void
MaskedIcon::Draw(Canvas &canvas, PixelScalar x, PixelScalar y) const
{
assert(IsDefined());
#ifdef ENABLE_OPENGL
if (size.cx == 0)
/* hack: do the postponed layout calcuation now */
const_cast<MaskedIcon *>(this)->CalculateLayout((bool)size.cy);
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
const GLEnable scope(GL_TEXTURE_2D);
const GLBlend blend(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GLTexture &texture = *bitmap.GetNative();
texture.Bind();
texture.Draw(x - origin.x, y - origin.y);
#else
#ifdef USE_GDI
/* our icons are monochrome bitmaps, and GDI uses current colors of
the destination HDC when blitting from a monochrome HDC */
canvas.SetTextColor(COLOR_BLACK);
canvas.SetBackgroundColor(COLOR_WHITE);
#endif
canvas.CopyOr(x - origin.x, y - origin.y, size.cx, size.cy,
bitmap, 0, 0);
canvas.CopyAnd(x - origin.x, y - origin.y, size.cx, size.cy,
bitmap, size.cx, 0);
#endif
}
void
TransparentRendererCache::CopyAndTo(Canvas &canvas,
const WindowProjection &projection) const
{
if (empty)
return;
canvas.CopyAnd(0, 0,
projection.GetScreenWidth(), projection.GetScreenHeight(),
buffer, 0, 0);
}
void
TabDisplay::PaintButton(Canvas &canvas, unsigned CaptionStyle,
const TCHAR *caption, const PixelRect &rc,
const Bitmap *bmp, const bool isDown, bool inverse)
{
PixelRect rcTextFinal = rc;
const UPixelScalar buttonheight = rc.bottom - rc.top;
const PixelSize text_size = canvas.CalcTextSize(caption);
const int textwidth = text_size.cx;
const int textheight = text_size.cy;
UPixelScalar textheightoffset = 0;
if (textwidth > (rc.right - rc.left)) // assume 2 lines
textheightoffset = std::max(0, (int)(buttonheight - textheight * 2) / 2);
else
textheightoffset = std::max(0, (int)(buttonheight - textheight) / 2);
rcTextFinal.top += textheightoffset;
canvas.DrawFilledRectangle(rc, canvas.GetBackgroundColor());
if (bmp != NULL) {
const PixelSize bitmap_size = bmp->GetSize();
const int offsetx = (rc.right - rc.left - bitmap_size.cx / 2) / 2;
const int offsety = (rc.bottom - rc.top - bitmap_size.cy) / 2;
if (inverse) // black background
canvas.CopyNotOr(rc.left + offsetx,
rc.top + offsety,
bitmap_size.cx / 2,
bitmap_size.cy,
*bmp,
bitmap_size.cx / 2, 0);
else
canvas.CopyAnd(rc.left + offsetx,
rc.top + offsety,
bitmap_size.cx / 2,
bitmap_size.cy,
*bmp,
bitmap_size.cx / 2, 0);
} else {
#ifndef USE_GDI
if (IsDithered())
CaptionStyle |= DT_UNDERLINE;
#endif
canvas.DrawFormattedText(&rcTextFinal, caption, CaptionStyle);
}
}
void
TabDisplay::PaintButton(Canvas &canvas, unsigned CaptionStyle,
const TCHAR *caption, const PixelRect &rc,
const Bitmap *bmp, const bool isDown, bool inverse)
{
PixelRect rcTextFinal = rc;
const UPixelScalar buttonheight = rc.bottom - rc.top;
const PixelSize text_size = canvas.CalcTextSize(caption);
const int textwidth = text_size.cx;
const int textheight = text_size.cy;
UPixelScalar textheightoffset = 0;
if (textwidth > (rc.right - rc.left)) // assume 2 lines
textheightoffset = std::max(0, (int)(buttonheight - textheight * 2) / 2);
else
textheightoffset = std::max(0, (int)(buttonheight - textheight) / 2);
rcTextFinal.top += textheightoffset;
canvas.DrawFilledRectangle(rc, canvas.GetBackgroundColor());
if (bmp != nullptr) {
const PixelSize bitmap_size = bmp->GetSize();
const int offsetx = (rc.right - rc.left - bitmap_size.cx / 2) / 2;
const int offsety = (rc.bottom - rc.top - bitmap_size.cy) / 2;
#ifdef ENABLE_OPENGL
if (inverse) {
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
/* invert the texture color */
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_REPLACE);
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_RGB, GL_TEXTURE);
