X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/04ab8b6ddfa26fbabeadad36966a21a42fe649b1..12bb29f5432174ecbd65549bda832d70d34a98ae:/src/gtk/dc.cpp diff --git a/src/gtk/dc.cpp b/src/gtk/dc.cpp index be84d8994e..52abd3b2be 100644 --- a/src/gtk/dc.cpp +++ b/src/gtk/dc.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dc.cpp +// Name: src/gtk/dc.cpp // Purpose: // Author: Robert Roebling // RCS-ID: $Id$ @@ -10,15 +10,362 @@ // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" -#include "wx/dc.h" +#ifdef __WXGTK3__ +#include "wx/window.h" +#include "wx/dcclient.h" +#include "wx/dcmemory.h" +#include "wx/dcscreen.h" +#include "wx/icon.h" +#include "wx/gtk/dc.h" + +#include + +wxGTKCairoDCImpl::wxGTKCairoDCImpl(wxDC* owner) + : base_type(owner) +{ + m_width = 0; + m_height = 0; +} + +wxGTKCairoDCImpl::wxGTKCairoDCImpl(wxDC* owner, int) + : base_type(owner, 0) +{ + m_width = 0; + m_height = 0; +} + +wxGTKCairoDCImpl::wxGTKCairoDCImpl(wxDC* owner, wxWindow* window) + : base_type(owner, 0) +{ + m_window = window; + m_font = window->GetFont(); + m_textForegroundColour = window->GetForegroundColour(); + m_textBackgroundColour = window->GetBackgroundColour(); + m_width = 0; + m_height = 0; +} + +void wxGTKCairoDCImpl::DoDrawBitmap(const wxBitmap& bitmap, int x, int y, bool useMask) +{ + wxCHECK_RET(IsOk(), "invalid DC"); + + cairo_t* cr = NULL; + if (m_graphicContext) + cr = static_cast(m_graphicContext->GetNativeContext()); + if (cr) + { + cairo_save(cr); + bitmap.Draw(cr, x, y, useMask, &m_textForegroundColour, &m_textBackgroundColour); + cairo_restore(cr); + } +} + +void wxGTKCairoDCImpl::DoDrawIcon(const wxIcon& icon, int x, int y) +{ + DoDrawBitmap(icon, x, y, true); +} + +#if wxUSE_IMAGE +bool wxDoFloodFill(wxDC* dc, int x, int y, const wxColour& col, wxFloodFillStyle style); + +bool wxGTKCairoDCImpl::DoFloodFill(int x, int y, const wxColour& col, wxFloodFillStyle style) +{ + return wxDoFloodFill(GetOwner(), x, y, col, style); +} +#endif + +wxBitmap wxGTKCairoDCImpl::DoGetAsBitmap(const wxRect* /*subrect*/) const +{ + wxFAIL_MSG("DoGetAsBitmap not implemented"); + return wxBitmap(); +} + +bool wxGTKCairoDCImpl::DoGetPixel(int x, int y, wxColour* col) const +{ + if (col) + { + cairo_t* cr = NULL; + if (m_graphicContext) + cr = static_cast(m_graphicContext->GetNativeContext()); + if (cr) + { + cairo_surface_t* surface = cairo_get_target(cr); + x = LogicalToDeviceX(x); + y = LogicalToDeviceY(y); + GdkPixbuf* pixbuf = gdk_pixbuf_get_from_surface(surface, x, y, 1, 1); + if (pixbuf) + { + const guchar* src = gdk_pixbuf_get_pixels(pixbuf); + col->Set(src[0], src[1], src[2]); + g_object_unref(pixbuf); + return true; + } + *col = wxColour(); + } + } + return false; +} + +void wxGTKCairoDCImpl::DoGetSize(int* width, int* height) const +{ + if (width) + *width = m_width; + if (height) + *height = m_height; +} + +bool wxGTKCairoDCImpl::DoStretchBlit(int xdest, int ydest, int dstWidth, int dstHeight, wxDC* source, int xsrc, int ysrc, int srcWidth, int srcHeight, wxRasterOperationMode rop, bool useMask, int xsrcMask, int ysrcMask) +{ + wxCHECK_MSG(IsOk(), false, "invalid DC"); + wxCHECK_MSG(source && source->IsOk(), false, "invalid source DC"); + + cairo_t* cr = NULL; + if (m_graphicContext) + cr = static_cast(m_graphicContext->GetNativeContext()); + cairo_t* cr_src = NULL; + wxGraphicsContext* gc_src = source->GetGraphicsContext(); + if (gc_src) + cr_src = static_cast(gc_src->GetNativeContext()); + + if (cr == NULL || cr_src == NULL) + return false; + + const int xsrc_dev = source->LogicalToDeviceX(xsrc); + const int ysrc_dev = source->LogicalToDeviceY(ysrc); + + cairo_surface_t* surface = cairo_get_target(cr_src); + cairo_surface_flush(surface); + cairo_save(cr); + cairo_translate(cr, xdest, ydest); + cairo_rectangle(cr, 0, 0, dstWidth, dstHeight); + double sx, sy; + source->GetUserScale(&sx, &sy); + cairo_scale(cr, dstWidth / (sx * srcWidth), dstHeight / (sy * srcHeight)); + cairo_set_source_surface(cr, surface, -xsrc_dev, -ysrc_dev); + const wxRasterOperationMode rop_save = m_logicalFunction; + SetLogicalFunction(rop); + cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST); + cairo_surface_t* maskSurf = NULL; + if (useMask) + { + const wxBitmap& bitmap = source->GetImpl()->GetSelectedBitmap(); + if (bitmap.IsOk()) + { + wxMask* mask = bitmap.GetMask(); + if (mask) + maskSurf = *mask; + } + } + if (maskSurf) + { + int xsrcMask_dev = xsrc_dev; + int ysrcMask_dev = ysrc_dev; + if (xsrcMask != -1) + xsrcMask_dev = source->LogicalToDeviceX(xsrcMask); + if (ysrcMask != -1) + ysrcMask_dev = source->LogicalToDeviceY(ysrcMask); + cairo_clip(cr); + cairo_mask_surface(cr, maskSurf, -xsrcMask_dev, -ysrcMask_dev); + } + else + { + cairo_fill(cr); + } + cairo_restore(cr); + m_logicalFunction = rop_save; + return true; +} + +void* wxGTKCairoDCImpl::GetCairoContext() const +{ + cairo_t* cr = NULL; + if (m_graphicContext) + cr = static_cast(m_graphicContext->GetNativeContext()); + if (cr) + cairo_reference(cr); + return cr; +} //----------------------------------------------------------------------------- -// wxDC + +wxWindowDCImpl::wxWindowDCImpl(wxWindowDC* owner, wxWindow* window) + : base_type(owner, window) +{ + GtkWidget* widget = window->m_wxwindow; + if (widget == NULL) + widget = window->m_widget; + GdkWindow* gdkWindow = NULL; + if (widget) + { + gdkWindow = gtk_widget_get_window(widget); + m_ok = true; + } + if (gdkWindow) + { + cairo_t* cr = gdk_cairo_create(gdkWindow); + SetGraphicsContext(wxGraphicsContext::CreateFromNative(cr)); + GtkAllocation a; + gtk_widget_get_allocation(widget, &a); + int x, y; + if (gtk_widget_get_has_window(widget)) + { + m_width = gdk_window_get_width(gdkWindow); + m_height = gdk_window_get_height(gdkWindow); + x = m_width - a.width; + y = m_height - a.height; + } + else + { + m_width = a.width; + m_height = a.height; + x = a.x; + y = a.y; + cairo_rectangle(cr, a.x, a.y, a.width, a.height); + cairo_clip(cr); + } + if (x || y) + SetDeviceLocalOrigin(x, y); + } + else + SetGraphicsContext(wxGraphicsContext::Create()); +} //----------------------------------------------------------------------------- -IMPLEMENT_ABSTRACT_CLASS(wxDC, wxDCBase) +wxClientDCImpl::wxClientDCImpl(wxClientDC* owner, wxWindow* window) + : base_type(owner, window) +{ + GtkWidget* widget = window->m_wxwindow; + if (widget == NULL) + widget = window->m_widget; + GdkWindow* gdkWindow = NULL; + if (widget) + { + gdkWindow = gtk_widget_get_window(widget); + m_ok = true; + } + if (gdkWindow) + { + cairo_t* cr = gdk_cairo_create(gdkWindow); + SetGraphicsContext(wxGraphicsContext::CreateFromNative(cr)); + if (gtk_widget_get_has_window(widget)) + { + m_width = gdk_window_get_width(gdkWindow); + m_height = gdk_window_get_height(gdkWindow); + } + else + { + GtkAllocation a; + gtk_widget_get_allocation(widget, &a); + m_width = a.width; + m_height = a.height; + cairo_rectangle(cr, a.x, a.y, a.width, a.height); + cairo_clip(cr); + SetDeviceLocalOrigin(a.x, a.y); + } + } + else + SetGraphicsContext(wxGraphicsContext::Create()); +} +//----------------------------------------------------------------------------- -wxDC::wxDC() +wxPaintDCImpl::wxPaintDCImpl(wxPaintDC* owner, wxWindow* window) + : base_type(owner, window) +{ + cairo_t* cr = window->GTKPaintContext(); + wxCHECK_RET(cr, "using wxPaintDC without being in a native paint event"); + GdkWindow* gdkWindow = gtk_widget_get_window(window->m_wxwindow); + m_width = gdk_window_get_width(gdkWindow); + m_height = gdk_window_get_height(gdkWindow); + cairo_reference(cr); + SetGraphicsContext(wxGraphicsContext::CreateFromNative(cr)); +} +//----------------------------------------------------------------------------- + +wxScreenDCImpl::wxScreenDCImpl(wxScreenDC* owner) + : base_type(owner, 0) +{ + GdkWindow* window = gdk_get_default_root_window(); + m_width = gdk_window_get_width(window); + m_height = gdk_window_get_height(window); + cairo_t* cr = gdk_cairo_create(window); + SetGraphicsContext(wxGraphicsContext::CreateFromNative(cr)); +} +//----------------------------------------------------------------------------- + +wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC* owner) + : base_type(owner) +{ + m_ok = false; +} + +wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC* owner, wxBitmap& bitmap) + : base_type(owner, 0) + , m_bitmap(bitmap) +{ + Setup(); +} + +wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC* owner, wxDC*) + : base_type(owner) +{ + m_ok = false; +} + +wxBitmap wxMemoryDCImpl::DoGetAsBitmap(const wxRect* subrect) const +{ + return subrect ? m_bitmap.GetSubBitmap(*subrect) : m_bitmap; +} + +void wxMemoryDCImpl::DoSelect(const wxBitmap& bitmap) +{ + m_bitmap = bitmap; + Setup(); +} + +const wxBitmap& wxMemoryDCImpl::GetSelectedBitmap() const +{ + return m_bitmap; +} + +wxBitmap& wxMemoryDCImpl::GetSelectedBitmap() +{ + return m_bitmap; +} + +void wxMemoryDCImpl::Setup() +{ + wxGraphicsContext* gc = NULL; + m_ok = m_bitmap.IsOk(); + if (m_ok) + { + m_width = m_bitmap.GetWidth(); + m_height = m_bitmap.GetHeight(); + cairo_t* cr = m_bitmap.CairoCreate(); + gc = wxGraphicsContext::CreateFromNative(cr); + } + SetGraphicsContext(gc); +} +//----------------------------------------------------------------------------- + +wxGTKCairoDC::wxGTKCairoDC(cairo_t* cr) + : base_type(new wxGTKCairoDCImpl(this, 0)) +{ + cairo_reference(cr); + SetGraphicsContext(wxGraphicsContext::CreateFromNative(cr)); +} + +#else + +#include "wx/gtk/dc.h" + +//----------------------------------------------------------------------------- +// wxGTKDCImpl +//----------------------------------------------------------------------------- + +IMPLEMENT_ABSTRACT_CLASS(wxGTKDCImpl, wxDCImpl) + +wxGTKDCImpl::wxGTKDCImpl( wxDC *owner ) + : wxDCImpl( owner ) { m_ok = FALSE; @@ -27,7 +374,11 @@ wxDC::wxDC() m_brush = *wxWHITE_BRUSH; } -void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) +wxGTKDCImpl::~wxGTKDCImpl() +{ +} + +void wxGTKDCImpl::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord height ) { m_clipping = TRUE; m_clipX1 = x; @@ -40,18 +391,19 @@ void wxDC::DoSetClippingRegion( wxCoord x, wxCoord y, wxCoord width, wxCoord hei // get DC capabilities // --------------------------------------------------------------------------- -void wxDC::DoGetSizeMM( int* width, int* height ) const +void wxGTKDCImpl::DoGetSizeMM( int* width, int* height ) const { int w = 0; int h = 0; - GetSize( &w, &h ); + GetOwner()->GetSize( &w, &h ); if (width) *width = int( double(w) / (m_userScaleX*m_mm_to_pix_x) ); if (height) *height = int( double(h) / (m_userScaleY*m_mm_to_pix_y) ); } // Resolution in pixels per logical inch -wxSize wxDC::GetPPI() const +wxSize wxGTKDCImpl::GetPPI() const { // TODO (should probably be pure virtual) return wxSize(0, 0); } +#endif