// Name: src/gtk/bitmap.cpp
// Purpose:
// Author: Robert Roebling
-// RCS-ID: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/bitmap.h"
#ifndef WX_PRECOMP
- #include "wx/app.h"
- #include "wx/palette.h"
#include "wx/icon.h"
- #include "wx/math.h"
#include "wx/image.h"
#include "wx/colour.h"
#endif
#include "wx/rawbmp.h"
-#include <gtk/gtk.h>
+#include "wx/gtk/private/object.h"
+#include "wx/gtk/private.h"
-//-----------------------------------------------------------------------------
-// data
-//-----------------------------------------------------------------------------
+#include <gtk/gtk.h>
extern GtkWidget *wxGetRootWindow();
+#ifndef __WXGTK3__
+static void PixmapToPixbuf(GdkPixmap* pixmap, GdkPixbuf* pixbuf, int w, int h)
+{
+ gdk_pixbuf_get_from_drawable(pixbuf, pixmap, NULL, 0, 0, 0, 0, w, h);
+ if (gdk_drawable_get_depth(pixmap) == 1)
+ {
+ // invert to match XBM convention
+ guchar* p = gdk_pixbuf_get_pixels(pixbuf);
+ const int inc = 3 + int(gdk_pixbuf_get_has_alpha(pixbuf) != 0);
+ const int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - w * inc;
+ for (int y = h; y; y--, p += rowpad)
+ for (int x = w; x; x--, p += inc)
+ {
+ // pixels are either (0,0,0) or (0xff,0xff,0xff)
+ p[0] = ~p[0];
+ p[1] = ~p[1];
+ p[2] = ~p[2];
+ }
+ }
+}
+
+static void MaskToAlpha(GdkPixmap* mask, GdkPixbuf* pixbuf, int w, int h)
+{
+ GdkPixbuf* mask_pixbuf = gdk_pixbuf_get_from_drawable(
+ NULL, mask, NULL, 0, 0, 0, 0, w, h);
+ guchar* p = gdk_pixbuf_get_pixels(pixbuf) + 3;
+ const guchar* mask_data = gdk_pixbuf_get_pixels(mask_pixbuf);
+ const int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - w * 4;
+ const int mask_rowpad = gdk_pixbuf_get_rowstride(mask_pixbuf) - w * 3;
+ for (int y = h; y; y--, p += rowpad, mask_data += mask_rowpad)
+ {
+ for (int x = w; x; x--, p += 4, mask_data += 3)
+ {
+ *p = 255;
+ // no need to test all 3 components,
+ // pixels are either (0,0,0) or (0xff,0xff,0xff)
+ if (mask_data[0] == 0)
+ *p = 0;
+ }
+ }
+ g_object_unref(mask_pixbuf);
+}
+#endif
+
//-----------------------------------------------------------------------------
// wxMask
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxMask, wxMaskBase)
wxMask::wxMask()
{
- m_bitmap = (GdkBitmap *) NULL;
+ m_bitmap = NULL;
+}
+
+wxMask::wxMask(const wxMask& mask)
+{
+#ifdef __WXGTK3__
+ m_bitmap = NULL;
+ if (mask.m_bitmap)
+ {
+ const int w = cairo_image_surface_get_width(mask.m_bitmap);
+ const int h = cairo_image_surface_get_height(mask.m_bitmap);
+ m_bitmap = cairo_image_surface_create(CAIRO_FORMAT_A8, w, h);
+ const guchar* src = cairo_image_surface_get_data(mask.m_bitmap);
+ guchar* dst = cairo_image_surface_get_data(m_bitmap);
+ const int stride = cairo_image_surface_get_stride(m_bitmap);
+ wxASSERT(stride == cairo_image_surface_get_stride(mask.m_bitmap));
+ memcpy(dst, src, stride * h);
+ cairo_surface_mark_dirty(m_bitmap);
+ }
+#else
+ if ( !mask.m_bitmap )
+ {
+ m_bitmap = NULL;
+ return;
+ }
+
+ // create a copy of an existing mask
+ gint w, h;
+ gdk_drawable_get_size(mask.m_bitmap, &w, &h);
+ m_bitmap = gdk_pixmap_new(mask.m_bitmap, w, h, 1);
+
+ wxGtkObject<GdkGC> gc(gdk_gc_new(m_bitmap));
+ gdk_draw_drawable(m_bitmap, gc, mask.m_bitmap, 0, 0, 0, 0, -1, -1);
+#endif
}
wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
{
- m_bitmap = (GdkBitmap *) NULL;
- Create( bitmap, colour );
+ m_bitmap = NULL;
+ InitFromColour(bitmap, colour);
}
#if wxUSE_PALETTE
wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
{
- m_bitmap = (GdkBitmap *) NULL;
+ m_bitmap = NULL;
Create( bitmap, paletteIndex );
}
#endif // wxUSE_PALETTE
wxMask::wxMask( const wxBitmap& bitmap )
{
- m_bitmap = (GdkBitmap *) NULL;
- Create( bitmap );
+ m_bitmap = NULL;
+ InitFromMonoBitmap(bitmap);
+}
+
+#ifdef __WXGTK3__
+wxMask::wxMask(cairo_surface_t* bitmap)
+#else
+wxMask::wxMask(GdkPixmap* bitmap)
+#endif
+{
+ m_bitmap = bitmap;
}
wxMask::~wxMask()
{
if (m_bitmap)
+ {
+#ifdef __WXGTK3__
+ cairo_surface_destroy(m_bitmap);
+#else
g_object_unref (m_bitmap);
+#endif
+ }
}
-bool wxMask::Create( const wxBitmap& bitmap,
- const wxColour& colour )
+void wxMask::FreeData()
{
if (m_bitmap)
{
+#ifdef __WXGTK3__
+ cairo_surface_destroy(m_bitmap);
+#else
g_object_unref (m_bitmap);
- m_bitmap = (GdkBitmap*) NULL;
+#endif
+ m_bitmap = NULL;
}
+}
+bool wxMask::InitFromColour(const wxBitmap& bitmap, const wxColour& colour)
+{
const int w = bitmap.GetWidth();
const int h = bitmap.GetHeight();
+#ifdef __WXGTK3__
+ m_bitmap = cairo_image_surface_create(CAIRO_FORMAT_A8, w, h);
+ GdkPixbuf* pixbuf = bitmap.GetPixbufNoMask();
+ const guchar* src = gdk_pixbuf_get_pixels(pixbuf);
+ guchar* dst = cairo_image_surface_get_data(m_bitmap);
+ const int stride_src = gdk_pixbuf_get_rowstride(pixbuf);
+ const int stride_dst = cairo_image_surface_get_stride(m_bitmap);
+ const int src_inc = gdk_pixbuf_get_n_channels(pixbuf);
+ const guchar r = colour.Red();
+ const guchar g = colour.Green();
+ const guchar b = colour.Blue();
+ for (int j = 0; j < h; j++, src += stride_src, dst += stride_dst)
+ {
+ const guchar* s = src;
+ for (int i = 0; i < w; i++, s += src_inc)
+ {
+ dst[i] = 0xff;
+ if (s[0] == r && s[1] == g && s[2] == b)
