diff options
Diffstat (limited to 'plugins/TipperYM/bitmap_func.cpp')
| -rw-r--r-- | plugins/TipperYM/bitmap_func.cpp | 775 |
1 files changed, 775 insertions, 0 deletions
diff --git a/plugins/TipperYM/bitmap_func.cpp b/plugins/TipperYM/bitmap_func.cpp new file mode 100644 index 0000000000..e1d8bdd644 --- /dev/null +++ b/plugins/TipperYM/bitmap_func.cpp @@ -0,0 +1,775 @@ +/*
+Copyright (C) 2006-2007 Scott Ellis
+Copyright (C) 2007-2011 Jan Holub
+
+This is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this file; see the file license.txt. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.
+*/
+
+#include "common.h"
+#include "options.h"
+#include "bitmap_func.h"
+#include "message_pump.h"
+
+TOOLTIPSKIN skin = {0};
+
+HBITMAP CreateBitmapPart(FIBITMAP *fibSrc, int iSrcWidth, int iSrcHeight, int iDesWidth, int iDesHeight, TransformationMode transfMode)
+{
+ FIBITMAP *fibMem = NULL;
+ HBITMAP hbmpDes = NULL;
+
+ if (!fibSrc)
+ return NULL;
+
+ switch (transfMode)
+ {
+ case TM_NONE:
+ case TM_CENTRE:
+ case TM_TILE_ALL:
+ {
+ hbmpDes = fii->FI_CreateHBITMAPFromDIB(fibSrc);
+ break;
+ }
+ case TM_STRECH_ALL:
+ {
+ fibMem = fii->FI_Rescale(fibSrc, iDesWidth, iDesHeight, FILTER_BILINEAR);
+ hbmpDes = fii->FI_CreateHBITMAPFromDIB(fibMem);
+ break;
+ }
+ case TM_STRECH_HORIZONTAL:
+ case TM_TILE_VERTICAL:
+ {
+ fibMem = fii->FI_Rescale(fibSrc, iDesWidth, iSrcHeight, FILTER_BILINEAR);
+ hbmpDes = fii->FI_CreateHBITMAPFromDIB(fibMem);
+ break;
+ }
+ case TM_STRECH_VERTICAL:
+ case TM_TILE_HORIZONTAL:
+ {
+ fibMem = fii->FI_Rescale(fibSrc, iSrcWidth, iSrcHeight, FILTER_BILINEAR);
+ hbmpDes = fii->FI_CreateHBITMAPFromDIB(fibMem);
+ break;
+ }
+ }
+
+ if (fibMem) fii->FI_Unload(fibMem);
+ return hbmpDes;
+}
+
+void DrawBitmapPart(HDC hdcMem, HBITMAP hbmpPart, RECT *rcDes, TransformationMode transfMode)
+{
+ if (!hbmpPart)
+ return;
+
+ BLENDFUNCTION blend;
+ blend.BlendOp = AC_SRC_OVER;
+ blend.BlendFlags = 0;
+ blend.SourceConstantAlpha = 255;
+ blend.AlphaFormat = AC_SRC_ALPHA;
+
+ BITMAP bitmap;
+ GetObject(hbmpPart, sizeof(bitmap), &bitmap);
+ int iBmpWidth = bitmap.bmWidth;
+ int iBmpHeight = bitmap.bmHeight;
+
+ int iDesWidth = rcDes->right - rcDes->left;
+ int iDesHeight = rcDes->bottom - rcDes->top;
+
+ SelectObject(hdcMem, hbmpPart);
+
+ switch (transfMode)
+ {
+ case TM_NONE:
+ case TM_STRECH_ALL:
+ case TM_STRECH_HORIZONTAL:
+ case TM_STRECH_VERTICAL:
+ {
+ AlphaBlend(skin.hdc, rcDes->left, rcDes->top, iBmpWidth, iBmpHeight, hdcMem, 0, 0, iBmpWidth, iBmpHeight, blend);
+ break;
+ }
+ case TM_CENTRE:
+ {
+ int iPosX = rcDes->left + ((iDesWidth - iBmpWidth) / 2);
