[3] = 0; + } + + RGBA(guchar r, guchar g, guchar b, guchar a) { + v[0] = r; + v[1] = g; + v[2] = b; + v[3] = a; + } + + operator guint32() const { + guint32 result = (static_cast<guint32>(v[0]) << 0) + | (static_cast<guint32>(v[1]) << 8) + | (static_cast<guint32>(v[2]) << 16) + | (static_cast<guint32>(v[3]) << 24); + return result; + } +}; + +GdkPixbuf *sp_cursor_pixbuf_from_xpm(gchar const *const *xpm, GdkColor const& black, GdkColor const& white, guint32 fill, guint32 stroke) +{ + int height = 0; + int width = 0; + int colors = 0; + int pix = 0; + 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); + + std::map<char, RGBA> colorMap; + + 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) { + colorMap[ccode] = RGBA(); + } else if (strcmp(p, "Fill") == 0) { + colorMap[ccode] = RGBA(SP_RGBA32_R_U(fill), SP_RGBA32_G_U(fill), SP_RGBA32_B_U(fill), SP_RGBA32_A_U(fill)); + } else if (strcmp(p, "Stroke") == 0) { + colorMap[ccode] = RGBA(SP_RGBA32_R_U(stroke), SP_RGBA32_G_U(stroke), SP_RGBA32_B_U(stroke), SP_RGBA32_A_U(stroke)); + } else if (strcmp(p, "#000000") == 0) { + colorMap[ccode] = RGBA(black.red, black.green, black.blue, 255); + } else if (strcmp(p, "#FFFFFF") == 0) { + colorMap[ccode] = RGBA(white.red, white.green, white.blue, 255); + } else { + colorMap[ccode] = RGBA(); + } + } + + guint32 *pixmap_buffer = new guint32[width * height]; + + for (int y = 0; y < height; y++) { + for (int x = 0; x < width; x++) { + std::map<char, RGBA>::const_iterator it = colorMap.find(xpm[1 + colors + y][x]); + pixmap_buffer[y * width + x] = (it == colorMap.end()) ? 0u : it->second; + } + } + + return gdk_pixbuf_new_from_data(reinterpret_cast<guchar*>(pixmap_buffer), GDK_COLORSPACE_RGB, TRUE, 8, width, height, width * sizeof(guint32), free_cursor_data, NULL); +} + +GdkCursor *sp_cursor_new_from_xpm(gchar const *const *xpm, gint hot_x, gint hot_y) { + GdkCursor *cursor = 0; 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; + GdkBitmap *bitmap = 0; + GdkBitmap *mask = 0; + + sp_cursor_bitmap_and_mask_from_xpm(&bitmap, &mask, xpm); + if ( bitmap && mask ) { + cursor = gdk_cursor_new_from_pixmap(bitmap, mask, + &fg, &bg, + hot_x, hot_y); + g_object_unref(bitmap); + g_object_unref(mask); } - return NULL; + return cursor; } /* |