void rot_bitmap_layer_update_func (Layer* l,GContext* ctx) {
ROT_BITMAP_GET;
GPoint topOffset=getTopOffset ();
setTopOffset(GPoint(0,0));
GRect rect=GRect(0,0,l->frame.size.w,l->frame.size.h);
SDL_Surface* sur=createSurface(rotbitmap->bitmap->bounds.size.w,rotbitmap->bitmap->bounds.size.h);
SDL_FillRect(sur,0,0);
graphics_context_set_compositing_mode (ctx,GCompOpAssign);
graphics_draw_bitmap_in_rect_to (ctx,rotbitmap->bitmap,rect,sur);
double angle=(double)rotbitmap->rotation/TRIG_MAX_ANGLE*360.0;
SDL_Surface* rotated=rotozoomSurface(sur,-angle,1.0,SMOOTHING_OFF);
SDL_FreeSurface(sur);
GPoint offset=getPivotRotationOffset(rotbitmap->bitmap->bounds.size,GSize(rotated->w,rotated->h),rotbitmap->src_ic,angle);
rotbitmap->dest_ic.x=l->frame.size.w/2; //TODO: Verify this
rotbitmap->dest_ic.y=l->frame.size.h/2;
setTopOffset(topOffset);
if (rotbitmap->corner_clip_color!=GColorClear) {
graphics_context_set_fill_color(ctx,rotbitmap->corner_clip_color);
graphics_fill_rect(ctx,GRect(0,0,l->frame.size.w,l->frame.size.h),0,0);
}
graphics_context_set_compositing_mode (ctx,rotbitmap->compositing_mode);
graphics_draw_surface_in_rect (ctx,rotated,GRect(rotbitmap->dest_ic.x-offset.x,rotbitmap->dest_ic.y-offset.y,rotated->w,rotated->h));
SDL_FreeSurface(rotated);
}
void graphics_fill_rect(GContext *ctx, GRect rect, uint8_t corner_radius, GCornerMask corner_mask) {
//TODO: corner_mask
GPoint topOffset=getTopOffset ();
if (corner_radius>0)
roundedBoxColor (getTopScreen(),topOffset.x+rect.origin.x,topOffset.y+rect.origin.y,topOffset.x+rect.origin.x+rect.size.w,topOffset.y+rect.origin.y+rect.size.h,corner_radius,getRawColor(ctx->fill_color));
else
boxColor (getTopScreen(),topOffset.x+rect.origin.x,topOffset.y+rect.origin.y,topOffset.x+rect.origin.x+rect.size.w,topOffset.y+rect.origin.y+rect.size.h,getRawColor(ctx->fill_color));
}
void graphics_draw_something_in_rect_to(GContext *ctx, void* what,graphics_draw_something_callback callback, GRect rect,SDL_Surface* screen) {
// TODO: verify composite mode implementations
// TODO: bitmap->info_flags?
GCompOp compositing_mode = ctx->compositing_mode;
GPoint topOffset=getTopOffset ();
SDL_Rect clipRect;
SDL_GetClipRect(screen,&clipRect);
LOCK(screen);
int16_t x,y;
callback (what,-1,0);
for(x=0; x < rect.size.w; x++) {
int16_t dst_x = x + rect.origin.x+topOffset.x;
if(dst_x < clipRect.x) continue;
else if(dst_x >= clipRect.x+clipRect.w) break;
for(y=0; y < rect.size.h; y++) {
int16_t dst_y = y + rect.origin.y+topOffset.y;
if(dst_y < clipRect.y) continue;
else if(dst_y >= clipRect.y+clipRect.h) break;
uint32_t src_c = callback(what,x,y);
uint32_t *dst_c = (uint32_t *)(((uint8_t*)screen->pixels) + screen->pitch * dst_y + 4 * dst_x);
switch(compositing_mode) {
case GCompOpAssign:
*dst_c = src_c;
break;
case GCompOpAssignInverted:
*dst_c = ~(src_c) | 0x000000ff;
break;
case GCompOpOr:
if (src_c == r_white)
*dst_c = r_white;
break;
case GCompOpAnd:
if (src_c == r_black)
*dst_c = r_black;
break;
case GCompOpClear:
if (src_c == r_white)
*dst_c = r_black;
break;
case GCompOpSet:
if (src_c == r_black)
*dst_c = r_white;
break;
}
}
}
callback(what,0,-1);
UNLOCK(screen);
}
void scroll_layer_shadow_layer_update_func (Layer* me,GContext* ctx) {
ScrollLayer* scroll_layer=(ScrollLayer*)me->parent;
SDL_Surface* scroll_shadow=getSimulatorImage(SIM_IMG_SCROLL_SHADOW);
GPoint topOffset=getTopOffset();
SDL_Surface* screen=getTopScreen ();
GPoint offset=scroll_layer_get_content_offset (scroll_layer);
