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[client] allow window resize event's before startup

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This commit is contained in:
Geoffrey McRae
2018-07-19 23:32:42 +10:00
parent 9f8c20c3e7
commit eb6ee8ea46
3 changed files with 41 additions and 31 deletions
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51
client/main.c
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@@ -53,6 +53,7 @@ struct AppState
TTF_Font * font;
TTF_Font * alertFont;
bool haveSrcSize;
SDL_Point srcSize;
LG_RendererRect dstRect;
SDL_Point cursor;
@@ -141,41 +142,42 @@ struct AppParams params =
static inline void updatePositionInfo()
{
if (!state.started)
return;
int w, h;
SDL_GetWindowSize(state.window, &w, &h);
if (params.keepAspect)
if (state.haveSrcSize)
{
const float srcAspect = (float)state.srcSize.y / (float)state.srcSize.x;
const float wndAspect = (float)h / (float)w;
if (wndAspect < srcAspect)
if (params.keepAspect)
{
state.dstRect.w = (float)h / srcAspect;
state.dstRect.h = h;
state.dstRect.x = (w >> 1) - (state.dstRect.w >> 1);
state.dstRect.y = 0;
const float srcAspect = (float)state.srcSize.y / (float)state.srcSize.x;
const float wndAspect = (float)h / (float)w;
if (wndAspect < srcAspect)
{
state.dstRect.w = (float)h / srcAspect;
state.dstRect.h = h;
state.dstRect.x = (w >> 1) - (state.dstRect.w >> 1);
state.dstRect.y = 0;
}
else
{
state.dstRect.w = w;
state.dstRect.h = (float)w * srcAspect;
state.dstRect.x = 0;
state.dstRect.y = (h >> 1) - (state.dstRect.h >> 1);
}
}
else
{
state.dstRect.w = w;
state.dstRect.h = (float)w * srcAspect;
state.dstRect.x = 0;
state.dstRect.y = (h >> 1) - (state.dstRect.h >> 1);
state.dstRect.y = 0;
state.dstRect.w = w;
state.dstRect.h = h;
}
}
else
{
state.dstRect.x = 0;
state.dstRect.y = 0;
state.dstRect.w = w;
state.dstRect.h = h;
}
state.dstRect.valid = true;
state.scaleX = (float)state.srcSize.y / (float)state.dstRect.h;
state.scaleY = (float)state.srcSize.x / (float)state.dstRect.w;
state.scaleX = (float)state.srcSize.y / (float)state.dstRect.h;
state.scaleY = (float)state.srcSize.x / (float)state.dstRect.w;
}
if (state.lgr)
state.lgr->on_resize(state.lgrData, w, h, state.dstRect);
@@ -379,6 +381,7 @@ int frameThread(void * unused)
{
state.srcSize.x = header.width;
state.srcSize.y = header.height;
state.haveSrcSize = true;
if (params.autoResize)
SDL_SetWindowSize(state.window, header.width, header.height);
updatePositionInfo();