+ int iPosY = rcDes->top + ((iDesHeight - iBmpHeight) / 2);
+ AlphaBlend(skin.hdc, iPosX, iPosY, iBmpWidth, iBmpHeight, hdcMem, 0, 0, iBmpWidth, iBmpHeight, blend);
+ break;
+ }
+ case TM_TILE_ALL:
+ {
+ int iRepX = iDesWidth / iBmpWidth;
+ int iRepY = iDesHeight / iBmpHeight;
+ int iEndX = iDesWidth % iBmpWidth;
+ int iEndY = iDesHeight % iBmpHeight;
+ int x,y;
+
+ for (y = 0; y < iRepY; y++)
+ {
+ for (x = 0; x < iRepX; x++)
+ {
+ AlphaBlend(skin.hdc, rcDes->left + (x * iBmpWidth), rcDes->top + (y * iBmpHeight), iBmpWidth, iBmpHeight, hdcMem, 0, 0, iBmpWidth, iBmpHeight, blend);
+ }
+
+ AlphaBlend(skin.hdc, rcDes->left + (x * iBmpWidth), rcDes->top + (y * iBmpHeight), iEndX, iBmpHeight, hdcMem, 0, 0, iEndX, iBmpHeight, blend);
+ }
+
+ for (x = 0; x < iRepX; x++)
+ {
+ AlphaBlend(skin.hdc, rcDes->left + (x * iBmpWidth), rcDes->top + (y * iBmpHeight), iBmpWidth, iEndY, hdcMem, 0, 0, iBmpWidth, iEndY, blend);
+ }
+
+ AlphaBlend(skin.hdc, rcDes->left + (x * iBmpWidth), rcDes->top + (y * iBmpHeight), iEndX, iEndY, hdcMem, 0, 0, iEndX, iEndY, blend);
+ break;
+ }
+ case TM_TILE_HORIZONTAL:
+ {
+ int iRepX = iDesWidth / iBmpWidth;
+ int iEndX = iDesWidth % iBmpWidth;
+ int x;
+
+ for (x = 0; x < iRepX; x++)
+ {
+ AlphaBlend(skin.hdc, rcDes->left + (x * iBmpWidth), rcDes->top, iBmpWidth, iDesHeight, hdcMem, 0, 0, iBmpWidth, iDesHeight, blend);
+ }
+
+ AlphaBlend(skin.hdc, rcDes->left + (x * iBmpWidth), rcDes->top, iEndX, iDesHeight, hdcMem, 0, 0, iEndX, iDesHeight, blend);
+ break;
+ }
+ case TM_TILE_VERTICAL:
+ {
+ int iRepY = iDesHeight / iBmpHeight;
+ int iEndY = iDesHeight % iBmpHeight;
+ int y;
+
+ for(y = 0; y < iRepY; y++)
+ {
+ AlphaBlend(skin.hdc, rcDes->left, rcDes->top + (y * iBmpHeight), iDesWidth, iBmpHeight, hdcMem, 0, 0, iDesWidth, iBmpHeight, blend);
+ }
+
+ AlphaBlend(skin.hdc, rcDes->left, rcDes->top + (y * iBmpHeight), iDesWidth, iEndY, hdcMem, 0, 0, iDesWidth, iEndY, blend);
+ break;
+ }
+ }
+}
+
+void CreateFromBitmaps(bool bServiceTip)
+{
+ int rcWidth, rcHeight;
+ int iCentWidth, iCentHeight;
+ int iBmpWidth, iBmpHeight;
+ int top, right, bottom, left;
+
+ BLENDFUNCTION blend;
+ blend.BlendOp = AC_SRC_OVER;
+ blend.BlendFlags = 0;
+ blend.SourceConstantAlpha = 255;
+ blend.AlphaFormat = AC_SRC_ALPHA;
+
+ for (int i = 0; i < SKIN_ITEMS_COUNT; i++)
+ {
+ if (i == SKIN_ITEM_SIDEBAR && (!opt.iSidebarWidth || bServiceTip))
+ continue;
+
+ if (opt.szImgFile[i] && strlen(opt.szImgFile[i]) != 0)
+ {
+ FIBITMAP *fib = NULL;
+ if (!skin.bCached)
+ {
+ FIBITMAP *fibLoad = (FIBITMAP *)CallService(MS_IMG_LOAD, (WPARAM)opt.szImgFile[i], (LPARAM)IMGL_RETURNDIB);
+ if (!fibLoad) continue;
+
+ if (fii->FI_GetBPP(fibLoad) != 32)