+ dst[i] = 0;
+ }
+ }
+ cairo_surface_mark_dirty(m_bitmap);
+#else
// create mask as XBM format bitmap
// one bit per pixel, each row starts on a byte boundary
}
m_bitmap = gdk_bitmap_create_from_data(wxGetRootWindow()->window, (char*)out, w, h);
delete[] out;
+#endif
return true;
}
-#if wxUSE_PALETTE
-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));
-}
-#endif // wxUSE_PALETTE
-
-bool wxMask::Create( const wxBitmap& bitmap )
+bool wxMask::InitFromMonoBitmap(const wxBitmap& bitmap)
{
- if (m_bitmap)
- {
- g_object_unref (m_bitmap);
- m_bitmap = (GdkBitmap*) NULL;
- }
-
- if (!bitmap.Ok()) return false;
+ if (!bitmap.IsOk()) return false;
wxCHECK_MSG( bitmap.GetDepth() == 1, false, wxT("Cannot create mask from colour bitmap") );
+#ifdef __WXGTK3__
+ InitFromColour(bitmap, *wxBLACK);
+#else
m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
if (!m_bitmap) return false;
- GdkGC *gc = gdk_gc_new( m_bitmap );
+ wxGtkObject<GdkGC> gc(gdk_gc_new( m_bitmap ));
gdk_gc_set_function(gc, GDK_COPY_INVERT);
gdk_draw_drawable(m_bitmap, gc, bitmap.GetPixmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight());
- g_object_unref (gc);
+#endif
return true;
}
-GdkBitmap *wxMask::GetBitmap() const
+wxBitmap wxMask::GetBitmap() const
+{
+ wxBitmap bitmap;
+ if (m_bitmap)
+ {
+#ifdef __WXGTK3__
+ cairo_surface_t* mask = m_bitmap;
+ const int w = cairo_image_surface_get_width(mask);
+ const int h = cairo_image_surface_get_height(mask);
+ GdkPixbuf* pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, false, 8, w, h);
+ const guchar* src = cairo_image_surface_get_data(mask);
+ guchar* dst = gdk_pixbuf_get_pixels(pixbuf);
+ const int stride_src = cairo_image_surface_get_stride(mask);
+ const int stride_dst = gdk_pixbuf_get_rowstride(pixbuf);
+ for (int j = 0; j < h; j++, src += stride_src, dst += stride_dst)
+ {
+ guchar* d = dst;
+ for (int i = 0; i < w; i++, d += 3)
+ {
+ d[0] = src[i];
+ d[1] = src[i];
+ d[2] = src[i];
+ }
+ }
+ bitmap = wxBitmap(pixbuf, 1);
+#else
+ GdkPixmap* mask = m_bitmap;
+ int w, h;
+ gdk_drawable_get_size(mask, &w, &h);
+ GdkPixmap* pixmap = gdk_pixmap_new(mask, w, h, -1);
+ GdkGC* gc = gdk_gc_new(pixmap);
+ gdk_gc_set_function(gc, GDK_COPY_INVERT);
+ gdk_draw_drawable(pixmap, gc, mask, 0, 0, 0, 0, w, h);
+ g_object_unref(gc);
+ bitmap = wxBitmap(pixmap);
+#endif
+ }
+ return bitmap;
+}
+
+#ifdef __WXGTK3__
+wxMask::operator cairo_surface_t*() const
+#else
+wxMask::operator GdkPixmap*() const
+#endif
{
return m_bitmap;
}
//-----------------------------------------------------------------------------
-// wxBitmap
+// wxBitmapRefData
//-----------------------------------------------------------------------------
class wxBitmapRefData: public wxGDIRefData
{
public:
- wxBitmapRefData();
+ wxBitmapRefData(int width, int height, int depth);
virtual ~wxBitmapRefData();
- virtual bool IsOk() const { return m_pixmap || m_pixbuf; }
+ virtual bool IsOk() const;
+#ifdef __WXGTK3__
+ GdkPixbuf* m_pixbufMask;
+ GdkPixbuf* m_pixbufNoMask;
+ cairo_surface_t* m_surface;
+#else
GdkPixmap *m_pixmap;
GdkPixbuf *m_pixbuf;
+#endif
wxMask *m_mask;
int m_width;
int m_height;
int m_bpp;
-#if wxUSE_PALETTE
- wxPalette *m_palette;
-#endif // wxUSE_PALETTE
+#ifndef __WXGTK3__
+ bool m_alphaRequested;
+#endif
+
+ // We don't provide a copy ctor as copying m_pixmap and m_pixbuf properly
+ // is expensive and we don't want to do it implicitly (and possibly
+ // accidentally). wxBitmap::CloneGDIRefData() which does need to do it does
+ // it explicitly itself.
+ wxDECLARE_NO_COPY_CLASS(wxBitmapRefData);
};
-wxBitmapRefData::wxBitmapRefData()
+wxBitmapRefData::wxBitmapRefData(int width, int height, int depth)
{
- m_pixmap = (GdkPixmap *) NULL;
- m_pixbuf = (GdkPixbuf *) NULL;
- m_mask = (wxMask *) NULL;
- m_width = 0;
- m_height = 0;
- m_bpp = 0;
-#if wxUSE_PALETTE
- m_palette = (wxPalette *) NULL;
-#endif // wxUSE_PALETTE
+#ifdef __WXGTK3__
+ m_pixbufMask = NULL;
+ m_pixbufNoMask = NULL;
+ m_surface = NULL;
+#else
+ m_pixmap = NULL;
+ m_pixbuf = NULL;
+#endif
+ m_mask = NULL;
+ m_width = width;
+ m_height = height;
+ m_bpp = depth;
+#ifdef __WXGTK3__
+ if (m_bpp != 1 && m_bpp != 32)
+ m_bpp = 24;
+#else
+ if (m_bpp < 0)
+ m_bpp = gdk_drawable_get_depth(wxGetRootWindow()->window);
+ m_alphaRequested = depth == 32;
+#endif
}
wxBitmapRefData::~wxBitmapRefData()
{
+#ifdef __WXGTK3__
+ if (m_pixbufMask)
+ g_object_unref(m_pixbufMask);
+ if (m_pixbufNoMask)
+ g_object_unref(m_pixbufNoMask);
+ if (m_surface)
+ cairo_surface_destroy(m_surface);
+#else
if (m_pixmap)
g_object_unref (m_pixmap);
if (m_pixbuf)
g_object_unref (m_pixbuf);
+#endif
delete m_mask;
-#if wxUSE_PALETTE
- delete m_palette;
-#endif // wxUSE_PALETTE
}
+bool wxBitmapRefData::IsOk() const
+{
+ return m_bpp != 0;
+}
+
+//-----------------------------------------------------------------------------
+// wxBitmap
//-----------------------------------------------------------------------------
-#define M_BMPDATA wx_static_cast(wxBitmapRefData*, m_refData)
+#define M_BMPDATA static_cast<wxBitmapRefData*>(m_refData)
IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
-wxBitmap::wxBitmap(int width, int height, int depth)
