3ebcd89da9
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22195 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1099 lines
31 KiB
C++
1099 lines
31 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: bitmap.cpp
|
|
// Purpose:
|
|
// Author: Robert Roebling
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) 1998 Robert Roebling
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifdef __GNUG__
|
|
#pragma implementation "bitmap.h"
|
|
#endif
|
|
|
|
#include "wx/defs.h"
|
|
|
|
#include "wx/palette.h"
|
|
#include "wx/bitmap.h"
|
|
#include "wx/icon.h"
|
|
#include "wx/filefn.h"
|
|
#include "wx/image.h"
|
|
#include "wx/dcmemory.h"
|
|
#include "wx/app.h"
|
|
|
|
#ifdef __WXGTK20__
|
|
// need this to get gdk_image_new_bitmap()
|
|
#define GDK_ENABLE_BROKEN
|
|
#endif
|
|
|
|
#include <gdk/gdk.h>
|
|
#include <gtk/gtk.h>
|
|
#include <gdk/gdkx.h>
|
|
|
|
#ifdef __WXGTK20__
|
|
#include <gdk/gdkimage.h>
|
|
#else // GTK+ 1.2
|
|
#include <gdk/gdkrgb.h>
|
|
#endif // GTK+ 2.0/1.2
|
|
|
|
extern void gdk_wx_draw_bitmap (GdkDrawable *drawable,
|
|
GdkGC *gc,
|
|
GdkDrawable *src,
|
|
gint xsrc,
|
|
gint ysrc,
|
|
gint xdest,
|
|
gint ydest,
|
|
gint width,
|
|
gint height);
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// data
|
|
//-----------------------------------------------------------------------------
|
|
|
|
extern GtkWidget *wxGetRootWindow();
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxMask
|
|
//-----------------------------------------------------------------------------
|
|
|
|
IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
|
|
|
|
wxMask::wxMask()
|
|
{
|
|
m_bitmap = (GdkBitmap *) NULL;
|
|
}
|
|
|
|
wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
|
|
{
|
|
m_bitmap = (GdkBitmap *) NULL;
|
|
Create( bitmap, colour );
|
|
}
|
|
|
|
wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
|
|
{
|
|
m_bitmap = (GdkBitmap *) NULL;
|
|
Create( bitmap, paletteIndex );
|
|
}
|
|
|
|
wxMask::wxMask( const wxBitmap& bitmap )
|
|
{
|
|
m_bitmap = (GdkBitmap *) NULL;
|
|
Create( bitmap );
|
|
}
|
|
|
|
wxMask::~wxMask()
|
|
{
|
|
if (m_bitmap)
|
|
gdk_bitmap_unref( m_bitmap );
|
|
}
|
|
|
|
bool wxMask::Create( const wxBitmap& bitmap,
|
|
const wxColour& colour )
|
|
{
|
|
if (m_bitmap)
|
|
{
|
|
gdk_bitmap_unref( m_bitmap );
|
|
m_bitmap = (GdkBitmap*) NULL;
|
|
}
|
|
|
|
wxImage image = bitmap.ConvertToImage();
|
|
if (!image.Ok()) return FALSE;
|
|
|
|
m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 );
|
|
GdkGC *gc = gdk_gc_new( m_bitmap );
|
|
|
|
GdkColor color;
|
|
color.red = 65000;
|
|
color.green = 65000;
|
|
color.blue = 65000;
|
|
color.pixel = 1;
|
|
gdk_gc_set_foreground( gc, &color );
|
|
gdk_gc_set_fill( gc, GDK_SOLID );
|
|
gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );
|
|
|
|
unsigned char *data = image.GetData();
|
|
int index = 0;
|
|
|
|
unsigned char red = colour.Red();
|
|
unsigned char green = colour.Green();
|
|
unsigned char blue = colour.Blue();
|
|
|
|
GdkVisual *visual = wxTheApp->GetGdkVisual();
|
|
|
|
int bpp = visual->depth;
|
|
if ((bpp == 16) && (visual->red_mask != 0xf800))
|
|
bpp = 15;
|
|
if (bpp == 15)
|
|
{
|
|
red = red & 0xf8;
|
|
green = green & 0xf8;
|
|
blue = blue & 0xf8;
|
|
}
|
|
else if (bpp == 16)
|
|
{
|
|
red = red & 0xf8;
|
|
green = green & 0xfc;
|
|
blue = blue & 0xf8;
|
|
}
|
|
else if (bpp == 12)
|
|
{
|
|
red = red & 0xf0;
|
|
green = green & 0xf0;
|
|
blue = blue & 0xf0;
|
|
}
|
|
|
|
color.red = 0;
|
|
color.green = 0;
|
|
color.blue = 0;
|
|
color.pixel = 0;