+ fib = fii->FI_ConvertTo32Bits(fibLoad);
+ else
+ fib = fibLoad;
+
+ if (fib != fibLoad)
+ fii->FI_Unload(fibLoad);
+
+ skin.fib[i] = fib;
+ }
+ else
+ {
+ fib = skin.fib[i];
+ }
+
+ // destination rectangle size
+ if (i == SKIN_ITEM_BG)
+ {
+ rcWidth = skin.iWidth;
+ rcHeight = skin.iHeight;
+ }
+ else if (i == SKIN_ITEM_SIDEBAR)
+ {
+ rcWidth = opt.iSidebarWidth;
+ rcHeight = skin.iHeight;
+ }
+
+ // bitmap size
+ iBmpWidth = fii->FI_GetWidth(fib);
+ iBmpHeight = fii->FI_GetHeight(fib);
+
+ // margins
+ top = opt.margins[i].top < iBmpHeight ? opt.margins[i].top : 0;
+ right = opt.margins[i].right < iBmpWidth ? opt.margins[i].right : 0;
+ bottom = opt.margins[i].bottom < iBmpHeight ? opt.margins[i].bottom : 0;
+ left = opt.margins[i].left < iBmpWidth ? opt.margins[i].left : 0;
+
+ // centre area size
+ iCentWidth = max(rcWidth - left - right, 0);
+ iCentHeight = max(rcHeight - top - bottom, 0);
+
+ FIBITMAP *fibCentre = NULL, *fibMem = NULL;
+ if (opt.margins[i].left || opt.margins[i].top || opt.margins[i].right || opt.margins[i].bottom)
+ {
+ // create corners bitmaps
+ if (!skin.bCached)
+ {
+ if (top > 0 && left > 0) // TL
+ {
+ fibMem = fii->FI_Copy(fib, 0, 0, left, top);
+ skin.hbmpSkinParts[i][SP_CORNER_TL] = fii->FI_CreateHBITMAPFromDIB(fibMem);
+ if (fibMem) fii->FI_Unload(fibMem);
+ }
+ if (top > 0 && right > 0) // TR
+ {
+ fibMem = fii->FI_Copy(fib, iBmpWidth - right, 0, iBmpWidth, top);
+ skin.hbmpSkinParts[i][SP_CORNER_TR] = fii->FI_CreateHBITMAPFromDIB(fibMem);
+ if (fibMem) fii->FI_Unload(fibMem);
+ }
+ if (bottom > 0 && right > 0) // BR
+ {
+ fibMem = fii->FI_Copy(fib, iBmpWidth - right, iBmpHeight - bottom, iBmpWidth, iBmpHeight);
+ skin.hbmpSkinParts[i][SP_CORNER_BR] = fii->FI_CreateHBITMAPFromDIB(fibMem);
+ if (fibMem) fii->FI_Unload(fibMem);
+ }
+ if (bottom > 0 && left > 0) // BL
+ {
+ fibMem = fii->FI_Copy(fib, 0, iBmpHeight - bottom, left, iBmpHeight);
+ skin.hbmpSkinParts[i][SP_CORNER_BL] = fii->FI_CreateHBITMAPFromDIB(fibMem);
+ if (fibMem) fii->FI_Unload(fibMem);
+ }
+ }
+
+ // create edge parts bitmaps
+ if (top > 0 && iCentWidth > 0) // top
+ {
+ fibMem = fii->FI_Copy(fib, left, 0, iBmpWidth - right, top);
+ skin.hbmpSkinParts[i][SP_EDGE_TOP] = CreateBitmapPart(fibMem, iBmpWidth - left - right, top, iCentWidth, top, opt.transfMode[i]);
+ if (fibMem) fii->FI_Unload(fibMem);
+ }
+ if (right > 0 && iCentHeight > 0) // right
+ {
+ fibMem = fii->FI_Copy(fib, iBmpWidth - right, top, iBmpWidth, iBmpHeight - bottom);
+ skin.hbmpSkinParts[i][SP_EDGE_RIGHT] = CreateBitmapPart(fibMem, right, iBmpHeight - top - bottom, right, iCentHeight, opt.transfMode[i]);
+ if (fibMem) fii->FI_Unload(fibMem);