-{
- Create(width, height, depth);
-}
-
wxBitmap::wxBitmap(const wxString &filename, wxBitmapType type)
{
LoadFile(filename, type);
wxASSERT(depth == 1);
if (width > 0 && height > 0 && depth == 1)
{
- SetPixmap(gdk_bitmap_create_from_data(wxGetRootWindow()->window, bits, width, height));
-
- wxASSERT_MSG( M_BMPDATA->m_pixmap, wxT("couldn't create bitmap") );
+ m_refData = new wxBitmapRefData(width, height, 1);
+#ifdef __WXGTK3__
+ GdkPixbuf* pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, false, 8, width, height);
+ M_BMPDATA->m_pixbufNoMask = pixbuf;
+ const char* src = bits;
+ guchar* dst = gdk_pixbuf_get_pixels(pixbuf);
+ const int stride_src = (width + 7) / 8;
+ const int rowinc_dst = gdk_pixbuf_get_rowstride(pixbuf) - 3 * width;
+ for (int j = 0; j < width; j++, src += stride_src, dst += rowinc_dst)
+ {
+ for (int i = 0; i < height; i++)
+ {
+ guchar c = 0xff;
+ if (src[i >> 3] & (1 << (i & 7)))
+ c = 0;
+ *dst++ = c;
+ *dst++ = c;
+ *dst++ = c;
+ }
+ }
+#else
+ M_BMPDATA->m_pixmap = gdk_bitmap_create_from_data(
+ wxGetRootWindow()->window, bits, width, height);
+#endif
}
}
{
wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data"));
+#if wxUSE_IMAGE
+ *this = wxBitmap(wxImage(bits));
+#elif defined __WXGTK3__
+ GdkPixbuf* pixbuf = gdk_pixbuf_new_from_xpm_data(const_cast<const char**>(bits));
+ if (pixbuf)
+ {
+ m_refData = new wxBitmapRefData(
+ gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf),
+ gdk_pixbuf_get_n_channels(pixbuf) * 8);
+ M_BMPDATA->m_pixbufNoMask = pixbuf;
+ wxASSERT(M_BMPDATA->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(M_BMPDATA->m_pixbufNoMask));
+ }
+#else
GdkBitmap* mask = NULL;
- SetPixmap(gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, wx_const_cast(char**, bits)));
+ GdkPixmap* pixmap = gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, const_cast<char**>(bits));
+ if (pixmap)
+ {
+ int width, height;
+ gdk_drawable_get_size(pixmap, &width, &height);
+ m_refData = new wxBitmapRefData(width, height, -1);
+ M_BMPDATA->m_pixmap = pixmap;
+ if (mask)
+ {
+ M_BMPDATA->m_mask = new wxMask(mask);
+ }
+ }
+#endif
+}
- if (M_BMPDATA->m_pixmap != NULL && mask != NULL)
+wxBitmap::wxBitmap(GdkPixbuf* pixbuf, int depth)
+{
+ if (pixbuf)
+ {
+ if (depth != 1)
+ depth = gdk_pixbuf_get_n_channels(pixbuf) * 8;
+ wxBitmapRefData* bmpData = new wxBitmapRefData(
+ gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf),
+ depth);
+ m_refData = bmpData;
+#ifdef __WXGTK3__
+ bmpData->m_pixbufNoMask = pixbuf;
+#else
+ bmpData->m_pixbuf = pixbuf;
+#endif
+ }
+}
+
+#ifndef __WXGTK3__
+wxBitmap::wxBitmap(GdkPixmap* pixmap)
+{
+ if (pixmap)
{
- M_BMPDATA->m_mask = new wxMask;
- M_BMPDATA->m_mask->m_bitmap = mask;
+ int w, h;
+ gdk_drawable_get_size(pixmap, &w, &h);
+ wxBitmapRefData* bmpData =
+ new wxBitmapRefData(w, h, gdk_drawable_get_depth(pixmap));
+ m_refData = bmpData;
+ bmpData->m_pixmap = pixmap;
}
}
+#endif
wxBitmap::~wxBitmap()
{
bool wxBitmap::Create( int width, int height, int depth )
{
UnRef();
+ wxCHECK_MSG(width >= 0 && height >= 0, false, "invalid bitmap size");
+ m_refData = new wxBitmapRefData(width, height, depth);
+ return true;
+}
- if ( width <= 0 || height <= 0 )
- {
- return false;
- }
-
- if (depth == 32)
+#ifdef __WXGTK3__
+static void CopyImageData(
+ guchar* dst, int dstChannels, int dstStride,
+ const guchar* src, int srcChannels, int srcStride,
+ int w, int h)
+{
+ if (dstChannels == srcChannels)
{
- SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, width, height), 32);
+ if (dstStride == srcStride)
+ memcpy(dst, src, size_t(dstStride) * h);
+ else
+ {
+ const int stride = dstStride < srcStride ? dstStride : srcStride;
+ for (int j = 0; j < h; j++, src += srcStride, dst += dstStride)
+ memcpy(dst, src, stride);
+ }
}
else
{
- if (depth != 1)
+ for (int j = 0; j < h; j++, src += srcStride, dst += dstStride)
{
- const GdkVisual* visual = wxTheApp->GetGdkVisual();
- if (depth == -1)
- depth = visual->depth;
-
- wxCHECK_MSG(depth == visual->depth, false, wxT("invalid bitmap depth"));
+ guchar* d = dst;
+ const guchar* s = src;
+ if (dstChannels == 4)
+ {
+ for (int i = 0; i < w; i++, d += 4, s += 3)
+ {
+ d[0] = s[0];
+ d[1] = s[1];
+ d[2] = s[2];
+ d[3] = 0xff;
+ }
+ }
+ else
+ {
+ for (int i = 0; i < w; i++, d += 3, s += 4)
+ {
+ d[0] = s[0];
+ d[1] = s[1];
+ d[2] = s[2];
+ }
+ }
}
-
- SetPixmap(gdk_pixmap_new(wxGetRootWindow()->window, width, height, depth));
}
-
- return Ok();
}
+#endif
-wxBitmap wxBitmap::Rescale(int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy) const
+#if wxUSE_IMAGE
+#ifdef __WXGTK3__
+wxBitmap::wxBitmap(const wxImage& image, int depth)
{
- wxBitmap bmp;
-
- wxCHECK_MSG(Ok(), bmp, wxT("invalid bitmap"));
+ wxCHECK_RET(image.IsOk(), "invalid image");
- int width = wxMax(newx, 1);
- int height = wxMax(newy, 1);
- width = wxMin(width, clipwidth);
- height = wxMin(height, clipheight);
-
- const double scale_x = double(newx) / M_BMPDATA->m_width;
- const double scale_y = double(newy) / M_BMPDATA->m_height;
-
- // Converting to pixbuf, scaling with gdk_pixbuf_scale, and converting
- // back, is faster than scaling pixmap ourselves.