GSize size=scroll_layer_get_content_size (scroll_layer);
GSize frameSize=me->frame.size;
SDL_Rect src,dst;
if (offset.y<0) {
src=(SDL_Rect){0,15,144,15};
dst=(SDL_Rect){topOffset.x,topOffset.y,144,15};
SDL_gfxBlitRGBA(scroll_shadow,&src,screen,&dst);
}
if (offset.y-((Layer*)scroll_layer)->frame.size.h!=-size.h) {
src=(SDL_Rect){0,0,144,15};
dst=(SDL_Rect){topOffset.x,topOffset.y+frameSize.h-15,144,15};
SDL_gfxBlitRGBA(scroll_shadow,&src,screen,&dst);
}
}
void rotbmp_layer_update_func (Layer* me,GContext* ctx) {
GPoint topOffset=getTopOffset ();
setTopOffset(GPoint(0,0));
GRect rect=GRect(0,0,me->frame.size.w,me->frame.size.h);
RotBitmapLayer* bitmapLayer=(RotBitmapLayer*)me;
SDL_Surface* bitmap=createSurface(bitmapLayer->bitmap->bounds.size.w,bitmapLayer->bitmap->bounds.size.h);
SDL_FillRect(bitmap,0,0);
graphics_context_set_compositing_mode (ctx,GCompOpAssign);
graphics_draw_bitmap_in_rect_to (ctx,bitmapLayer->bitmap,rect,bitmap);
double angle=(double)bitmapLayer->rotation/TRIG_MAX_ANGLE*360.0;
SDL_Surface* rotated=rotozoomSurface(bitmap,-angle,1.0,SMOOTHING_OFF);
SDL_FreeSurface(bitmap);
GPoint offset=getPivotRotationOffset(bitmapLayer->bitmap->bounds.size,GSize(rotated->w,rotated->h),bitmapLayer->src_ic,angle);
setTopOffset(topOffset);
graphics_context_set_compositing_mode (ctx,bitmapLayer->compositing_mode);
graphics_draw_surface_in_rect (ctx,rotated,GRect(bitmapLayer->dest_ic.x-offset.x,bitmapLayer->dest_ic.y-offset.y,rotated->w,rotated->h));
SDL_FreeSurface(rotated);
}
void _gpath_to_sdl(GPath *path,Sint16** pointsX,Sint16** pointsY) {
GPoint topOffset=getTopOffset ();
*pointsX=(Sint16*)malloc(sizeof(Sint16)*path->num_points);
*pointsY=(Sint16*)malloc(sizeof(Sint16)*path->num_points);
double s = sin(((double)path->rotation/TRIG_MAX_ANGLE) * 2*PI );
double c = cos(((double)path->rotation/TRIG_MAX_ANGLE) * 2*PI);
int p;
for(p=0; p<path->num_points; p++) {
double x, y, nx;
x = path->points[p].x+0.5;
y = path->points[p].y+0.5;
nx = x * c - y * s;
y = x * s + y * c;
x = nx;
x += path->offset.x;
y += path->offset.y;
(*pointsX)[p] = (Sint16)(x+topOffset.x);
(*pointsY)[p] = (Sint16)(y+topOffset.y);
}
}
long PANEElement::getBottomOffset(){
return getTopOffset() + getActualHeight( getAvailableWidth() );
}
void graphics_draw_round_rect(GContext *ctx, GRect rect, int radius) {
GPoint topOffset=getTopOffset ();
roundedRectangleColor(getTopScreen(),topOffset.x+rect.origin.x,topOffset.y+rect.origin.y,topOffset.x+rect.origin.x+rect.size.w,topOffset.y+rect.origin.y+rect.size.h,radius,getRawColor(ctx->stroke_color));
}
void graphics_fill_circle(GContext *ctx, GPoint p, int radius) {
GPoint topOffset=getTopOffset ();
filledCircleColor(getTopScreen(), topOffset.x+p.x, topOffset.y+p.y, radius, getRawColor(ctx->fill_color));
}
void graphics_draw_circle(GContext *ctx, GPoint p, int radius) {
GPoint topOffset=getTopOffset ();
circleColor(getTopScreen(), topOffset.x+p.x, topOffset.y+p.y, radius, getRawColor(ctx->stroke_color));
}
void graphics_draw_line(GContext *ctx, GPoint p0, GPoint p1) {
GPoint topOffset=getTopOffset ();
lineColor(getTopScreen(), topOffset.x+p0.x, topOffset.y+p0.y, topOffset.x+p1.x, topOffset.y+p1.y, getRawColor(ctx->stroke_color));
}
void graphics_draw_pixel(GContext *ctx, GPoint point) {
GPoint topOffset=getTopOffset ();
pixelColor(getTopScreen(), topOffset.x+point.x, topOffset.y+point.y, getRawColor(ctx->stroke_color));
}
//#verify #verify #verify !!!!!!!!!!
