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https://github.com/fsender/readguy.git
synced 2025-12-12 21:08:14 +08:00
update api for arduino-esp32 3.x
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@@ -9,6 +9,40 @@
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* @version 1.0
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* @date 2023-11-01
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* @note 重要消息: 这是一个实验性功能. 可能你所使用的LGFX库版本较旧而无法通过编译.
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*
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* (ESPxxxx系列可无视此行) 对于不支持fs::FS的设备 (如PC) 来说, 请前往 guy_image.h 文件并更改第34行的注释
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*
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* 如果你的项目中无法成功编译源码中的setBuffer, 请更改LovyanGFX库的函数!
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* 位于文件 LovyanGFX/src/lgfx/v1/LGFX_Sprite.hpp
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* 第155行 void setBuffer 函数:
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* 添加为如下内容并保存 (不建议修改库里原有的函数, 保证库的兼容性)
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*
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``` C++
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void setBuffer(void* buffer, int32_t w, int32_t h, color_depth_t bpp)
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{
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deleteSprite();
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if (bpp != 0) {
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_write_conv.setColorDepth(bpp);
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_read_conv = _write_conv;
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_panel_sprite.setColorDepth(bpp);
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}
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_panel_sprite.setBuffer(buffer, w, h, &_write_conv);
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_img = _panel_sprite.getBuffer();
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_sw = w;
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_clip_r = w - 1;
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_xpivot = w >> 1;
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_sh = h;
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_clip_b = h - 1;
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_ypivot = h >> 1;
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}
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```
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* 完成后请再次尝试编译
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* [已经向lovyan03/LovyanGFX发布issue, 等待解决]
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*
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* @attention
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* Copyright (c) 2022-2023 FriendshipEnder
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*
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@@ -78,15 +112,33 @@ uint8_t readguyImage::drawImgHandler(int r, LGFX_Sprite *spr){
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spr->setRotation(rot);
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switch(format&3){
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case 1:
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spr->drawBmpFile(*baseFs,filename,_x,_y,0,0,offsetx+xd,offsety+yd,scalex,scaley,datum);
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spr->drawBmpFile(
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#ifdef FS_POINTER
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*baseFs
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#else
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guy->guyFS()
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#endif
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,filename,_x,_y,0,0,offsetx+xd,offsety+yd,scalex,scaley,datum);
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break;
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#ifndef ESP8266
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case 2:
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spr->drawPngFile(*baseFs,filename,_x,_y,0,0,offsetx+xd,offsety+yd,scalex,scaley,datum);
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spr->drawPngFile(
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#ifdef FS_POINTER
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*baseFs
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#else
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guy->guyFS()
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#endif
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,filename,_x,_y,0,0,offsetx+xd,offsety+yd,scalex,scaley,datum);
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break;
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#endif
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case 3:
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spr->drawJpgFile(*baseFs,filename,_x,_y,0,0,offsetx+xd,offsety+yd,scalex,scaley,datum);
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spr->drawJpgFile(
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#ifdef FS_POINTER
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*baseFs
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#else
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guy->guyFS()
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#endif
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,filename,_x,_y,0,0,offsetx+xd,offsety+yd,scalex,scaley,datum);
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break;
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}
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spr->setRotation(0);
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@@ -219,7 +271,11 @@ uint8_t readguyImage::getExName(const char* fname, char* exname, size_t exname_l
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/// @brief 显示图像
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void readguyImage::drawImageFile(bool use16grey){
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if(filename == nullptr || filename[0] == 0 || !(baseFs->exists(filename))) return; //文件不存在
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if(filename == nullptr || filename[0] == 0
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#ifdef FS_POINTER
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|| !(baseFs->exists(filename))
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#endif
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) return; //文件不存在
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char ex[8]; //保存文件的扩展名
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getExName(filename,ex,7); //获取文件的扩展名.最后一个参数用于防止数组越界
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format = 0; //16灰度模式
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@@ -243,6 +299,7 @@ void readguyImage::drawImageFile(bool use16grey){
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LGFX_Sprite bmpspr;
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//首先, 需要获取到内部显存的地址, 用于建立图片分块绘制缓存.
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//获取屏幕缓存, 随后分配图片解码所需的内存.
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//此处如果出现 convert from `lgfx::v1::color_depth_t` to `uint8_t` 警告(或错误) 请查看本文开头重要消息
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bmpspr.setBuffer(_pool,w,_h,lgfx::v1::color_depth_t::grayscale_8bit);
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//bmpspr.createSprite(guy_width,(guy_height+7)&0x7ffffff8);
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@@ -286,7 +343,11 @@ void readguyImage::drawImageFile(bool use16grey){
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}
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uint8_t readguyImage::drawImageToBuffer(){
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if(filename == nullptr || filename[0] == 0 || !(baseFs->exists(filename))) return 1; //文件不存在
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if(filename == nullptr || filename[0] == 0
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#ifdef FS_POINTER
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|| !(baseFs->exists(filename))
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#endif
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) return 1; //文件不存在
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if( w==0 || h==0 || w>=0x8000 || h>=0x8000 || exPool==nullptr || exPoolSize<1024) return 3; //内存不足
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char ex[8]; //保存文件的扩展名
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format = 0; //16灰度模式
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@@ -309,20 +370,39 @@ uint8_t readguyImage::drawImageToBuffer(){
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if(_h==0 || GUY_STAGES>8) return 3; //内存不足以在显示8次之内就... 总之就是内存不够
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LGFX_Sprite spr;
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//此处如果出现 convert from `lgfx::v1::color_depth_t` to `uint8_t` 警告(或错误) 请查看本文开头重要消息
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spr.setBuffer(_pool,w,_h,lgfx::v1::color_depth_t::grayscale_8bit);
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for(int i=0;i<GUY_STAGES;i++){
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spr.fillScreen(background?0xffff:0);
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switch(format&3){
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case 1:
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spr.drawBmpFile(*baseFs,filename,0,0,0,0,offsetx,offsety+_h*i,scalex,scaley);
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spr.drawBmpFile(
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#ifdef FS_POINTER
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*baseFs
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#else
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guy->guyFS()
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#endif
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,filename,0,0,0,0,offsetx,offsety+_h*i,scalex,scaley);
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break;
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#ifndef ESP8266
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case 2:
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spr.drawPngFile(*baseFs,filename,0,0,0,0,offsetx,offsety+_h*i,scalex,scaley);
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spr.drawPngFile(
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#ifdef FS_POINTER
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*baseFs
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#else
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guy->guyFS()
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#endif
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,filename,0,0,0,0,offsetx,offsety+_h*i,scalex,scaley);
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break;
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#endif
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case 3:
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spr.drawJpgFile(*baseFs,filename,0,0,0,0,offsetx,offsety+_h*i,scalex,scaley);
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spr.drawJpgFile(
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#ifdef FS_POINTER
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*baseFs
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#else
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guy->guyFS()
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#endif
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,filename,0,0,0,0,offsetx,offsety+_h*i,scalex,scaley);
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break;
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}
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guy->drawImageStage(spr,x,y+_h*i,i,GUY_STAGES);
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