+ }
+ if (bottom > 0 && iCentWidth > 0) // bottom
+ {
+ fibMem = fii->FI_Copy(fib, left, iBmpHeight - bottom, iBmpWidth - right, iBmpHeight);
+ skin.hbmpSkinParts[i][SP_EDGE_BOTTOM] = CreateBitmapPart(fibMem, iBmpWidth - left - right, bottom, iCentWidth, bottom, opt.transfMode[i]);
+ if (fibMem) fii->FI_Unload(fibMem);
+ }
+ if (left > 0 && iCentHeight > 0) // left
+ {
+ fibMem = fii->FI_Copy(fib, 0, top, left, iBmpHeight - bottom);
+ skin.hbmpSkinParts[i][SP_EDGE_LEFT] = CreateBitmapPart(fibMem, left, iBmpHeight - top - bottom, left, iCentHeight, opt.transfMode[i]);
+ if (fibMem) fii->FI_Unload(fibMem);
+ }
+
+ fibCentre = fii->FI_Copy(fib, left, top, iBmpWidth - right, iBmpHeight - bottom);
+ if (fibCentre)
+ {
+ fib = fibCentre;
+ iBmpWidth = fii->FI_GetWidth(fib);
+ iBmpHeight = fii->FI_GetHeight(fib);
+ }
+ }
+
+ // create centre area bitmap
+ skin.hbmpSkinParts[i][SP_CENTRE_AREA] = CreateBitmapPart(fib, iBmpWidth, iBmpHeight, iCentWidth, iCentHeight, opt.transfMode[i]);
+ if (fibCentre)
+ fii->FI_Unload(fibCentre);
+
+ if (i == SKIN_ITEM_SIDEBAR)
+ {
+ int limit = skin.bCached ? SP_CORNER_TL : SKIN_PARTS_COUNT; // don't premultiply corner bitmaps multiple times
+ for (int j = 0; j < limit; j++)
+ {
+ if (skin.hbmpSkinParts[i][j])
+ fii->FI_Premultiply(skin.hbmpSkinParts[i][j]);
+ }
+ }
+
+ HDC hdcMem = CreateCompatibleDC(0);
+ RECT rc = {0};
+
+ if (skin.hbmpSkinParts[i][SP_CENTRE_AREA])
+ {
+ SetRect(&rc, left, top, rcWidth - right, rcHeight - bottom);
+ DrawBitmapPart(hdcMem, skin.hbmpSkinParts[i][SP_CENTRE_AREA], &rc, opt.transfMode[i]);
+ }
+
+ if (opt.margins[i].left || opt.margins[i].top || opt.margins[i].right || opt.margins[i].bottom)
+ {
+ // draw edge parts
+ if (skin.hbmpSkinParts[i][SP_EDGE_TOP]) // top
+ {
+ SetRect(&rc, left, 0, rcWidth - right, top);
+ DrawBitmapPart(hdcMem, skin.hbmpSkinParts[i][SP_EDGE_TOP], &rc, opt.transfMode[i]);
+ }
+ if (skin.hbmpSkinParts[i][SP_EDGE_RIGHT]) // right
+ {
+ SetRect(&rc, rcWidth - right, top, rcWidth, rcHeight - bottom);
+ DrawBitmapPart(hdcMem, skin.hbmpSkinParts[i][SP_EDGE_RIGHT], &rc, opt.transfMode[i]);
+ }
+ if (skin.hbmpSkinParts[i][SP_EDGE_BOTTOM]) // bottom
+ {
+ SetRect(&rc, left, rcHeight - bottom, rcWidth - right, rcHeight);
+ DrawBitmapPart(hdcMem, skin.hbmpSkinParts[i][SP_EDGE_BOTTOM], &rc, opt.transfMode[i]);
+ }
+ if (skin.hbmpSkinParts[i][SP_EDGE_LEFT]) // left
+ {
+ SetRect(&rc, 0, top, left, rcHeight - bottom);
+ DrawBitmapPart(hdcMem, skin.hbmpSkinParts[i][SP_EDGE_LEFT], &rc, opt.transfMode[i]);
+ }
+
+ // draw corners
+ if (skin.hbmpSkinParts[i][SP_CORNER_TL]) // TL
+ {
