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-rw-r--r--frontends/windows/plot.c109
1 files changed, 70 insertions, 39 deletions
diff --git a/frontends/windows/plot.c b/frontends/windows/plot.c
index b733dfd84..1bd0ba4a0 100644
--- a/frontends/windows/plot.c
+++ b/frontends/windows/plot.c
@@ -17,6 +17,11 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+/**
+ * \file
+ * win32 plotter implementation.
+ */
+
#include "utils/config.h"
#include <sys/types.h>
#include <stdint.h>
@@ -48,7 +53,8 @@
HDC plot_hdc;
-static RECT plot_clip; /* currently set clipping rectangle */
+/** currently set clipping rectangle */
+static RECT plot_clip;
/**
@@ -111,6 +117,14 @@ plot_block(COLORREF col, int x, int y, int width, int height)
* plot an alpha blended bitmap
*
* blunt force truma way of achiving alpha blended plotting
+ *
+ * \param hdc drawing cotext
+ * \param bitmap bitmap to render
+ * \param x x coordinate to plot at
+ * \param y y coordinate to plot at
+ * \param width The width to plot the bitmap into
+ * \param height The height to plot the bitmap into
+ * \return NSERROR_OK on success else appropriate error code.
*/
static nserror
plot_alpha_bitmap(HDC hdc,
@@ -145,8 +159,11 @@ plot_alpha_bitmap(HDC hdc,
BITMAPINFO *bmi;
HBITMAP MemBMh;
- PLOT_LOG("%p bitmap %d,%d width %d height %d", bitmap, x, y, width, height);
- PLOT_LOG("clipped %ld,%ld to %ld,%ld",plot_clip.left, plot_clip.top, plot_clip.right, plot_clip.bottom);
+ PLOT_LOG("%p bitmap %d,%d width %d height %d",
+ bitmap, x, y, width, height);
+ PLOT_LOG("clipped %ld,%ld to %ld,%ld",
+ plot_clip.left, plot_clip.top,
+ plot_clip.right, plot_clip.bottom);
Memhdc = CreateCompatibleDC(hdc);
if (Memhdc == NULL) {
@@ -156,7 +173,7 @@ plot_alpha_bitmap(HDC hdc,
if ((bitmap->width != width) ||
(bitmap->height != height)) {
PLOT_LOG("scaling from %d,%d to %d,%d",
- bitmap->width, bitmap->height, width, height);
+ bitmap->width, bitmap->height, width, height);
bitmap = bitmap_scale(bitmap, width, height);
if (bitmap == NULL) {
return NSERROR_INVALID;
@@ -256,6 +273,14 @@ plot_alpha_bitmap(HDC hdc,
/**
+ * Internal bitmap plotting
+ *
+ * \param bitmap The bitmap to plot
+ * \param x x coordinate to plot at
+ * \param y y coordinate to plot at
+ * \param width The width to plot the bitmap into
+ * \param height The height to plot the bitmap into
+ * \return NSERROR_OK on success else appropriate error code.
*/
static nserror
plot_bitmap(struct bitmap *bitmap, int x, int y, int width, int height)
@@ -331,8 +356,6 @@ plot_bitmap(struct bitmap *bitmap, int x, int y, int width, int height)
}
-
-
/**
* \brief Sets a clip rectangle for subsequent plot operations.
