diff options
Diffstat (limited to 'drivers/lcd/font.c')
| -rw-r--r-- | drivers/lcd/font.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/drivers/lcd/font.c b/drivers/lcd/font.c new file mode 100644 index 0000000..843c669 --- /dev/null +++ b/drivers/lcd/font.c @@ -0,0 +1,209 @@ +/* ----------------------------------------------------------------------------
+ * ATMEL Microcontroller Software Support
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+//------------------------------------------------------------------------------
+// Headers
+//------------------------------------------------------------------------------
+
+#include "font.h"
+#include "draw.h"
+#include "font10x14.h"
+#include <utility/assert.h>
+
+//------------------------------------------------------------------------------
+// Local variables
+//------------------------------------------------------------------------------
+
+/// Global variable describing the font being instancied.
+const Font gFont = {10, 14};
+
+//------------------------------------------------------------------------------
+// Global functions
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// Draws an ASCII character on the given LCD buffer.
+/// \param pBuffer Buffer to write on.
+/// \param x X-coordinate of character upper-left corner.
+/// \param y Y-coordinate of character upper-left corner.
+/// \param c Character to output.
+/// \param color Character color.
+//------------------------------------------------------------------------------
+void LCDD_DrawChar(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y,
+ char c,
+ unsigned int color)
+{
+ unsigned int row, col;
+
+ SANITY_CHECK((c >= 0x20) && (c <= 0x7F));
+
+ for (col = 0; col < 10; col++) {
+
+ for (row = 0; row < 8; row++) {
+
+ if ((pCharset10x14[((c - 0x20) * 20) + col * 2] >> (7 - row)) & 0x1) {
+
+ LCDD_DrawPixel(pBuffer, x+col, y+row, color);
+ }
+ }
+ for (row = 0; row < 6; row++) {
+
+ if ((pCharset10x14[((c - 0x20) * 20) + col * 2 + 1] >> (7 - row)) & 0x1) {
+
+ LCDD_DrawPixel(pBuffer, x+col, y+row+8, color);
+ }
+ }
+ }
+}
+//------------------------------------------------------------------------------
+/// Draws an ASCII character on the given LCD buffer with 90 degree clockwise rotate .
+/// \param pBuffer Buffer to write on.
+/// \param x X-coordinate of character upper-left corner, x decreasing by step.
+/// \param y Y-coordinate of character upper-left corner, y increasing by step.
+/// \param c Character to output.
+/// \param color Character color.
+//------------------------------------------------------------------------------
+void LCDD_DrawCharVertical(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y,
+ char c,
+ unsigned int color)
+{
+ unsigned int row, col;
+
+ SANITY_CHECK((c >= 0x20) && (c <= 0x7F));
+
+ for (col = 0; col < 10; col++) {
+
+ for (row = 0; row < 8; row++) {
+
+ if ((pCharset10x14[((c - 0x20) * 20) + col * 2] >> (7 - row)) & 0x1) {
+
+ LCDD_DrawPixel(pBuffer, x-row, y+col, color);
+ }
+ }
+ for (row = 0; row < 6; row++) {
+
+ if ((pCharset10x14[((c - 0x20) * 20) + col * 2 + 1] >> (7 - row)) & 0x1) {
+
+ LCDD_DrawPixel(pBuffer, x-row-8, y+col, color);
+ }
+ }
+ }
+}
+//------------------------------------------------------------------------------
+/// Draws an ASCII character on the given LCD buffer.
+/// \param pBuffer Buffer to write on.
+/// \param x X-coordinate of character upper-left corner.
+/// \param y Y-coordinate of character upper-left corner.
+/// \param c Character to output.
+/// \param fontColor Character foreground color.
+/// \param bgColor Background color of character
+//------------------------------------------------------------------------------
+void LCDD_DrawCharWithBGColor(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y,
+ char c,
+ unsigned int fontColor,
+ unsigned int bgColor)
+{
+ unsigned int row, col;
+
+ SANITY_CHECK((c >= 0x20) && (c <= 0x7F));
+
+ for (col = 0; col < 10; col++) {
+
+ for (row = 0; row < 8; row++) {
+
+ if ((pCharset10x14[((c - 0x20) * 20) + col * 2] >> (7 - row)) & 0x1) {
+
+ LCDD_DrawPixel(pBuffer, x+col, y+row, fontColor);
+ } else {
+ LCDD_DrawPixel(pBuffer, x+col, y+row, bgColor);
+ }
+ }
+ for (row = 0; row < 6; row++) {
+
+ if ((pCharset10x14[((c - 0x20) * 20) + col * 2 + 1] >> (7 - row)) & 0x1) {
+
+ LCDD_DrawPixel(pBuffer, x+col, y+row+8, fontColor);
+ } else {
+ LCDD_DrawPixel(pBuffer, x+col, y+row+8, bgColor);
+ }
+ }
+ }
+}
+//------------------------------------------------------------------------------
+/// Draws an ASCII character on the given LCD buffer ith 90 degree clockwise rotate.
+/// \param pBuffer Buffer to write on.
+/// \param x X-coordinate of character upper-left corner x decreasing by step.
+/// \param y Y-coordinate of character upper-left corner y increasing by step.
+/// \param c Character to output.
+/// \param fontColor Character foreground color.
+/// \param bgColor Background color of character
+//------------------------------------------------------------------------------
+void LCDD_DrawCharVerticalWithBGColor(
+ void *pBuffer,
+ unsigned int x,
+ unsigned int y,
+ char c,
+ unsigned int fontColor,
+ unsigned int bgColor)
+{
+ unsigned int row, col;
+
+ SANITY_CHECK((c >= 0x20) && (c <= 0x7F));
+
+ for (col = 0; col < 10; col++) {
+
+ for (row = 0; row < 8; row++) {
+
+ if ((pCharset10x14[((c - 0x20) * 20) + col * 2] >> (7 - row)) & 0x1) {
+
+ LCDD_DrawPixel(pBuffer, x-row, y+col, fontColor);
+ } else {
+ LCDD_DrawPixel(pBuffer, x-row, y+col, bgColor);
+ }
+ }
+ for (row = 0; row < 6; row++) {
+
+ if ((pCharset10x14[((c - 0x20) * 20) + col * 2 + 1] >> (7 - row)) & 0x1) {
+
+ LCDD_DrawPixel(pBuffer, x-row-8, y+col, fontColor);
+ } else {
+ LCDD_DrawPixel(pBuffer, x-row-8, y+col, bgColor);
+ }
+ }
+ }
+}
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