Bodmer/TFT_eSPI
1
0
Fork 1
mirror of https://github.com/Bodmer/TFT_eSPI.git synced 2025-08-01 19:54:43 +02:00
Code Issues Packages Projects Releases Wiki Activity

Correct jpeg decoder image edge rendering

Browse Source 
Revert setup file and add setup 10
This commit is contained in:
Bodmer
2017-10-17 00:07:49 +01:00
parent f907ac31b7
commit 0bcf7eaa6b
4 changed files with 6 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
User_Setup.h
View File

@@ -99,6 +99,9 @@
//#define TFT_CS 15 // Chip select control pin
//#define TFT_DC 2 // Data Command control pin
//#define TFT_RST 4 // Reset pin (could connect to RST pin)
//#define TFT_RST -1 // Set TFT_RST to -1 if display RESET is connected to ESP32 board RST
//#define TOUCH_CS 21 // Chip select pin (T_CS) of touch screen
//#define TFT_WR 22 // Write strobe for modified Raspberry Pi TFT only
@@ -162,7 +165,7 @@
// #define SPI_FREQUENCY 40000000 // Maximum to use SPIFFS
// #define SPI_FREQUENCY 80000000
#define SPI_TOUCH_FREQUENCY 2500000
// #define SPI_TOUCH_FREQUENCY 2500000
// Comment out the following #define if "SPI Transactions" do not need to be

1
User_Setup_Select.h
View File

@@ -27,6 +27,7 @@
//#include <User_Setups/Setup7_ST7735_128x128.h> // Setup file configured for my ST7735 128x128 display
//#include <User_Setups/Setup8_ILI9163_128x128.h> // Setup file configured for my ILI9163 128x128 display
//#include <User_Setups/Setup9_ST7735_Overlap.h> // Setup file configured for my ST7735
//#include <User_Setups/Setup10_RPi_touch_ILI9486.h> // Setup file configured for my stock RPi TFT with touch
//#include <User_Setups/SetupX_Template.h> // Setup file template for copying/editting

22
examples/160 x 128/TFT_flash_jpg/TFT_flash_jpg.ino
View File

@@ -130,32 +130,12 @@ void renderJPEG(int xpos, int ypos) {
int mcu_x = JpegDec.MCUx * mcu_w + xpos; // Calculate coordinates of top left corner of current MCU
int mcu_y = JpegDec.MCUy * mcu_h + ypos;
// check if the image block size needs to be changed for the right edge
// check if the image block size needs to be changed for the right and bottom edges
if (mcu_x + mcu_w <= max_x) win_w = mcu_w;
else win_w = min_w;
// check if the image block size needs to be changed for the bottom edge
if (mcu_y + mcu_h <= max_y) win_h = mcu_h;
else win_h = min_h;
// copy pixels into a contiguous block
if (win_w != mcu_w)
{
uint16_t *cImg;
int p = 0;
cImg = pImg + win_w;
for (int h = 1; h < win_h; h++)
{
p += mcu_w;
for (int w = 0; w < win_w; w++)
{
*cImg = *(pImg + w + p);
cImg++;
}
}
}
// draw image MCU block only if it will fit on the screen
if (( mcu_x + win_w ) <= tft.width() && ( mcu_y + win_h ) <= tft.height())
{

3
examples/480 x 320/TFT_flash_jpg/TFT_flash_jpg.ino
View File

@@ -23,9 +23,6 @@ TFT_eSPI tft = TFT_eSPI();
// JPEG decoder library
#include <JPEGDecoder.h>
// Chip Select Pin for SD card
#define SD_CS 53
// Return the minimum of two values a and b
#define minimum(a,b) (((a) < (b)) ? (a) : (b))