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Added mono bitmap to image conversion.

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Added wxImage::Replace() (replaces one colour with another).
  Toolbar tips no longer eats ana new colour. This might prevent
    the wrong colour behaviour reported from some 8-bit visuals.
  Minor fixes and test code.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5122 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1999-12-27 13:01:07 +00:00
parent 41acf5c0bd
commit be25e48093
6 changed files with 226 additions and 174 deletions
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31
include/wx/image.h
View File

@@ -37,8 +37,6 @@ class WXDLLEXPORT wxImage;
class WXDLLEXPORT wxImageHandler: public wxObject
{
DECLARE_CLASS(wxImageHandler)
public:
wxImageHandler() { m_name = ""; m_extension = ""; m_type = 0; }
@@ -70,15 +68,15 @@ protected:
wxString m_extension;
wxString m_mime;
long m_type;
};
private:
DECLARE_CLASS(wxImageHandler)
};
//-----------------------------------------------------------------------------
// wxImage
//-----------------------------------------------------------------------------
// GRG: Dic/99
class WXDLLEXPORT wxHNode
{
public:
@@ -86,15 +84,9 @@ public:
unsigned long value;
};
class WXDLLEXPORT wxImage: public wxObject
{
DECLARE_DYNAMIC_CLASS(wxImage)
friend class WXDLLEXPORT wxImageHandler;
public:
wxImage();
wxImage( int width, int height );
wxImage( const wxString& name, long type = wxBITMAP_TYPE_ANY );
@@ -122,6 +114,10 @@ public:
// rescales the image in place
wxImage& Rescale( int width, int height ) { return *this = Scale(width, height); }
// replace one colour with another
void Replace( unsigned char r1, unsigned char g1, unsigned char b1,
unsigned char r2, unsigned char g2, unsigned char b2 );
// these routines are slow but safe
void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b );
unsigned char GetRed( int x, int y );
@@ -160,6 +156,9 @@ public:
void SetMask( bool mask = TRUE );
bool HasMask() const;
unsigned long CountColours( unsigned long stopafter = (unsigned long) -1 );
unsigned long ComputeHistogram( wxHashTable &h );
wxImage& operator = (const wxImage& image)
{
if ( (*this) != image )
@@ -184,15 +183,13 @@ public:
static void CleanUpHandlers();
static void InitStandardHandlers();
// GRG: Dic/99
unsigned long CountColours( unsigned long stopafter = (unsigned long) -1 );
unsigned long ComputeHistogram( wxHashTable &h );
protected:
static wxList sm_handlers;
private:
friend class WXDLLEXPORT wxImageHandler;
DECLARE_DYNAMIC_CLASS(wxImage)
};

