Boolean checkerboardeffect_step(const MCRectangle &drect, MCStackSurface *p_target, MCGImageRef p_start, MCGImageRef p_end, Visual_effects dir, uint4 delta, uint4 duration)
{
int2 newy = (Checkersize << 1) * delta / duration;
MCGRectangle t_src_rect, t_dst_rect;
t_src_rect = MCGRectangleMake(0, 0, drect.width, drect.height);
t_dst_rect = MCGRectangleTranslate(t_src_rect, drect.x, drect.y);
p_target->Composite(t_dst_rect, p_start, t_src_rect, 1.0, kMCGBlendModeCopy);
bool t_odd = false;
for (uint32_t x = 0; x < drect.width; x += Checkersize)
{
for (int32_t y = (t_odd ? -Checkersize : 0); y < drect.height; y += Checkersize * 2)
{
t_src_rect = MCGRectangleMake(x, y, Checkersize, newy);
t_dst_rect = MCGRectangleTranslate(t_src_rect, drect.x, drect.y);
p_target->Composite(t_dst_rect, p_end, t_src_rect, 1.0, kMCGBlendModeCopy);
}
t_odd = !t_odd;
}
return True;
}
Boolean zoomeffect_step(const MCRectangle &drect, MCStackSurface *p_target, MCGImageRef p_start, MCGImageRef p_end, Visual_effects dir, uint32_t p_delta, uint32_t p_duration)
{
MCGFloat t_position = (MCGFloat)p_delta / (MCGFloat)p_duration;
uint32_t t_width, t_height;
MCGImageRef t_top, t_bottom;
if (dir == VE_OUT || dir == VE_OPEN)
{
t_bottom = p_start;
t_top = p_end;
t_width = drect.width * t_position;
t_height = drect.height * t_position;
}
else
{
t_bottom = p_end;
t_top = p_start;
t_width = drect.width * (1.0 - t_position);
t_height = drect.height * (1.0 - t_position);
}
MCGRectangle t_src, t_dst, t_top_dst;
t_src = MCGRectangleMake(0.0, 0.0, drect.width, drect.height);
t_dst = MCGRectangleTranslate(t_src, drect.x, drect.y);
t_top_dst = MCGRectangleMake(drect.x + (drect.width - t_width) / 2, drect.y + (drect.height - t_height) / 2, t_width, t_height);
p_target->Composite(t_dst, t_bottom, t_src, 1.0, kMCGBlendModeCopy);
p_target->Composite(t_top_dst, t_top, t_src, 1.0, kMCGBlendModeCopy);
return True;
}
Boolean stretcheffect_step(const MCRectangle &drect, MCStackSurface *p_target, MCGImageRef p_start, MCGImageRef p_end, Visual_effects dir, uint4 delta, uint4 duration)
{
uint2 height = drect.height * delta / duration;
uint32_t t_top, t_bottom;
switch (dir)
{
case VE_TOP:
t_top = 0;
break;
case VE_CENTER:
t_top = (drect.height - height) / 2;
break;
case VE_BOTTOM:
t_top = drect.height - height;
break;
}
t_bottom = t_top + height;
MCGRectangle t_start_src, t_start_dst;
MCGRectangle t_end_src, t_end_dst;
t_start_src = MCGRectangleMake(0.0, 0.0, drect.width, drect.height);
t_start_dst = MCGRectangleTranslate(t_start_src, drect.x, drect.y);
t_end_src = MCGRectangleMake(0.0, 0.0, drect.width, drect.height);
t_end_dst = MCGRectangleMake(drect.x, drect.y + t_top, drect.width, height);
p_target->Composite(t_start_dst, p_start, t_start_src, 1.0, kMCGBlendModeCopy);
p_target->Composite(t_end_dst, p_end, t_end_src, 1.0, kMCGBlendModeCopy);
return True;
}
Boolean barneffect_step(const MCRectangle &drect, MCStackSurface *p_target, MCGImageRef p_start, MCGImageRef p_end, Visual_effects dir, uint4 delta, uint4 duration)
{
uint32_t width, x;
MCGImageRef t_top, t_bottom;
MCGRectangle t_top_src, t_bottom_src;
if (dir == VE_CLOSE)
{
width = (drect.width) * (duration - delta) / duration;
x = (drect.width / 2) * delta / duration;
t_top = p_start;
t_bottom = p_end;
}
else
{
width = (drect.width) * delta / duration;
x = (drect.width / 2) * (duration - delta) / duration;
t_top = p_end;
t_bottom = p_start;
}
t_bottom_src = MCGRectangleMake(0, 0, drect.width, drect.height);
t_top_src = MCGRectangleMake(x, 0, width, drect.height);
