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Fix flickering in color picker

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Originally committed to SVN as r4476.
This commit is contained in:
Thomas Goyne 2010-06-11 02:25:23 +00:00
parent 8c8e668758
commit 72cbf4939f
1 changed files with 41 additions and 22 deletions
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63
aegisub/src/dialog_colorpicker.cpp
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@ -448,9 +448,11 @@ void ColorPickerSpectrum::GetXY(int &xx, int &yy)
/// ///
void ColorPickerSpectrum::SetXY(int xx, int yy) void ColorPickerSpectrum::SetXY(int xx, int yy)
{ {
x = xx; if (x != xx || y != yy) {
y = yy; x = xx;
Refresh(true); y = yy;
Refresh(false);
}
} }
/// @brief DOCME /// @brief DOCME
@ -461,7 +463,7 @@ void ColorPickerSpectrum::SetBackground(wxBitmap *new_background)
{ {
if (background == new_background) return; if (background == new_background) return;
background = new_background; background = new_background;
Refresh(true); Refresh(false);
} }
BEGIN_EVENT_TABLE(ColorPickerSpectrum, wxControl) BEGIN_EVENT_TABLE(ColorPickerSpectrum, wxControl)
@ -479,21 +481,22 @@ void ColorPickerSpectrum::OnPaint(wxPaintEvent &evt)
{ {
if (!background) return; if (!background) return;
int height = background->GetHeight();
int width = background->GetWidth();
wxPaintDC dc(this); wxPaintDC dc(this);
wxMemoryDC memdc; wxMemoryDC memdc;
memdc.SelectObject(*background); memdc.SelectObject(*background);
dc.Blit(1, 1, background->GetWidth(), background->GetHeight(), &memdc, 0, 0); dc.Blit(1, 1, width, height, &memdc, 0, 0);
wxPoint arrow[3];
wxRect arrow_box;
wxPen invpen(*wxWHITE, 3); wxPen invpen(*wxWHITE, 3);
invpen.SetCap(wxCAP_BUTT); invpen.SetCap(wxCAP_BUTT);
wxPen blkpen(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT), 1);
blkpen.SetCap(wxCAP_BUTT);
wxPoint arrow[3];
dc.SetLogicalFunction(wxXOR); dc.SetLogicalFunction(wxXOR);
dc.SetPen(invpen); dc.SetPen(invpen);
switch (direction) { switch (direction) {
case HorzVert: case HorzVert:
// Make a little cross // Make a little cross
@ -502,31 +505,49 @@ void ColorPickerSpectrum::OnPaint(wxPaintEvent &evt)
break; break;
case Horz: case Horz:
// Make a vertical line stretching all the way across // Make a vertical line stretching all the way across
dc.DrawLine(x+1, 1, x+1, background->GetHeight()+1); dc.DrawLine(x+1, 1, x+1, height+1);
// Points for arrow // Points for arrow
arrow[0] = wxPoint(x+1, background->GetHeight()+2); arrow[0] = wxPoint(x+1, height+2);
arrow[1] = wxPoint(x+1-spectrum_horz_vert_arrow_size, background->GetHeight()+2+spectrum_horz_vert_arrow_size); arrow[1] = wxPoint(x+1-spectrum_horz_vert_arrow_size, height+2+spectrum_horz_vert_arrow_size);
arrow[2] = wxPoint(x+1+spectrum_horz_vert_arrow_size, background->GetHeight()+2+spectrum_horz_vert_arrow_size); arrow[2] = wxPoint(x+1+spectrum_horz_vert_arrow_size, height+2+spectrum_horz_vert_arrow_size);
arrow_box.SetLeft(0);
arrow_box.SetTop(height + 2);
arrow_box.SetRight(width + 1 + spectrum_horz_vert_arrow_size);
arrow_box.SetBottom(height + 2 + spectrum_horz_vert_arrow_size);
break; break;
case Vert: case Vert:
// Make a horizontal line stretching all the way across // Make a horizontal line stretching all the way across
dc.DrawLine(1, y+1, background->GetWidth()+1, y+1); dc.DrawLine(1, y+1, width+1, y+1);
// Points for arrow // Points for arrow
arrow[0] = wxPoint(background->GetWidth()+2, y+1); arrow[0] = wxPoint(width+2, y+1);
arrow[1] = wxPoint(background->GetWidth()+2+spectrum_horz_vert_arrow_size, y+1-spectrum_horz_vert_arrow_size); arrow[1] = wxPoint(width+2+spectrum_horz_vert_arrow_size, y+1-spectrum_horz_vert_arrow_size);
arrow[2] = wxPoint(background->GetWidth()+2+spectrum_horz_vert_arrow_size, y+1+spectrum_horz_vert_arrow_size); arrow[2] = wxPoint(width+2+spectrum_horz_vert_arrow_size, y+1+spectrum_horz_vert_arrow_size);
arrow_box.SetLeft(width + 2);
arrow_box.SetTop(0);
arrow_box.SetRight(width + 2 + spectrum_horz_vert_arrow_size);
arrow_box.SetBottom(height + 1 + spectrum_horz_vert_arrow_size);
break; break;
} }
if (direction == Horz || direction == Vert) { if (direction == Horz || direction == Vert) {
// Arrow pointing at current point wxBrush bgBrush;
bgBrush.SetColour(GetBackgroundColour());
dc.SetLogicalFunction(wxCOPY); dc.SetLogicalFunction(wxCOPY);
dc.SetPen(*wxTRANSPARENT_PEN); dc.SetPen(*wxTRANSPARENT_PEN);
dc.SetBrush(bgBrush);
dc.DrawRectangle(arrow_box);
// Arrow pointing at current point
dc.SetBrush(*wxBLACK_BRUSH); dc.SetBrush(*wxBLACK_BRUSH);
dc.DrawPolygon(3, arrow); dc.DrawPolygon(3, arrow);
} }
// Border around the spectrum // Border around the spectrum
wxPen blkpen(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT), 1);
blkpen.SetCap(wxCAP_BUTT);
dc.SetLogicalFunction(wxCOPY); dc.SetLogicalFunction(wxCOPY);
dc.SetPen(blkpen); dc.SetPen(blkpen);
dc.SetBrush(*wxTRANSPARENT_BRUSH); dc.SetBrush(*wxTRANSPARENT_BRUSH);
@ -561,9 +582,7 @@ void ColorPickerSpectrum::OnMouse(wxMouseEvent &evt)
} }
if (evt.LeftDown() || (HasCapture() && evt.LeftIsDown())) { if (evt.LeftDown() || (HasCapture() && evt.LeftIsDown())) {
x = newx; SetXY(newx, newy);
y = newy;
Refresh(false);
wxCommandEvent evt2(wxSPECTRUM_CHANGE, GetId()); wxCommandEvent evt2(wxSPECTRUM_CHANGE, GetId());
AddPendingEvent(evt2); AddPendingEvent(evt2);
} }