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/*
Popup Plus plugin for Miranda IM
Copyright © 2002 Luca Santarelli,
© 2004-2007 Victor Pavlychko
© 2010 MPK
© 2010 Merlin_de
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "stdafx.h"
GifAvatar::GifAvatar(MCONTACT hContact) : PopupAvatar()
{
av = (AVATARCACHEENTRY*)CallService(MS_AV_GETAVATARBITMAP, hContact, 0);
bIsAnimated = true;
bIsValid = true;
GDIPlus_GetGIFSize(av->szFilename, &this->width, &this->height);
hBitmap = nullptr;
frameDelays = nullptr;
frameCount = 0;
frameSize.cx = frameSize.cy = 0;
cachedHeight = cachedWidth = -1;
activeFrame = 0;
}
GifAvatar::~GifAvatar()
{
if (frameDelays) {
mir_free(frameDelays);
frameDelays = nullptr;
}
if (hBitmap) DeleteObject(hBitmap);
}
int GifAvatar::activeFrameDelay()
{
if (!av || !frameCount || !frameDelays || !hBitmap || (activeFrame < 0) || (activeFrame >= frameCount))
return -1;
return frameDelays[activeFrame];
}
void GifAvatar::draw(MyBitmap *bmp, int x, int y, int w, int h, POPUPOPTIONS *options)
{
if (!av || (w <= 0) || (h <= 0)) return;
if (!frameCount || !frameDelays || !hBitmap || (cachedWidth != w) || (cachedHeight != h)) {
cachedWidth = w;
cachedHeight = h;
if (frameDelays) {
mir_free(frameDelays);
frameDelays = nullptr;
}
if (hBitmap) DeleteObject(hBitmap);
GDIPlus_ExtractAnimatedGIF(av->szFilename, w, h, hBitmap, frameDelays, frameCount, frameSize);
}
if (!frameCount) return;
HRGN rgn;
if (options->avatarRadius) {
rgn = CreateRoundRectRgn(x, y, x + w, y + h, 2 * options->avatarRadius, 2 * options->avatarRadius);
SelectClipRgn(bmp->getDC(), rgn);
}
else {
rgn = CreateRectRgn(x, y, x + w, y + h);
}
HDC hdcTmp = CreateCompatibleDC(bmp->getDC());
SelectObject(hdcTmp, hBitmap);
SetStretchBltMode(bmp->getDC(), HALFTONE);
if (av->dwFlags & AVS_PREMULTIPLIED) {
BLENDFUNCTION bf;
bf.BlendOp = AC_SRC_OVER;
bf.BlendFlags = 0;
bf.SourceConstantAlpha = 255;
bf.AlphaFormat = AC_SRC_ALPHA;
AlphaBlend(bmp->getDC(), x, y, w, h, hdcTmp, frameSize.cx*activeFrame, 0, frameSize.cx, frameSize.cy, bf);
if (options->avatarBorders && options->avatarPNGBorders) {
HBRUSH hbr = CreateSolidBrush(fonts.clAvatarBorder);
bmp->saveAlpha(x, y, w, h);
FrameRgn(bmp->getDC(), rgn, hbr, 1, 1);
DeleteObject(hbr);
bmp->restoreAlpha(x, y, w, h);
}
}
else {
bmp->saveAlpha(x, y, w, h);
StretchBlt(bmp->getDC(), x, y, w, h, hdcTmp, frameSize.cx*activeFrame, 0, frameSize.cx, frameSize.cy, SRCCOPY);
if (options->avatarBorders) {
HBRUSH hbr = CreateSolidBrush(fonts.clAvatarBorder);
FrameRgn(bmp->getDC(), rgn, hbr, 1, 1);
DeleteObject(hbr);
}
bmp->restoreAlpha(x, y, w, h);
}
DeleteObject(rgn);
SelectClipRgn(bmp->getDC(), nullptr);
DeleteDC(hdcTmp);
activeFrame = (activeFrame + 1) % frameCount;
}
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