*
@@ -377,7 +400,7 @@ arc(const struct redraw_context *ctx,
int radius, int angle1, int angle2)
{
PLOT_LOG("arc centre %d,%d radius %d from %d to %d", x, y, radius,
- angle1, angle2);
+ angle1, angle2);
/* ensure the plot HDC is set */
if (plot_hdc == NULL) {
@@ -564,8 +587,8 @@ disc(const struct redraw_context *ctx,
*/
static nserror
line(const struct redraw_context *ctx,
- const plot_style_t *style,
- const struct rect *line)
+ const plot_style_t *style,
+ const struct rect *line)
{
PLOT_LOG("from %d,%d to %d,%d", x0, y0, x1, y1);
@@ -582,10 +605,10 @@ line(const struct redraw_context *ctx,
COLORREF col = (DWORD)(style->stroke_colour & 0x00FFFFFF);
/* windows 0x00bbggrr */
- DWORD penstyle = PS_GEOMETRIC | ((style->stroke_type ==
- PLOT_OP_TYPE_DOT) ? PS_DOT :
- (style->stroke_type == PLOT_OP_TYPE_DASH) ? PS_DASH:
- 0);
+ DWORD penstyle = PS_GEOMETRIC |
+ ((style->stroke_type == PLOT_OP_TYPE_DOT) ? PS_DOT :
+ (style->stroke_type == PLOT_OP_TYPE_DASH) ? PS_DASH:
+ 0);
LOGBRUSH lb = {BS_SOLID, col, 0};
HPEN pen = ExtCreatePen(penstyle, style->stroke_width, &lb, 0, NULL);
if (pen == NULL) {
@@ -630,8 +653,8 @@ line(const struct redraw_context *ctx,
*/
static nserror
rectangle(const struct redraw_context *ctx,
- const plot_style_t *style,
- const struct rect *rect)
+ const plot_style_t *style,
+ const struct rect *rect)
{
PLOT_LOG("rectangle from %d,%d to %d,%d",
rect->x0, rect->y0, rect->x1, rect->y1);
@@ -713,9 +736,9 @@ rectangle(const struct redraw_context *ctx,
*/
static nserror
polygon(const struct redraw_context *ctx,
- const plot_style_t *style,
- const int *p,
- unsigned int n)
+ const plot_style_t *style,
+ const int *p,
+ unsigned int n)
{
PLOT_LOG("polygon %d points", n);
@@ -802,11 +825,11 @@ polygon(const struct redraw_context *ctx,
*/
static nserror
path(const struct redraw_context *ctx,
- const plot_style_t *pstyle,
- const float *p,
- unsigned int n,
- float width,
- const float transform[6])
+ const plot_style_t *pstyle,
+ const float *p,
+ unsigned int n,
+ float width,
+ const float transform[6])
{
PLOT_LOG("path unimplemented");
return NSERROR_OK;
@@ -839,12 +862,12 @@ path(const struct redraw_context *ctx,
*/
static nserror
bitmap(const struct redraw_context *ctx,
- struct bitmap *bitmap,
- int x, int y,
- int width,
- int height,
- colour bg,
- bitmap_flags_t flags)
+ struct bitmap *bitmap,
+ int x, int y,
+ int width,
+ int height,
+ colour bg,
+ bitmap_flags_t flags)
{
int xf,yf;
bool repeat_x = (flags & BITMAPF_REPEAT_X);
@@ -875,7 +898,11 @@ bitmap(const struct redraw_context *ctx,
if ((*(bitmap->pixdata + 3) & 0xff) == 0) {
return NSERROR_OK;
}
- return plot_block((*(COLORREF *)bitmap->pixdata) & 0xffffff, x, y, x + width, y + height);
+ return plot_block((*(COLORREF *)bitmap->pixdata) & 0xffffff,
+ x,
+ y,
+ x + width,
+ y + height);
} else {
return plot_bitmap(bitmap, x, y, width, height);
@@ -896,7 +923,8 @@ bitmap(const struct redraw_context *ctx,
/* Optimise tiled plots of bitmaps scaled to 1x1 by replacing with
* a flat fill of the area. Can only be done when image is fully
- * opaque. */
+ * opaque.
+ */
if ((width == 1) && (height == 1)) {
if (bitmap->opaque) {
/** TODO: Currently using top left pixel. Maybe centre
@@ -909,8 +937,10 @@ bitmap(const struct redraw_context *ctx,
}
}
- PLOT_LOG("Tiled plotting %d,%d by %d,%d",x,y,width,height);
- PLOT_LOG("clipped %ld,%ld to %ld,%ld",plot_clip.left, plot_clip.top, plot_clip.right, plot_clip.bottom);
+ PLOT_LOG("Tiled plotting %d,%d by %d,%d", x, y, width, height);
+ PLOT_LOG("clipped %ld,%ld to %ld,%ld",
+ plot_clip.left, plot_clip.top,
+ plot_clip.right, plot_clip.bottom);
/* get left most tile position */
if (repeat_x) {
@@ -922,7 +952,8 @@ bitmap(const struct redraw_context *ctx,
for (; y > plot_clip.top; y -= height);
}
- PLOT_LOG("repeat from %d,%d to %ld,%ld", x, y, plot_clip.right, plot_clip.bottom);
+ PLOT_LOG("repeat from %d,%d to %ld,%ld",
+ x, y, plot_clip.right, plot_clip.bottom);
/* tile down and across to extents */
for (xf = x; xf < plot_clip.right; xf += width) {
@@ -952,11 +983,11 @@ bitmap(const struct redraw_context *ctx,
*/
static nserror
text(const struct redraw_context *ctx,
- const struct plot_font_style *fstyle,
- int x,
- int y,
- const char *text,
- size_t length)
+ const struct plot_font_style *fstyle,
+ int x,
+ int y,
+ const char *text,
+ size_t length)
{
PLOT_LOG("words %s at %d,%d", text, x, y);
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-18 00:52:28 +0000