#include "wx/gtk/win_gtk.h"
#endif
-#define USE_FREETYPE 1
+#ifndef wxUSE_FREETYPE
+ #define wxUSE_FREETYPE 1
+#endif
-#if USE_FREETYPE
-#include <freetype/freetype.h>
+#if wxUSE_FREETYPE
+ #include <freetype/freetype.h>
#endif
//----------------------------------------------------------------------------
// globals
//----------------------------------------------------------------------------
-#if USE_FREETYPE
+#if wxUSE_FREETYPE
FT_Library g_freetypeLibrary;
#endif
// wxCanvasObject
//----------------------------------------------------------------------------
-wxCanvasObject::wxCanvasObject( int x, int y, int width, int height )
+wxCanvasObject::wxCanvasObject()
{
m_owner = NULL;
+ m_area.x = -1;
+ m_area.y = -1;
+ m_area.width = -1;
+ m_area.height = -1;
+ m_isControl = FALSE;
+ m_isVector = FALSE;
+ m_isImage = FALSE;
+}
+
+void wxCanvasObject::SetArea( int x, int y, int width, int height )
+{
m_area.x = x;
m_area.y = y;
m_area.width = width;
m_area.height = height;
- m_isControl = FALSE;
- m_isVector = FALSE;
- m_isImage = FALSE;
+}
+
+void wxCanvasObject::SetArea( wxRect rect )
+{
+ m_area.x = rect.x;
+ m_area.y = rect.y;
+ m_area.width = rect.width;
+ m_area.height = rect.height;
}
void wxCanvasObject::Move( int x, int y )
{
int old_x = m_area.x;
int old_y = m_area.y;
-
+
m_area.x = x;
m_area.y = y;
-
+
if (!m_isControl)
{
// TODO: sometimes faster to merge into 1 Update or
}
}
+bool wxCanvasObject::IsHit( int x, int y, int margin )
+{
+ return ((x >= m_area.x-margin) &&
+ (x <= m_area.x+m_area.width+margin) &&
+ (y >= m_area.y-margin) &&
+ (y <= m_area.y+m_area.height+margin));
+}
+
+void wxCanvasObject::CaptureMouse()
+{
+ m_owner->SetCaptureMouse( this );
+}
+
+void wxCanvasObject::ReleaseMouse()
+{
+ m_owner->SetCaptureMouse( NULL );
+}
+
+bool wxCanvasObject::IsCapturedMouse()
+{
+ return m_owner->m_captureMouse==this;
+}
+
+
+void wxCanvasObject::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
+{
+}
+
+void wxCanvasObject::Recreate()
+{
+}
+
void wxCanvasObject::WriteSVG( wxTextOutputStream &stream )
{
}
-void wxCanvasObject::Render( int clip_x, int clip_y, int clip_width, int clip_height )
+//----------------------------------------------------------------------------
+// wxCanvasObjectGroup
+//----------------------------------------------------------------------------
+
+wxCanvasObjectGroup::wxCanvasObjectGroup()
+{
+ m_validbounds=false;
+}
+
+void wxCanvasObjectGroup::SetOwner(wxCanvas* canvas)
+{
+ m_owner=canvas;
+ wxNode *node = m_objects.First();
+ while (node)
+ {
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ obj->SetOwner(canvas);
+
+ node = node->Next();
+ }
+}
+
+void wxCanvasObjectGroup::ExtendArea(int x, int y)
+{
+ if (m_validbounds)
+ {
+ if ( x < m_minx ) m_minx = x;
+ if ( y < m_miny ) m_miny = y;
+ if ( x > m_maxx ) m_maxx = x;
+ if ( y > m_maxy ) m_maxy = y;
+ }
+ else
+ {
+ m_validbounds = true;
+
+ m_minx = x;
+ m_miny = y;
+ m_maxx = x;
+ m_maxy = y;
+ }
+
+}
+
+
+void wxCanvasObjectGroup::DeleteContents( bool flag)
+{
+ m_objects.DeleteContents( flag );
+ m_validbounds=false;
+}
+
+
+void wxCanvasObjectGroup::Prepend( wxCanvasObject* obj )
+{
+ m_objects.Insert( obj );
+ m_validbounds=false;
+}
+
+void wxCanvasObjectGroup::Append( wxCanvasObject* obj )
+{
+ m_objects.Append( obj );
+ m_validbounds=false;
+}
+
+void wxCanvasObjectGroup::Insert( size_t before, wxCanvasObject* obj )
+{
+ m_objects.Insert( before, obj );
+ m_validbounds=false;
+}
+
+void wxCanvasObjectGroup::Remove( wxCanvasObject* obj )
+{
+ m_objects.DeleteObject( obj );
+ m_validbounds=false;
+}
+
+void wxCanvasObjectGroup::Recreate()
+{
+ m_validbounds=false;
+ wxNode *node = m_objects.First();
+ while (node)
+ {
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ obj->Recreate();
+ ExtendArea(obj->GetX(),obj->GetY());
+ ExtendArea(obj->GetX()+obj->GetWidth(),obj->GetY()+obj->GetHeight());
+
+ node = node->Next();
+ }
+}
+
+void wxCanvasObjectGroup::Render(int xabs, int yabs, int x, int y, int width, int height )
+{
+ wxImage *image = m_owner->GetBuffer();
+ // cycle through all objects
+ wxNode *node = m_objects.First();
+ while (node)
+ {
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ if (!obj->IsControl())
+ {
+ // If we have 10.000 objects, we will go through
+ // this 10.000 times for each update, so we have
+ // to optimise carefully.