-
- // use pixbuf if already available,
- // otherwise create temporary pixbuf from pixmap
- GdkPixbuf* pixbuf = M_BMPDATA->m_pixbuf;
- if (pixbuf)
- g_object_ref(pixbuf);
- else
- pixbuf = gdk_pixbuf_get_from_drawable(
- NULL, M_BMPDATA->m_pixmap, NULL,
- 0, 0, 0, 0, M_BMPDATA->m_width, M_BMPDATA->m_height);
-
- // new pixbuf for scaled wxBitmap
- GdkPixbuf* pixbuf_scaled = gdk_pixbuf_new(
- GDK_COLORSPACE_RGB, gdk_pixbuf_get_has_alpha(pixbuf), 8, width, height);
-
- // GDK_INTERP_NEAREST is the lowest-quality method for continuous-tone
- // images, but the only one which preserves sharp edges
- gdk_pixbuf_scale(
- pixbuf, pixbuf_scaled,
- 0, 0, width, height, -clipx, -clipy, scale_x, scale_y,
- GDK_INTERP_NEAREST);
-
- g_object_unref(pixbuf);
- bmp.SetPixbuf(pixbuf_scaled, M_BMPDATA->m_bpp);
-
- if (M_BMPDATA->m_mask)
+ const int w = image.GetWidth();
+ const int h = image.GetHeight();
+ const guchar* alpha = image.GetAlpha();
+ if (depth < 0)
+ depth = alpha ? 32 : 24;
+ else if (depth != 1 && depth != 32)
+ depth = 24;
+ wxBitmapRefData* bmpData = new wxBitmapRefData(w, h, depth);
+ m_refData = bmpData;
+ GdkPixbuf* pixbuf_dst = gdk_pixbuf_new(GDK_COLORSPACE_RGB, depth == 32, 8, w, h);
+ bmpData->m_pixbufNoMask = pixbuf_dst;
+ wxASSERT(bmpData->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(bmpData->m_pixbufNoMask));
+ const guchar* src = image.GetData();
+
+ guchar* dst = gdk_pixbuf_get_pixels(pixbuf_dst);
+ const int dstStride = gdk_pixbuf_get_rowstride(pixbuf_dst);
+ CopyImageData(dst, gdk_pixbuf_get_n_channels(pixbuf_dst), dstStride, src, 3, 3 * w, w, h);
+
+ if (depth == 32 && alpha)
{
- pixbuf = gdk_pixbuf_get_from_drawable(
- NULL, M_BMPDATA->m_mask->m_bitmap, NULL,
- 0, 0, 0, 0, M_BMPDATA->m_width, M_BMPDATA->m_height);
-
- pixbuf_scaled = gdk_pixbuf_new(
- GDK_COLORSPACE_RGB, false, 8, width, height);
-
- gdk_pixbuf_scale(
- pixbuf, pixbuf_scaled,
- 0, 0, width, height, -clipx, -clipy, scale_x, scale_y,
- GDK_INTERP_NEAREST);
-
- g_object_unref(pixbuf);
-
- // use existing functionality to create mask from scaled pixbuf
- wxBitmap maskbmp;
- maskbmp.SetPixbuf(pixbuf_scaled);
- bmp.SetMask(new wxMask(maskbmp, *wxBLACK));
+ for (int j = 0; j < h; j++, dst += dstStride)
+ for (int i = 0; i < w; i++)
+ dst[i * 4 + 3] = *alpha++;
+ }
+ if (image.HasMask())
+ {
+ const guchar r = image.GetMaskRed();
+ const guchar g = image.GetMaskGreen();
+ const guchar b = image.GetMaskBlue();
+ cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_A8, w, h);
+ const int stride = cairo_image_surface_get_stride(surface);
+ dst = cairo_image_surface_get_data(surface);
+ memset(dst, 0xff, stride * h);
+ for (int j = 0; j < h; j++, dst += stride)
+ for (int i = 0; i < w; i++, src += 3)
+ if (src[0] == r && src[1] == g && src[2] == b)
+ dst[i] = 0;
+ cairo_surface_mark_dirty(surface);
+ bmpData->m_mask = new wxMask(surface);
}
- return bmp;
}
-
-#if wxUSE_IMAGE
-
-bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
+#else
+wxBitmap::wxBitmap(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") );
+ wxCHECK_RET(image.IsOk(), "invalid image");
- if (image.GetWidth() <= 0 || image.GetHeight() <= 0)
- return false;
-
- // create pixbuf if image has alpha and requested depth is compatible
- if (image.HasAlpha() && (depth == -1 || depth == 32))
- return CreateFromImageAsPixbuf(image);
-
- // otherwise create pixmap, if alpha is present it will be converted to mask
- return CreateFromImageAsPixmap(image, depth);
+ if (depth == 32 || (depth == -1 && image.HasAlpha()))
+ CreateFromImageAsPixbuf(image);
+ else
+ // otherwise create pixmap, if alpha is present it will be converted to mask
+ CreateFromImageAsPixmap(image, depth);
}
bool wxBitmap::CreateFromImageAsPixmap(const wxImage& image, int depth)
}
SetPixmap(gdk_bitmap_create_from_data(wxGetRootWindow()->window, (char*)out, w, h));
delete[] out;
+
+ if (!M_BMPDATA) // SetPixmap may have failed
+ return false;
}
else
{
SetPixmap(gdk_pixmap_new(wxGetRootWindow()->window, w, h, depth));
- GdkGC* gc = gdk_gc_new(M_BMPDATA->m_pixmap);
+ if (!M_BMPDATA)
+ return false;
+
+ wxGtkObject<GdkGC> gc(gdk_gc_new(M_BMPDATA->m_pixmap));
gdk_draw_rgb_image(
M_BMPDATA->m_pixmap, gc,
0, 0, w, h,
GDK_RGB_DITHER_NONE, image.GetData(), w * 3);
- g_object_unref(gc);
}
const wxByte* alpha = image.GetAlpha();
bit_index = (bit_index + 7) & ~7u;
}
}
- wxMask* mask = new wxMask;
- mask->m_bitmap = gdk_bitmap_create_from_data(M_BMPDATA->m_pixmap, (char*)out, w, h);
- SetMask(mask);
+ SetMask(new wxMask(gdk_bitmap_create_from_data(M_BMPDATA->m_pixmap, (char*)out, w, h)));
delete[] out;
}
- return true;
+ return IsOk();
}
bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image)
{
- wxASSERT(image.HasAlpha());
-
int width = image.GetWidth();
int height = image.GetHeight();
Create(width, height, 32);
- GdkPixbuf* pixbuf = M_BMPDATA->m_pixbuf;
+ GdkPixbuf* pixbuf = GetPixbuf();
if (!pixbuf)
return false;
for (int y = 0; y < height; y++, out += rowpad)
{
- for (int x = 0; x < width; x++, alpha++, out += 4, in += 3)
+ for (int x = 0; x < width; x++, out += 4, in += 3)
{
out[0] = in[0];
out[1] = in[1];
out[2] = in[2];
- out[3] = *alpha;
+ if (alpha)
+ out[3] = *alpha++;
}
}
return true;
}
+#endif
wxImage wxBitmap::ConvertToImage() const
{
- wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+#ifdef __WXGTK3__
+ wxImage image;
+ wxCHECK_MSG(IsOk(), image, "invalid bitmap");
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ const int w = bmpData->m_width;
+ const int h = bmpData->m_height;
+ image.Create(w, h, false);
+ guchar* dst = image.GetData();
+ GdkPixbuf* pixbuf_src = NULL;
+ if (bmpData->m_pixbufNoMask)
+ pixbuf_src = bmpData->m_pixbufNoMask;
