X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/54195d23c25f085dc05f4a376ac638a690d8f7fa..4e15d1caa03346c126015019c1fdf093033ef40b:/src/gtk/bitmap.cpp diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp index 4519ea932e..a551b04a28 100644 --- a/src/gtk/bitmap.cpp +++ b/src/gtk/bitmap.cpp @@ -21,11 +21,13 @@ #include "wx/rawbmp.h" #include "wx/gtk/private/object.h" +#include "wx/gtk/private.h" #include 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); @@ -67,6 +69,7 @@ static void MaskToAlpha(GdkPixmap* mask, GdkPixbuf* pixbuf, int w, int h) } g_object_unref(mask_pixbuf); } +#endif //----------------------------------------------------------------------------- // wxMask @@ -81,6 +84,21 @@ wxMask::wxMask() 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; @@ -94,6 +112,7 @@ wxMask::wxMask(const wxMask& mask) wxGtkObject 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 ) @@ -116,7 +135,11 @@ wxMask::wxMask( const wxBitmap& bitmap ) InitFromMonoBitmap(bitmap); } +#ifdef __WXGTK3__ +wxMask::wxMask(cairo_surface_t* bitmap) +#else wxMask::wxMask(GdkPixmap* bitmap) +#endif { m_bitmap = bitmap; } @@ -124,14 +147,24 @@ wxMask::wxMask(GdkPixmap* bitmap) wxMask::~wxMask() { if (m_bitmap) + { +#ifdef __WXGTK3__ + cairo_surface_destroy(m_bitmap); +#else g_object_unref (m_bitmap); +#endif + } } void wxMask::FreeData() { if (m_bitmap) { +#ifdef __WXGTK3__ + cairo_surface_destroy(m_bitmap); +#else g_object_unref (m_bitmap); +#endif m_bitmap = NULL; } } @@ -141,6 +174,29 @@ 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 @@ -192,6 +248,7 @@ bool wxMask::InitFromColour(const wxBitmap& bitmap, const wxColour& colour) } m_bitmap = gdk_bitmap_create_from_data(wxGetRootWindow()->window, (char*)out, w, h); delete[] out; +#endif return true; } @@ -201,6 +258,9 @@ bool wxMask::InitFromMonoBitmap(const wxBitmap& bitmap) 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; @@ -208,11 +268,16 @@ bool wxMask::InitFromMonoBitmap(const wxBitmap& bitmap) wxGtkObject 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()); +#endif return true; } +#ifdef __WXGTK3__ +cairo_surface_t* wxMask::GetBitmap() const +#else GdkPixmap* wxMask::GetBitmap() const +#endif { return m_bitmap; } @@ -229,15 +294,22 @@ public: 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; +#ifndef __WXGTK3__ bool m_alphaRequested; +#endif -private: // 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 @@ -247,23 +319,43 @@ private: wxBitmapRefData::wxBitmapRefData(int width, int height, int depth) { +#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; } @@ -290,7 +382,30 @@ wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) wxASSERT(depth == 1); if (width > 0 && height > 0 && depth == 1) { - SetPixmap(gdk_bitmap_create_from_data(wxGetRootWindow()->window, bits, width, height)); + 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 } } @@ -298,15 +413,33 @@ wxBitmap::wxBitmap(const char* const* bits) { 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(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, const_cast(bits))); - if (!M_BMPDATA) - return; - - if (M_BMPDATA->m_pixmap != NULL && mask != NULL) + GdkPixmap* pixmap = gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, const_cast(bits)); + if (pixmap) { - M_BMPDATA->m_mask = new wxMask(mask); + 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 } wxBitmap::wxBitmap(GdkPixbuf* pixbuf) @@ -317,7 +450,11 @@ wxBitmap::wxBitmap(GdkPixbuf* pixbuf) gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf), gdk_pixbuf_get_n_channels(pixbuf) * 8); m_refData = bmpData; +#ifdef __WXGTK3__ + bmpData->m_pixbufNoMask = pixbuf; +#else bmpData->m_pixbuf = pixbuf; +#endif } } @@ -333,22 +470,110 @@ bool wxBitmap::Create( int width, int height, int depth ) return true; } -#if wxUSE_IMAGE +#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) + { + 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 + { + for (int j = 0; j < h; j++, src += srcStride, dst += dstStride) + { + 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]; + } + } + } + } +} +#endif -bool wxBitmap::CreateFromImage(const wxImage& image, int depth) +#if wxUSE_IMAGE +#ifdef __WXGTK3__ +wxBitmap::wxBitmap(const wxImage& image, int depth) { - UnRef(); + wxCHECK_RET(image.IsOk(), "invalid image"); + + 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(); - wxCHECK_MSG( image.IsOk(), false, wxT("invalid image") ); + 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 (image.GetWidth() <= 0 || image.GetHeight() <= 0) - return false; + if (depth == 32 && alpha) + { + 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); + } +} +#else +wxBitmap::wxBitmap(const wxImage& image, int depth) +{ + wxCHECK_RET(image.IsOk(), "invalid image"); if (depth == 32 || (depth == -1 && image.HasAlpha())) - return CreateFromImageAsPixbuf(image); - - // otherwise