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Fixed transparancy in image slicer and sharp resample function

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git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@623 0fc631ac-6414-0410-93d0-97cfa31319b6
This commit is contained in:
twanvl
2007-08-24 15:49:06 +00:00
parent bdd3429479
commit 74db393f61
3 changed files with 96 additions and 26 deletions
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src/gui/image_slice_window.cpp
+23 -3
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@@ -360,6 +360,8 @@ void ImageSlicePreview::draw(DC& dc) {
Image image = slice.getSlice();
if (mask && mask->size == slice.target_size) {
mask->setAlpha(image);
}
if (image.HasAlpha()) {
// create bitmap
bitmap = Bitmap(image.GetWidth(), image.GetHeight());
wxMemoryDC mdc; mdc.SelectObject(bitmap);
@@ -446,9 +448,22 @@ void ImageSliceSelector::draw(DC& dc) {
int width = int(slice.selection.width * scaleX);
int height = int(slice.selection.height * scaleY);
// background
dc.SetPen(*wxTRANSPARENT_PEN);
dc.SetBrush(Color(128,128,128));
dc.DrawRectangle(0, 0, s.GetWidth(), s.GetHeight());
{
RotatedDC rdc(dc, 0, RealRect(0,0,s.x,s.y), 1, QUALITY_LOW);
draw_checker(rdc, RealRect(0,0,s.x,s.y));
}
// edge
{
wxRegion r(0,0,s.x,s.y);
r.Subtract(wxRect(border,border, s.x-2*border, s.y-2*border));
dc.SetClippingRegion(r);
dc.SetPen(*wxTRANSPARENT_PEN);
dc.SetBrush(Color(191,191,191));
dc.SetLogicalFunction(wxAND);
dc.DrawRectangle(0, 0, s.x, s.y);
dc.SetLogicalFunction(wxCOPY);
dc.DestroyClippingRegion();
}
// bitmap : unselected
dc.DrawBitmap(bitmap_no_sel, border, border);
// draw selected part ungreyed over it
@@ -536,6 +551,11 @@ void ImageSliceSelector::createBitmap() {
blur_image(img_no_sel, img_no_sel);
blur_image(img_no_sel, img_no_sel);
desaturate_image(img_no_sel);
if (img.HasAlpha()) {
// copy alpha
img_no_sel.InitAlpha();
memcpy(img_no_sel.GetAlpha(), img.GetAlpha(), img.GetWidth() * img.GetHeight());
}
bitmap_no_sel = Bitmap(img_no_sel);
}