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#include "main.h"
#include "./loadimage.h"
#include "./api.h"
#include <api/service/waServiceFactory.h>
#include <api/service/svcs/svc_imgload.h>
#define ABS(x) (((x) > 0) ? (x) : (-x))
static HANDLE ReadFromFile(LPCWSTR pszImage, DWORD *size, HANDLE *hres)
{
HANDLE hFile = CreateFileW(pszImage, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL), hmem(NULL);
*size = 0;
if (INVALID_HANDLE_VALUE != hFile)
{
*size = GetFileSize(hFile, NULL);
if (INVALID_FILE_SIZE != *size)
{
hmem = HeapAlloc(GetProcessHeap(), 0, *size);
if (hmem)
{
DWORD readed = 0;
if (!ReadFile(hFile, hmem, *size, &readed, NULL) || *size != readed)
{
HeapFree(GetProcessHeap(), 0, hmem);
hmem = NULL;
}
}
}
CloseHandle(hFile);
}
*hres = hmem;
return hmem;
}
static HANDLE ReadFromRes(HMODULE hMod, LPCWSTR pszSection, LPCWSTR pszImage, DWORD *size, HANDLE *hres)
{
*size = 0;
HRSRC res = FindResourceW(hMod, pszImage, pszSection);
if (res)
{
*hres = LoadResource(hMod, res);
*size = SizeofResource(hMod, res);
return LockResource(*hres);
}
return NULL;
}
static HANDLE LoadImg(HANDLE data, DWORD size, INT *cx, INT *cy, BOOL premult)
{
FOURCC imgload = svc_imageLoader::getServiceType();
int n = (int) WASABI_API_SVC->service_getNumServices(imgload);
for (int i=0; i<n; i++)
{
waServiceFactory *sf = WASABI_API_SVC->service_enumService(imgload,i);
if (sf)
{
svc_imageLoader * l = (svc_imageLoader*)sf->getInterface();
if (l)
{
if (l->testData(data,size))
{
HANDLE ret;
ret = (premult) ? l->loadImage(data, size, cx, cy) : l->loadImageData(data, size, cx, cy);
sf->releaseInterface(l);
return ret;
}
sf->releaseInterface(l);
}
}
}
return NULL;
}
HBITMAP WALoadImage(HMODULE hMod, LPCWSTR pszSection, LPCWSTR pszImage, BOOL bPremult)
{
BITMAPINFOHEADER header = {0};
HBITMAP hbmp = NULL;
HANDLE hres = NULL;
LPVOID dib = NULL;
DWORD size = 0;
header.biBitCount = 32;
header.biPlanes = 1;
header.biSize = sizeof(BITMAPINFOHEADER);
LPVOID data = (!hMod) ? ReadFromFile(pszImage, &size, &hres) : ReadFromRes(hMod, pszSection, pszImage, &size, &hres);
if (data) data = LoadImg(data, size, (int*)&header.biWidth, (int*)&header.biHeight, bPremult);
if (hres)
{
(hMod) ? FreeResource(hres) : HeapFree(GetProcessHeap(), 0, hres);
}
if (data)
{
header.biHeight = 0 - header.biHeight;
hbmp = CreateDIBSection(NULL, (LPBITMAPINFO)&header, DIB_RGB_COLORS, &dib, NULL, 0);
if (hbmp) CopyMemory(dib, data, header.biWidth * ABS(header.biHeight) * sizeof(DWORD));
WASABI_API_MEMMGR->sysFree(data);
}
else hbmp = NULL;
return hbmp;
}
HBITMAP WAResizeImage(HBITMAP hbmp, INT cx, INT cy, HBRUSH hbBk)
{
BITMAP bi = {0};
if (!hbmp || !GetObject(hbmp, sizeof(BITMAP), &bi)) return hbmp;
if (bi.bmWidth != cx || bi.bmHeight != cy)
{
INT ix = cx, iy = cy;
HDC hdc = GetDC(NULL),
hdcSrc = CreateCompatibleDC(hdc),
hdcDst = CreateCompatibleDC(hdc);
HBITMAP hbmpOld1 = (HBITMAP)SelectObject(hdcSrc, hbmp);
hbmp = CreateCompatibleBitmap(hdc, cx, cy);
HBITMAP hbmpOld2 = (HBITMAP)SelectObject(hdcDst, hbmp);
if (ix != cx || iy != cy)
{
RECT r;
SetRect(&r, 0, 0, cx, cy);
FillRect(hdcDst, &r, hbBk);
}
SetStretchBltMode(hdcDst, HALFTONE);
