X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1d156af3247c862e51a7c62f569a3fd302052a42..7d6a4d96961eac84d05db8bb24c64d39003f6e54:/src/gtk/cursor.cpp?ds=sidebyside diff --git a/src/gtk/cursor.cpp b/src/gtk/cursor.cpp index 615677e506..152796d630 100644 --- a/src/gtk/cursor.cpp +++ b/src/gtk/cursor.cpp @@ -99,29 +99,68 @@ wxCursor::wxCursor(const char bits[], int width, int height, int hotSpotX, int hotSpotY, const char maskBits[], const wxColour *fg, const wxColour *bg) { + m_refData = new wxCursorRefData; + if (hotSpotX < 0 || hotSpotX >= width) + hotSpotX = 0; + if (hotSpotY < 0 || hotSpotY >= height) + hotSpotY = 0; +#ifdef __WXGTK3__ + wxBitmap bitmap(bits, width, height); + if (maskBits) + bitmap.SetMask(new wxMask(wxBitmap(maskBits, width, height))); + GdkPixbuf* pixbuf = bitmap.GetPixbuf(); + if (fg || bg) + { + const int stride = gdk_pixbuf_get_rowstride(pixbuf); + const int n_channels = gdk_pixbuf_get_n_channels(pixbuf); + guchar* data = gdk_pixbuf_get_pixels(pixbuf); + for (int j = 0; j < height; j++, data += stride) + { + guchar* p = data; + for (int i = 0; i < width; i++, p += n_channels) + { + if (p[0]) + { + if (fg) + { + p[0] = fg->Red(); + p[1] = fg->Green(); + p[2] = fg->Blue(); + } + } + else + { + if (bg) + { + p[0] = bg->Red(); + p[1] = bg->Green(); + p[2] = bg->Blue(); + } + } + } + } + } + M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(wxGetRootWindow()), pixbuf, hotSpotX, hotSpotY); +#else if (!maskBits) maskBits = bits; if (!fg) fg = wxBLACK; if (!bg) bg = wxWHITE; - if (hotSpotX < 0 || hotSpotX >= width) - hotSpotX = 0; - if (hotSpotY < 0 || hotSpotY >= height) - hotSpotY = 0; GdkBitmap* data = gdk_bitmap_create_from_data( gtk_widget_get_window(wxGetRootWindow()), const_cast(bits), width, height); GdkBitmap* mask = gdk_bitmap_create_from_data( gtk_widget_get_window(wxGetRootWindow()), const_cast(maskBits), width, height); - m_refData = new wxCursorRefData; M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap( data, mask, fg->GetColor(), bg->GetColor(), hotSpotX, hotSpotY ); g_object_unref (data); g_object_unref (mask); +#endif } wxCursor::~wxCursor() @@ -135,6 +174,9 @@ void wxCursor::InitFromStock( wxStockCursor cursorId ) GdkCursorType gdk_cur = GDK_LEFT_PTR; switch (cursorId) { +#ifdef __WXGTK3__ + case wxCURSOR_BLANK: gdk_cur = GDK_BLANK_CURSOR; break; +#else case wxCURSOR_BLANK: { const char bits[] = { 0 }; @@ -149,7 +191,7 @@ void wxCursor::InitFromStock( wxStockCursor cursorId ) g_object_unref(pixmap); } return; - +#endif case wxCURSOR_ARROW: // fall through to default case wxCURSOR_DEFAULT: gdk_cur = GDK_LEFT_PTR; break; case wxCURSOR_RIGHT_ARROW: gdk_cur = GDK_RIGHT_PTR; break; @@ -196,152 +238,42 @@ void wxCursor::InitFromStock( wxStockCursor cursorId ) #if wxUSE_IMAGE -static void GetHotSpot(const wxImage& image, int& x, int& y) -{ - if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X)) - x = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X); - else - x = 0; - - if (image.HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y)) - y = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y); - else - y = 0; - - if (x < 0 || x >= image.GetWidth()) - x = 0; - if (y < 0 || y >= image.GetHeight()) - y = 0; -} - void wxCursor::InitFromImage( const wxImage & image ) { - int w = image.GetWidth() ; - int h = image.GetHeight(); - bool bHasMask = image.HasMask(); - int hotSpotX, hotSpotY; - GetHotSpot(image, hotSpotX, hotSpotY); - m_refData = new wxCursorRefData; - wxImage image_copy(image); - - GdkDisplay* display = gdk_drawable_get_display(gtk_widget_get_window(wxGetRootWindow())); - if (gdk_display_supports_cursor_color(display)) + const int w = image.GetWidth(); + const int h = image.GetHeight(); + const guchar* alpha = image.GetAlpha(); + const bool hasMask = image.HasMask(); + int hotSpotX = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X); + int