+ else if (bmpData->m_surface)
+ {
+ pixbuf_src = gdk_pixbuf_get_from_surface(bmpData->m_surface, 0, 0, w, h);
+ bmpData->m_pixbufNoMask = pixbuf_src;
+ wxASSERT(bmpData->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(bmpData->m_pixbufNoMask));
+ }
+ if (pixbuf_src)
+ {
+ const guchar* src = gdk_pixbuf_get_pixels(pixbuf_src);
+ const int srcStride = gdk_pixbuf_get_rowstride(pixbuf_src);
+ const int srcChannels = gdk_pixbuf_get_n_channels(pixbuf_src);
+ CopyImageData(dst, 3, 3 * w, src, srcChannels, srcStride, w, h);
+
+ if (srcChannels == 4)
+ {
+ image.SetAlpha();
+ guchar* alpha = image.GetAlpha();
+ for (int j = 0; j < h; j++, src += srcStride)
+ {
+ const guchar* s = src;
+ for (int i = 0; i < w; i++, s += 4)
+ *alpha++ = s[3];
+ }
+ }
+ }
+ cairo_surface_t* maskSurf = NULL;
+ if (bmpData->m_mask)
+ maskSurf = *bmpData->m_mask;
+ if (maskSurf)
+ {
+ const guchar r = 1;
+ const guchar g = 2;
+ const guchar b = 3;
+ image.SetMaskColour(r, g, b);
+ wxASSERT(cairo_image_surface_get_format(maskSurf) == CAIRO_FORMAT_A8);
+ const int stride = cairo_image_surface_get_stride(maskSurf);
+ const guchar* src = cairo_image_surface_get_data(maskSurf);
+ for (int j = 0; j < h; j++, src += stride)
+ {
+ for (int i = 0; i < w; i++, dst += 3)
+ if (src[i] == 0)
+ {
+ dst[0] = r;
+ dst[1] = g;
+ dst[2] = b;
+ }
+ else if (dst[0] == r && dst[1] == g && dst[2] == b)
+ dst[2]--;
+ }
+ }
+#else
+ wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid bitmap") );
const int w = GetWidth();
const int h = GetHeight();
{
// mono bitmaps are inverted, i.e. 0 is white
pixmap_invert = gdk_pixmap_new(pixmap, w, h, 1);
- GdkGC* gc = gdk_gc_new(pixmap_invert);
+ wxGtkObject<GdkGC> gc(gdk_gc_new(pixmap_invert));
gdk_gc_set_function(gc, GDK_COPY_INVERT);
gdk_draw_drawable(pixmap_invert, gc, pixmap, 0, 0, 0, 0, w, h);
- g_object_unref(gc);
pixmap = pixmap_invert;
}
// create a pixbuf which shares data with the wxImage
const int MASK_BLUE_REPLACEMENT = 2;
image.SetMaskColour(MASK_RED, MASK_GREEN, MASK_BLUE);
- GdkImage* image_mask = gdk_drawable_get_image(GetMask()->GetBitmap(), 0, 0, w, h);
+ GdkImage* image_mask = gdk_drawable_get_image(*GetMask(), 0, 0, w, h);
for (int y = 0; y < h; y++)
{
}
g_object_unref(image_mask);
}
+#endif
return image;
}
int wxBitmap::GetHeight() const
{
- wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
return M_BMPDATA->m_height;
}
int wxBitmap::GetWidth() const
{
- wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
return M_BMPDATA->m_width;
}
int wxBitmap::GetDepth() const
{
- wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
return M_BMPDATA->m_bpp;
}
wxMask *wxBitmap::GetMask() const
{
- wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
return M_BMPDATA->m_mask;
}
void wxBitmap::SetMask( wxMask *mask )
{
- wxCHECK_RET( Ok(), wxT("invalid bitmap") );
+ wxCHECK_RET( IsOk(), wxT("invalid bitmap") );
AllocExclusive();
delete M_BMPDATA->m_mask;
bool wxBitmap::CopyFromIcon(const wxIcon& icon)
{
*this = icon;
- return Ok();
+ return IsOk();
+}
+
+#ifdef __WXGTK3__
+static cairo_surface_t* GetSubSurface(cairo_surface_t* surface, const wxRect& rect)
+{
+ cairo_surface_flush(surface);
+ const cairo_format_t format = cairo_image_surface_get_format(surface);
+ int x = rect.x;
+ if (format != CAIRO_FORMAT_A8)
+ x *= 4;
+ cairo_surface_t* subSurface = cairo_image_surface_create(format, rect.width, rect.height);
+ const int srcStride = cairo_image_surface_get_stride(surface);
+ const int dstStride = cairo_image_surface_get_stride(subSurface);
+ const guchar* src = cairo_image_surface_get_data(surface) + rect.y * srcStride + x;
+ guchar* dst = cairo_image_surface_get_data(subSurface);
+ for (int j = 0; j < rect.height; j++, src += srcStride, dst += dstStride)
+ memcpy(dst, src, dstStride);
+ cairo_surface_mark_dirty(subSurface);
+ return subSurface;
}
+#endif
wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
{
wxBitmap ret;
- wxCHECK_MSG(Ok(), ret, wxT("invalid bitmap"));
+ wxCHECK_MSG(IsOk(), ret, wxT("invalid bitmap"));
+
+ const int w = rect.width;
+ const int h = rect.height;
+ const wxBitmapRefData* bmpData = M_BMPDATA;
+
wxCHECK_MSG(rect.x >= 0 && rect.y >= 0 &&
- rect.x + rect.width <= M_BMPDATA->m_width &&
- rect.y + rect.height <= M_BMPDATA->m_height,
+ rect.x + w <= bmpData->m_width &&
+ rect.y + h <= bmpData->m_height,
ret, wxT("invalid bitmap region"));
- if (HasPixbuf() || M_BMPDATA->m_bpp == 32)
+ wxBitmapRefData * const newRef = new wxBitmapRefData(w, h, bmpData->m_bpp);
+ ret.m_refData = newRef;
+
+#ifdef __WXGTK3__
+ if (bmpData->m_pixbufNoMask)
{
- GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
- gdk_pixbuf_get_has_alpha(GetPixbuf()),
- 8, rect.width, rect.height);
- ret.SetPixbuf(pixbuf, M_BMPDATA->m_bpp);
- gdk_pixbuf_copy_area(GetPixbuf(),
- rect.x, rect.y, rect.width, rect.height,
- pixbuf, 0, 0);
+ GdkPixbuf* pixbuf = gdk_pixbuf_new_subpixbuf(bmpData->m_pixbufNoMask, rect.x, rect.y, w, h);
+ newRef->m_pixbufNoMask = gdk_pixbuf_copy(pixbuf);
+ wxASSERT(newRef->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(newRef->m_pixbufNoMask));
+ g_object_unref(pixbuf);
}
- else
+ else if (bmpData->m_surface)
+ newRef->m_surface = GetSubSurface(bmpData->m_surface, rect);
+
+ cairo_surface_t* maskSurf = NULL;
+ if (bmpData->m_mask)
+ maskSurf = *bmpData->m_mask;
+ if (maskSurf)
{
- ret.Create(rect.width, rect.height, M_BMPDATA->m_bpp);
- GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
- gdk_draw_drawable( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
- g_object_unref (gc);
+ newRef->m_mask = new wxMask(GetSubSurface(maskSurf, rect));
}
- // make mask, unless there is already alpha
- if (GetMask() && !HasAlpha())
+#else
+ if (bmpData->m_pixbuf)