p_target->Composite(MCGRectangleTranslate(t_bottom_src, drect.x, drect.y), t_bottom, t_bottom_src, 1.0, kMCGBlendModeCopy);
p_target->Composite(MCGRectangleTranslate(t_top_src, drect.x, drect.y), t_top, t_top_src, 1.0, kMCGBlendModeCopy);
return True;
}
Boolean revealeffect_step(const MCRectangle &drect, MCStackSurface *p_target, MCGImageRef p_start, MCGImageRef p_end, Visual_effects dir, uint4 delta, uint4 duration)
{
uint2 size;
if (dir == VE_LEFT || dir == VE_RIGHT)
size = drect.width * delta / duration;
else
size = drect.height * delta / duration;
MCGRectangle t_start_src, t_end_src, t_dst_rect;
MCGRectangle t_start_dst, t_end_dst;
t_dst_rect = MCRectangleToMCGRectangle(drect);
t_start_src = MCGRectangleMake(0, 0, drect.width, drect.height);
switch (dir)
{
case VE_LEFT:
t_start_dst = MCGRectangleTranslate(t_dst_rect, -(MCGFloat)size, 0.0);
t_end_src = MCGRectangleMake(t_dst_rect.size.width - size, 0.0, size, t_dst_rect.size.height);
break;
case VE_RIGHT:
t_start_dst = MCGRectangleTranslate(t_dst_rect, size, 0.0);
t_end_src = MCGRectangleMake(0.0, 0.0, size, t_dst_rect.size.height);
break;
case VE_UP:
t_start_dst = MCGRectangleTranslate(t_dst_rect, 0.0, -(MCGFloat)size);
t_end_src = MCGRectangleMake(0.0, t_dst_rect.size.height - size, t_dst_rect.size.width, size);
break;
case VE_DOWN:
t_start_dst = MCGRectangleTranslate(t_dst_rect, 0.0, size);
t_end_src = MCGRectangleMake(0.0, 0.0, t_dst_rect.size.width, size);
break;
}
t_end_dst = MCGRectangleTranslate(t_end_src, t_dst_rect.origin.x, t_dst_rect.origin.y);
p_target->Composite(t_start_dst, p_start, t_start_src, 1.0, kMCGBlendModeCopy);
p_target->Composite(t_end_dst, p_end, t_end_src, 1.0, kMCGBlendModeCopy);
return True;
}
Boolean dissolveeffect_step(const MCRectangle &drect, MCStackSurface *p_target, MCGImageRef p_start, MCGImageRef p_end, Visual_effects dir, uint4 delta, uint4 duration)
{
MCGFloat t_alpha;
t_alpha = (MCGFloat)delta / (MCGFloat)duration;
MCGRectangle t_src_rect, t_dst_rect;
t_dst_rect = MCRectangleToMCGRectangle(drect);
t_src_rect = MCGRectangleMake(0.0, 0.0, t_dst_rect.size.width, t_dst_rect.size.height);
p_target->Composite(t_dst_rect, p_start, t_src_rect, 1.0, kMCGBlendModeSourceOver);
p_target->Composite(t_dst_rect, p_end, t_src_rect, t_alpha, kMCGBlendModeSourceOver);
return True;
}
Boolean iriseffect_step(const MCRectangle &drect, MCStackSurface *p_target, MCGImageRef p_start, MCGImageRef p_end, Visual_effects dir, uint4 delta, uint4 duration)
{
MCGFloat t_position = (MCGFloat) delta / (MCGFloat) duration;
uint32_t width, height, x, y;
MCGImageRef t_top, t_bottom;
MCGRectangle t_top_src, t_bottom_src;
if (dir == VE_CLOSE)
{
width = drect.width * (1.0 - t_position);
height = drect.height * (1.0 - t_position);
x = (drect.width / 2) * t_position;
y = (drect.height / 2) * t_position;
t_top = p_start;
t_bottom = p_end;
}
else
{
width = drect.width * t_position;
height = drect.height * t_position;
x = (drect.width / 2) * (1.0 - t_position);
y = (drect.height / 2) * (1.0 - t_position);
t_top = p_end;
t_bottom = p_start;
}
t_bottom_src = MCGRectangleMake(0, 0, drect.width, drect.height);
t_top_src = MCGRectangleMake(x, y, width, height);
p_target->Composite(MCGRectangleTranslate(t_bottom_src, drect.x, drect.y), t_bottom, t_bottom_src, 1.0, kMCGBlendModeCopy);
p_target->Composite(MCGRectangleTranslate(t_top_src, drect.x, drect.y), t_top, t_top_src, 1.0, kMCGBlendModeCopy);
return True;
}
Boolean venetianeffect_step(const MCRectangle &drect, MCStackSurface *p_target, MCGImageRef p_start, MCGImageRef p_end, Visual_effects dir, uint4 delta, uint4 duration)
{
int2 newy = Venetiansize * delta / duration;