StretchBlt(hdcDst, (cx - ix)/2, (cy - iy)/2, ix, iy, hdcSrc, 0, 0, bi.bmWidth, bi.bmHeight, SRCCOPY);
SelectObject(hdcDst, hbmpOld2);
hbmpOld2 = (HBITMAP)SelectObject(hdcSrc, hbmpOld1);
if (hbmpOld2) DeleteObject(hbmpOld2);
DeleteDC(hdcSrc);
DeleteDC(hdcDst);
ReleaseDC(NULL, hdc);
}
return hbmp;
}
HBITMAP WABlendOnColor(HBITMAP hbmp, COLORREF rgbBk)
{
DIBSECTION dibsec = {0};
LONG pitch, x;
INT cx, cy;
LPBYTE cursor = NULL, line = NULL, pData = NULL;
if (!hbmp || sizeof(DIBSECTION) != GetObjectW(hbmp, sizeof(DIBSECTION), &dibsec) ||
BI_RGB != dibsec.dsBmih.biCompression || 1 != dibsec.dsBmih.biPlanes || 32 != dibsec.dsBm.bmBitsPixel) return hbmp;
cx = dibsec.dsBm.bmWidth;
cy = dibsec.dsBm.bmHeight;
pitch = dibsec.dsBm.bmWidth*4;
pData = (LPBYTE)dibsec.dsBm.bmBits;
for (line = pData; cy-- != 0; line += pitch )
{
for (x = cx, cursor = line; x-- != 0; cursor += 4)
{
if (0x00 == cursor[3])
{
cursor[0] = GetBValue(rgbBk);
cursor[1] = GetGValue(rgbBk);
cursor[2] = GetRValue(rgbBk);
cursor[3] = 0xFF;
}
else if (cursor[3] != 0xFF)
{
cursor[0] = (cursor[0]*cursor[3] + (((255 - cursor[3])*255 + 127)/255)*GetBValue(rgbBk) + 127)/255;
cursor[1] = (cursor[1]*cursor[3] + (((255 - cursor[3])*255 + 127)/255)*GetGValue(rgbBk) + 127)/255;
cursor[2] = (cursor[2]*cursor[3] + (((255 - cursor[3])*255 + 127)/255)*GetRValue(rgbBk) + 127)/255;
cursor[3] = 0xFF;
}
}
}
return hbmp;
}
HBITMAP WACreatePatternBitmap(INT cx, INT cy, INT bpp, HBRUSH hbPattern, LPBYTE *ppData)
{
BITMAPINFOHEADER bi = {0};
RECT r;
HDC hdcTmp = CreateCompatibleDC(NULL);
bi.biSize = sizeof (bi);
bi.biWidth= cx;
bi.biHeight = -cy;
bi.biPlanes = 1;
bi.biBitCount= (WORD)bpp;
HBITMAP hbmpPattern = CreateDIBSection(hdcTmp, (BITMAPINFO *)&bi, DIB_RGB_COLORS, (LPVOID*)ppData, NULL, NULL);
if (!hbmpPattern) return NULL;
HBITMAP hbmpOld = (HBITMAP)SelectObject(hdcTmp, hbmpPattern);
SetRect(&r, 0, 0, cx, cy);
FillRect(hdcTmp, &r, hbPattern);
SelectObject(hdcTmp, hbmpOld);
DeleteDC(hdcTmp);
return hbmpPattern;
}
HBITMAP WABlendOnARGB32(HBITMAP hbmp, LPBYTE pRGB)
{
DIBSECTION dibsec = {0};
LONG pitch, x;
INT cx, cy;
LPBYTE cursor = NULL, cursor2 = NULL, line = NULL, line2 = NULL, pData = NULL;
if (!hbmp || sizeof(DIBSECTION) != GetObjectW(hbmp, sizeof(DIBSECTION), &dibsec) ||
BI_RGB != dibsec.dsBmih.biCompression || 1 != dibsec.dsBmih.biPlanes || 32 != dibsec.dsBm.bmBitsPixel) return hbmp;
cx = dibsec.dsBm.bmWidth;
cy = dibsec.dsBm.bmHeight;
pitch = dibsec.dsBm.bmWidth*4;
pData = (LPBYTE)dibsec.dsBm.bmBits;
for (line = pData, line2 = pRGB; cy-- != 0; line += pitch, line2 += pitch )
{
for (x = cx, cursor = line, cursor2 = line2; x-- != 0; cursor += 4, cursor2 += 4)
{
if (0x00 == cursor[3]) *((DWORD*)cursor) = *((DWORD*)cursor2);
else if (cursor[3] != 0xFF)
{
cursor[0] = (cursor[0]*cursor[3] + (((255 - cursor[3])*255 + 127)/255)*cursor2[0] + 127)/255;
cursor[1] = (cursor[1]*cursor[3] + (((255 - cursor[3])*255 + 127)/255)*cursor2[1] + 127)/255;
cursor[2] = (cursor[2]*cursor[3] + (((255 - cursor[3])*255 + 127)/255)*cursor2[2] + 127)/255;
}
cursor[3] = 0xFF;
}
}
return hbmp;
}
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