|
|
gdk_gc_set_foreground( gc, &color );
|
|
|
|
for (int j = 0; j < image.GetHeight(); j++)
|
|
{
|
|
int start_x = -1;
|
|
int i;
|
|
for (i = 0; i < image.GetWidth(); i++)
|
|
{
|
|
if ((data[index] == red) &&
|
|
(data[index+1] == green) &&
|
|
(data[index+2] == blue))
|
|
{
|
|
if (start_x == -1)
|
|
start_x = i;
|
|
}
|
|
else
|
|
{
|
|
if (start_x != -1)
|
|
{
|
|
gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
|
|
start_x = -1;
|
|
}
|
|
}
|
|
index += 3;
|
|
}
|
|
if (start_x != -1)
|
|
gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
|
|
}
|
|
|
|
gdk_gc_unref( gc );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
|
|
{
|
|
unsigned char r,g,b;
|
|
wxPalette *pal = bitmap.GetPalette();
|
|
|
|
wxCHECK_MSG( pal, FALSE, wxT("Cannot create mask from bitmap without palette") );
|
|
|
|
pal->GetRGB(paletteIndex, &r, &g, &b);
|
|
|
|
return Create(bitmap, wxColour(r, g, b));
|
|
}
|
|
|
|
bool wxMask::Create( const wxBitmap& bitmap )
|
|
{
|
|
if (m_bitmap)
|
|
{
|
|
gdk_bitmap_unref( m_bitmap );
|
|
m_bitmap = (GdkBitmap*) NULL;
|
|
}
|
|
|
|
if (!bitmap.Ok()) return FALSE;
|
|
|
|
wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
|
|
|
|
m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
|
|
|
|
if (!m_bitmap) return FALSE;
|
|
|
|
GdkGC *gc = gdk_gc_new( m_bitmap );
|
|
|
|
gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
|
|
|
|
gdk_gc_unref( gc );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
GdkBitmap *wxMask::GetBitmap() const
|
|
{
|
|
return m_bitmap;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxBitmap
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class wxBitmapRefData: public wxObjectRefData
|
|
{
|
|
public:
|
|
wxBitmapRefData();
|
|
~wxBitmapRefData();
|
|
|
|
GdkPixmap *m_pixmap;
|
|
GdkBitmap *m_bitmap;
|
|
wxMask *m_mask;
|
|
int m_width;
|
|
int m_height;
|
|
int m_bpp;
|
|
wxPalette *m_palette;
|
|
};
|
|
|
|
wxBitmapRefData::wxBitmapRefData()
|
|
{
|
|
m_pixmap = (GdkPixmap *) NULL;
|
|
m_bitmap = (GdkBitmap *) NULL;
|
|
m_mask = (wxMask *) NULL;
|
|
m_width = 0;
|
|
m_height = 0;
|
|
m_bpp = 0;
|
|
m_palette = (wxPalette *) NULL;
|
|
}
|
|
|
|
wxBitmapRefData::~wxBitmapRefData()
|
|
{
|
|
if (m_pixmap)
|
|
gdk_pixmap_unref( m_pixmap );
|
|
if (m_bitmap)
|
|
gdk_bitmap_unref( m_bitmap );
|
|
delete m_mask;
|
|
delete m_palette;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#define M_BMPDATA ((wxBitmapRefData *)m_refData)
|
|
|
|
IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
|
|
|
|
wxBitmap::wxBitmap()
|
|
{
|
|
}
|
|
|
|
wxBitmap::wxBitmap( int width, int height, int depth )
|
|
{
|
|
Create( width, height, depth );
|
|
}
|
|
|
|
bool wxBitmap::Create( int width, int height, int depth )
|
|
{
|
|
UnRef();
|
|
|
|
if ( width <= 0 || height <= 0 )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
GdkVisual *visual = wxTheApp->GetGdkVisual();
|
|
|
|
if (depth == -1)
|
|
depth = visual->depth;
|
|
|
|
wxCHECK_MSG( (depth == visual->depth) || (depth == 1), FALSE,
|
|
wxT("invalid bitmap depth") )
|
|
|
|
m_refData = new wxBitmapRefData();
|
|
M_BMPDATA->m_mask = (wxMask *) NULL;
|
|
M_BMPDATA->m_width = width;
|
|
M_BMPDATA->m_height = height;
|
|
if (depth == 1)
|
|
{
|
|
M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
|
|
M_BMPDATA->m_bpp = 1;
|
|
}
|
|
else
|
|
{
|
|
M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth );
|
|
M_BMPDATA->m_bpp = visual->depth;
|
|
}
|
|
|
|
return Ok();
|
|
}
|
|
|
|
bool wxBitmap::CreateFromXpm( const char **bits )
|
|
{
|
|
UnRef();
|
|
|
|
wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
|
|
|
|
GdkVisual *visual = wxTheApp->GetGdkVisual();
|
|
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
GdkBitmap *mask = (GdkBitmap*) NULL;
|
|
|
|
M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits );
|
|
|
|
wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );
|
|
|
|
if (mask)
|
|
{
|
|
M_BMPDATA->m_mask = new wxMask();
|
|
M_BMPDATA->m_mask->m_bitmap = mask;
|
|
}
|
|
|
|
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
|
|
|
|
M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ?
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
|
|
{
|
|
UnRef();
|
|
|
|
wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
|
|
wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") )
|
|
|
|
int width = image.GetWidth();
|
|
int height = image.GetHeight();
|
|
|
|
if ( width <= 0 || height <= 0 )
|
|
{
|
|
return false;
|
|
}
|
|
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
SetHeight( height );
|
|
SetWidth( width );
|
|
|
|
// ------
|
|
// conversion to mono bitmap:
|
|
// ------
|
|
if (depth == 1)
|
|
{
|
|
SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );
|
|
|
|
SetDepth( 1 );
|
|
|
|
GdkVisual *visual = wxTheApp->GetGdkVisual();
|
|
|
|
// Create picture image
|
|
|
|
unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
|
|
|
|
GdkImage *data_image =
|
|
gdk_image_new_bitmap( visual, data_data, width, height );
|
|
|
|
// Create mask image
|
|
|
|
GdkImage *mask_image = (GdkImage*) NULL;
|
|
|
|
if (image.HasMask())
|
|
{
|
|
unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
|
|
|
|
mask_image = gdk_image_new_bitmap( visual, mask_data, width, height );
|
|
|
|
wxMask *mask = new wxMask();
|
|
mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
|
|
|
|
SetMask( mask );
|
|
}
|
|
|
|
int r_mask = image.GetMaskRed();
|
|
int g_mask = image.GetMaskGreen();
|
|
int b_mask = image.GetMaskBlue();
|
|
|
|
unsigned char* data = image.GetData();
|
|
|
|
int index = 0;
|
|
for (int y = 0; y < height; y++)
|
|
{
|
|
for (int x = 0; x < width; x++)
|
|
{
|
|
int r = data[index];
|
|
index++;
|
|
int g = data[index];
|
|
index++;
|
|
int b = data[index];
|
|
index++;
|
|
|
|
if (image.HasMask())
|
|
{
|
|
if ((r == r_mask) && (b == b_mask) && (g == g_mask))
|
|
gdk_image_put_pixel( mask_image, x, y, 1 );
|
|
else
|
|
gdk_image_put_pixel( mask_image, x, y, 0 );
|
|
}
|
|
|
|
if ((r == 255) && (b == 255) && (g == 255))
|
|
gdk_image_put_pixel( data_image, x, y, 1 );
|
|
else
|
|
gdk_image_put_pixel( data_image, x, y, 0 );
|
|
|
|
} // for
|
|
} // for
|
|
|
|
// Blit picture
|
|
|
|
GdkGC *data_gc = gdk_gc_new( GetBitmap() );
|
|
|
|
gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
|
|
|
|
gdk_image_destroy( data_image );
|
|
gdk_gc_unref( data_gc );
|
|
|
|
// Blit mask
|
|
|
|
if (image.HasMask())
|
|
{
|
|
GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
|
|
|
|
gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
|
|
|
|
gdk_image_destroy( mask_image );
|
|
gdk_gc_unref( mask_gc );
|
|
}
|
|
}
|
|
|
|
// ------
|
|
// conversion to colour bitmap:
|
|
// ------
|
|
else
|
|
{
|
|
SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );
|
|
|
|
GdkVisual *visual = wxTheApp->GetGdkVisual();
|
|
|
|
int bpp = visual->depth;
|
|
|
|
SetDepth( bpp );
|
|
|
|
if ((bpp == 16) && (visual->red_mask != 0xf800))
|
|
bpp = 15;
|
|
else if (bpp < 8)
|
|
bpp = 8;
|
|
|
|
// We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
|
|
// visuals are not supported by GDK so we do these ourselves, too.
