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This commit is contained in:
danielvici123
2025-04-02 11:33:52 +02:00
parent 6ee3cb1211
commit 51468e220a
52 changed files with 1269 additions and 622 deletions
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58
INF/libraries/Adafruit_GFX_Library/Adafruit_GFX.cpp
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@@ -1758,12 +1758,21 @@ const uint8_t PROGMEM GFXcanvas1::GFXclrBit[] = {0x7F, 0xBF, 0xDF, 0xEF,
@brief Instatiate a GFX 1-bit canvas context for graphics
@param w Display width, in pixels
@param h Display height, in pixels
@param allocate_buffer If true, a buffer is allocated with malloc. If
false, the subclass must initialize the buffer before any drawing operation,
and free it in the destructor. If false (the default), the buffer is
allocated and freed by the library.
*/
/**************************************************************************/
GFXcanvas1::GFXcanvas1(uint16_t w, uint16_t h) : Adafruit_GFX(w, h) {
uint32_t bytes = ((w + 7) / 8) * h;
if ((buffer = (uint8_t *)malloc(bytes))) {
memset(buffer, 0, bytes);
GFXcanvas1::GFXcanvas1(uint16_t w, uint16_t h, bool allocate_buffer)
: Adafruit_GFX(w, h), buffer_owned(allocate_buffer) {
if (allocate_buffer) {
uint32_t bytes = ((w + 7) / 8) * h;
if ((buffer = (uint8_t *)malloc(bytes))) {
memset(buffer, 0, bytes);
}
} else {
buffer = nullptr;
}
}
@@ -1773,7 +1782,7 @@ GFXcanvas1::GFXcanvas1(uint16_t w, uint16_t h) : Adafruit_GFX(w, h) {
*/
/**************************************************************************/
GFXcanvas1::~GFXcanvas1(void) {
if (buffer)
if (buffer && buffer_owned)
free(buffer);
}
@@ -2111,13 +2120,21 @@ void GFXcanvas1::drawFastRawHLine(int16_t x, int16_t y, int16_t w,
@brief Instatiate a GFX 8-bit canvas context for graphics
@param w Display width, in pixels
@param h Display height, in pixels
@param allocate_buffer If true, a buffer is allocated with malloc. If
false, the subclass must initialize the buffer before any drawing operation,
and free it in the destructor. If false (the default), the buffer is
allocated and freed by the library.
*/
/**************************************************************************/
GFXcanvas8::GFXcanvas8(uint16_t w, uint16_t h) : Adafruit_GFX(w, h) {
uint32_t bytes = w * h;
if ((buffer = (uint8_t *)malloc(bytes))) {
memset(buffer, 0, bytes);
}
GFXcanvas8::GFXcanvas8(uint16_t w, uint16_t h, bool allocate_buffer)
: Adafruit_GFX(w, h), buffer_owned(allocate_buffer) {
if (allocate_buffer) {
uint32_t bytes = w * h;
if ((buffer = (uint8_t *)malloc(bytes))) {
memset(buffer, 0, bytes);
}
} else
buffer = nullptr;
}
/**************************************************************************/
@@ -2126,7 +2143,7 @@ GFXcanvas8::GFXcanvas8(uint16_t w, uint16_t h) : Adafruit_GFX(w, h) {
*/
/**************************************************************************/
GFXcanvas8::~GFXcanvas8(void) {
if (buffer)
if (buffer && buffer_owned)
free(buffer);
}
@@ -2379,12 +2396,21 @@ void GFXcanvas8::drawFastRawHLine(int16_t x, int16_t y, int16_t w,
@brief Instatiate a GFX 16-bit canvas context for graphics
@param w Display width, in pixels
@param h Display height, in pixels
@param allocate_buffer If true, a buffer is allocated with malloc. If
false, the subclass must initialize the buffer before any drawing operation,
and free it in the destructor. If false (the default), the buffer is
allocated and freed by the library.
*/
/**************************************************************************/
GFXcanvas16::GFXcanvas16(uint16_t w, uint16_t h) : Adafruit_GFX(w, h) {
uint32_t bytes = w * h * 2;
if ((buffer = (uint16_t *)malloc(bytes))) {
memset(buffer, 0, bytes);
GFXcanvas16::GFXcanvas16(uint16_t w, uint16_t h, bool allocate_buffer)
: Adafruit_GFX(w, h), buffer_owned(allocate_buffer) {
if (allocate_buffer) {
uint32_t bytes = w * h * 2;
if ((buffer = (uint16_t *)malloc(bytes))) {
memset(buffer, 0, bytes);
}
} else {
buffer = nullptr;
}
}
@@ -2394,7 +2420,7 @@ GFXcanvas16::GFXcanvas16(uint16_t w, uint16_t h) : Adafruit_GFX(w, h) {
*/
/**************************************************************************/
GFXcanvas16::~GFXcanvas16(void) {
if (buffer)
if (buffer && buffer_owned)
free(buffer);
}