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CComponentsButton: simplify paint of button icon

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Calculation of image aspect ratio now happens in picture object itself.
This commit is contained in:
Thilo Graf
2015-07-11 22:07:25 +02:00
parent 53a350d5af
commit b47a0ccaeb
2 changed files with 10 additions and 11 deletions
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19
src/gui/components/cc_frm_button.cpp
View File

@@ -143,23 +143,22 @@ void CComponentsButton::initIcon()
//initialize icon object
if (cc_btn_icon_obj == NULL){
int w_icon = 0;
int h_icon = 0;
int y_icon = 0;
string::size_type pos = cc_btn_icon.find("/", 0);
if (pos == string::npos)
cc_btn_icon = frameBuffer->getIconBasePath() + "/" + cc_btn_icon + ".png";
cc_btn_icon_obj = new CComponentsPicture(fr_thickness, y_icon, cc_btn_icon, this);
cc_btn_icon_obj->getSize(&w_icon, &h_icon);
cc_btn_icon_obj = new CComponentsPictureScalable(fr_thickness, y_icon, cc_btn_icon, this);
if (h_icon > (height-2*fr_thickness)){
cc_btn_icon_obj->setHeight(height-2*fr_thickness);
uint8_t h_ratio = uint8_t(h_icon/cc_btn_icon_obj->getHeight());
w_icon = w_icon/h_ratio;
cc_btn_icon_obj->setWidth(w_icon);
}
int h_icon = cc_btn_icon_obj->getHeight();
//get required icon height
int h_max = height-2*fr_thickness;
//get current icon dimensions
if (h_icon > h_max)
cc_btn_icon_obj->setHeight(h_max, true);
y_icon = height/2 - cc_btn_icon_obj->getHeight()/2;

2
src/gui/components/cc_frm_button.h
View File

@@ -47,7 +47,7 @@ class CComponentsButton : public CComponentsFrmChain
{
protected:
///object: picture object
CComponentsPicture *cc_btn_icon_obj;
CComponentsPictureScalable *cc_btn_icon_obj;
///object: label object
CComponentsLabel *cc_btn_capt_obj;