create pixmap, if alpha is present it will be converted to mask - return CreateFromImageAsPixmap(image, depth); + 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) @@ -463,9 +688,72 @@ bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image) return true; } +#endif wxImage wxBitmap::ConvertToImage() const { +#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->GetBitmap(); + 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(); @@ -560,6 +848,7 @@ wxImage wxBitmap::ConvertToImage() const } g_object_unref(image_mask); } +#endif return image; } @@ -603,12 +892,77 @@ void wxBitmap::SetMask( wxMask *mask ) M_BMPDATA->m_mask = mask; } +wxBitmap wxBitmap::GetMaskBitmap() const +{ + wxBitmap bitmap; + wxBitmapRefData* bmpData = M_BMPDATA; +#ifdef __WXGTK3__ + cairo_surface_t* mask = NULL; + if (bmpData && bmpData->m_mask) + mask = bmpData->m_mask->GetBitmap(); + if (mask) + { + 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); + } +#else + GdkPixmap* mask = NULL; + if (bmpData && bmpData->m_mask) + mask = bmpData->m_mask->GetBitmap(); + if (mask) + { + int w, h; + gdk_drawable_get_size(mask, &w, &h); + GdkPixbuf* pixbuf = gdk_pixbuf_get_from_drawable( + NULL, mask, NULL, 0, 0, 0, 0, w, h); + bitmap = wxBitmap(pixbuf); + } +#endif + return bitmap; +} + bool wxBitmap::CopyFromIcon(const wxIcon& icon) { *this = icon; 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; @@ -627,6 +981,25 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const 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_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 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->GetBitmap(); + if (maskSurf) + { + newRef->m_mask = new wxMask(GetSubSurface(maskSurf, rect)); + } +#else if (bmpData->m_pixbuf) { GdkPixbuf* pixbuf = @@ -654,6 +1027,7 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const sub_mask, gc, mask, rect.x, rect.y, 0, 0, w, h); g_object_unref(gc); } +#endif return ret; } @@ -677,7 +1051,7 @@ bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalett default: break; } return type_name && - gdk_pixbuf_save(GetPixbuf(), name.fn_str(), type_name, NULL, NULL); + gdk_pixbuf_save(GetPixbuf(), wxGTK_CONV_FN(name), type_name, NULL, NULL); } bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) @@ -691,7 +1065,7 @@ bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) { wxUnusedVar(type); // The type is detected automatically by GDK. - *this = wxBitmap(gdk_pixbuf_new_from_file(name.fn_str(), NULL)); + *this = wxBitmap(gdk_pixbuf_new_from_file(wxGTK_CONV_FN(name), NULL)); } return IsOk(); @@ -727,6 +1101,7 @@ void wxBitmap::SetDepth( int depth ) M_BMPDATA->m_bpp = depth; } +#ifndef __WXGTK3__ void wxBitmap::SetPixmap( GdkPixmap *pixmap ) { UnRef(); @@ -781,12 +1156,185 @@ bool wxBitmap::HasPixmap() const return M_BMPDATA->m_pixmap != NULL; } +#endif + +#ifdef __WXGTK3__ +GdkPixbuf* wxBitmap::GetPixbufNoMask() const +{ + wxCHECK_MSG(IsOk(), NULL, "invalid bitmap"); + + 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)); + + return pixbuf; +} + +// 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 + { + 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); +} + +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); + } +} + +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); + } + } + 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; +} + +void wxBitmap::Draw(cairo_t* cr, int x, int y, bool useMask, const wxColour* fg, const wxColour* bg) const +{ + 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->GetBitmap(); + if (mask) + cairo_mask_surface(cr, mask, x, y); + else + cairo_paint(cr); +} +#endif 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->GetBitmap(); + 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; @@ -802,8 +1350,10 @@ GdkPixbuf *wxBitmap::GetPixbuf() const if (mask) MaskToAlpha(mask, bmpData->m_pixbuf, w, h); return bmpData->m_pixbuf; +#endif } +#ifndef __WXGTK3__ bool wxBitmap::HasPixbuf() const { wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") ); @@ -824,11 +1374,33 @@ 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(); @@ -840,6 +1412,7 @@ void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp) data.m_stride = gdk_pixbuf_get_rowstride( pixbuf ); bits = gdk_pixbuf_get_pixels(pixbuf); } +#endif return bits; } @@ -851,8 +1424,12 @@ void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data)) bool wxBitmap::HasAlpha() const { 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 @@ -866,6 +1443,25 @@ wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const 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( @@ -880,6 +1476,7 @@ wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const { newRef->m_pixbuf = gdk_pixbuf_copy(oldRef->m_pixbuf); } +#endif if (oldRef->m_mask != NULL) { newRef->m_mask = new wxMask(*oldRef->m_mask);