{
- 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_draw_drawable(mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height);
- g_object_unref (gc);
-
- ret.SetMask( mask );
+ GdkPixbuf* pixbuf =
+ gdk_pixbuf_new_subpixbuf(bmpData->m_pixbuf, rect.x, rect.y, w, h);
+ newRef->m_pixbuf = gdk_pixbuf_copy(pixbuf);
+ g_object_unref(pixbuf);
}
+ if (bmpData->m_pixmap)
+ {
+ newRef->m_pixmap = gdk_pixmap_new(bmpData->m_pixmap, w, h, -1);
+ GdkGC* gc = gdk_gc_new(newRef->m_pixmap);
+ gdk_draw_drawable(
+ newRef->m_pixmap, gc, bmpData->m_pixmap, rect.x, rect.y, 0, 0, w, h);
+ g_object_unref(gc);
+ }
+ GdkPixmap* mask = NULL;
+ if (bmpData->m_mask)
+ mask = *bmpData->m_mask;
+ if (mask)
+ {
+ GdkPixmap* sub_mask = gdk_pixmap_new(mask, w, h, 1);
+ newRef->m_mask = new wxMask(sub_mask);
+ GdkGC* gc = gdk_gc_new(sub_mask);
+ gdk_draw_drawable(
+ sub_mask, gc, mask, rect.x, rect.y, 0, 0, w, h);
+ g_object_unref(gc);
+ }
+#endif
return ret;
}
bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const
{
- wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
+ const char* type_name = NULL;
+ switch (type)
+ {
+ case wxBITMAP_TYPE_ANI: type_name = "ani"; break;
+ case wxBITMAP_TYPE_BMP: type_name = "bmp"; break;
+ case wxBITMAP_TYPE_GIF: type_name = "gif"; break;
+ case wxBITMAP_TYPE_ICO: type_name = "ico"; break;
+ case wxBITMAP_TYPE_JPEG: type_name = "jpeg"; break;
+ case wxBITMAP_TYPE_PCX: type_name = "pcx"; break;
+ case wxBITMAP_TYPE_PNG: type_name = "png"; break;
+ case wxBITMAP_TYPE_PNM: type_name = "pnm"; break;
+ case wxBITMAP_TYPE_TGA: type_name = "tga"; break;
+ case wxBITMAP_TYPE_TIFF: type_name = "tiff"; break;
+ case wxBITMAP_TYPE_XBM: type_name = "xbm"; break;
+ case wxBITMAP_TYPE_XPM: type_name = "xpm"; break;
+ default: break;
+ }
+ if (type_name &&
+ gdk_pixbuf_save(GetPixbuf(), wxGTK_CONV_FN(name), type_name, NULL, NULL))
+ {
+ return true;
+ }
#if wxUSE_IMAGE
- // Try to save the bitmap via wxImage handlers:
- wxImage image = ConvertToImage();
- return image.Ok() && image.SaveFile(name, type);
-#else // !wxUSE_IMAGE
- wxUnusedVar(name);
- wxUnusedVar(type);
-
+ return ConvertToImage().SaveFile(name, type);
+#else
return false;
-#endif // wxUSE_IMAGE
+#endif
}
bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
{
- UnRef();
-
- if (type == wxBITMAP_TYPE_XPM)
+ GdkPixbuf* pixbuf = gdk_pixbuf_new_from_file(wxGTK_CONV_FN(name), NULL);
+ if (pixbuf)
{
- GdkBitmap *mask = (GdkBitmap*) NULL;
- SetPixmap(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;
- }
+ *this = wxBitmap(pixbuf);
+ return true;
}
#if wxUSE_IMAGE
- else // try if wxImage can load it
+ wxImage image;
+ if (image.LoadFile(name, type) && image.IsOk())
{
- wxImage image;
- if (image.LoadFile(name, type) && image.Ok())
- CreateFromImage(image, -1);
+ *this = wxBitmap(image);
+ return true;
}
-#endif // wxUSE_IMAGE
-
- return Ok();
+#else
+ wxUnusedVar(type);
+#endif
+ return false;
}
#if wxUSE_PALETTE
wxPalette *wxBitmap::GetPalette() const
{
- wxCHECK_MSG(Ok(), NULL, wxT("invalid bitmap"));
-
- return M_BMPDATA->m_palette;
+ return NULL;
}
void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette))
M_BMPDATA->m_bpp = depth;
}
+#ifndef __WXGTK3__
void wxBitmap::SetPixmap( GdkPixmap *pixmap )
{
- if (!m_refData)
- m_refData = new wxBitmapRefData;
+ UnRef();
+
+ if (!pixmap)
+ return;
- // AllocExclusive should not be needed for this internal function
- wxASSERT(m_refData->GetRefCount() == 1);
- wxASSERT(M_BMPDATA->m_pixmap == NULL);
- M_BMPDATA->m_pixmap = pixmap;
- gdk_drawable_get_size(pixmap, &M_BMPDATA->m_width, &M_BMPDATA->m_height);
- M_BMPDATA->m_bpp = gdk_drawable_get_depth(pixmap);
- PurgeOtherRepresentations(Pixmap);
+ int w, h;
+ gdk_drawable_get_size(pixmap, &w, &h);
+ wxBitmapRefData* bmpData = new wxBitmapRefData(w, h, 0);
+ m_refData = bmpData;
+ bmpData->m_pixmap = pixmap;
+ bmpData->m_bpp = gdk_drawable_get_depth(pixmap);
}
GdkPixmap *wxBitmap::GetPixmap() const
{
- wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
- // create the pixmap on the fly if we use Pixbuf representation:
- if (M_BMPDATA->m_pixmap == NULL)
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ if (bmpData->m_pixmap)
+ return bmpData->m_pixmap;
+
+ if (bmpData->m_pixbuf)
{
- GdkPixmap** pmask = NULL;
- if (gdk_pixbuf_get_has_alpha(M_BMPDATA->m_pixbuf))
+ GdkPixmap* pixmap = NULL;
+ GdkPixmap** mask_pixmap = NULL;
+ if (gdk_pixbuf_get_has_alpha(bmpData->m_pixbuf))
{
// make new mask from alpha
- delete M_BMPDATA->m_mask;
- M_BMPDATA->m_mask = new wxMask;
- pmask = &M_BMPDATA->m_mask->m_bitmap;
+ mask_pixmap = &pixmap;
+ }
+ gdk_pixbuf_render_pixmap_and_mask(
+ bmpData->m_pixbuf, &bmpData->m_pixmap, mask_pixmap, 128);
+ if (pixmap)
+ {
+ delete bmpData->m_mask;
+ bmpData->m_mask = new wxMask(pixmap);
}
- gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf,
- &M_BMPDATA->m_pixmap,
- pmask,
- 0x80 /* alpha threshold */);
}
-
- return M_BMPDATA->m_pixmap;
+ else
+ {
+ bmpData->m_pixmap = gdk_pixmap_new(wxGetRootWindow()->window,
+ bmpData->m_width, bmpData->m_height, bmpData->m_bpp == 1 ? 1 : -1);
+ }
+ return bmpData->m_pixmap;
}
bool wxBitmap::HasPixmap() const
{
- wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+ wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
return M_BMPDATA->m_pixmap != NULL;
}
+#endif
-GdkPixbuf *wxBitmap::GetPixbuf() const
+#ifdef __WXGTK3__
+GdkPixbuf* wxBitmap::GetPixbufNoMask() const
{
- wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+ wxCHECK_MSG(IsOk(), NULL, "invalid bitmap");
- if (M_BMPDATA->m_pixbuf == NULL)
- {
- int width = GetWidth();
- int height = GetHeight();
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ GdkPixbuf* pixbuf = bmpData->m_pixbufNoMask;