hotSpotY = image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y); + if (hotSpotX < 0 || hotSpotX > w) hotSpotX = 0; + if (hotSpotY < 0 || hotSpotY > h) hotSpotY = 0; + GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(image.GetData(), GDK_COLORSPACE_RGB, false, 8, w, h, w * 3, NULL, NULL); + if (alpha || hasMask) { - if (!image.HasAlpha()) - { - // add alpha, so wxBitmap will convert to pixbuf format - image_copy.InitAlpha(); - } - wxBitmap bitmap(image_copy); - wxASSERT(bitmap.HasPixbuf()); - M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf - ( - display, - bitmap.GetPixbuf(), - hotSpotX, hotSpotY - ); - } - else // no colour cursor support - { - unsigned long keyMaskColor = 0; - GdkPixmap *maskRaw; - if (bHasMask) - { - keyMaskColor = wxImageHistogram::MakeKey( - image.GetMaskRed(), image.GetMaskGreen(), image.GetMaskBlue()); - // get mask before image is modified - wxBitmap bitmap(image, 1); - maskRaw = bitmap.GetMask()->GetBitmap(); - g_object_ref(maskRaw); - } - else + guchar r = 0, g = 0, b = 0; + if (hasMask) { - const int size = ((w + 7) / 8) * h; - char* bits = new char[size]; - memset(bits, 0xff, size); - maskRaw = gdk_bitmap_create_from_data( - gtk_widget_get_window(wxGetRootWindow()), bits, w, h); - delete[] bits; + r = image.GetMaskRed(); + g = image.GetMaskGreen(); + b = image.GetMaskBlue(); } - - // assign the raw pointer to wxGtkObject to ensure it is unref'd later - wxGtkObject mask(maskRaw); - - // modify image so wxBitmap can be used to convert to pixmap - image_copy.SetMask(false); - wxByte* data = image_copy.GetData(); - for (int j = 0; j < h; j++) + GdkPixbuf* pixbuf0 = pixbuf; + pixbuf = gdk_pixbuf_add_alpha(pixbuf, hasMask, r, g, b); + g_object_unref(pixbuf0); + if (alpha) { - for (int i = 0; i < w; i++, data += 3) - { - // if average value of the pixel is > mid grey, convert it to - // background (0), otherwise to foreground (255, using wxBitmap - // convention) - data[0] = - data[1] = - data[2] = int(data[0]) + data[1] + data[2] >= 3 * 128 ? 0 : 255; - } + guchar* d = gdk_pixbuf_get_pixels(pixbuf); + const int stride = gdk_pixbuf_get_rowstride(pixbuf); + for (int j = 0; j < h; j++, d += stride) + for (int i = 0; i < w; i++, alpha++) + if (d[4 * i + 3]) + d[4 * i + 3] = *alpha; } - wxBitmap bitmap(image_copy, 1); - - // find the most frequent color(s) - wxImageHistogram histogram; - image.ComputeHistogram(histogram); - - long colMostFreq = 0; - unsigned long nMost = 0; - long colNextMostFreq = 0; - unsigned long nNext = 0; - for ( wxImageHistogram::iterator entry = histogram.begin(); - entry != histogram.end(); - ++entry ) - { - unsigned long key = entry->first; - if ( !bHasMask || (key != keyMaskColor) ) - { - unsigned long value = entry->second.value; - if (value > nMost) - { - nNext = nMost; - colNextMostFreq = colMostFreq; - nMost = value; - colMostFreq = key; - } - else if (value > nNext) - { - nNext = value; - colNextMostFreq = key; - } - } - } - - wxColour fg = wxColour ( (unsigned char)(colMostFreq >> 16), - (unsigned char)(colMostFreq >> 8), - (unsigned char)(colMostFreq) ); - - wxColour bg = wxColour ( (unsigned char)(colNextMostFreq >> 16), - (unsigned char)(colNextMostFreq >> 8), - (unsigned char)(colNextMostFreq) ); - - int fg_intensity = fg.Red() + fg.Green() + fg.Blue(); - int bg_intensity = bg.Red() + bg.Green() + bg.Blue(); - - if (bg_intensity > fg_intensity) - { - //swap fg and bg - wxColour tmp = fg; - fg = bg; - bg = tmp; - } - - M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixmap - ( - bitmap.GetPixmap(), - mask, - fg.GetColor(), bg.GetColor(), - hotSpotX, hotSpotY - ); } + m_refData = new wxCursorRefData; + M_CURSORDATA->m_cursor = gdk_cursor_new_from_pixbuf(gtk_widget_get_display(wxGetRootWindow()), pixbuf, hotSpotX, hotSpotY); + g_object_unref(pixbuf); } #endif // wxUSE_IMAGE