void graphics_text_draw(GContext *ctx, const char *text, const GFont font, const GRect box, const GTextOverflowMode overflow_mode, const GTextAlignment alignment, const GTextLayoutCacheRef layout) {
char buffer [256]; //SHIT!! I need to mark the end of the string but I can't use the original parameter...
TextWrapper textWrapper=(overflow_mode==GTextOverflowModeWordWrap?wrap_words:wrap_points);
int lineHeight=0,usedHeight=0;
SDL_Surface* lineSurface,*lineSurfaceTemp;
SDL_Surface* textSurface=SDL_CreateRGBSurface (SDL_SWSURFACE|SDL_SRCALPHA,box.size.w,box.size.h,32,0xff000000,0x00ff0000,0x0000ff00,0x000000ff);
SDL_FillRect (textSurface,0,0);
SDL_Surface* pointsSurface=0; //this will only be initalised when it's needed
SDL_Rect dstRect,srcRect;
SDL_Color color=getColor(ctx->text_color);
GPoint topOffset=getTopOffset ();
_WrapResult wrap;
if (text==0)
return;
while (*text!=0&&usedHeight<box.size.h) {
wrap=textWrapper (text,box.size.w,font);
memcpy(buffer,text,wrap.lineLen);
buffer[wrap.lineLen]=0;
text=wrap.newString;
if (wrap.lineLen==0) {
usedHeight+=lineHeight;
continue;
}
lineSurfaceTemp=TTF_RenderText_Solid ((TTF_Font*)font,buffer,color);
if (lineSurfaceTemp==0) {
printf("[WARN] TTF_RenderText_Solid: %s\n",TTF_GetError ());
return;
}
lineSurface=SDL_ConvertSurface(lineSurfaceTemp,textSurface->format,SDL_SWSURFACE|SDL_SRCALPHA);
SDL_FreeSurface(lineSurfaceTemp);
if (lineHeight==0)
lineHeight=lineSurface->h;
//prepare blitting
srcRect=((SDL_Rect) {
0,0,lineSurface->w,lineSurface->h
});
if (srcRect.h+usedHeight>box.size.h)
srcRect.h=box.size.h-usedHeight;
dstRect=srcRect;
dstRect.y=usedHeight;
//set text alignment
if (alignment==GTextAlignmentCenter)
dstRect.x=box.size.w/2-(dstRect.w+wrap.addPoints)/2;
else if (alignment==GTextAlignmentRight)
dstRect.x=box.size.w-(dstRect.w+wrap.addPoints);
//else
// srcRect.x=0;
//blit line to text
SDL_gfxBlitRGBA(lineSurface,&srcRect,textSurface,&dstRect);
SDL_FreeSurface(lineSurface);
if (wrap.addPoints>0) {
if (pointsSurface==0) {
pointsSurface=TTF_RenderText_Solid ((TTF_Font*)font,"...",color);
if (pointsSurface==0) {
printf("[WARN] TTF_RenderText_Solid: %s\n",TTF_GetError ());
return;
}
}
srcRect.x=0;
srcRect.w=pointsSurface->w;
dstRect.x+=dstRect.w;
dstRect.w=pointsSurface->w;
SDL_BlitSurface(pointsSurface,&srcRect,textSurface,&dstRect);
}
usedHeight+=lineHeight;
}
srcRect=((SDL_Rect) {
0,0,box.size.w,box.size.h
});
dstRect=((SDL_Rect) {
box.origin.x+topOffset.x,box.origin.y+topOffset.y,box.size.w,box.size.h
});
SDL_gfxBlitRGBA(textSurface,&srcRect,getTopScreen(),&dstRect);
SDL_FreeSurface(textSurface);
if (pointsSurface!=0)
SDL_FreeSurface(pointsSurface);
}