+ if (pixbuf)
+ return pixbuf;
+
+ const int w = bmpData->m_width;
+ const int h = bmpData->m_height;
+ if (bmpData->m_surface)
+ pixbuf = gdk_pixbuf_get_from_surface(bmpData->m_surface, 0, 0, w, h);
+ else
+ pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, bmpData->m_bpp == 32, 8, w, h);
+ bmpData->m_pixbufNoMask = pixbuf;
+ wxASSERT(bmpData->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(bmpData->m_pixbufNoMask));
- GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
- GetMask() != NULL,
- 8, width, height);
- M_BMPDATA->m_pixbuf = pixbuf;
- gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL,
- 0, 0, 0, 0, width, height);
+ return pixbuf;
+}
- // apply the mask to created pixbuf:
- if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask)
- {
- GdkPixbuf *pmask =
- gdk_pixbuf_get_from_drawable(NULL,
- M_BMPDATA->m_mask->GetBitmap(),
- NULL,
- 0, 0, 0, 0, width, height);
- if (pmask)
+// helper to set up a simulated depth 1 surface
+static void SetSourceSurface1(const wxBitmapRefData* bmpData, cairo_t* cr, int x, int y, const wxColour* fg, const wxColour* bg)
+{
+ GdkPixbuf* pixbuf = gdk_pixbuf_copy(bmpData->m_pixbufNoMask);
+ const int w = bmpData->m_width;
+ const int h = bmpData->m_height;
+ const int stride = gdk_pixbuf_get_rowstride(pixbuf);
+ const int channels = gdk_pixbuf_get_n_channels(pixbuf);
+ guchar* dst = gdk_pixbuf_get_pixels(pixbuf);
+ guchar fg_r = 0, fg_g = 0, fg_b = 0;
+ if (fg && fg->IsOk())
+ {
+ fg_r = fg->Red();
+ fg_g = fg->Green();
+ fg_b = fg->Blue();
+ }
+ guchar bg_r = 255, bg_g = 255, bg_b = 255;
+ if (bg && bg->IsOk())
+ {
+ bg_r = bg->Red();
+ bg_g = bg->Green();
+ bg_b = bg->Blue();
+ }
+ for (int j = 0; j < h; j++, dst += stride)
+ {
+ guchar* d = dst;
+ for (int i = 0; i < w; i++, d += channels)
+ if (d[0])
+ {
+ d[0] = bg_r;
+ d[1] = bg_g;
+ d[2] = bg_b;
+ }
+ else
{
- guchar *bmp = gdk_pixbuf_get_pixels(pixbuf);
- guchar *mask = gdk_pixbuf_get_pixels(pmask);
- int bmprowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;
- int maskrowinc = gdk_pixbuf_get_rowstride(pmask) - 3 * width;
+ d[0] = fg_r;
+ d[1] = fg_g;
+ d[2] = fg_b;
+ }
+ }
+ gdk_cairo_set_source_pixbuf(cr, pixbuf, x, y);
+ g_object_unref(pixbuf);
+}
- for (int y = 0; y < height;
- y++, bmp += bmprowinc, mask += maskrowinc)
- {
- for (int x = 0; x < width; x++, bmp += 4, mask += 3)
- {
- if (mask[0] == 0 /*black pixel*/)
- bmp[3] = 0;
- }
- }
+void wxBitmap::SetSourceSurface(cairo_t* cr, int x, int y, const wxColour* fg, const wxColour* bg) const
+{
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ if (bmpData->m_surface)
+ {
+ cairo_set_source_surface(cr, bmpData->m_surface, x, y);
+ return;
+ }
+ wxCHECK_RET(bmpData->m_pixbufNoMask, "no bitmap data");
+ if (bmpData->m_bpp == 1)
+ SetSourceSurface1(bmpData, cr, x, y, fg, bg);
+ else
+ {
+ gdk_cairo_set_source_pixbuf(cr, bmpData->m_pixbufNoMask, x, y);
+ cairo_pattern_get_surface(cairo_get_source(cr), &bmpData->m_surface);
+ cairo_surface_reference(bmpData->m_surface);
+ }
+}
- g_object_unref (pmask);
- }
+cairo_t* wxBitmap::CairoCreate() const
+{
+ wxCHECK_MSG(IsOk(), NULL, "invalid bitmap");
+
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ cairo_t* cr;
+ if (bmpData->m_surface)
+ cr = cairo_create(bmpData->m_surface);
+ else
+ {
+ GdkPixbuf* pixbuf = bmpData->m_pixbufNoMask;
+ const bool useAlpha = bmpData->m_bpp == 32 || (pixbuf && gdk_pixbuf_get_has_alpha(pixbuf));
+ bmpData->m_surface = cairo_image_surface_create(
+ useAlpha ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24,
+ bmpData->m_width, bmpData->m_height);
+ cr = cairo_create(bmpData->m_surface);
+ if (pixbuf)
+ {
+ gdk_cairo_set_source_pixbuf(cr, pixbuf, 0, 0);
+ cairo_paint(cr);
+ cairo_set_source_rgb(cr, 0, 0, 0);
}
}
-
- return M_BMPDATA->m_pixbuf;
+ if (bmpData->m_pixbufNoMask)
+ {
+ g_object_unref(bmpData->m_pixbufNoMask);
+ bmpData->m_pixbufNoMask = NULL;
+ }
+ if (bmpData->m_pixbufMask)
+ {
+ g_object_unref(bmpData->m_pixbufMask);
+ bmpData->m_pixbufMask = NULL;
+ }
+ wxASSERT(cr && cairo_status(cr) == 0);
+ return cr;
}
-bool wxBitmap::HasPixbuf() const
+void wxBitmap::Draw(cairo_t* cr, int x, int y, bool useMask, const wxColour* fg, const wxColour* bg) const
{
- wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+ wxCHECK_RET(IsOk(), "invalid bitmap");
+
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ SetSourceSurface(cr, x, y, fg, bg);
+ cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST);
+ cairo_surface_t* mask = NULL;
+ if (useMask && bmpData->m_mask)
+ mask = *bmpData->m_mask;
+ if (mask)
+ cairo_mask_surface(cr, mask, x, y);
+ else
+ cairo_paint(cr);
+}
+#endif
- return M_BMPDATA->m_pixbuf != NULL;
+GdkPixbuf *wxBitmap::GetPixbuf() const
+{
+ wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
+
+ wxBitmapRefData* bmpData = M_BMPDATA;
+#ifdef __WXGTK3__
+ if (bmpData->m_pixbufMask)
+ return bmpData->m_pixbufMask;
+
+ if (bmpData->m_pixbufNoMask == NULL)
+ GetPixbufNoMask();
+ cairo_surface_t* mask = NULL;
+ if (bmpData->m_mask)
+ mask = *bmpData->m_mask;
+ if (mask == NULL)
+ return bmpData->m_pixbufNoMask;
+
+ const int w = bmpData->m_width;
+ const int h = bmpData->m_height;
+ bmpData->m_pixbufMask = gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, w, h);
+
+ guchar* dst = gdk_pixbuf_get_pixels(bmpData->m_pixbufMask);
+ const int dstStride = gdk_pixbuf_get_rowstride(bmpData->m_pixbufMask);
+ CopyImageData(dst, 4, dstStride,
+ gdk_pixbuf_get_pixels(bmpData->m_pixbufNoMask),
+ gdk_pixbuf_get_n_channels(bmpData->m_pixbufNoMask),
+ gdk_pixbuf_get_rowstride(bmpData->m_pixbufNoMask),
+ w, h);
+
+ const guchar* src = cairo_image_surface_get_data(mask);
