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amarec_move_watermark.cpp
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amarec_move_watermark.cpp
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#include "amarec_move_watermark.h"
#include "Mask.h"
#include "MaskPixel.h"
#include "Colorspace.h"
EXTERN_C FILTER_DLL __declspec(dllexport)* __stdcall GetFilterTable()
{
static bool s_initialized = false;
static FILTER_DLL s_filter;
static char* track_name[] = { "delta X", "delta Y" };
static int track_default[] = { 0, 0 };
static int track_s[] = { 0, 0 };
static int track_e[] = { 100, 100 };
if (!s_initialized) {
memset(&s_filter, 0, sizeof(s_filter));
s_filter.flag = FILTER_FLAG_EX_INFORMATION;
s_filter.x = 0;
s_filter.y = 0;
s_filter.name = "amarec_move_watermark";
s_filter.track_n = 2;
s_filter.track_name = track_name;
s_filter.track_default = track_default;
s_filter.track_s = track_s;
s_filter.track_e = track_e;
s_filter.check_n = 0;
s_filter.check_name = nullptr;
s_filter.check_default = nullptr;
s_filter.func_proc = func_proc;
s_filter.func_WndProc = func_WndProc;
s_filter.information = "amarec_move_watermark";
s_initialized = true;
}
return &s_filter;
}
static int s_filtered_width = 0;
static int s_filtered_height = 0;
BOOL func_proc(FILTER* fp, FILTER_PROC_INFO *fpip)
{
if (!fp) {
return FALSE;
}
if (!fpip) {
return FALSE;
}
if (!fpip->ycp_edit) {
return FALSE;
}
int const width = fpip->w;
int const height = fpip->h;
s_filtered_width = width;
s_filtered_height = height;
int bottomMargin, leftMargin;
Mask const* mask = Mask::selectMask(width, height, leftMargin, bottomMargin);
if (mask == nullptr) {
return TRUE;
}
int const xoffset = leftMargin;
int const yoffset = height - bottomMargin - mask->height_;
int minMaskY = std::max(0, -yoffset);
int maxMaskY = std::min(mask->height_ - 1, height - 1 - yoffset);
int minMaskX = std::max(0, -xoffset);
int maxMaskX = std::min(mask->width_ - 1, width - 1 - xoffset);
for (int maskY = minMaskY; maskY <= maxMaskY; ++maskY) {
int const y = yoffset + maskY;
assert(0 <= y && y < height);
PIXEL_YC* pixel = fpip->ycp_edit + y * fpip->max_w + minMaskX + xoffset;
MaskPixel const* maskPtr = mask->pixelData_ + maskY * mask->width_ + minMaskX;
for (int maskX = minMaskX; maskX <= maxMaskX; ++maskX) {
float r, g, b;
Colorspace::getRGBFromYCbCr(pixel->y, pixel->cb, pixel->cr, r, g, b);
float recoveredR, recoveredG, recoveredB;
mask->unmask(maskPtr, r, g, b, recoveredR, recoveredG, recoveredB);
Colorspace::getYCbCrFromRGB(recoveredR, recoveredG, recoveredB, pixel->y, pixel->cb, pixel->cr);
++pixel;
++maskPtr;
}
}
int const xShift = fp->track[0];
int const yShift = fp->track[1];
minMaskY = std::max(0, -yoffset - yShift);
maxMaskY = std::min(mask->height_ - 1, height - 1 - yoffset - yShift);
minMaskX = std::max(0, -xoffset - xShift);
maxMaskX = std::min(mask->width_ - 1, width - 1 - xoffset - xShift);
for (int maskY = minMaskY; maskY <= maxMaskY; ++maskY) {
int const y = yoffset + maskY + yShift;
assert(0 <= y && y < height);
PIXEL_YC* pixel = fpip->ycp_edit + y * fpip->max_w + xoffset + minMaskX + xShift;
MaskPixel const* maskPtr = mask->pixelData_ + maskY * mask->width_ + minMaskX;
for (int maskX = minMaskX; maskX <= maxMaskX; ++maskX) {
float r, g, b;
Colorspace::getRGBFromYCbCr(pixel->y, pixel->cb, pixel->cr, r, g, b);
float recoveredR, recoveredG, recoveredB;
mask->mask(maskPtr, r, g, b, recoveredR, recoveredG, recoveredB);
Colorspace::getYCbCrFromRGB(recoveredR, recoveredG, recoveredB, pixel->y, pixel->cb, pixel->cr);
++pixel;
++maskPtr;
}
}
return TRUE;
}
BOOL func_WndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam, void *editp, FILTER *fp)
{
if (!fp) {
return FALSE;
}
if (!editp) {
return FALSE;
}
if (fp->exfunc->is_saving(editp)) {
return FALSE;
}
if (s_filtered_width <= 0 || s_filtered_height <= 0) {
return FALSE;
}
int leftMargin, bottomMargin;
Mask const* mask = Mask::selectMask(s_filtered_width, s_filtered_height, leftMargin, bottomMargin);
if (!mask) {
return FALSE;
}
int const minXShift = -leftMargin;
int const maxXShift = s_filtered_width - mask->width_ - leftMargin;
int const minYShift = -(s_filtered_height - bottomMargin - mask->height_);
int const maxYShift = bottomMargin;
bool changed = false;
changed |= fp->track_s[0] != minXShift;
changed |= fp->track_e[0] != maxXShift;
changed |= fp->track_s[1] != minYShift;
changed |= fp->track_e[1] != maxYShift;
if (changed) {
fp->track_s[0] = minXShift;
fp->track_e[0] = maxXShift;
fp->track_s[1] = minYShift;
fp->track_e[1] = maxYShift;
char const* kClassName = "msctls_trackbar32";
HWND deltaX = FindWindowExA(hwnd, nullptr, kClassName, nullptr);
if (deltaX) {
SendMessageA(deltaX, TBM_SETRANGE, (WPARAM)FALSE, (LPARAM)MAKELONG(minXShift, maxXShift));
HWND deltaY = FindWindowExA(hwnd, deltaX, kClassName, nullptr);
if (deltaY) {
SendMessageA(deltaY, TBM_SETRANGE, (WPARAM)FALSE, (LPARAM)MAKELONG(minYShift, maxYShift));
}
}
}
return FALSE;
}