+ int clip_x = xabs + obj->GetX();
+ int clip_width = obj->GetWidth();
+ if (clip_x < x)
+ {
+ clip_width -= x-clip_x;
+ clip_x = x;
+ }
+ if (clip_width > 0)
+ {
+ if (clip_x + clip_width > x + width)
+ clip_width = x+width-clip_x;
+
+ if (clip_width > 0)
+ {
+ int clip_y = yabs + obj->GetY();
+ int clip_height = obj->GetHeight();
+ if (clip_y < y)
+ {
+ clip_height -= y-clip_y;
+ clip_y = y;
+ }
+ if (clip_height > 0)
+ {
+ if (clip_y + clip_height > y + height)
+ clip_height = y+height-clip_y;
+
+ if (clip_height > 0)
+ obj->Render(xabs,yabs, clip_x, clip_y, clip_width, clip_height );
+ }
+ }
+ }
+ }
+
+ node = node->Next();
+ }
+}
+
+void wxCanvasObjectGroup::WriteSVG( wxTextOutputStream &stream )
+{
+}
+
+bool wxCanvasObjectGroup::IsHit( int x, int y, int margin )
+{
+ wxNode *node = m_objects.Last();
+ while (node)
+ {
+ wxCanvasObject *obj = (wxCanvasObject*) node->Data();
+
+ if (!obj->IsControl())
+ {
+ if (obj->IsHit(x,y,margin))
+ {
+ return true;
+ }
+ }
+ node = node->Previous();
+ }
+ return false;
+}
+
+wxCanvasObject* wxCanvasObjectGroup::IsHitObject( int x, int y, int margin )
+{
+ wxCanvasObject *obj=0;
+ wxNode *node = m_objects.Last();
+ while (node)
+ {
+ obj=(wxCanvasObject*) node->Data();
+
+ if (!obj->IsControl())
+ {
+ if (obj->IsHit(x,y,margin))
+ {
+ return obj;
+ }
+ }
+ node = node->Previous();
+ }
+ return 0;
+}
+
+//----------------------------------------------------------------------------
+// wxCanvasObjectGroupRef
+//----------------------------------------------------------------------------
+
+wxCanvasObjectGroupRef::wxCanvasObjectGroupRef(double x, double y, wxCanvasObjectGroup* group)
+ : wxCanvasObject()
+{
+ m_x = x;
+ m_y = y;
+ m_validbounds=false;
+ m_group=group;
+}
+
+void wxCanvasObjectGroupRef::SetOwner(wxCanvas* canvas)
+{
+ m_owner=canvas;
+ m_group->SetOwner(canvas);
+}
+
+void wxCanvasObjectGroupRef::ExtendArea(int x, int y)
+{
+ if (m_validbounds)
+ {
+ if ( x < m_minx ) m_minx = x;
+ if ( y < m_miny ) m_miny = y;
+ if ( x > m_maxx ) m_maxx = x;
+ if ( y > m_maxy ) m_maxy = y;
+ }
+ else
+ {
+ m_validbounds = true;
+
+ m_minx = x;
+ m_miny = y;
+ m_maxx = x;
+ m_maxy = y;
+ }
+
+}
+
+void wxCanvasObjectGroupRef::Recreate()
+{
+ m_validbounds=false;
+ m_group->Recreate();
+ ExtendArea(m_group->GetXMin(),m_group->GetYMin());
+ ExtendArea(m_group->GetXMax(),m_group->GetYMax());
+
+ //set the area in pixels relative to the parent
+ SetArea( m_owner->GetDeviceX( m_x + m_minx ),
+ m_owner->GetDeviceY( m_y + m_miny ),
+ m_owner->GetDeviceWidth( m_maxx-m_minx ),
+ m_owner->GetDeviceHeight( m_maxy-m_miny ) );
+}
+
+void wxCanvasObjectGroupRef::Render(int xabs, int yabs, int x, int y, int width, int height )
+{
+ wxImage *image = m_owner->GetBuffer();
+ xabs+=m_owner->GetDeviceX(GetPosX());
+ yabs+=m_owner->GetDeviceY(GetPosY());
+
+ int clip_x = xabs + m_group->GetXMin();
+ int clip_width = m_group->GetXMax()-m_group->GetXMin();
+ if (clip_x < x)
+ {
+ clip_width -= x-clip_x;
+ clip_x = x;
+ }
+ if (clip_width > 0)
+ {
+ if (clip_x + clip_width > x + width)
+ clip_width = x+width-clip_x;
+
+ if (clip_width > 0)
+ {
+ int clip_y = yabs + m_group->GetYMin();
+ int clip_height = m_group->GetYMax()-m_group->GetYMin();
+ if (clip_y < y)
+ {
+ clip_height -= y-clip_y;
+ clip_y = y;
+ }
+ if (clip_height > 0)
+ {
+ if (clip_y + clip_height > y + height)
+ clip_height = y+height-clip_y;
+
+ if (clip_height > 0)
+ m_group->Render(xabs,yabs, clip_x, clip_y, clip_width, clip_height );
+ }
+ }
+ }
+}
+
+void wxCanvasObjectGroupRef::WriteSVG( wxTextOutputStream &stream )
+{
+}
+
+bool wxCanvasObjectGroupRef::IsHit( int x, int y, int margin )
{
+ return m_group->IsHit(x-GetPosX(),y-GetPosY(),margin);
}
+wxCanvasObject* wxCanvasObjectGroupRef::IsHitObject( int x, int y, int margin )
+{
+ return m_group->IsHitObject(x-GetPosX(),y-GetPosY(),margin);
+}
+
+void wxCanvasObjectGroupRef::Move( int x, int y )
+{
+ int old_x = m_x;
+ int old_y = m_y;
+
+ m_x = x;
+ m_y = y;
+
+ if (!m_isControl)
+ {
