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Added blitScaled. Removed unused functions.

This commit is contained in:
Steve 2018-02-06 22:28:19 +00:00
parent eb3a39084a
commit a8ce1daf4e
1 changed files with 10 additions and 54 deletions
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64
src/system/draw.c
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@ -104,17 +104,6 @@ void blitRect(SDL_Texture *texture, int x, int y, SDL_Rect *srcRect, int center)
SDL_RenderCopy(app.renderer, texture, srcRect, &dstRect); SDL_RenderCopy(app.renderer, texture, srcRect, &dstRect);
} }
void blitFlip(SDL_Texture *texture, int x, int y, int center, SDL_RendererFlip flip)
{
SDL_Rect dstRect;
dstRect.x = x;
dstRect.y = y;
SDL_QueryTexture(texture, NULL, NULL, &dstRect.w, &dstRect.h);
SDL_RenderCopyEx(app.renderer, texture, NULL, &dstRect, 0, NULL, flip);
}
void blitScaled(SDL_Texture *texture, int x, int y, int w, int h, int center) void blitScaled(SDL_Texture *texture, int x, int y, int w, int h, int center)
{ {
SDL_Rect dstRect; SDL_Rect dstRect;
@ -133,17 +122,22 @@ void blitScaled(SDL_Texture *texture, int x, int y, int w, int h, int center)
SDL_RenderCopy(app.renderer, texture, NULL, &dstRect); SDL_RenderCopy(app.renderer, texture, NULL, &dstRect);
} }
void blitRotated(SDL_Texture *texture, int x, int y, float angle) void blitRectScaled(SDL_Texture *texture, int x, int y, int w, int h, SDL_Rect *srcRect, int center)
{ {
SDL_Rect dstRect; SDL_Rect dstRect;
dstRect.x = x; dstRect.x = x;
dstRect.y = y; dstRect.y = y;
SDL_QueryTexture(texture, NULL, NULL, &dstRect.w, &dstRect.h); dstRect.w = w;
dstRect.x -= (dstRect.w / 2); dstRect.h = h;
dstRect.y -= (dstRect.h / 2);
SDL_RenderCopyEx(app.renderer, texture, NULL, &dstRect, angle, NULL, SDL_FLIP_NONE); if (center)
{
dstRect.x -= (dstRect.w / 2);
dstRect.y -= (dstRect.h / 2);
}
SDL_RenderCopy(app.renderer, texture, srcRect, &dstRect);
} }
void drawLine(int x1, int y1, int x2, int y2, int r, int g, int b, int a) void drawLine(int x1, int y1, int x2, int y2, int r, int g, int b, int a)
@ -152,44 +146,6 @@ void drawLine(int x1, int y1, int x2, int y2, int r, int g, int b, int a)
SDL_RenderDrawLine(app.renderer, x1, y1, x2, y2); SDL_RenderDrawLine(app.renderer, x1, y1, x2, y2);
} }
void drawCircle(int cx, int cy, int radius, int r, int g, int b, int a)
{
int x = radius;
int y = 0;
int radiusError = 1 - x;
SDL_Point p[8];
SDL_SetRenderDrawColor(app.renderer, r, g, b, a);
SDL_SetRenderDrawBlendMode(app.renderer, SDL_BLENDMODE_BLEND);
while (x >= y)
{
p[0].x = x + cx; p[0].y = y + cy;
p[1].x = y + cx; p[1].y = x + cy;
p[2].x = -x + cx; p[2].y = y + cy;
p[3].x = -y + cx; p[3].y = x + cy;
p[4].x = -x + cx; p[4].y = -y + cy;
p[5].x = -y + cx; p[5].y = -x + cy;
p[6].x = x + cx; p[6].y = -y + cy;
p[7].x = y + cx; p[7].y = -x + cy;
SDL_RenderDrawPoints(app.renderer, p, 8);
y++;
if (radiusError < 0)
{
radiusError += 2 * y + 1;
}
else
{
x--;
radiusError += 2 * (y - x) + 1;
}
}
SDL_SetRenderDrawBlendMode(app.renderer, SDL_BLENDMODE_NONE);
}
void drawRect(int x, int y, int w, int h, int r, int g, int b, int a) void drawRect(int x, int y, int w, int h, int r, int g, int b, int a)
{ {
SDL_Rect rect; SDL_Rect rect;