+ const int srcStride = cairo_image_surface_get_stride(mask);
+ for (int j = 0; j < h; j++, src += srcStride, dst += dstStride)
+ for (int i = 0; i < w; i++)
+ if (src[i] == 0)
+ dst[i * 4 + 3] = 0;
+
+ return bmpData->m_pixbufMask;
+#else
+ if (bmpData->m_pixbuf)
+ return bmpData->m_pixbuf;
+
+ const int w = bmpData->m_width;
+ const int h = bmpData->m_height;
+ GdkPixmap* mask = NULL;
+ if (bmpData->m_mask)
+ mask = *bmpData->m_mask;
+ const bool useAlpha = bmpData->m_alphaRequested || mask;
+ bmpData->m_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, useAlpha, 8, w, h);
+ if (bmpData->m_pixmap)
+ PixmapToPixbuf(bmpData->m_pixmap, bmpData->m_pixbuf, w, h);
+ if (mask)
+ MaskToAlpha(mask, bmpData->m_pixbuf, w, h);
+ return bmpData->m_pixbuf;
+#endif
}
-void wxBitmap::SetPixbuf(GdkPixbuf* pixbuf, int depth)
+#ifndef __WXGTK3__
+bool wxBitmap::HasPixbuf() const
{
- if (!m_refData)
- m_refData = new wxBitmapRefData;
+ wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
- // AllocExclusive should not be needed for this internal function
- wxASSERT(m_refData->GetRefCount() == 1);
- wxASSERT(M_BMPDATA->m_pixbuf == NULL);
- M_BMPDATA->m_pixbuf = pixbuf;
- M_BMPDATA->m_width = gdk_pixbuf_get_width(pixbuf);
- M_BMPDATA->m_height = gdk_pixbuf_get_height(pixbuf);
- // if depth specified
- if (depth != 0)
- M_BMPDATA->m_bpp = depth;
- else if (M_BMPDATA->m_bpp == 0)
- // use something reasonable
- M_BMPDATA->m_bpp = wxTheApp->GetGdkVisual()->depth;
- PurgeOtherRepresentations(Pixbuf);
+ return M_BMPDATA->m_pixbuf != NULL;
}
void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
M_BMPDATA->m_pixmap = NULL;
}
}
+#endif
+#ifdef wxHAS_RAW_BITMAP
void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
{
void* bits = NULL;
+#ifdef __WXGTK3__
+ GdkPixbuf* pixbuf = GetPixbufNoMask();
+ if ((bpp == 32) == (gdk_pixbuf_get_has_alpha(pixbuf) != 0))
+ {
+ bits = gdk_pixbuf_get_pixels(pixbuf);
+ wxBitmapRefData* bmpData = M_BMPDATA;
+ data.m_width = bmpData->m_width;
+ data.m_height = bmpData->m_height;
+ data.m_stride = gdk_pixbuf_get_rowstride(pixbuf);
+ if (bmpData->m_pixbufMask)
+ {
+ g_object_unref(bmpData->m_pixbufMask);
+ bmpData->m_pixbufMask = NULL;
+ }
+ if (bmpData->m_surface)
+ {
+ cairo_surface_destroy(bmpData->m_surface);
+ bmpData->m_surface = NULL;
+ }
+ }
+#else
GdkPixbuf *pixbuf = GetPixbuf();
const bool hasAlpha = HasAlpha();
+
// allow access if bpp is valid and matches existence of alpha
- if (pixbuf != NULL && (
- bpp == 24 && !hasAlpha ||
- bpp == 32 && hasAlpha))
+ if ( pixbuf && ((bpp == 24 && !hasAlpha) || (bpp == 32 && hasAlpha)) )
{
data.m_height = gdk_pixbuf_get_height( pixbuf );
data.m_width = gdk_pixbuf_get_width( pixbuf );
data.m_stride = gdk_pixbuf_get_rowstride( pixbuf );
bits = gdk_pixbuf_get_pixels(pixbuf);
}
+#endif
return bits;
}
void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data))
{
}
+#endif // wxHAS_RAW_BITMAP
bool wxBitmap::HasAlpha() const
{
- return m_refData != NULL && M_BMPDATA->m_pixbuf != NULL &&
- gdk_pixbuf_get_has_alpha(M_BMPDATA->m_pixbuf);
+ const wxBitmapRefData* bmpData = M_BMPDATA;
+#ifdef __WXGTK3__
+ return bmpData && bmpData->m_bpp == 32;
+#else
+ return bmpData && (bmpData->m_alphaRequested ||
+ (bmpData->m_pixbuf && gdk_pixbuf_get_has_alpha(bmpData->m_pixbuf)));
+#endif
}
wxGDIRefData* wxBitmap::CreateGDIRefData() const
{
- return new wxBitmapRefData;
+ return new wxBitmapRefData(0, 0, 0);
}
wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const
{
- const wxBitmapRefData* oldRef = wx_static_cast(const wxBitmapRefData*, data);
- wxBitmapRefData* newRef = new wxBitmapRefData;
- newRef->m_width = oldRef->m_width;
- newRef->m_height = oldRef->m_height;
- newRef->m_bpp = oldRef->m_bpp;
+ const wxBitmapRefData* oldRef = static_cast<const wxBitmapRefData*>(data);
+ wxBitmapRefData * const newRef = new wxBitmapRefData(oldRef->m_width,
+ oldRef->m_height,
+ oldRef->m_bpp);
+#ifdef __WXGTK3__
+ if (oldRef->m_pixbufNoMask)
+ newRef->m_pixbufNoMask = gdk_pixbuf_copy(oldRef->m_pixbufNoMask);
+ if (oldRef->m_surface)
+ {
+ const int w = oldRef->m_width;
+ const int h = oldRef->m_height;
+ cairo_surface_t* surface = cairo_image_surface_create(
+ cairo_image_surface_get_format(oldRef->m_surface), w, h);
+ newRef->m_surface = surface;
+ cairo_surface_flush(oldRef->m_surface);
+ const guchar* src = cairo_image_surface_get_data(oldRef->m_surface);
+ guchar* dst = cairo_image_surface_get_data(surface);
+ const int stride = cairo_image_surface_get_stride(surface);
+ wxASSERT(stride == cairo_image_surface_get_stride(oldRef->m_surface));
+ memcpy(dst, src, stride * h);
+ cairo_surface_mark_dirty(surface);
+ }
+#else
if (oldRef->m_pixmap != NULL)
{
newRef->m_pixmap = gdk_pixmap_new(
oldRef->m_pixmap, oldRef->m_width, oldRef->m_height,
// use pixmap depth, m_bpp may not match
gdk_drawable_get_depth(oldRef->m_pixmap));
- GdkGC* gc = gdk_gc_new(newRef->m_pixmap);
+ wxGtkObject<GdkGC> gc(gdk_gc_new(newRef->m_pixmap));
gdk_draw_drawable(
newRef->m_pixmap, gc, oldRef->m_pixmap, 0, 0, 0, 0, -1, -1);
- g_object_unref(gc);
}
if (oldRef->m_pixbuf != NULL)
{
newRef->m_pixbuf = gdk_pixbuf_copy(oldRef->m_pixbuf);
}
+#endif
if (oldRef->m_mask != NULL)
{
- newRef->m_mask = new wxMask;
- newRef->m_mask->m_bitmap = gdk_pixmap_new(
- oldRef->m_mask->m_bitmap, oldRef->m_width, oldRef->m_height, 1);
- GdkGC* gc = gdk_gc_new(newRef->m_mask->m_bitmap);
- gdk_draw_drawable(newRef->m_mask->m_bitmap,
- gc, oldRef->m_mask->m_bitmap, 0, 0, 0, 0, -1, -1);
- g_object_unref(gc);
+ newRef->m_mask = new wxMask(*oldRef->m_mask);
}
-#if wxUSE_PALETTE
- // implement this if SetPalette is ever implemented
- wxASSERT(oldRef->m_palette == NULL);
-#endif
return newRef;
}
projects / wxWidgets.git / blobdiff