56 lines
2.9 KiB
C
56 lines
2.9 KiB
C
// dvx_draw.h — Layer 2: Drawing primitives for DV/X GUI
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#ifndef DVX_DRAW_H
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#define DVX_DRAW_H
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#include "dvxTypes.h"
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// Initialize blit operations based on pixel format
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void drawInit(BlitOpsT *ops, const DisplayT *d);
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// Solid color rectangle fill (clips to display clip rect)
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void rectFill(DisplayT *d, const BlitOpsT *ops, int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color);
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// Copy rectangle from source buffer to backbuffer (clips to display clip rect)
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void rectCopy(DisplayT *d, const BlitOpsT *ops, int32_t dstX, int32_t dstY, const uint8_t *srcBuf, int32_t srcPitch, int32_t srcX, int32_t srcY, int32_t w, int32_t h);
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// Draw a beveled frame
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void drawBevel(DisplayT *d, const BlitOpsT *ops, int32_t x, int32_t y, int32_t w, int32_t h, const BevelStyleT *style);
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// Draw a single character, returns advance width
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int32_t drawChar(DisplayT *d, const BlitOpsT *ops, const BitmapFontT *font, int32_t x, int32_t y, char ch, uint32_t fg, uint32_t bg, bool opaque);
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// Draw a null-terminated string
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void drawText(DisplayT *d, const BlitOpsT *ops, const BitmapFontT *font, int32_t x, int32_t y, const char *text, uint32_t fg, uint32_t bg, bool opaque);
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// Measure text width in pixels
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int32_t textWidth(const BitmapFontT *font, const char *text);
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// Parse accelerator key from text with & markers (e.g. "E&xit" -> 'x')
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// Returns the lowercase accelerator character, or 0 if none found.
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char accelParse(const char *text);
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// Draw text with & accelerator processing (underlines the accelerator character)
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void drawTextAccel(DisplayT *d, const BlitOpsT *ops, const BitmapFontT *font, int32_t x, int32_t y, const char *text, uint32_t fg, uint32_t bg, bool opaque);
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// Measure text width in pixels, skipping & markers
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int32_t textWidthAccel(const BitmapFontT *font, const char *text);
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// Draw a 1-bit bitmap with mask (for cursors, icons)
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// andMask/xorData are arrays of uint16_t, one per row
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void drawMaskedBitmap(DisplayT *d, const BlitOpsT *ops, int32_t x, int32_t y, int32_t w, int32_t h, const uint16_t *andMask, const uint16_t *xorData, uint32_t fgColor, uint32_t bgColor);
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// Draw a row of terminal character cells (ch/attr pairs with a 16-color palette).
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// Renders 'cols' cells starting at (x,y). Much faster than calling drawChar per cell.
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// cursorCol: column index to draw inverted (cursor), or -1 for no cursor.
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void drawTermRow(DisplayT *d, const BlitOpsT *ops, const BitmapFontT *font, int32_t x, int32_t y, int32_t cols, const uint8_t *lineData, const uint32_t *palette, bool blinkVisible, int32_t cursorCol);
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// Dotted focus rectangle (every other pixel)
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void drawFocusRect(DisplayT *d, const BlitOpsT *ops, int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color);
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// Horizontal line
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void drawHLine(DisplayT *d, const BlitOpsT *ops, int32_t x, int32_t y, int32_t w, uint32_t color);
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// Vertical line
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void drawVLine(DisplayT *d, const BlitOpsT *ops, int32_t x, int32_t y, int32_t h, uint32_t color);
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#endif // DVX_DRAW_H
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