+ // TODO: sometimes faster to merge into 1 Update or
+ // to break up into four
+ m_owner->Update(m_area.x, m_area.y, m_area.width, m_area.height );
+ //calculate the new area in pixels relative to the parent
+ SetArea( m_owner->GetDeviceX( m_x + m_minx ),
+ m_owner->GetDeviceY( m_y + m_miny ),
+ m_owner->GetDeviceWidth( m_maxx-m_minx ),
+ m_owner->GetDeviceHeight( m_maxy-m_miny ) );
+ m_owner->Update( m_area.x, m_area.y, m_area.width, m_area.height );
+ }
+}
+
+
//----------------------------------------------------------------------------
// wxCanvasRect
//----------------------------------------------------------------------------
-wxCanvasRect::wxCanvasRect( int x, int y, int w, int h, unsigned char red, unsigned char green, unsigned char blue )
- : wxCanvasObject( x, y, w, h )
+wxCanvasRect::wxCanvasRect( double x, double y, double w, double h,
+ unsigned char red, unsigned char green, unsigned char blue )
+ : wxCanvasObject()
{
+ m_x = x;
+ m_y = y;
+ m_width = w;
+ m_height = h;
+
m_red = red;
m_green = green;
m_blue = blue;
}
-void wxCanvasRect::Render( int clip_x, int clip_y, int clip_width, int clip_height )
+void wxCanvasRect::Recreate()
+{
+ SetArea( m_owner->GetDeviceX( m_x ),
+ m_owner->GetDeviceY( m_y ),
+ m_owner->GetDeviceWidth( m_width ),
+ m_owner->GetDeviceHeight( m_height ) );
+}
+
+void wxCanvasRect::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
{
wxImage *image = m_owner->GetBuffer();
+ int buffer_x = m_owner->GetBufferX();
+ int buffer_y = m_owner->GetBufferY();
+
+ int start_y = clip_y - buffer_y;
+ int end_y = clip_y+clip_height - buffer_y;
+
+ int start_x = clip_x - buffer_x;
+ int end_x = clip_x+clip_width - buffer_x;
+
// speed up later
- for (int y = clip_y; y < clip_y+clip_height; y++)
- for (int x = clip_x; x < clip_x+clip_width; x++)
+ for (int y = start_y; y < end_y; y++)
+ for (int x = start_x; x < end_x; x++)
image->SetRGB( x, y, m_red, m_green, m_blue );
}
{
}
+//----------------------------------------------------------------------------
+// wxCanvasLine
+//----------------------------------------------------------------------------
+
+wxCanvasLine::wxCanvasLine( double x1, double y1, double x2, double y2,
+ unsigned char red, unsigned char green, unsigned char blue )
+ : wxCanvasObject()
+{
+ m_x1 = x1;
+ m_y1 = y1;
+ m_x2 = x2;
+ m_y2 = y2;
+
+ m_red = red;
+ m_green = green;
+ m_blue = blue;
+}
+
+void wxCanvasLine::Recreate()
+{
+ int x1 = m_owner->GetDeviceX( m_x1 );
+ int y1 = m_owner->GetDeviceY( m_y1 );
+ int x2 = m_owner->GetDeviceX( m_x2 );
+ int y2 = m_owner->GetDeviceY( m_y2 );
+ if (x1 > x2)
+ {
+ int tmp = x1;
+ x1 = x2;
+ x2 = tmp;
+ }
+ if (y1 > y2)
+ {
+ int tmp = y1;
+ y1 = y2;
+ y2 = tmp;
+ }
+ SetArea( x1, y1, x2-x1+1, y2-y1+1 );
+}
+
+void wxCanvasLine::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
+{
+ wxImage *image = m_owner->GetBuffer();
+ int buffer_x = m_owner->GetBufferX();
+ int buffer_y = m_owner->GetBufferY();
+
+ if ((m_area.width == 0) && (m_area.height == 0))
+ {
+ image->SetRGB( m_area.x-buffer_x, m_area.y-buffer_y, m_red, m_green, m_blue );
+ }
+ else
+ {
+ int x1 = xabs + m_owner->GetDeviceX( m_x1 );
+ int y1 = yabs + m_owner->GetDeviceY( m_y1 );
+ int x2 = xabs + m_owner->GetDeviceX( m_x2 );
+ int y2 = yabs + m_owner->GetDeviceY( m_y2 );
+
+ wxInt32 d, ii, jj, di, ai, si, dj, aj, sj;
+ di = x1 - x2;
+ ai = abs(di) << 1;
+ si = (di < 0)? -1 : 1;
+ dj = y1 - y2;
+ aj = abs(dj) << 1;
+ sj = (dj < 0)? -1 : 1;
+
+ ii = x2;
+ jj = y2;
+
+ if (ai > aj)
+ {
+ // iterate over i
+ d = aj - (ai >> 1);
+
+ while (ii != x1)
+ {
+ if ((ii >= clip_x) && (ii < clip_x+clip_width) &&
+ (jj >= clip_y) && (jj < clip_y+clip_height))
+ {
+ image->SetRGB( ii-buffer_x, jj-buffer_y, m_red, m_blue, m_green );
+ }
+ if (d >= 0)
+ {
+ jj += sj;
+ d -= ai;
+ }
+ ii += si;
+ d += aj;
+ }
+ }
+ else
+ {
+ // iterate over j
+ d = ai - (aj >> 1);
+
+ while (jj != y1)
+ {
+ if ((ii >= clip_x) && (ii < clip_x+clip_width) &&
+ (jj >= clip_y) && (jj < clip_y+clip_height))
+ {
