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fix memory bug

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This commit is contained in:
fsender
2023-11-07 21:26:51 +08:00
parent 85a785eabd
commit d24639a962
4 changed files with 22 additions and 17 deletions
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12
examples/ex06_Image/guy_image.cpp
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@@ -61,16 +61,16 @@ uint8_t readguyImage::drawImgHandler(int r, LGFX_Sprite *spr){
//_x=y-r/stage*_h; yd=0;
//_y=x;//(widthDiv8<<3)-x-1;
_x=x-r/stage*_h;
_y=y; yd=0;
_y=y+w-guy->drvWidth(); yd=0;
if(_x<0){ xd=-_x; _x=0; }
break;
case 2:
_x=x; xd=0;
_y=y-(GUY_STAGES-r/stage-1)*_h;
_x=x+w-guy->drvWidth(); xd=0;
_y=y+(r/stage+1)*_h-h;
if(_y<0){ yd=-_y; _y=0; }
break;
case 3:
_x=x-(GUY_STAGES-r/stage-1)*_h;
_x=x+(r/stage+1)*_h-h;
_y=y; yd=0;
if(_x<0){ xd=-_x; _x=0; }
break;
@@ -234,7 +234,7 @@ void readguyImage::drawImageFile(bool use16grey){
_pool=exPool;
}
if(_pool==nullptr) {
_h=(h+7)>>3; //设置缓存区的高度. 更多内存将可以更快显示
_h=h>>3; //设置缓存区的高度. 更多内存将可以更快显示
_pool=(uint8_t *)guy->getBuffer();
}
//(guy->guyMemoryHeight()+7)>>3 返回高度,并补齐后右移三位 (等效于除以2³, 分成8份)
@@ -275,7 +275,7 @@ void readguyImage::drawImageFile(bool use16grey){
}
else{
// ************* 提示: 编写此示例时的最新版本LovyanGFX库不提供此函数. 请看ex06_Image.ino文件开头的解决方法!
guy->display(std::bind(&readguyImage::drawImgHandler,this,std::placeholders::_1,&bmpspr));
guy->display(std::bind(&readguyImage::drawImgHandler,this,std::placeholders::_1,&bmpspr),READGUY_FAST);
// 此函数过不了编译 需要改库.
}