+ SelectObject(hdcMem, skin.hbmpSkinParts[i][SP_CORNER_TL]);
+ AlphaBlend(skin.hdc, 0, 0, left, top, hdcMem, 0, 0, left, top, blend);
+ }
+ if (skin.hbmpSkinParts[i][SP_CORNER_TR]) // TR
+ {
+ SelectObject(hdcMem, skin.hbmpSkinParts[i][SP_CORNER_TR]);
+ AlphaBlend(skin.hdc, rcWidth - right, 0, right, top, hdcMem, 0, 0, right, top, blend);
+ }
+ if (skin.hbmpSkinParts[i][SP_CORNER_BR]) // BR
+ {
+ SelectObject(hdcMem, skin.hbmpSkinParts[i][SP_CORNER_BR]);
+ AlphaBlend(skin.hdc, rcWidth - right, rcHeight - bottom, right, bottom, hdcMem, 0, 0, right, bottom, blend);
+ }
+ if (skin.hbmpSkinParts[i][SP_CORNER_BL]) // BL
+ {
+ SelectObject(hdcMem, skin.hbmpSkinParts[i][SP_CORNER_BL]);
+ AlphaBlend(skin.hdc, 0, rcHeight - bottom, left, bottom, hdcMem, 0, 0, left, bottom, blend);
+ }
+ }
+
+ for (int j = 0; j < SP_CORNER_TL; j++)
+ {
+ if (skin.hbmpSkinParts[i][j])
+ {
+ DeleteObject(skin.hbmpSkinParts[i][j]);
+ skin.hbmpSkinParts[i][j] = NULL;
+ }
+ }
+
+ if (MyUpdateLayeredWindow)
+ skin.bNeedLayerUpdate = true;
+
+ DeleteDC(hdcMem);
+ }
+ }
+
+ skin.bCached = true;
+}
+
+void SolidColorFill(bool bServiceTip)
+{
+ RECT rc = {0};
+ rc.right = skin.iWidth;
+ rc.bottom = skin.iHeight;
+ HBRUSH hBrush = CreateSolidBrush(opt.colBg);
+ FillRect(skin.hdc, &rc, hBrush);
+ DeleteObject(hBrush);
+
+ if (opt.iSidebarWidth > 0 && !bServiceTip)
+ {
+ rc.right = opt.iSidebarWidth;
+ hBrush = CreateSolidBrush(opt.colSidebar);
+ FillRect(skin.hdc, &rc, hBrush);
+ DeleteObject(hBrush);
+ }
+}
+
+void CreateSkinBitmap(int iWidth, int iHeight, bool bServiceTip)
+{
+ if (skin.hBitmap) DeleteObject(skin.hBitmap);
+ if (skin.hdc) DeleteDC(skin.hdc);
+ skin.hBitmap = NULL;
+ skin.hdc = NULL;
+
+ skin.iWidth = iWidth;
+ skin.iHeight = iHeight;
+ skin.bNeedLayerUpdate = false;
+
+ BITMAPINFO bi;
+ bi.bmiHeader.biSize = sizeof(bi.bmiHeader);
+ bi.bmiHeader.biWidth = skin.iWidth;
+ bi.bmiHeader.biHeight = -skin.iHeight;
+ bi.bmiHeader.biPlanes = 1;
+ bi.bmiHeader.biBitCount = 32;
+ bi.bmiHeader.biCompression = BI_RGB;
+ skin.hBitmap = (HBITMAP)CreateDIBSection(0, &bi, DIB_RGB_COLORS, (void **)&skin.colBits, 0, 0);
+
+ if (!skin.hBitmap)
+ return;
+
+ skin.hdc = CreateCompatibleDC(0);
+ DeleteObject(SelectObject(skin.hdc, skin.hBitmap));
+
+ if (opt.skinMode == SM_COLORFILL)
+ {
+ SolidColorFill(bServiceTip);
+ }
+ else
+ {
+ CreateFromBitmaps(bServiceTip);
+ if (opt.iEnableColoring == 1)
+ ColorizeBitmap();
+ }
+}
+
+void DestroySkinBitmap()
+{
+ for (int i = 0; i < SKIN_ITEMS_COUNT; i++)
+ {
+ if (skin.fib[i])
+ {
+ fii->FI_Unload(skin.fib[i]);
+ skin.fib[i] = NULL;
+ }
+
+ for (int j = SP_CORNER_TL; j < SKIN_PARTS_COUNT; j++)
+ {
+ if (skin.hbmpSkinParts[i][j])
