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24-bit rendering from wxImage into wxBitmap

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I think requiring GTK 1.0.4 is enough (not 1.0.6)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@935 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1998-10-29 22:57:46 +00:00
parent 58614078c4
commit fee0429537
5 changed files with 84 additions and 31 deletions
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52
src/gtk1/bitmap.cpp
View File

@@ -101,25 +101,32 @@ wxBitmap::wxBitmap(void)
wxBitmap::wxBitmap( int width, int height, int depth )
{
wxCHECK_RET( (width > 0) && (height > 0), "invalid bitmap size" )
wxCHECK_RET( (depth > 0) || (depth == -1), "invalid bitmap depth" )
m_refData = new wxBitmapRefData();
GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
M_BMPDATA->m_mask = (wxMask *) NULL;
M_BMPDATA->m_pixmap =
gdk_pixmap_new( (GdkWindow*) &gdk_root_parent, width, height, depth );
M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth );
M_BMPDATA->m_width = width;
M_BMPDATA->m_height = height;
M_BMPDATA->m_bpp = depth;
M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}
wxBitmap::wxBitmap( char **bits )
{
wxCHECK_RET( bits != NULL, "invalid bitmap data" )
m_refData = new wxBitmapRefData();
GdkBitmap *mask = NULL;
GdkBitmap *mask = (GdkBitmap*) NULL;
GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
M_BMPDATA->m_pixmap =
gdk_pixmap_create_from_xpm_d( (GdkWindow*) &gdk_root_parent, &mask, NULL, (gchar **) bits );
M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
if (mask)
{
@@ -129,7 +136,7 @@ wxBitmap::wxBitmap( char **bits )
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
M_BMPDATA->m_bpp = 24; // ?
M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; // ?
if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
}
@@ -374,6 +381,20 @@ wxBitmap::wxBitmap( const wxImage &image )
if (M_BMPDATA->m_bpp > 8) render_depth = M_BMPDATA->m_bpp;
// Render
enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
byte_order b_o;
if (render_depth >= 24)
{
GdkVisual *visual = gdk_visual_get_system();
if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB;
else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB;
else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG;
else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB;
else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR;
}
int r_mask = image.GetMaskRed();
int g_mask = image.GetMaskGreen();
@@ -434,13 +455,20 @@ wxBitmap::wxBitmap( const wxImage &image )
gdk_image_put_pixel( data_image, x, y, pixel );
break;
}
case 32:
case 24:
{
break;
}
case 32:
{
break;
guint32 pixel = 0;
switch (b_o)
{
case RGB: pixel = (r << 16) | (g << 8) | b; break;
case RBG: pixel = (r << 16) | (b << 8) | g; break;
case BRG: pixel = (b << 16) | (r << 8) | g; break;
case BGR: pixel = (b << 16) | (g << 8) | r; break;
case GRB: pixel = (g << 16) | (r << 8) | b; break;
case GBR: pixel = (g << 16) | (b << 8) | r; break;
}
gdk_image_put_pixel( data_image, x, y, pixel );
}
default: break;
}