|
|
// 15-bit and 16-bit should actually work and 24-bit certainly does.
|
|
#ifdef __sgi
|
|
if (!image.HasMask() && (bpp > 16))
|
|
#else
|
|
if (!image.HasMask() && (bpp > 12))
|
|
#endif
|
|
{
|
|
static bool s_hasInitialized = FALSE;
|
|
|
|
if (!s_hasInitialized)
|
|
{
|
|
gdk_rgb_init();
|
|
s_hasInitialized = TRUE;
|
|
}
|
|
|
|
GdkGC *gc = gdk_gc_new( GetPixmap() );
|
|
|
|
gdk_draw_rgb_image( GetPixmap(),
|
|
gc,
|
|
0, 0,
|
|
width, height,
|
|
GDK_RGB_DITHER_NONE,
|
|
image.GetData(),
|
|
width*3 );
|
|
|
|
gdk_gc_unref( gc );
|
|
return TRUE;
|
|
}
|
|
|
|
// Create picture image
|
|
|
|
GdkImage *data_image =
|
|
gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );
|
|
|
|
// Create mask image
|
|
|
|
GdkImage *mask_image = (GdkImage*) NULL;
|
|
|
|
if (image.HasMask())
|
|
{
|
|
unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
|
|
|
|
mask_image = gdk_image_new_bitmap( visual, mask_data, width, height );
|
|
|
|
wxMask *mask = new wxMask();
|
|
mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
|
|
|
|
SetMask( mask );
|
|
}
|
|
|
|
// Render
|
|
|
|
enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
|
|
byte_order b_o = RGB;
|
|
|
|
if (bpp > 8)
|
|
{
|
|
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 = RBG;
|
|
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();
|
|
int b_mask = image.GetMaskBlue();
|
|
|
|
unsigned char* data = image.GetData();
|
|
|
|
int index = 0;
|
|
for (int y = 0; y < height; y++)
|
|
{
|
|
for (int x = 0; x < width; x++)
|
|
{
|
|
int r = data[index];
|
|
index++;
|
|
int g = data[index];
|
|
index++;
|
|
int b = data[index];
|
|
index++;
|
|
|
|
if (image.HasMask())
|
|
{
|
|
if ((r == r_mask) && (b == b_mask) && (g == g_mask))
|
|
gdk_image_put_pixel( mask_image, x, y, 1 );
|
|
else
|
|
gdk_image_put_pixel( mask_image, x, y, 0 );
|
|
}
|
|
|
|
switch (bpp)
|
|
{
|
|
case 8:
|
|
{
|
|
int pixel = -1;
|
|
if (wxTheApp->m_colorCube)
|
|
{
|
|
pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
|
|
}
|
|
else
|
|
{
|
|
GdkColormap *cmap = gtk_widget_get_default_colormap();
|
|
GdkColor *colors = cmap->colors;
|
|
int max = 3 * (65536);
|
|
|
|
for (int i = 0; i < cmap->size; i++)
|
|
{
|
|
int rdiff = (r << 8) - colors[i].red;
|
|
int gdiff = (g << 8) - colors[i].green;
|
|
int bdiff = (b << 8) - colors[i].blue;
|
|
int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
|
|
if (sum < max) { pixel = i; max = sum; }
|
|
}
|
|
}
|
|
|
|
gdk_image_put_pixel( data_image, x, y, pixel );
|
|
|
|
break;
|
|
}
|
|
case 12: // SGI only
|
|
{
|
|
guint32 pixel = 0;
|
|
switch (b_o)
|
|
{
|
|
case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
|
|
case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
|
|
case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
|
|
case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
|
|
case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
|
|
case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
|
|
}
|
|
gdk_image_put_pixel( data_image, x, y, pixel );
|
|
break;
|
|
}
|
|
case 15:
|
|
{
|
|
guint32 pixel = 0;
|
|
switch (b_o)
|
|
{
|
|
case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
|
|
case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
|
|
case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
|
|
case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
|
|
case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
|
|
case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
|
|
}
|
|
gdk_image_put_pixel( data_image, x, y, pixel );
|
|
break;
|
|
}
|
|
case 16:
|
|
{
|
|
// I actually don't know if for 16-bit displays, it is alway the green
|
|
// component or the second component which has 6 bits.