+ image->SetRGB( ii-buffer_x, jj-buffer_y, m_red, m_blue, m_green );
+ }
+ if (d >= 0)
+ {
+ ii += si;
+ d -= aj;
+ }
+ jj += sj;
+ d += ai;
+ }
+ }
+ }
+}
+
+void wxCanvasLine::WriteSVG( wxTextOutputStream &stream )
+{
+ // no idea
+}
+
//----------------------------------------------------------------------------
// wxCanvasImage
//----------------------------------------------------------------------------
-wxCanvasImage::wxCanvasImage( const wxImage &image, int x, int y )
- : wxCanvasObject( x, y, image.GetWidth(), image.GetHeight() )
+wxCanvasImage::wxCanvasImage( const wxImage &image, double x, double y, double w, double h )
+ : wxCanvasObject()
{
+ m_x = x;
+ m_y = y;
+ m_width = w;
+ m_height = h;
+
m_image = image;
m_isImage = TRUE;
}
-void wxCanvasImage::Render( int clip_x, int clip_y, int clip_width, int clip_height )
+void wxCanvasImage::Recreate()
{
- if ((clip_x == m_area.x) &&
- (clip_y == m_area.y) &&
+ SetArea( m_owner->GetDeviceX( m_x ),
+ m_owner->GetDeviceY( m_y ),
+ m_owner->GetDeviceWidth( m_width ),
+ m_owner->GetDeviceHeight( m_height ) );
+
+ if ((m_area.width == m_image.GetWidth()) &&
+ (m_area.width == m_image.GetWidth()))
+ m_tmp = m_image;
+ else
+ m_tmp = m_image.Scale( m_area.width, m_area.height );
+}
+
+void wxCanvasImage::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
+{
+ int buffer_x = m_owner->GetBufferX();
+ int buffer_y = m_owner->GetBufferY();
+
+ if ((clip_x == xabs + m_area.x) &&
+ (clip_y == yabs + m_area.y) &&
(clip_width == m_area.width) &&
(clip_height == m_area.height))
{
- m_owner->GetBuffer()->Paste( m_image, clip_x, clip_y );
+ m_owner->GetBuffer()->Paste( m_tmp, clip_x-buffer_x, clip_y-buffer_y );
}
else
{
// local coordinates
- int start_x = clip_x - m_area.x;
- int start_y = clip_y - m_area.y;
-
+ int start_x = clip_x - (xabs + m_area.x);
+ int start_y = clip_y - (yabs + m_area.y);
+
wxRect rect( start_x, start_y, clip_width, clip_height );
- wxImage sub_image( m_image.GetSubImage( rect ) );
- m_owner->GetBuffer()->Paste( sub_image, clip_x, clip_y );
+ wxImage sub_image( m_tmp.GetSubImage( rect ) );
+ m_owner->GetBuffer()->Paste( sub_image, clip_x-buffer_x, clip_y-buffer_y );
}
}
//----------------------------------------------------------------------------
wxCanvasControl::wxCanvasControl( wxWindow *control )
- : wxCanvasObject( -1, -1, -1, -1 )
+ : wxCanvasObject()
{
m_isControl = TRUE;
m_control = control;
- UpdateSize();
}
wxCanvasControl::~wxCanvasControl()
m_control->Destroy();
}
-void wxCanvasControl::Move( int x, int y )
+void wxCanvasControl::Recreate()
{
- m_control->Move( x, y );
+ m_control->GetSize( &m_area.width, &m_area.height );
+ m_control->GetPosition( &m_area.x, &m_area.y );
}
-void wxCanvasControl::UpdateSize()
+void wxCanvasControl::Move( int x, int y )
{
- m_control->GetSize( &m_area.width, &m_area.height );
- m_control->GetPosition( &m_area.x, &m_area.y );
+ m_control->Move( x, y );
}
//----------------------------------------------------------------------------
class wxFaceData
{
public:
-#if USE_FREETYPE
+#if wxUSE_FREETYPE
FT_Face m_face;
#else
void *m_dummy;
-#endif
+#endif
};
-wxCanvasText::wxCanvasText( const wxString &text, int x, int y, const wxString &fontFile, int size )
- : wxCanvasObject( x, y, -1, -1 )
+wxCanvasText::wxCanvasText( const wxString &text, double x, double y, const wxString &fontFile, int size )
+ : wxCanvasObject()
{
m_text = text;
m_fontFileName = fontFile;
m_size = size;
-
+
m_red = 0;
m_green = 0;
m_blue = 0;
-
- // test
- m_area.width = 100;
- m_area.height = m_size;
- m_alpha = new unsigned char[100*m_size];
- memset( m_alpha, 0, m_area.width*m_area.height );
-
-#if USE_FREETYPE
+
+ m_alpha = NULL;
+
+ m_x = x;
+ m_y = y;
+
+#if wxUSE_FREETYPE
wxFaceData *data = new wxFaceData;
m_faceData = data;
-
+
int error = FT_New_Face( g_freetypeLibrary,
m_fontFileName,
0,
m_size*64,
96, // screen dpi
96 );
- CreateBuffer();
#endif
}
wxCanvasText::~wxCanvasText()
{
-#if USE_FREETYPE
+#if wxUSE_FREETYPE
wxFaceData *data = (wxFaceData*) m_faceData;
delete data;
#endif
