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Limit the canvas size to the window's size to avoid things exploding at high zoom levels

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Originally committed to SVN as r4288.
This commit is contained in:
Thomas Goyne 2010-05-16 06:39:06 +00:00
parent 94cf2949f1
commit 74a9bdeb41
1 changed files with 45 additions and 34 deletions
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71
aegisub/src/video_display.cpp
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@ -106,6 +106,8 @@ END_EVENT_TABLE()
/// Attribute list for gl canvases; set the canvases to doublebuffered rgba with an 8 bit stencil buffer
int attribList[] = { WX_GL_RGBA , WX_GL_DOUBLEBUFFER, WX_GL_STENCIL_SIZE, 8, 0 };
using std::min;
VideoDisplay::VideoDisplay(VideoBox *box, VideoSlider *ControlSlider, wxTextCtrl *PositionDisplay, wxTextCtrl *SubsPosition, wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style, const wxString& name)
: wxGLCanvas (parent, id, attribList, pos, size, style, name)
, visualMode(-1)
@ -331,42 +333,14 @@ void VideoDisplay::UpdateSize() {
int vidW = con->GetWidth();
int vidH = con->GetHeight();
assert(vidW > 0);
assert(vidH > 0);
if (!freeSize) {
h = vidH * zoomValue;
w = con->GetAspectRatioType() == 0 ? vidW * zoomValue : vidH * zoomValue * con->GetAspectRatioValue();
// Sizers ignore SetClientSize/SetSize, so only use them to calculate
// what size is required after including the borders
SetClientSize(w,h);
GetSize(&w,&h);
wxSize size(w,h);
SetMinSize(size);
SetMaxSize(size);
locked = true;
box->VideoSizer->Fit(box);
box->GetParent()->Layout();
// The sizer makes us use the full width, which at very low zoom levels
// results in stretched video, so after using the sizer to update the
// parent window sizes, reset our size to the correct value
SetSize(w,h);
locked = false;
}
if (freeSize) {
GetClientSize(&w,&h);
wxASSERT(w > 0);
wxASSERT(h > 0);
dx1 = 0;
dy1 = 0;
dx2 = w;
dy2 = h;
if (freeSize) {
// Set aspect ratio
float displayAr = float(w) / float(h);
float videoAr = con->GetAspectRatioType() == 0 ? float(vidW)/float(vidH) : con->GetAspectRatioValue();
@ -385,6 +359,43 @@ void VideoDisplay::UpdateSize() {
dy2 = h - delta;
}
}
else {
wxWindow* parent = GetParent();
while (!parent->IsTopLevel()) parent = parent->GetParent();
int maxH, maxW;
parent->GetClientSize(&maxW, &maxH);
h = vidH * zoomValue;
w = con->GetAspectRatioType() == 0 ? vidW * zoomValue : vidH * zoomValue * con->GetAspectRatioValue();
// Cap the canvas size to the window size
int cw = min(w, maxW), ch = min(h, maxH);
// Sizers ignore SetClientSize/SetSize, so only use them to calculate
// what size is required after including the borders
SetClientSize(cw, ch);
int fw, fh;
GetSize(&fw, &fh);
wxSize size(fw, fh);
SetMinSize(size);
SetMaxSize(size);
locked = true;
box->VideoSizer->Fit(box);
box->GetParent()->Layout();
// The sizer makes us use the full width, which at very low zoom levels
// results in stretched video, so after using the sizer to update the
// parent window sizes, reset our size to the correct value
SetSize(fw, fh);
locked = false;
dx1 = 0;
dy1 = ch - h;
dx2 = w;
dy2 = h;
}
Refresh(false);
}