|
|
guint32 pixel = 0;
|
|
switch (b_o)
|
|
{
|
|
case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
|
|
case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
|
|
case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
|
|
case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
|
|
case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
|
|
case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
|
|
}
|
|
gdk_image_put_pixel( data_image, x, y, pixel );
|
|
break;
|
|
}
|
|
case 32:
|
|
case 24:
|
|
{
|
|
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;
|
|
}
|
|
} // for
|
|
} // for
|
|
|
|
// Blit picture
|
|
|
|
GdkGC *data_gc = gdk_gc_new( GetPixmap() );
|
|
|
|
gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
|
|
|
|
gdk_image_destroy( data_image );
|
|
gdk_gc_unref( data_gc );
|
|
|
|
// Blit mask
|
|
|
|
if (image.HasMask())
|
|
{
|
|
GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
|
|
|
|
gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
|
|
|
|
gdk_image_destroy( mask_image );
|
|
gdk_gc_unref( mask_gc );
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
wxImage wxBitmap::ConvertToImage() const
|
|
{
|
|
// the colour used as transparent one in wxImage and the one it is replaced
|
|
// with when it really occurs in the bitmap
|
|
static const int MASK_RED = 1;
|
|
static const int MASK_GREEN = 2;
|
|
static const int MASK_BLUE = 3;
|
|
static const int MASK_BLUE_REPLACEMENT = 2;
|
|
|
|
wxImage image;
|
|
|
|
wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
|
|
|
|
GdkImage *gdk_image = (GdkImage*) NULL;
|
|
if (GetPixmap())
|
|
{
|
|
gdk_image = gdk_image_get( GetPixmap(),
|
|
0, 0,
|
|
GetWidth(), GetHeight() );
|
|
}
|
|
else if (GetBitmap())
|
|
{
|
|
gdk_image = gdk_image_get( GetBitmap(),
|
|
0, 0,
|
|
GetWidth(), GetHeight() );
|
|
}
|
|
else
|
|
{
|
|
wxFAIL_MSG( wxT("Ill-formed bitmap") );
|
|
}
|
|
|
|
wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
|
|
|
|
image.Create( GetWidth(), GetHeight() );
|
|
char unsigned *data = image.GetData();
|
|
|
|
if (!data)
|
|
{
|
|
gdk_image_destroy( gdk_image );
|
|
wxFAIL_MSG( wxT("couldn't create image") );
|
|
return wxNullImage;
|
|
}
|
|
|
|
GdkImage *gdk_image_mask = (GdkImage*) NULL;
|
|
if (GetMask())
|
|
{
|
|
gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
|
|
0, 0,
|
|
GetWidth(), GetHeight() );
|
|
|
|
image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
|
|
}
|
|
|
|
int bpp = -1;
|
|
int red_shift_right = 0;
|
|
int green_shift_right = 0;
|
|
int blue_shift_right = 0;
|
|
int red_shift_left = 0;
|
|
int green_shift_left = 0;
|
|
int blue_shift_left = 0;
|
|
bool use_shift = FALSE;
|
|
|
|
if (GetPixmap())
|
|
{
|
|
GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
|
|
if (visual == NULL)
|
|
visual = wxTheApp->GetGdkVisual();
|
|
|
|
bpp = visual->depth;
|
|
if (bpp == 16)
|
|
bpp = visual->red_prec + visual->green_prec + visual->blue_prec;
|
|
red_shift_right = visual->red_shift;
|
|
red_shift_left = 8-visual->red_prec;
|
|
green_shift_right = visual->green_shift;
|
|
green_shift_left = 8-visual->green_prec;
|
|
blue_shift_right = visual->blue_shift;
|
|
blue_shift_left = 8-visual->blue_prec;
|
|
|
|
use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR);
|
|
}
|
|
if (GetBitmap())
|
|
{
|
|
bpp = 1;
|
|
}
|
|
|
|
|
|