m_flag = flag;
}
-void wxCanvasText::Render( int clip_x, int clip_y, int clip_width, int clip_height )
+void wxCanvasText::Render(int xabs, int yabs, int clip_x, int clip_y, int clip_width, int clip_height )
{
if (!m_alpha) return;
-
+
wxImage *image = m_owner->GetBuffer();
+ int buffer_x = m_owner->GetBufferX();
+ int buffer_y = m_owner->GetBufferY();
// local coordinates
int start_x = clip_x - m_area.x;
int end_x = clip_width + start_x;
int start_y = clip_y - m_area.y;
int end_y = clip_height + start_y;
-
+
for (int y = start_y; y < end_y; y++)
for (int x = start_x; x < end_x; x++)
{
int alpha = m_alpha[y*m_area.width + x];
if (alpha)
{
- int image_x = m_area.x+x;
- int image_y = m_area.y+y;
+ int image_x = m_area.x+x - buffer_x;
+ int image_y = m_area.y+y - buffer_y;
if (alpha == 255)
{
image->SetRGB( image_x, image_y, m_red, m_green, m_blue );
int red1 = (m_red * alpha) / 255;
int green1 = (m_green * alpha) / 255;
int blue1 = (m_blue * alpha) / 255;
-
+
alpha = 255-alpha;
int red2 = image->GetRed( image_x, image_y );
int green2 = image->GetGreen( image_x, image_y );
red2 = (red2 * alpha) / 255;
green2 = (green2 * alpha) / 255;
blue2 = (blue2 * alpha) / 255;
-
+
image->SetRGB( image_x, image_y, red1+red2, green1+green2, blue1+blue2 );
}
}
{
}
-void wxCanvasText::CreateBuffer()
+void wxCanvasText::Recreate()
{
-#if USE_FREETYPE
+ if (m_alpha) delete [] m_alpha;
+
+ m_area.x = m_owner->GetDeviceX( m_x );
+ m_area.y = m_owner->GetDeviceY( m_y );
+
+ m_area.width = 100; // TODO, calculate length
+ m_area.height = m_size;
+ m_alpha = new unsigned char[100*m_size];
+ memset( m_alpha, 0, m_area.width*m_area.height );
+
+#if wxUSE_FREETYPE
FT_Face face = ((wxFaceData*)m_faceData)->m_face;
FT_GlyphSlot slot = face->glyph;
int pen_x = 0;
int pen_y = m_size;
-
+
for (int n = 0; n < (int)m_text.Len(); n++)
{
FT_UInt index = FT_Get_Char_Index( face, m_text[n] );
-
+
int error = FT_Load_Glyph( face, index, FT_LOAD_DEFAULT );
if (error) continue;
-
+
error = FT_Render_Glyph( face->glyph, ft_render_mode_normal );
if (error) continue;
-
+
FT_Bitmap *bitmap = &slot->bitmap;
unsigned char* buffer = bitmap->buffer;
for (int y = 0; y < bitmap->rows; y++)
{
unsigned char alpha = buffer[ y*bitmap->pitch + x ];
if (alpha == 0) continue;
-
+
int xx = pen_x + slot->bitmap_left + x;
int yy = pen_y - slot->bitmap_top + y;
m_alpha[ yy * m_area.width + xx ] = alpha;
}
-
+
pen_x += slot->advance.x >> 6;
pen_y += slot->advance.y >> 6;
- }
+ }
#endif
}
EVT_MOUSE_EVENTS( wxCanvas::OnMouse )
EVT_SET_FOCUS( wxCanvas::OnSetFocus )
EVT_KILL_FOCUS( wxCanvas::OnKillFocus )
+ EVT_ERASE_BACKGROUND( wxCanvas::OnEraseBackground )
END_EVENT_TABLE()
wxCanvas::wxCanvas( wxWindow *parent, wxWindowID id,
const wxPoint &position, const wxSize& size, long style ) :
wxScrolledWindow( parent, id, position, size, style )
{
+ m_bufferX = 0;
+ m_bufferY = 0;
m_needUpdate = FALSE;
- m_objects.DeleteContents( TRUE );
m_red = 0;
m_green = 0;
m_blue = 0;
+ m_lastMouse = (wxCanvasObject*)NULL;
+ m_captureMouse = (wxCanvasObject*)NULL;
+ m_frozen = TRUE;
+ m_requestNewBuffer = TRUE;
+
+ //root group always at 0,0
+ m_root = new wxCanvasObjectGroup();
+ m_root->DeleteContents( TRUE );
+ m_root->SetOwner(this);
}
wxCanvas::~wxCanvas()
void wxCanvas::SetArea( int width, int height )
{
- m_buffer = wxImage( width, height );
SetScrollbars( 10, 10, width/10, height/10 );
}
m_red = red;
m_green = green;
m_blue = blue;
-
+
+ SetBackgroundColour( wxColour( red, green, blue ) );
+
+ if (m_frozen) return;
+
unsigned char *data = m_buffer.GetData();
-
+
for (int y = 0; y < m_buffer.GetHeight(); y++)
for (int x = 0; x < m_buffer.GetWidth(); x++)
{
}
}
-void wxCanvas::Update( int x, int y, int width, int height )
+void wxCanvas::SetCaptureMouse( wxCanvasObject *obj )
+{
+ if (obj)
+ {
+ wxWindow::CaptureMouse();
+ m_captureMouse = obj;
+ }
+ else
+ {
+ wxWindow::ReleaseMouse();
+ m_captureMouse = NULL;
+ }
+}
+
+void wxCanvas::Freeze()
+{
+ m_frozen = TRUE;
+}
+
+void wxCanvas::Thaw()
+{
+ wxNode *node = m_updateRects.First();
