X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/011c17487e7f537568d109cf02ffd230bbf1296c..e0fbcda633e7307c0de5e12e1060303c744cb8ea:/src/x11/bitmap.cpp diff --git a/src/x11/bitmap.cpp b/src/x11/bitmap.cpp index 646ad0cb1a..214d4554f7 100644 --- a/src/x11/bitmap.cpp +++ b/src/x11/bitmap.cpp @@ -28,6 +28,9 @@ #if wxUSE_NANOX #undef wxHAVE_LIB_XPM #define wxHAVE_LIB_XPM 0 + +// Copy from the drawable to the wxImage +bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image); #endif #if wxUSE_XPM @@ -312,10 +315,10 @@ bool wxBitmap::Create( int width, int height, int depth ) M_BMPDATA->m_height = height; #if wxUSE_NANOX - M_BMPDATA->m_bitmap = (WXPixmap) GrNewPixmap(width, height, NULL); + M_BMPDATA->m_pixmap = (WXPixmap) GrNewPixmap(width, height, NULL); M_BMPDATA->m_bpp = bpp; - wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("Bitmap creation failed") ); + wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("Bitmap creation failed") ); #else if (depth == 1) { @@ -426,13 +429,49 @@ bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) if (!Create(w, h, depth)) return FALSE; - wxMemoryDC memDC; - memDC.SelectObject(*this); + // Unfortunately the mask has to be screen-depth since + // 1-bpp bitmaps don't seem to be supported + // TODO: implement transparent drawing, presumably + // by doing several blits as per the Windows + // implementation because Nano-X doesn't support + // XSetClipMask. + // TODO: could perhaps speed this function up + // by making a buffer of pixel values, + // and then calling GrArea to write that to the + // pixmap. See demos/nxroach.c. + + bool hasMask = image.HasMask(); + + GC pixmapGC = GrNewGC(); + Pixmap pixmap = (Pixmap) GetPixmap(); + + GC maskGC = 0; + Pixmap maskPixmap = 0; - // Warning: this is very inefficient. - wxPen pen; - pen.SetStyle(wxSOLID); - pen.SetWidth(1); + unsigned char maskR = 0; + unsigned char maskG = 0; + unsigned char maskB = 0; + + if (hasMask) + { + maskR = image.GetMaskRed(); + maskG = image.GetMaskGreen(); + maskB = image.GetMaskBlue(); + + maskGC = GrNewGC(); + maskPixmap = GrNewPixmap(w, h, 0); + if (!maskPixmap) + hasMask = FALSE; + else + { + wxMask* mask = new wxMask; + mask->SetBitmap((WXPixmap) maskPixmap); + SetMask(mask); + } + } + + GR_COLOR lastPixmapColour = 0; + GR_COLOR lastMaskColour = 0; int i, j; for (i = 0; i < w; i++) @@ -442,26 +481,43 @@ bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) unsigned char red = image.GetRed(i, j); unsigned char green = image.GetGreen(i, j); unsigned char blue = image.GetBlue(i, j); - wxColour colour(red, green, blue); - pen.SetColour(colour); - memDC.SetPen(pen); - memDC.DrawPoint(i, j); + GR_COLOR colour = GR_RGB(red, green, blue); + + // Efficiency measure + if (colour != lastPixmapColour || (i == 0 && j == 0)) + { + GrSetGCForeground(pixmapGC, colour); + lastPixmapColour = colour; + } + + GrPoint(pixmap, pixmapGC, i, j); -#if 0 if (hasMask) { // scan the bitmap for the transparent colour and set the corresponding // pixels in the mask to BLACK and the rest to WHITE if (maskR == red && maskG == green && maskB == blue) - ::SetPixel(hMaskDC, i, j, PALETTERGB(0, 0, 0)); + { + colour = GR_RGB(0, 0, 0); + } else - ::SetPixel(hMaskDC, i, j, PALETTERGB(255, 255, 255)); + { + colour = GR_RGB(255, 255, 255); + } + if (colour != lastMaskColour || (i == 0 && j == 0)) + { + GrSetGCForeground(maskGC, colour); + lastMaskColour = colour; + } + GrPoint(maskPixmap, maskGC, i, j); } -#endif } } - memDC.SelectObject(wxNullBitmap); + + GrDestroyGC(pixmapGC); + if (hasMask) + GrDestroyGC(maskGC); return TRUE; #else @@ -751,33 +807,8 @@ wxImage wxBitmap::ConvertToImage() const int bpp = DefaultDepth( xdisplay, xscreen ); #if wxUSE_NANOX - int w = image.GetWidth(); - int h = image.GetHeight(); - - wxMemoryDC memDC; - memDC.SelectObject(*this); - - wxColour pixelCol; - - // Warning: this is very inefficient. - int i, j; - for (i = 0; i < w; i++) - { - for (j = 0; j < h; j++) - { - memDC.GetPixel(i, j, & pixelCol); - - // TODO: make wxColour accessors more efficient - // by inlining, if possible - image.SetRGB(i, j, - pixelCol.Red(), pixelCol.Green(), - pixelCol.Blue()); - } - } - memDC.SelectObject(wxNullBitmap); - + wxGetImageFromDrawable((Pixmap) GetPixmap(), 0, 0, GetWidth(), GetHeight(), image); return image; - #else // !wxUSE_NANOX XImage *x_image = NULL; @@ -1246,3 +1277,140 @@ WXDisplay *wxBitmap::GetDisplay() const return M_BMPDATA->m_display; } +#if wxUSE_NANOX +// Copy from the drawable to the wxImage +bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image) +{ + GR_SCREEN_INFO sinfo; + int x, y; + GR_PIXELVAL *pixels; + GR_PALETTE* palette = NULL; + unsigned char rgb[3], *pp; + + GrGetScreenInfo(&sinfo); + + if (sinfo.pixtype == MWPF_PALETTE) { + if(!(palette = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)))) { + return FALSE; + } + GrGetSystemPalette(palette); + } + + if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height))) + { + return FALSE; + } + + image.Create(width, height); + + GrReadArea(drawable, srcX, srcY, width, height, + pixels); + + + for(x = 0; x < sinfo.cols; x++) { + + pp = (unsigned char *)pixels + + ((x + (y * sinfo.cols)) * + sizeof(GR_PIXELVAL)); + + switch(sinfo.pixtype) { + /* FIXME: These may need modifying on big endian. */ + case MWPF_TRUECOLOR0888: + case MWPF_TRUECOLOR888: + rgb[0] = pp[2]; + rgb[1] = pp[1]; + rgb[2] = pp[0]; + break; + case MWPF_PALETTE: + rgb[0] = palette->palette[pp[0]].r; + rgb[1] = palette->palette[pp[0]].g; + rgb[2] = palette->palette[pp[0]].b; + break; + case MWPF_TRUECOLOR565: + rgb[0] = pp[1] & 0xf8; + rgb[1] = ((pp[1] & 0x07) << 5) | + ((pp[0] & 0xe0) >> 3); + rgb[2] = (pp[0] & 0x1f) << 3; + break; + case MWPF_TRUECOLOR555: + rgb[0] = (pp[1] & 0x7c) << 1; + rgb[1] = ((pp[1] & 0x03) << 6) | + ((pp[0] & 0xe0) >> 2); + rgb[2] = (pp[0] & 0x1f) << 3; + break; + case MWPF_TRUECOLOR332: + rgb[0] = pp[0] & 0xe0; + rgb[1] = (pp[0] & 0x1c) << 3; + rgb[2] = (pp[0] & 0x03) << 6; + break; + default: + fprintf(stderr, "Unsupported pixel " + "format\n"); + return 1; + } + + image.SetRGB(x, y, rgb[0], rgb[1], rgb[2]); + + } + + free(pixels); + if(palette) free(palette); + + return TRUE; +} + +#if 0 +int GrGetPixelColor(GR_SCREEN_INFO* sinfo, GR_PALETTE* palette, GR_PIXELVAL pixel, + unsigned char* red, unsigned char* green, unsigned char* blue) +{ + unsigned char rgb[3], *pp; + + pp = (unsigned char*) & pixel ; + + switch (sinfo.pixtype) + { + /* FIXME: These may need modifying on big endian. */ + case MWPF_TRUECOLOR0888: + case MWPF_TRUECOLOR888: + rgb[0] = pp[2]; + rgb[1] = pp[1]; + rgb[2] = pp[0]; + break; + case MWPF_PALETTE: + rgb[0] = palette->palette[pp[0]].r; + rgb[1] = palette->palette[pp[0]].g; + rgb[2] = palette->palette[pp[0]].b; + break; + case MWPF_TRUECOLOR565: + rgb[0] = pp[1] & 0xf8; + rgb[1] = ((pp[1] & 0x07) << 5) | + ((pp[0] & 0xe0) >> 3); + rgb[2] = (pp[0] & 0x1f) << 3; + break; + case MWPF_TRUECOLOR555: + rgb[0] = (pp[1] & 0x7c) << 1; + rgb[1] = ((pp[1] & 0x03) << 6) | + ((pp[0] & 0xe0) >> 2); + rgb[2] = (pp[0] & 0x1f) << 3; + break; + case MWPF_TRUECOLOR332: + rgb[0] = pp[0] & 0xe0; + rgb[1] = (pp[0] & 0x1c) << 3; + rgb[2] = (pp[0] & 0x03) << 6; + break; + default: + fprintf(stderr, "Unsupported pixel format\n"); + return 0; + } + + + *(red) = rgb[0]; + *(green) = rgb[1]; + *(blue) = rgb[2]; + return 1; +} +#endif + +#endif + // wxUSE_NANOX +