34
samples/image/image.cpp
View File

@@ -212,7 +212,8 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
dc.SetPen( *wxWHITE_PEN );
dc.DrawRectangle( 150, 30, 100, 100 );
if (my_anti && my_anti->Ok()) dc.DrawBitmap( *my_anti, 280, 30 );
if (my_anti && my_anti->Ok())
dc.DrawBitmap( *my_anti, 280, 30 );
dc.DrawText( "PNG handler", 30, 135 );
if (my_horse_png && my_horse_png->Ok())
@@ -225,30 +226,43 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
}
dc.DrawText( "JPEG handler", 30, 365 );
if (my_horse_jpeg && my_horse_jpeg->Ok()) dc.DrawBitmap( *my_horse_jpeg, 30, 380 );
if (my_horse_jpeg && my_horse_jpeg->Ok())
dc.DrawBitmap( *my_horse_jpeg, 30, 380 );
dc.DrawText( "GIF handler", 30, 595 );
if (my_horse_gif && my_horse_gif->Ok()) dc.DrawBitmap( *my_horse_gif, 30, 610 );
if (my_horse_gif && my_horse_gif->Ok())
dc.DrawBitmap( *my_horse_gif, 30, 610 );
dc.DrawText( "PCX handler", 30, 825 );
if (my_horse_pcx && my_horse_pcx->Ok()) dc.DrawBitmap( *my_horse_pcx, 30, 840 );
if (my_horse_pcx && my_horse_pcx->Ok())
dc.DrawBitmap( *my_horse_pcx, 30, 840 );
dc.DrawText( "BMP handler", 30, 1055 );
if (my_horse_bmp && my_horse_bmp->Ok()) dc.DrawBitmap( *my_horse_bmp, 30, 1070 );
if (my_horse_bmp && my_horse_bmp->Ok())
dc.DrawBitmap( *my_horse_bmp, 30, 1070 );
dc.DrawText( "PNM handler", 30, 1285 );
if (my_horse_pnm && my_horse_pnm->Ok()) dc.DrawBitmap( *my_horse_pnm, 30, 1300 );
if (my_horse_pnm && my_horse_pnm->Ok())
dc.DrawBitmap( *my_horse_pnm, 30, 1300 );
dc.DrawText( "TIFF handler", 30, 1515 );
if (my_horse_tiff && my_horse_tiff->Ok()) dc.DrawBitmap( *my_horse_pnm, 30, 1530 );
if (my_horse_tiff && my_horse_tiff->Ok())
dc.DrawBitmap( *my_horse_pnm, 30, 1530 );
if (my_smile_xbm && my_smile_xbm->Ok())
{
dc.DrawText( "XBM bitmap", 30, 1745 );
dc.SetPen( *wxRED_PEN );
if (my_smile_xbm && my_smile_xbm->Ok()) {
dc.DrawBitmap( *my_smile_xbm, 30, 1760 );
dc.DrawText( "..after wxImage conversion", 150, 1745 );
dc.DrawText( "After wxImage conversion", 150, 1745 );
wxImage i( *my_smile_xbm );
dc.DrawBitmap( i.ConvertToBitmap(), 150, 1760 );
i.SetMaskColour( 0,0,0 );
i.Replace( 255,255,255,
wxRED_PEN->GetColour().Red(),
wxRED_PEN->GetColour().Green(),
wxRED_PEN->GetColour().Blue() );
dc.DrawBitmap( i.ConvertToBitmap(), 150, 1760, TRUE );
}
}

53
src/common/image.cpp
View File

@@ -224,6 +224,29 @@ wxImage wxImage::GetSubImage( const wxRect &rect ) const
return image;
}
void wxImage::Replace( unsigned char r1, unsigned char g1, unsigned char b1,
unsigned char r2, unsigned char g2, unsigned char b2 )
{
wxCHECK_RET( Ok(), wxT("invalid image") );
char unsigned *data = GetData();
const int w = GetWidth();
const int h = GetHeight();
for (int j = 0; j < h; j++)
for (int i = 0; i < w; i++)
{
if ((data[0] == r1) && (data[1] == g1) && (data[2] == b1))
{
data[0] = r2;
data[1] = g2;
data[2] = b2;
}
data += 3;
}
}
void wxImage::SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b )
{
wxCHECK_RET( Ok(), wxT("invalid image") );
@@ -1541,15 +1564,19 @@ wxImage::wxImage( const wxBitmap &bitmap )
SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
}
GdkVisual *visual = (GdkVisual*) NULL;
int bpp = -1;
if (bitmap.GetPixmap())
visual = gdk_window_get_visual( bitmap.GetPixmap() );
else
visual = gdk_window_get_visual( bitmap.GetBitmap() );
{
GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
int bpp = visual->depth;
bpp = visual->depth;
if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
}
if (bitmap.GetBitmap())
{
bpp = 1;
}
GdkColormap *cmap = gtk_widget_get_default_colormap();
@@ -1559,7 +1586,21 @@ wxImage::wxImage( const wxBitmap &bitmap )
for (int i = 0; i < bitmap.GetWidth(); i++)
{
wxInt32 pixel = gdk_image_get_pixel( gdk_image, i, j );
if (bpp <= 8)
if (bpp == 1)
{
if (pixel == 0)
{
data[pos] = 0;
data[pos+1] = 0;
data[pos+2] = 0;
}
else
{
data[pos] = 255;
data[pos+1] = 255;
data[pos+2] = 255;
}
} else if (bpp <= 8)
{
data[pos] = cmap->colors[pixel].red >> 8;
data[pos+1] = cmap->colors[pixel].green >> 8;