+ while (node)
+ {
+ wxRect *rect = (wxRect*) node->Data();
+ delete rect;
+ m_updateRects.DeleteNode( node );
+ node = m_updateRects.First();
+ }
+
+ m_frozen = FALSE;
+
+ if (m_buffer.Ok())
+ Update( m_bufferX, m_bufferY, m_buffer.GetWidth(), m_buffer.GetHeight() );
+}
+
+void wxCanvas::Update( int x, int y, int width, int height, bool blit )
{
+ if (m_frozen) return;
+
// clip to buffer
- if (x < 0)
+ if (x < m_bufferX)
{
- width -= x;
- x = 0;
+ width -= m_bufferX-x;
+ x = m_bufferX;
}
if (width < 0) return;
-
- if (y < 0)
+
+ if (y < m_bufferY)
{
- height -= y;
- y = 0;
+ height -= m_bufferY-y;
+ y = m_bufferY;
}
if (height < 0) return;
-
- if (x+width > m_buffer.GetWidth())
+
+ if (x+width > m_bufferX+m_buffer.GetWidth())
{
- width = m_buffer.GetWidth() - x;
+ width = m_bufferX+m_buffer.GetWidth() - x;
}
if (width < 0) return;
-
- if (y+height > m_buffer.GetHeight())
+
+ if (y+height > m_bufferY+m_buffer.GetHeight())
{
- height = m_buffer.GetHeight() - y;
+ height = m_bufferY+m_buffer.GetHeight() - y;
}
if (height < 0) return;
-
+
// update is within the buffer
m_needUpdate = TRUE;
-
+
// has to be blitted to screen later
- m_updateRects.Append(
- (wxObject*) new wxRect( x,y,width,height ) );
-
+ if (blit)
+ {
+ m_updateRects.Append(
+ (wxObject*) new wxRect( x,y,width,height ) );
+ }
+
// speed up with direct access, maybe add wxImage::Clear(x,y,w,h,r,g,b)
- for (int yy = y; yy < y+height; yy++)
- for (int xx = x; xx < x+width; xx++)
+ int start_y = y - m_bufferY;
+ int end_y = y+height - m_bufferY;
+ int start_x = x - m_bufferX;
+ int end_x = x+width - m_bufferX;
+ for (int yy = start_y; yy < end_y; yy++)
+ for (int xx = start_x; xx < end_x; xx++)
m_buffer.SetRGB( xx, yy, m_red, m_green, m_blue );
- // cycle through all objects
- wxNode *node = m_objects.First();
- while (node)
- {
- wxCanvasObject *obj = (wxCanvasObject*) node->Data();
-
- if (!obj->IsControl())
- {
- // If we have 10.000 objects, we will go through
- // this 10.000 times for each update, so we have
- // to optimise carefully.
- int clip_x = obj->GetX();
- int clip_width = obj->GetWidth();
- if (clip_x < x)
- {
- clip_width -= x-clip_x;
- clip_x = x;
- }
- if (clip_width > 0)
- {
- if (clip_x + clip_width > x + width)
- clip_width = x+width-clip_x;
-
- if (clip_width > 0)
- {
- int clip_y = obj->GetY();
- int clip_height = obj->GetHeight();
- if (clip_y < y)
- {
- clip_height -= y-clip_y;
- clip_y = y;
- }
- if (clip_height > 0)
- {
- if (clip_y + clip_height > y + height)
- clip_height = y+height-clip_y;
-
- if (clip_height > 0)
- obj->Render( clip_x, clip_y, clip_width, clip_height );
- }
- }
- }
- }
-
- node = node->Next();
- }
+ m_root->Render(0,0, x, y, width, height );
+
}
void wxCanvas::BlitBuffer( wxDC &dc )
while (node)
{
wxRect *rect = (wxRect*) node->Data();
- wxImage sub_image( m_buffer.GetSubImage( *rect ) );
- // DirectDraw here, please
+ wxRect sub_rect( *rect );
+ sub_rect.x -= m_bufferX;
+ sub_rect.y -= m_bufferY;
+
+ wxImage sub_image( m_buffer.GetSubImage( sub_rect ) );
#ifdef __WXGTK__
- int bpp = wxDisplayDepth();
+ int bpp = wxDisplayDepth();
if (bpp > 8)
{
// the init code is doubled in wxImage
gdk_rgb_init();
s_hasInitialized = TRUE;
}
-
- int x = rect->x;
- int y = rect->y;
- CalcScrolledPosition( x, y, &x, &y );
gdk_draw_rgb_image( GTK_PIZZA(m_wxwindow)->bin_window,
m_wxwindow->style->black_gc,
- x, y,
+ sub_rect.x, sub_rect.y,
sub_image.GetWidth(), sub_image.GetHeight(),
GDK_RGB_DITHER_NONE,
sub_image.GetData(),
wxBitmap bitmap( sub_image.ConvertToBitmap() );
dc.DrawBitmap( bitmap, rect->x, rect->y );
#endif
-
+
delete rect;
m_updateRects.DeleteNode( node );
node = m_updateRects.First();
}
-
+
m_needUpdate = FALSE;
}
void wxCanvas::UpdateNow()
{
+ if (m_frozen) return;
+
if (!m_needUpdate) return;
-
+
wxClientDC dc( this );
PrepareDC( dc );
-
+
BlitBuffer( dc );
}
+int wxCanvas::GetDeviceX( double x )
+{
+ return (int) x;
+}
+
+int wxCanvas::GetDeviceY( double y )
+{
+ return (int) y;
+}
+
+int wxCanvas::GetDeviceWidth( double width )