+ {
+ DeleteObject(skin.hbmpSkinParts[i][j]);
+ skin.hbmpSkinParts[i][j] = NULL;
+ }
+ }
+ }
+
+ skin.bCached = false;
+}
+
+void SaveAlpha(LPRECT lpRect)
+{
+ if (skin.colSavedBits)
+ {
+ mir_free(skin.colSavedBits);
+ skin.colSavedBits = 0;
+ }
+ GdiFlush();
+
+ if (lpRect->left < 0) lpRect->left = 0;
+ if (lpRect->top < 0) lpRect->top = 0;
+ if (lpRect->right > skin.iWidth) lpRect->right = skin.iWidth;
+ if (lpRect->bottom > skin.iHeight) lpRect->bottom = skin.iHeight;
+
+ int x = lpRect->left;
+ int y = lpRect->top;
+ int w = lpRect->right - lpRect->left;
+ int h = lpRect->bottom - lpRect->top;
+
+ skin.colSavedBits = (COLOR32 *)mir_alloc(sizeof(COLOR32) * w * h);
+ COLOR32 *p1 = skin.colSavedBits;
+
+ for (int i = 0; i < h; i++)
+ {
+ if (i+y < 0) continue;
+ if (i+y >= skin.iHeight) break;
+ COLOR32 *p2 = skin.colBits + (y+i)*skin.iWidth + x;
+ for (int j = 0; j < w; j++)
+ {
+ if (j+x < 0) continue;
+ if (j+x >= skin.iWidth) break;
+ *p1++ = *p2++;
+ }
+ }
+}
+
+void RestoreAlpha(LPRECT lpRect, BYTE alpha)
+{
+ if (!skin.colSavedBits)
+ return;
+
+ GdiFlush();
+
+ if (lpRect->left < 0) lpRect->left = 0;
+ if (lpRect->top < 0) lpRect->top = 0;
+ if (lpRect->right > skin.iWidth) lpRect->right = skin.iWidth;
+ if (lpRect->bottom > skin.iHeight) lpRect->bottom = skin.iHeight;
+
+ int x = lpRect->left;
+ int y = lpRect->top;
+ int w = lpRect->right - lpRect->left;
+ int h = lpRect->bottom - lpRect->top;
+
+ COLOR32 *p1 = skin.colSavedBits;
+
+ for (int i = 0; i < h; i++)
+ {
+ if (i+y < 0) continue;
+ if (i+y >= skin.iHeight) break;
+ COLOR32 *p2 = skin.colBits + (y+i)*skin.iWidth + x;
+ for (int j = 0; j < w; j++)
+ {
+ if (j+x < 0) continue;
+ if (j+x >= skin.iWidth) break;
+ if ((*p1&0x00ffffff) != (*p2&0x00ffffff))
+ {
+ *p2 |= (alpha << 24);
+ }
+ else
+ {
+ *p2 = (*p2&0x00ffffff) | (*p1&0xff000000);
+ }
+ ++p1;
+ ++p2;
+ }
+ }
+
+ mir_free(skin.colSavedBits);
+ skin.colSavedBits = 0;
+}
+
+BOOL IsAlphaTransparent(HBITMAP hBitmap)
+{
+ BITMAP bmp;
+ DWORD dwLen;
+ BYTE *p;
+
+ GetObject(hBitmap, sizeof(bmp), &bmp);
+
+ if (bmp.bmBitsPixel != 32)
+ return FALSE;
+
+ dwLen = bmp.bmWidth * bmp.bmHeight * (bmp.bmBitsPixel / 8);
+ p = (BYTE *)mir_alloc(dwLen);
+ if (p == NULL) return FALSE;
+ memset(p, 0, dwLen);
+
+ GetBitmapBits(hBitmap, dwLen, p);
+
+ for (int y = 0; y < bmp.bmHeight; y++)
+ {
+ BYTE *px = p + bmp.bmWidth * 4 * y;
+ for (int x = 0; x < bmp.bmWidth; x++)
+ {
+ if (px[3] != 0)
+ {
+ mir_free(p);
+ return TRUE;
+ }
+
+ px += 4;
+ }
+ }
+
+ mir_free(p);
+ return FALSE;
+}
+
+void DrawIconExAlpha(HDC hdc, int xLeft, int yTop, HICON hIcon, int cxWidth, int cyWidth, UINT istepIfAniCur, HBRUSH hbrFlickerFreeDraw, UINT diFlags, bool bIsSmiley)