GdkColormap *cmap = gtk_widget_get_default_colormap();
|
|
|
|
long pos = 0;
|
|
for (int j = 0; j < GetHeight(); j++)
|
|
{
|
|
for (int i = 0; i < GetWidth(); i++)
|
|
{
|
|
wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
|
|
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 (use_shift)
|
|
{
|
|
data[pos] = (pixel >> red_shift_right) << red_shift_left;
|
|
data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
|
|
data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left;
|
|
}
|
|
else if (cmap->colors)
|
|
{
|
|
data[pos] = cmap->colors[pixel].red >> 8;
|
|
data[pos+1] = cmap->colors[pixel].green >> 8;
|
|
data[pos+2] = cmap->colors[pixel].blue >> 8;
|
|
}
|
|
else
|
|
{
|
|
wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
|
|
}
|
|
|
|
if (gdk_image_mask)
|
|
{
|
|
int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
|
|
if (mask_pixel == 0)
|
|
{
|
|
data[pos] = MASK_RED;
|
|
data[pos+1] = MASK_GREEN;
|
|
data[pos+2] = MASK_BLUE;
|
|
}
|
|
else if ( data[pos] == MASK_RED &&
|
|
data[pos+1] == MASK_GREEN &&
|
|
data[pos+2] == MASK_BLUE )
|
|
{
|
|
data[pos+2] = MASK_BLUE_REPLACEMENT;
|
|
}
|
|
}
|
|
|
|
pos += 3;
|
|
}
|
|
}
|
|
|
|
gdk_image_destroy( gdk_image );
|
|
if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
|
|
|
|
return image;
|
|
}
|
|
|
|
wxBitmap::wxBitmap( const wxBitmap& bmp )
|
|
: wxGDIObject()
|
|
{
|
|
Ref( bmp );
|
|
}
|
|
|
|
wxBitmap::wxBitmap( const wxString &filename, int type )
|
|
{
|
|
LoadFile( filename, type );
|
|
}
|
|
|
|
wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
|
|
{
|
|
if ( width > 0 && height > 0 )
|
|
{
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_mask = (wxMask *) NULL;
|
|
M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data
|
|
(
|
|
wxGetRootWindow()->window,
|
|
(gchar *) bits,
|
|
width,
|
|
height
|
|
);
|
|
M_BMPDATA->m_width = width;
|
|
M_BMPDATA->m_height = height;
|
|
M_BMPDATA->m_bpp = 1;
|
|
|
|
wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
|
|
}
|
|
}
|
|
|
|
wxBitmap::~wxBitmap()
|
|
{
|
|
}
|
|
|
|
wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
|
|
{
|
|
if ( m_refData != bmp.m_refData )
|
|
Ref( bmp );
|
|
|
|
return *this;
|
|
}
|
|
|
|
bool wxBitmap::operator == ( const wxBitmap& bmp ) const
|
|
{
|
|
return m_refData == bmp.m_refData;
|
|
}
|
|
|
|
bool wxBitmap::operator != ( const wxBitmap& bmp ) const
|
|
{
|
|
return m_refData != bmp.m_refData;
|
|
}
|
|
|
|
bool wxBitmap::Ok() const
|
|
{
|
|
return (m_refData != NULL);
|
|
}
|
|
|
|
int wxBitmap::GetHeight() const
|
|
{
|
|
wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_height;
|
|
}
|
|
|
|
int wxBitmap::GetWidth() const
|
|
{
|
|
wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_width;
|
|
}
|
|
|
|
int wxBitmap::GetDepth() const
|
|
{
|
|
wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_bpp;
|
|
}
|
|
|
|
wxMask *wxBitmap::GetMask() const
|
|
{
|
|
wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_mask;
|
|
}
|
|
|
|
void wxBitmap::SetMask( wxMask *mask )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("invalid bitmap") );
|
|
|
|
if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
|
|
|
|
M_BMPDATA->m_mask = mask;
|
|
}
|
|
|
|
bool wxBitmap::CopyFromIcon(const wxIcon& icon)
|
|
{
|
|
*this = icon;
|
|
return TRUE;
|
|
}
|
|
|
|
wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
|
|
{
|
|
wxCHECK_MSG( Ok() &&
|
|
(rect.x >= 0) && (rect.y >= 0) &&
|
|
(rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
|
|
wxNullBitmap, wxT("invalid bitmap or bitmap region") );
|
|
|
|
wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
|
|
wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
|
|
|
|
if (ret.GetPixmap())
|
|
{
|
|
GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
|
|
gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
|
|
gdk_gc_destroy( gc );
|
|
}
|
|
else
|
|
{
|
|
GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
|
|
gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
|
|
gdk_gc_destroy( gc );
|
|
}
|
|
|
|
if (GetMask())
|
|
{
|
|
wxMask *mask = new wxMask;
|
|
mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 );
|
|
|
|
GdkGC *gc = gdk_gc_new( mask->m_bitmap );
|
|
gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, 0, 0, rect.x, rect.y, rect.width, rect.height );
|
|
gdk_gc_destroy( gc );
|
|
|
|
ret.SetMask( mask );
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
|
|
{
|
|
wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
|
|
|
|
// Try to save the bitmap via wxImage handlers:
|
|
{
|
|
wxImage image = ConvertToImage();
|
|
if (image.Ok()) return image.SaveFile( name, type );
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
bool wxBitmap::LoadFile( const wxString &name, int type )
|
|
{
|
|
UnRef();
|
|
|
|
if (!wxFileExists(name))
|
|
return FALSE;
|
|
|
|
GdkVisual *visual = wxTheApp->GetGdkVisual();
|
|
|
|
if (type == wxBITMAP_TYPE_XPM)
|
|
{
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
GdkBitmap *mask = (GdkBitmap*) NULL;
|
|
|
|
M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm
|
|
(
|
|
wxGetRootWindow()->window,
|
|
&mask,
|
|
NULL,
|
|
name.fn_str()
|
|
);
|
|
|
|
if (mask)
|
|
{
|
|
M_BMPDATA->m_mask = new wxMask();
|
|
M_BMPDATA->m_mask->m_bitmap = mask;
|
|
}
|
|
|
|
gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
|
|
|
|
M_BMPDATA->m_bpp = visual->depth;
|
|
}
|
|
else // try if wxImage can load it
|
|
{
|
|
wxImage image;
|
|
if ( !image.LoadFile( name, type ) || !image.Ok() )
|
|
return FALSE;
|
|
|
|
*this = wxBitmap(image);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
wxPalette *wxBitmap::GetPalette() const
|
|
{
|
|
if (!Ok())
|
|
return (wxPalette *) NULL;
|
|
|
|
return M_BMPDATA->m_palette;
|
|
}
|
|
|
|
void wxBitmap::SetHeight( int height )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_height = height;
|
|
}
|
|
|
|
void wxBitmap::SetWidth( int width )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_width = width;
|
|
}
|
|
|
|
void wxBitmap::SetDepth( int depth )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_bpp = depth;
|
|
}
|
|
|
|
void wxBitmap::SetPixmap( GdkPixmap *pixmap )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_pixmap = pixmap;
|
|
}
|
|
|
|
void wxBitmap::SetBitmap( GdkPixmap *bitmap )
|
|
{
|
|
if (!m_refData)
|
|
m_refData = new wxBitmapRefData();
|
|
|
|
M_BMPDATA->m_bitmap = bitmap;
|
|
}
|
|
|
|
GdkPixmap *wxBitmap::GetPixmap() const
|
|
{
|
|
wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_pixmap;
|
|
}
|
|
|
|
GdkBitmap *wxBitmap::GetBitmap() const
|
|
{
|
|
wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
|
|
|
|
return M_BMPDATA->m_bitmap;
|
|
}
|