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_ONE_MINUS_SRC_COLOR);
/* copy the texture alpha */
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA, GL_REPLACE);
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_SRC0_ALPHA, GL_TEXTURE);
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA, GL_SRC_ALPHA);
} else
/* simple copy */
OpenGL::glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
const GLEnable scope(GL_TEXTURE_2D);
const GLBlend blend(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GLTexture &texture = *bmp->GetNative();
texture.Bind();
texture.Draw(rc.left + offsetx, rc.top + offsety);
#else
if (inverse) // black background
canvas.CopyNotOr(rc.left + offsetx,
rc.top + offsety,
bitmap_size.cx / 2,
bitmap_size.cy,
*bmp,
bitmap_size.cx / 2, 0);
else
canvas.CopyAnd(rc.left + offsetx,
rc.top + offsety,
bitmap_size.cx / 2,
bitmap_size.cy,
*bmp,
bitmap_size.cx / 2, 0);
#endif
} else {
#ifndef USE_GDI
if (IsDithered())
CaptionStyle |= DT_UNDERLINE;
#endif
canvas.DrawFormattedText(&rcTextFinal, caption, CaptionStyle);
}
}
void
PaintTask(Canvas &canvas, const WindowProjection &projection,
const OrderedTask &task,
const GeoPoint &location,
const MapSettings &settings_map,
const TaskLook &task_look,
const AirspaceLook &airspace_look,
const RasterTerrain *terrain, const Airspaces *airspaces,
bool fai_sectors,
int highlight_index)
{
BackgroundRenderer background;
background.SetTerrain(terrain);
background.Draw(canvas, projection, settings_map.terrain);
if (airspaces != NULL) {
AirspaceRenderer airspace_renderer(airspace_look);
airspace_renderer.SetAirspaces(airspaces);
#ifndef ENABLE_OPENGL
BufferCanvas stencil_canvas;
stencil_canvas.Create(canvas);
#endif
airspace_renderer.Draw(canvas,
#ifndef ENABLE_OPENGL
stencil_canvas,
#endif
projection, settings_map.airspace);
}
#ifdef ENABLE_OPENGL
/* desaturate the map background, to focus on the task */
canvas.FadeToWhite(0xc0);
#endif
if (fai_sectors && IsFAITriangleApplicable(task)) {
static constexpr Color fill_color = COLOR_YELLOW;
#if defined(ENABLE_OPENGL) || defined(USE_MEMORY_CANVAS)
#ifdef ENABLE_OPENGL
const ScopeAlphaBlend alpha_blend;
#endif
canvas.Select(Brush(fill_color.WithAlpha(40)));
canvas.Select(Pen(1, COLOR_BLACK.WithAlpha(80)));
RenderFAISectors(canvas, projection, task);
#else
BufferCanvas buffer_canvas;
buffer_canvas.Create(canvas);
buffer_canvas.ClearWhite();
#ifdef HAVE_HATCHED_BRUSH
buffer_canvas.Select(airspace_look.brushes[3]);
buffer_canvas.SetTextColor(fill_color);
buffer_canvas.SetBackgroundColor(COLOR_WHITE);
#else
buffer_canvas.Select(Brush(fill_color));
#endif
buffer_canvas.SelectNullPen();
RenderFAISectors(buffer_canvas, projection, task);
canvas.CopyAnd(buffer_canvas);
canvas.SelectHollowBrush();
canvas.SelectBlackPen();
RenderFAISectors(canvas, projection, task);
#endif
}
OZRenderer ozv(task_look, airspace_look, settings_map.airspace);
TaskPointRenderer tpv(canvas, projection, task_look,
task.GetTaskProjection(),
ozv, false, TaskPointRenderer::NONE,
location);
TaskRenderer dv(tpv, projection.GetScreenBounds());
dv.Draw(task);
// highlight a task point
if (highlight_index >= 0 && highlight_index < (int) task.TaskSize()) {
/* TODO: clumsy way of highlighting. maybe it should be done by
* painting the task point with a different pen and brush,
* e.g. red, 4px wide
*/
auto pt = projection.GeoToScreen(task.GetPoint(highlight_index).
GetLocation());
canvas.Select(task_look.highlight_pen);
canvas.DrawLine(pt.x - 7, pt.y - 7, pt.x + 7, pt.y + 7);
canvas.DrawLine(pt.x + 7, pt.y - 7, pt.x - 7, pt.y + 7);
}
}