18
src/gtk/tbargtk.cpp
View File

@@ -272,24 +272,26 @@ bool wxToolBar::Create( wxWindow *parent,
gtk_toolbar_set_tooltips( GTK_TOOLBAR(m_toolbar), TRUE );
#if (GTK_MINOR_VERSION > 0)
if (style & wxTB_FLAT)
gtk_toolbar_set_button_relief( GTK_TOOLBAR(m_toolbar), GTK_RELIEF_NONE );
#endif
m_fg = new GdkColor;
m_fg->red = 0;
m_fg->green = 0;
m_fg->blue = 0;
gdk_color_alloc( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ), m_fg );
wxColour fg(0,0,0);
fg.CalcPixel( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ) );
m_fg->pixel = fg.GetPixel();
m_bg = new GdkColor;
m_bg->red = 65535;
m_bg->green = 65535;
m_bg->blue = 50000;
gdk_color_alloc( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ), m_bg );
m_bg->blue = 49980;
wxColour bg(255,255,196);
bg.CalcPixel( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ) );
m_bg->pixel = bg.GetPixel();
#if (GTK_MINOR_VERSION > 0)
gtk_tooltips_force_window( GTK_TOOLBAR(m_toolbar)->tooltips );
GtkStyle *g_style =
@@ -299,9 +301,7 @@ bool wxToolBar::Create( wxWindow *parent,
g_style->bg[GTK_STATE_NORMAL] = *m_bg;
gtk_widget_set_style( GTK_TOOLBAR(m_toolbar)->tooltips->tip_window, g_style );
#else
gtk_tooltips_set_colors( GTK_TOOLBAR(m_toolbar)->tooltips, m_bg, m_fg );
#endif
m_parent->DoAddChild( this );

18
src/gtk1/tbargtk.cpp
View File

@@ -272,24 +272,26 @@ bool wxToolBar::Create( wxWindow *parent,
gtk_toolbar_set_tooltips( GTK_TOOLBAR(m_toolbar), TRUE );
#if (GTK_MINOR_VERSION > 0)
if (style & wxTB_FLAT)
gtk_toolbar_set_button_relief( GTK_TOOLBAR(m_toolbar), GTK_RELIEF_NONE );
#endif
m_fg = new GdkColor;
m_fg->red = 0;
m_fg->green = 0;
m_fg->blue = 0;
gdk_color_alloc( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ), m_fg );
wxColour fg(0,0,0);
fg.CalcPixel( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ) );
m_fg->pixel = fg.GetPixel();
m_bg = new GdkColor;
m_bg->red = 65535;
m_bg->green = 65535;
m_bg->blue = 50000;
gdk_color_alloc( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ), m_bg );
m_bg->blue = 49980;
wxColour bg(255,255,196);
bg.CalcPixel( gtk_widget_get_colormap( GTK_WIDGET(m_toolbar) ) );
m_bg->pixel = bg.GetPixel();
#if (GTK_MINOR_VERSION > 0)
gtk_tooltips_force_window( GTK_TOOLBAR(m_toolbar)->tooltips );
GtkStyle *g_style =
@@ -299,9 +301,7 @@ bool wxToolBar::Create( wxWindow *parent,
g_style->bg[GTK_STATE_NORMAL] = *m_bg;
gtk_widget_set_style( GTK_TOOLBAR(m_toolbar)->tooltips->tip_window, g_style );
#else
gtk_tooltips_set_colors( GTK_TOOLBAR(m_toolbar)->tooltips, m_bg, m_fg );
#endif
m_parent->DoAddChild( this );

4
wxGTK.spec
View File

@@ -1,6 +1,6 @@
# Note that this is NOT a relocatable package
%define pref /usr
%define ver 2.1.11
%define ver 2.1.12
%define rel 0
Summary: The GTK+ 1.2 port of the wxWindows library
@@ -9,7 +9,7 @@ Version: %{ver}
Release: %{rel}
Copyright: wxWindows Licence
Group: X11/Libraries
Source: ftp://wesley.informatik.uni-freiburg.de/pub/linux/wxxt/source/wxGTK-2.1.11.tgz
Source: ftp://wesley.informatik.uni-freiburg.de/pub/linux/wxxt/source/wxGTK-2.1.12.tgz
URL: http://wesley.informatik.uni-freiburg.de/~wxxt/docs.html
Packager: Robert Roebling <roebling@ruf.uni-freiburg.de>
BuildRoot: /tmp/wxgtk_root