+{
+ bool restore = false;
+
+ if (skin.bNeedLayerUpdate && !bIsSmiley)
+ {
+ ICONINFO icon;
+ if (GetIconInfo(hIcon, &icon))
+ {
+ if (!IsAlphaTransparent(icon.hbmColor))
+ {
+ RECT rc;
+ SetRect(&rc, xLeft, yTop, xLeft + cxWidth, yTop + cyWidth);
+ SaveAlpha(&rc);
+ restore = true;
+ }
+
+ DeleteObject(icon.hbmColor);
+ DeleteObject(icon.hbmMask);
+ }
+ }
+
+ DrawIconEx(hdc, xLeft, yTop, hIcon, cxWidth, cyWidth, istepIfAniCur, hbrFlickerFreeDraw, diFlags);
+
+ if (skin.bNeedLayerUpdate && restore)
+ {
+ RECT rc;
+ SetRect(&rc, xLeft, yTop, xLeft + cxWidth, yTop + cyWidth);
+ RestoreAlpha(&rc);
+ }
+}
+
+int DrawTextAlpha(HDC hdc, LPCTSTR lpString, int nCount, LPRECT lpRect, UINT uFormat)
+{
+ RECT rc;
+ SetRect(&rc, lpRect->left - 1, lpRect->top - 1, lpRect->right + 1, lpRect->bottom + 1);
+
+ if (skin.bNeedLayerUpdate) SaveAlpha(&rc);
+ int result = DrawText(hdc, lpString, nCount, lpRect, uFormat);
+ if (skin.bNeedLayerUpdate) RestoreAlpha(&rc);
+
+ return result;
+}
+
+static __forceinline COLOR32 rgba(COLOR32 r, COLOR32 g, COLOR32 b, COLOR32 a)
+{
+ return ((a & 0xff) << 24) | ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff);
+}
+
+static __forceinline COLOR32 getr(COLOR32 c)
+{
+ return (c >> 16) & 0xff;
+}
+
+static __forceinline COLOR32 getg(COLOR32 c)
+{
+ return (c >> 8) & 0xff;
+}
+
+static __forceinline COLOR32 getb(COLOR32 c)
+{
+ return c & 0xff;
+}
+
+static __forceinline COLOR32 geta(COLOR32 c)
+{
+ return (c >> 24) & 0xff;
+}
+
+void PremultipleChannels()
+{
+ for (int i = 0; i < skin.iWidth * skin.iHeight; i++)
+ skin.colBits[i] = rgba( getr(skin.colBits[i])*geta(skin.colBits[i])/255,
+ getg(skin.colBits[i])*geta(skin.colBits[i])/255,
+ getb(skin.colBits[i])*geta(skin.colBits[i])/255,
+ geta(skin.colBits[i]));
+}
+
+#define PU_DIV255(x) ((x)/255)
+
+void ColorizeBitmap()
+{
+ if (!skin.colBits)
+ return;
+
+ GdiFlush();
+
+ int w = skin.iWidth;
+ int h = skin.iHeight;
+
+ // we should swap B and R channels when working with win32 COLORREF
+ float koef1r = (255 - getb(opt.colBg)) / 128.0;
+ float koef1g = (255 - getg(opt.colBg)) / 128.0;
+ float koef1b = (255 - getr(opt.colBg)) / 128.0;
+
+ int br = - 255 + 2 * getb(opt.colBg);
+ int bg = - 255 + 2 * getg(opt.colBg);
+ int bb = - 255 + 2 * getr(opt.colBg);
+
+ float koef2r = (getb(opt.colBg)) / 128.0;
+ float koef2g = (getg(opt.colBg)) / 128.0;
+ float koef2b = (getr(opt.colBg)) / 128.0;
+
+ for (int i = 0; i < w * h; i++)
+ {
+ long alpha = geta(skin.colBits[i]);
+ COLOR32 cl = alpha ? getr(skin.colBits[i])*255/alpha : 0;
+
+ skin.colBits[i] = (cl > 128) ?