+{
+ return (int) width;
+}
+
+int wxCanvas::GetDeviceHeight( double height )
+{
+ return (int) height;
+}
+
+void wxCanvas::Recreate()
+{
+ m_root->Recreate();
+}
+
void wxCanvas::Prepend( wxCanvasObject* obj )
{
- m_objects.Insert( obj );
-
- obj->SetOwner( this );
-
+ m_root->Prepend( obj );
+ obj->SetOwner(this);
+
+ m_root->Recreate();
+
if (!obj->IsControl())
Update( obj->GetX(), obj->GetY(), obj->GetWidth(), obj->GetHeight() );
}
void wxCanvas::Append( wxCanvasObject* obj )
{
- m_objects.Append( obj );
-
- obj->SetOwner( this );
-
+ m_root->Append( obj );
+ obj->SetOwner(this);
+
+ m_root->Recreate();
+
if (!obj->IsControl())
Update( obj->GetX(), obj->GetY(), obj->GetWidth(), obj->GetHeight() );
}
void wxCanvas::Insert( size_t before, wxCanvasObject* obj )
{
- m_objects.Insert( before, obj );
-
- obj->SetOwner( this );
-
+ m_root->Insert( before, obj );
+ obj->SetOwner(this);
+
+ m_root->Recreate();
+
if (!obj->IsControl())
Update( obj->GetX(), obj->GetY(), obj->GetWidth(), obj->GetHeight() );
}
int w = obj->GetWidth();
int h = obj->GetHeight();
bool ic = obj->IsControl();
-
- m_objects.DeleteObject( obj );
-
+
+ m_root->Remove( obj );
+
if (!ic)
Update( x, y, w, h );
}
{
wxPaintDC dc(this);
PrepareDC( dc );
-
+
+ if (!m_buffer.Ok()) return;
+
+ if (m_frozen) return;
+
m_needUpdate = TRUE;
wxRegionIterator it( GetUpdateRegion() );
{
int x = it.GetX();
int y = it.GetY();
- CalcUnscrolledPosition( x, y, &x, &y );
-
+
int w = it.GetWidth();
int h = it.GetHeight();
-
+
if (x+w > m_buffer.GetWidth())
w = m_buffer.GetWidth() - x;
if (y+h > m_buffer.GetHeight())
h = m_buffer.GetHeight() - y;
-
+
if ((w > 0) && (h > 0))
+ {
+ CalcUnscrolledPosition( x, y, &x, &y );
m_updateRects.Append( (wxObject*) new wxRect( x, y, w, h ) );
-
+ }
+
it++;
}
-
+
BlitBuffer( dc );
}
+void wxCanvas::ScrollWindow( int dx, int dy, const wxRect* rect )
+{
+ // If any updates are pending, do them now since they will
+ // expect the previous m_bufferX and m_bufferY values.
+ UpdateNow();
+
+ // The buffer always starts at the top left corner of the
+ // client area. Indeed, it is the client area.
+ CalcUnscrolledPosition( 0, 0, &m_bufferX, &m_bufferY );
+
+ unsigned char* data = m_buffer.GetData();
+
+ if (dy != 0)
+ {
+ if (dy > 0)
+ {
+ unsigned char *source = data;
+ unsigned char *dest = data + (dy * m_buffer.GetWidth() * 3);
+ size_t count = (size_t) (m_buffer.GetWidth() * 3 * (m_buffer.GetHeight()-dy));
+ memmove( dest, source, count );
+
+ // We update the new buffer area, but there is no need to
+ // blit (last param FALSE) since the ensuing paint event will
+ // do that anyway.
+ Update( m_bufferX, m_bufferY, m_buffer.GetWidth(), dy, FALSE );
+ }
+ else
+ {
+ unsigned char *dest = data;
+ unsigned char *source = data + (-dy * m_buffer.GetWidth() * 3);
+ size_t count = (size_t) (m_buffer.GetWidth() * 3 * (m_buffer.GetHeight()+dy));
+ memmove( dest, source, count );
+
+ // We update the new buffer area, but there is no need to
+ // blit (last param FALSE) since the ensuing paint event will
+ // do that anyway.
+ Update( m_bufferX, m_bufferY+m_buffer.GetHeight()+dy, m_buffer.GetWidth(), -dy, FALSE );
+ }
+ }
+
+ if (dx != 0)
+ {
+ if (dx > 0)
+ {
+ unsigned char *source = data;
+ for (int y = 0; y < m_buffer.GetHeight(); y++)
+ {
+ unsigned char *dest = source + dx*3;
+ memmove( dest, source, (m_buffer.GetWidth()-dx) * 3 );
+ source += m_buffer.GetWidth()*3;
+ }
+
+ // We update the new buffer area, but there is no need to
+ // blit (last param FALSE) since the ensuing paint event will
+ // do that anyway.
+ Update( m_bufferX, m_bufferY, dx, m_buffer.GetHeight(), FALSE );
+ }
+ else
+ {
+ unsigned char *dest = data;
+ for (int y = 0; y < m_buffer.GetHeight(); y++)
+ {
+ unsigned char *source = dest - dx*3;
+ memmove( dest, source, (m_buffer.GetWidth()+dx) * 3 );
+ dest += m_buffer.GetWidth()*3;
+ }
+
+ // We update the new buffer area, but there is no need to
+ // blit (last param FALSE) since the ensuing paint event will
+ // do that anyway.
