void Surface::EffectsBlit(int x, int y, Bitmap* src, Rect src_rect,
int top_opacity, int bottom_opacity, int opacity_split,
const Tone& tone,
double zoom_x, double zoom_y, double angle,
int waver_depth, double waver_phase) {
bool rotate = angle != 0.0;
bool scale = zoom_x != 1.0 || zoom_y != 1.0;
bool waver = waver_depth != 0;
bool tone_change = tone != Tone();
bool opacity =
(opacity_split <= 0) ? (top_opacity < 255) :
(opacity_split >= src_rect.height) ? (bottom_opacity < 255) :
(top_opacity < 255 || bottom_opacity < 255);
opacity = top_opacity < 255 || bottom_opacity < 255;
Surface* draw = (Surface*) NULL;
if (tone_change) {
if (!rotate && !scale && !opacity && !waver) {
ToneBlit(x, y, src, src_rect, tone);
return;
}
bool transparent = src->GetTransparent();
draw = CreateSurface(src_rect.width, src_rect.height, transparent);
if (transparent)
draw->Clear();
draw->ToneBlit(0, 0, src, src_rect, tone);
src = draw;
src_rect.x = 0;
src_rect.y = 0;
}
if (rotate) {
Matrix fwd = Matrix::Setup(angle, zoom_x, zoom_y, src_rect.x, src_rect.y, x, y);
EffectsBlit(fwd, src, src_rect, top_opacity, bottom_opacity, opacity_split);
}
else if (scale)
EffectsBlit(x, y, src, src_rect,
top_opacity, bottom_opacity, opacity_split,
zoom_x, zoom_y,
waver_depth, waver_phase);
else
EffectsBlit(x, y, src, src_rect,
top_opacity, bottom_opacity, opacity_split,
waver_depth, waver_phase);
if (draw != NULL)
delete draw;
}
void Bitmap::EffectsBlit(int x, int y, Bitmap const& src, Rect const& src_rect_,
int top_opacity, int bottom_opacity, int opacity_split,
const Tone& tone,
double zoom_x, double zoom_y, double angle,
int waver_depth, double waver_phase) {
Rect src_rect = src_rect_;
bool rotate = angle != 0.0;
bool scale = zoom_x != 1.0 || zoom_y != 1.0;
bool waver = waver_depth != 0;
bool tone_change = tone != Tone();
bool opacity =
(opacity_split <= 0) ? (top_opacity < 255) :
(opacity_split >= src_rect.height) ? (bottom_opacity < 255) :
(top_opacity < 255 || bottom_opacity < 255);
opacity = top_opacity < 255 || bottom_opacity < 255;
Bitmap const* draw = &src;
BitmapRef draw_;
if (tone_change) {
if (!rotate && !scale && !opacity && !waver) {
ToneBlit(x, y, src, src_rect, tone);
return;
}
bool transparent = src.GetTransparent();
draw_ = Create(src_rect.width, src_rect.height, transparent);
if (transparent)
draw_->Clear();
draw_->ToneBlit(0, 0, src, src_rect, tone);
draw = draw_.get();
src_rect.x = 0;
src_rect.y = 0;
}
if (rotate) {
Matrix fwd = Matrix::Setup(angle, zoom_x, zoom_y, src_rect.x, src_rect.y, x, y);
EffectsBlit(fwd, src, src_rect, top_opacity, bottom_opacity, opacity_split);
}
else if (scale)
EffectsBlit(x, y, *draw, src_rect,
top_opacity, bottom_opacity, opacity_split,
zoom_x, zoom_y,
waver_depth, waver_phase);
else
EffectsBlit(x, y, *draw, src_rect,
top_opacity, bottom_opacity, opacity_split,
waver_depth, waver_phase);
}
////////////////////////////////////////////////////////////
// Rotate, Zoom, Split Opacity
void Surface::EffectsBlit(const Matrix &fwd, Bitmap* src, Rect src_rect,
int top_opacity, int bottom_opacity, int opacity_split) {
if (opacity_split <= 0)
EffectsBlit(fwd, src, src_rect, top_opacity);
else if (opacity_split >= src_rect.height)
EffectsBlit(fwd, src, src_rect, bottom_opacity);
else {
Rect blit_rect = src_rect;
blit_rect.height -= opacity_split;
EffectsBlit(fwd, src, blit_rect, top_opacity);
blit_rect = src_rect;
blit_rect.y = src_rect.height - opacity_split;
blit_rect.height = opacity_split;
EffectsBlit(fwd, src, blit_rect, bottom_opacity);
}
}
// Waver, Zoom, Split Opacity
void Bitmap::EffectsBlit(int x, int y, Bitmap const& src, Rect const& src_rect,
int top_opacity, int bottom_opacity, int opacity_split,
double zoom_x, double zoom_y,
int waver_depth, double waver_phase) {
int zoomed_width = (int)(src_rect.width * zoom_x);
int zoomed_height = (int)(src_rect.height * zoom_y);
BitmapRef draw = src.Resample(zoomed_width, zoomed_height, src_rect);
EffectsBlit(x, y, *draw, draw->GetRect(),
top_opacity, bottom_opacity, (int) (opacity_split * zoom_y),
waver_depth, waver_phase);
}
////////////////////////////////////////////////////////////
// Waver, Zoom, Split Opacity
void Surface::EffectsBlit(int x, int y, Bitmap* src, Rect src_rect,
int top_opacity, int bottom_opacity, int opacity_split,
double zoom_x, double zoom_y,
int waver_depth, double waver_phase) {
int zoomed_width = (int)(src_rect.width * zoom_x);
int zoomed_height = (int)(src_rect.height * zoom_y);
Bitmap* draw = src->Resample(zoomed_width, zoomed_height, src_rect);
EffectsBlit(x, y, draw, draw->GetRect(),
top_opacity, bottom_opacity, (int) (opacity_split * zoom_y),
waver_depth, waver_phase);
delete draw;
}
////////////////////////////////////////////////////////////
// Waver, Split Opacity
void Surface::EffectsBlit(int x, int y, Bitmap* src, Rect src_rect,
int top_opacity, int bottom_opacity, int opacity_split,
int waver_depth, double waver_phase) {
if (opacity_split <= 0)
EffectsBlit(x, y, src, src_rect,
top_opacity, waver_depth, waver_phase);
else if (opacity_split >= src_rect.height)
EffectsBlit(x, y, src, src_rect,
bottom_opacity, waver_depth, waver_phase);
else {
Rect blit_rect = src_rect;
blit_rect.height -= opacity_split;
EffectsBlit(x, y, src, blit_rect,
top_opacity, waver_depth, waver_phase);
blit_rect = src_rect;
blit_rect.y = src_rect.height - opacity_split;
blit_rect.height = opacity_split;
x += src_rect.height - opacity_split;
EffectsBlit(x, y, src, blit_rect,
bottom_opacity, waver_depth, waver_phase);
}
}
