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mirror of https://github.com/vcmi/vcmi.git synced 2025-11-29 23:07:48 +02:00

First iteration of upscaled rendering

This commit is contained in:
Ivan Savenko
2024-07-21 21:11:02 +00:00
parent 7f5cd8a7aa
commit 4171026035
13 changed files with 294 additions and 26 deletions

View File

@@ -47,13 +47,28 @@ Canvas::Canvas(const Canvas & other, const Rect & newClipRect):
}
Canvas::Canvas(const Point & size):
renderArea(Point(0,0), size),
surface(CSDL_Ext::newSurface(size))
renderArea(Point(0,0), size * getScalingFactor()),
surface(CSDL_Ext::newSurface(size * getScalingFactor()))
{
CSDL_Ext::fillSurface(surface, CSDL_Ext::toSDL(Colors::TRANSPARENCY) );
SDL_SetSurfaceBlendMode(surface, SDL_BLENDMODE_NONE);
}
int Canvas::getScalingFactor() const
{
return 2; // TODO: get from screen handler
}
Point Canvas::transformPos(const Point & input)
{
return (renderArea.topLeft() + input) * getScalingFactor();
}
Point Canvas::transformSize(const Point & input)
{
return input * getScalingFactor();
}
Canvas Canvas::createFromSurface(SDL_Surface * surface)
{
return Canvas(surface);
@@ -81,19 +96,20 @@ void Canvas::draw(const std::shared_ptr<IImage>& image, const Point & pos)
{
assert(image);
if (image)
image->draw(surface, pos + renderArea.topLeft());
image->draw(surface, transformPos(pos));
}
void Canvas::draw(const std::shared_ptr<IImage>& image, const Point & pos, const Rect & sourceRect)
{
Rect realSourceRect = sourceRect * getScalingFactor();
assert(image);
if (image)
image->draw(surface, pos + renderArea.topLeft(), &sourceRect);
image->draw(surface, transformPos(pos), &realSourceRect);
}
void Canvas::draw(const Canvas & image, const Point & pos)
{
CSDL_Ext::blitSurface(image.surface, image.renderArea, surface, renderArea.topLeft() + pos);
CSDL_Ext::blitSurface(image.surface, image.renderArea, surface, transformPos(pos));
}
void Canvas::drawTransparent(const Canvas & image, const Point & pos, double transparency)
@@ -103,35 +119,36 @@ void Canvas::drawTransparent(const Canvas & image, const Point & pos, double tra
SDL_GetSurfaceBlendMode(image.surface, &oldMode);
SDL_SetSurfaceBlendMode(image.surface, SDL_BLENDMODE_BLEND);
SDL_SetSurfaceAlphaMod(image.surface, 255 * transparency);
CSDL_Ext::blitSurface(image.surface, image.renderArea, surface, renderArea.topLeft() + pos);
CSDL_Ext::blitSurface(image.surface, image.renderArea, surface, transformPos(pos));
SDL_SetSurfaceAlphaMod(image.surface, 255);
SDL_SetSurfaceBlendMode(image.surface, oldMode);
}
void Canvas::drawScaled(const Canvas & image, const Point & pos, const Point & targetSize)
{
SDL_Rect targetRect = CSDL_Ext::toSDL(Rect(pos + renderArea.topLeft(), targetSize));
SDL_Rect targetRect = CSDL_Ext::toSDL(Rect(transformPos(pos), transformSize(targetSize)));
SDL_BlitScaled(image.surface, nullptr, surface, &targetRect);
}
void Canvas::drawPoint(const Point & dest, const ColorRGBA & color)
{
CSDL_Ext::putPixelWithoutRefreshIfInSurf(surface, dest.x, dest.y, color.r, color.g, color.b, color.a);
Point point = transformPos(dest);
CSDL_Ext::putPixelWithoutRefreshIfInSurf(surface, point.x, point.y, color.r, color.g, color.b, color.a);
}
void Canvas::drawLine(const Point & from, const Point & dest, const ColorRGBA & colorFrom, const ColorRGBA & colorDest)
{
CSDL_Ext::drawLine(surface, renderArea.topLeft() + from, renderArea.topLeft() + dest, CSDL_Ext::toSDL(colorFrom), CSDL_Ext::toSDL(colorDest));
CSDL_Ext::drawLine(surface, transformPos(from), transformPos(dest), CSDL_Ext::toSDL(colorFrom), CSDL_Ext::toSDL(colorDest));
}