+ Update( m_bufferX+m_buffer.GetWidth()+dx, m_bufferY, -dx, m_buffer.GetHeight(), FALSE );
+ }
+ }
+
+ wxWindow::ScrollWindow( dx, dy, rect );
+}
+
void wxCanvas::OnMouse(wxMouseEvent &event)
{
- // Propagate to objects here
+ int x = event.GetX();
+ int y = event.GetY();
+ CalcUnscrolledPosition( x, y, &x, &y );
+
+ if (event.GetEventType() == wxEVT_MOTION)
+ {
+ if (m_captureMouse) //no matter what go to this one
+ {
+ wxMouseEvent child_event( wxEVT_MOTION );
+ child_event.SetEventObject(m_captureMouse);
+ child_event.m_x = x - m_captureMouse->GetX();
+ child_event.m_y = y - m_captureMouse->GetY();
+ child_event.m_leftDown = event.m_leftDown;
+ child_event.m_rightDown = event.m_rightDown;
+ child_event.m_middleDown = event.m_middleDown;
+ child_event.m_controlDown = event.m_controlDown;
+ child_event.m_shiftDown = event.m_shiftDown;
+ child_event.m_altDown = event.m_altDown;
+ child_event.m_metaDown = event.m_metaDown;
+ m_captureMouse->ProcessEvent( child_event );
+ }
+ else
+ {
+ wxCanvasObject *obj = m_root->IsHitObject(x,y,0);
+
+ if (obj && !obj->IsControl())
+ {
+ wxMouseEvent child_event( wxEVT_MOTION );
+ child_event.SetEventObject( obj );
+ child_event.m_x = x - obj->GetX();
+ child_event.m_y = y - obj->GetY();
+ child_event.m_leftDown = event.m_leftDown;
+ child_event.m_rightDown = event.m_rightDown;
+ child_event.m_middleDown = event.m_middleDown;
+ child_event.m_controlDown = event.m_controlDown;
+ child_event.m_shiftDown = event.m_shiftDown;
+ child_event.m_altDown = event.m_altDown;
+ child_event.m_metaDown = event.m_metaDown;
+
+ if ((obj != m_lastMouse) && (m_lastMouse != NULL))
+ {
+ child_event.SetEventType( wxEVT_LEAVE_WINDOW );
+ child_event.SetEventObject( m_lastMouse );
+ child_event.m_x = x - m_lastMouse->GetX();
+ child_event.m_y = y - m_lastMouse->GetY();
+ m_lastMouse->ProcessEvent( child_event );
+
+ m_lastMouse = obj;
+ child_event.SetEventType( wxEVT_ENTER_WINDOW );
+ child_event.SetEventObject( m_lastMouse );
+ child_event.m_x = x - m_lastMouse->GetX();
+ child_event.m_y = y - m_lastMouse->GetY();
+ m_lastMouse->ProcessEvent( child_event );
+
+ child_event.SetEventType( wxEVT_MOTION );
+ child_event.SetEventObject( obj );
+ }
+ obj->ProcessEvent( child_event );
+ return;
+ }
+ }
+ if (m_lastMouse)
+ {
+ wxMouseEvent child_event( wxEVT_LEAVE_WINDOW );
+ child_event.SetEventObject( m_lastMouse );
+ child_event.m_x = x - m_lastMouse->GetX();
+ child_event.m_y = y - m_lastMouse->GetY();
+ child_event.m_leftDown = event.m_leftDown;
+ child_event.m_rightDown = event.m_rightDown;
+ child_event.m_middleDown = event.m_middleDown;
+ child_event.m_controlDown = event.m_controlDown;
+ child_event.m_shiftDown = event.m_shiftDown;
+ child_event.m_altDown = event.m_altDown;
+ child_event.m_metaDown = event.m_metaDown;
+ m_lastMouse->ProcessEvent( child_event );
+
+ m_lastMouse = (wxCanvasObject*) NULL;
+ return;
+ }
+ }
+
+ event.Skip();
}
void wxCanvas::OnSize(wxSizeEvent &event)
{
+ int w,h;
+ GetClientSize( &w, &h );
+ m_buffer = wxImage( w, h );
+
+ CalcUnscrolledPosition( 0, 0, &m_bufferX, &m_bufferY );
+
+ wxNode *node = m_updateRects.First();
+ while (node)
+ {
+ wxRect *rect = (wxRect*) node->Data();
+ delete rect;
+ m_updateRects.DeleteNode( node );
+ node = m_updateRects.First();
+ }
+
+ m_frozen = FALSE;
+
+ Update( m_bufferX, m_bufferY, m_buffer.GetWidth(), m_buffer.GetHeight(), FALSE );
+
event.Skip();
}
event.Skip();
}
+void wxCanvas::OnEraseBackground(wxEraseEvent &event)
+{
+}
+
//--------------------------------------------------------------------
// wxCanvasModule
//--------------------------------------------------------------------
bool wxCanvasModule::OnInit()
{
-#if USE_FREETYPE
+#if wxUSE_FREETYPE
int error = FT_Init_FreeType( &g_freetypeLibrary );
if (error) return FALSE;
#endif
void wxCanvasModule::OnExit()
{
-#if USE_FREETYPE
+#if wxUSE_FREETYPE
FT_Done_FreeType( g_freetypeLibrary );
#endif
}
projects / wxWidgets.git / blobdiff