+ rgba(
+ PU_DIV255((koef1r * cl + br)*alpha),
+ PU_DIV255((koef1g * cl + bg)*alpha),
+ PU_DIV255((koef1b * cl + bb)*alpha),
+ alpha):
+ rgba(
+ PU_DIV255(koef2r * cl * alpha),
+ PU_DIV255(koef2g * cl * alpha),
+ PU_DIV255(koef2b * cl * alpha),
+ alpha);
+ }
+}
+
+// code from Clist Modern by FYR
+HRGN CreateOpaqueRgn(BYTE level, bool bOpaque)
+{
+ if (!skin.colBits)
+ return NULL;
+
+ GdiFlush();
+
+ RGBQUAD *buff = (RGBQUAD *)skin.colBits;
+
+ int x,y;
+ unsigned int cRect = 64;
+ PRGNDATA pRgnData = (PRGNDATA)malloc(sizeof(RGNDATAHEADER) + (cRect)*sizeof(RECT));
+ memset(pRgnData, 0, sizeof(RGNDATAHEADER));
+ pRgnData->rdh.dwSize = sizeof(RGNDATAHEADER);
+ pRgnData->rdh.iType = RDH_RECTANGLES;
+
+ for (y = 0; y < skin.iHeight; ++y)
+ {
+ bool inside = false;
+ bool lastin = false;
+ unsigned int entry = 0;
+
+ for (x = 0; x < skin.iWidth; ++x)
+ {
+ inside = bOpaque ? (buff->rgbReserved > level) : (buff->rgbReserved < level);
+ ++buff;
+
+ if (inside != lastin)
+ {
+ if (inside)
+ {
+ lastin = true;
+ entry = x;
+ }
+ else
+ {
+ if (pRgnData->rdh.nCount == cRect)
+ {
+ cRect = cRect + 64;
+ pRgnData = (PRGNDATA)realloc(pRgnData, sizeof(RGNDATAHEADER) + (cRect)*sizeof(RECT));
+ }
+
+ SetRect(((LPRECT)pRgnData->Buffer) + pRgnData->rdh.nCount, entry, skin.iHeight - y, x, skin.iHeight - y + 1);
+ pRgnData->rdh.nCount++;
+ lastin = false;
+ }
+ }
+ }
+
+ if (lastin)
+ {
+ if (pRgnData->rdh.nCount == cRect)
+ {
+ cRect = cRect + 64;
+ pRgnData = (PRGNDATA)realloc(pRgnData, sizeof(RGNDATAHEADER) + (cRect)*sizeof(RECT));
+ }
+
+ SetRect(((LPRECT)pRgnData->Buffer) + pRgnData->rdh.nCount, entry, skin.iHeight - y, x, skin.iHeight - y + 1);
+ pRgnData->rdh.nCount++;
+ }
+ }
+
+ HRGN hRgn = ExtCreateRegion(NULL, sizeof(RGNDATAHEADER) + pRgnData->rdh.nCount*sizeof(RECT), (LPRGNDATA)pRgnData);
+ free(pRgnData);
+ return hRgn;
+}
\ No newline at end of file |