void Canvas::drawLineDashed(const Point & from, const Point & dest, const ColorRGBA & color)
{
CSDL_Ext::drawLineDashed(surface, renderArea.topLeft() + from, renderArea.topLeft() + dest, CSDL_Ext::toSDL(color));
CSDL_Ext::drawLineDashed(surface, transformPos(from), transformPos(dest), CSDL_Ext::toSDL(color));
}
void Canvas::drawBorder(const Rect & target, const ColorRGBA & color, int width)
{
Rect realTarget = target + renderArea.topLeft();
Rect realTarget = (target + renderArea.topLeft()) * getScalingFactor();
CSDL_Ext::drawBorder(surface, realTarget.x, realTarget.y, realTarget.w, realTarget.h, CSDL_Ext::toSDL(color), width);
}
@@ -150,10 +167,10 @@ void Canvas::drawText(const Point & position, const EFonts & font, const ColorRG
{
switch (alignment)
{
case ETextAlignment::TOPLEFT: return graphics->fonts[font]->renderTextLeft (surface, text, colorDest, renderArea.topLeft() + position);
case ETextAlignment::TOPCENTER: return graphics->fonts[font]->renderTextCenter(surface, text, colorDest, renderArea.topLeft() + position);
case ETextAlignment::CENTER: return graphics->fonts[font]->renderTextCenter(surface, text, colorDest, renderArea.topLeft() + position);
case ETextAlignment::BOTTOMRIGHT: return graphics->fonts[font]->renderTextRight (surface, text, colorDest, renderArea.topLeft() + position);
case ETextAlignment::TOPLEFT: return graphics->fonts[font]->renderTextLeft (surface, text, colorDest, transformPos(position));
case ETextAlignment::TOPCENTER: return graphics->fonts[font]->renderTextCenter(surface, text, colorDest, transformPos(position));
case ETextAlignment::CENTER: return graphics->fonts[font]->renderTextCenter(surface, text, colorDest, transformPos(position));
case ETextAlignment::BOTTOMRIGHT: return graphics->fonts[font]->renderTextRight (surface, text, colorDest, transformPos(position));
}
}
@@ -161,23 +178,23 @@ void Canvas::drawText(const Point & position, const EFonts & font, const ColorRG
{
switch (alignment)
{
case ETextAlignment::TOPLEFT: return graphics->fonts[font]->renderTextLinesLeft (surface, text, colorDest, renderArea.topLeft() + position);
case ETextAlignment::TOPCENTER: return graphics->fonts[font]->renderTextLinesCenter(surface, text, colorDest, renderArea.topLeft() + position);
case ETextAlignment::CENTER: return graphics->fonts[font]->renderTextLinesCenter(surface, text, colorDest, renderArea.topLeft() + position);
case ETextAlignment::BOTTOMRIGHT: return graphics->fonts[font]->renderTextLinesRight (surface, text, colorDest, renderArea.topLeft() + position);
case ETextAlignment::TOPLEFT: return graphics->fonts[font]->renderTextLinesLeft (surface, text, colorDest, transformPos(position));
case ETextAlignment::TOPCENTER: return graphics->fonts[font]->renderTextLinesCenter(surface, text, colorDest, transformPos(position));
case ETextAlignment::CENTER: return graphics->fonts[font]->renderTextLinesCenter(surface, text, colorDest, transformPos(position));
case ETextAlignment::BOTTOMRIGHT: return graphics->fonts[font]->renderTextLinesRight (surface, text, colorDest, transformPos(position));
}
}
void Canvas::drawColor(const Rect & target, const ColorRGBA & color)
{
Rect realTarget = target + renderArea.topLeft();
Rect realTarget = (target + renderArea.topLeft()) * getScalingFactor();
CSDL_Ext::fillRect(surface, realTarget, CSDL_Ext::toSDL(color));
}
void Canvas::drawColorBlended(const Rect & target, const ColorRGBA & color)
{
Rect realTarget = target + renderArea.topLeft();
Rect realTarget = (target + renderArea.topLeft()) * getScalingFactor();
CSDL_Ext::fillRectBlended(surface, realTarget, CSDL_Ext::toSDL(color));
}