MCGRectangle t_src_rect, t_dst_rect;
t_src_rect = MCGRectangleMake(0, 0, drect.width, drect.height);
t_dst_rect = MCGRectangleTranslate(t_src_rect, drect.x, drect.y);
p_target->Composite(t_dst_rect, p_start, t_src_rect, 1.0, kMCGBlendModeCopy);
uint2 height = newy;
int2 y = 0;
while (y <= drect.height)
{
MCGRectangle t_end_src, t_end_dst;
t_end_src = MCGRectangleMake(0, y, drect.width, height);
t_end_dst = MCGRectangleTranslate(t_end_src, drect.x, drect.y);
p_target->Composite(t_end_dst, p_end, t_end_src, 1.0, kMCGBlendModeCopy);
y += Venetiansize;
}
return True;
}
bool MCImageBitmapToCGImage(MCImageBitmap *p_bitmap, CGColorSpaceRef p_colorspace, bool p_copy, bool p_invert, CGImageRef &r_image)
{
if (p_bitmap == nil)
return false;
bool t_mask;
t_mask = MCImageBitmapHasTransparency(p_bitmap);
MCGRaster t_raster;
t_raster.width = p_bitmap->width;
t_raster.height = p_bitmap->height;
t_raster.pixels = p_bitmap->data;
t_raster.stride = p_bitmap->stride;
t_raster.format = t_mask ? kMCGRasterFormat_ARGB : kMCGRasterFormat_xRGB;
return MCGRasterToCGImage(t_raster, MCGRectangleMake(0, 0, p_bitmap->width, p_bitmap->height), p_colorspace, p_copy, p_invert, r_image);
}
Boolean scrolleffect_step(const MCRectangle &drect, MCStackSurface *p_target, MCGImageRef p_start, MCGImageRef p_end, Visual_effects dir, uint4 delta, uint4 duration)
{
MCGFloat t_position = (MCGFloat)delta / (MCGFloat)duration;
MCGRectangle t_end_src, t_end_dst;
MCGRectangle t_start_src, t_start_dst;
t_start_dst = MCRectangleToMCGRectangle(drect);
t_start_src = t_end_src = MCGRectangleMake(0.0, 0.0, drect.width, drect.height);
uint32_t width, height;
switch (dir)
{
case VE_LEFT:
width = drect.width * t_position;
t_end_dst = MCGRectangleTranslate(t_end_src, t_end_src.size.width - width, 0.0);
break;
case VE_RIGHT:
width = drect.width * t_position;
t_end_dst = MCGRectangleTranslate(t_end_src, -t_end_src.size.width + width, 0.0);
break;
case VE_UP:
height = drect.height * t_position;
t_end_dst = MCGRectangleTranslate(t_end_src, 0.0, t_end_src.size.height - height);
break;
case VE_DOWN:
height = drect.height * t_position;
t_end_dst = MCGRectangleTranslate(t_end_src, 0.0, -t_end_src.size.height + height);
break;
}
t_end_dst.origin.x += drect.x;
t_end_dst.origin.y += drect.y;
p_target->Composite(t_start_dst, p_start, t_start_src, 1.0, kMCGBlendModeCopy);
p_target->Composite(t_end_dst, p_end, t_end_src, 1.0, kMCGBlendModeCopy);
return True;
}
void MCAndroidScrollerControl::SetContentRect(MCExecContext& ctxt, integer_t p_rect[4])
{
jobject t_view;
t_view = GetView();
// SN-2014-11-27: [[ Bug 14046 ]] m_content_rect stores user-pixel values
m_content_rect . x = p_rect[0];
m_content_rect . y = p_rect[1];
m_content_rect . width = p_rect[2] - p_rect[0];
m_content_rect . height = p_rect[3] - p_rect[1];
// PM-2016-01-14: [[Bug 16705]] Pass the correct width and height
if (t_view != nil)
{
// SN-2014-11-27: [[ Bug 14046 ]] Apply the fix for the bug 11485.
MCGRectangle t_rect;
t_rect = MCNativeControlUserRectToDeviceRect(MCGRectangleMake(p_rect[0], p_rect[1], p_rect[2], p_rect[3]));
MCAndroidObjectRemoteCall(t_view, "setContentSize", "vii", nil, (integer_t)(t_rect.size.width), (integer_t)(t_rect.size.height));
}
}
bool MCStackRenderInitial(MCStackSurface *p_target, MCRegionRef p_region, void *p_context)
{
MCStackEffectContext *context = static_cast<MCStackEffectContext*>(p_context);
p_target->Composite(MCRectangleToMCGRectangle(context->effect_area), context->initial_image, MCGRectangleMake(0, 0, context->effect_area.width, context->effect_area.height), 1.0, kMCGBlendModeCopy);
return true;
}
