Drop const from fz_colorspace.

It's an opaque immutable structure, that we don't expect to ever want
to change after creation. Therefore the const keyword is not useful,
and is only line noise.

2 files changed, 14 insertions, 14 deletions

diff --git a/source/pdf/pdf-colorspace.c b/source/pdf/pdf-colorspace.c
index b8c2e1cc..321b224b 100644
--- a/source/pdf/pdf-colorspace.c
+++ b/source/pdf/pdf-colorspace.c
@@ -53,7 +53,7 @@ static inline float fung(float x)
 }
 
 static void
-lab_to_rgb(fz_context *ctx, const fz_colorspace *cs, const float *lab, float *rgb)
+lab_to_rgb(fz_context *ctx, fz_colorspace *cs, const float *lab, float *rgb)
 {
 	/* input is in range (0..100, -128..127, -128..127) not (0..1, 0..1, 0..1) */
 	float lstar, astar, bstar, l, m, n, x, y, z, r, g, b;
@@ -75,7 +75,7 @@ lab_to_rgb(fz_context *ctx, const fz_colorspace *cs, const float *lab, float *rg
 }
 
 static void
-rgb_to_lab(fz_context *ctx, const fz_colorspace *cs, const float *rgb, float *lab)
+rgb_to_lab(fz_context *ctx, fz_colorspace *cs, const float *rgb, float *lab)
 {
 	fz_warn(ctx, "cannot convert into L*a*b colorspace");
 	lab[0] = rgb[0];
@@ -95,7 +95,7 @@ struct separation
 };
 
 static void
-separation_to_rgb(fz_context *ctx, const fz_colorspace *cs, const float *color, float *rgb)
+separation_to_rgb(fz_context *ctx, fz_colorspace *cs, const float *color, float *rgb)
 {
 	struct separation *sep = cs->data;
 	float alt[FZ_MAX_COLORS];
@@ -104,7 +104,7 @@ separation_to_rgb(fz_context *ctx, const fz_colorspace *cs, const float *color,
 }
 
 static void
-free_separation(fz_context *ctx, const fz_colorspace *cs)
+free_separation(fz_context *ctx, fz_colorspace *cs)
 {
 	struct separation *sep = cs->data;
 	fz_drop_colorspace(ctx, sep->base);
@@ -165,7 +165,7 @@ load_separation(fz_context *ctx, pdf_document *doc, pdf_obj *array)
 }
 
 int
-pdf_is_tint_colorspace(fz_context *ctx, const fz_colorspace *cs)
+pdf_is_tint_colorspace(fz_context *ctx, fz_colorspace *cs)
 {
 	return cs && cs->to_rgb == separation_to_rgb;
 }
diff --git a/source/pdf/pdf-device.c b/source/pdf/pdf-device.c
index 7371a0d7..bc172af6 100644
--- a/source/pdf/pdf-device.c
+++ b/source/pdf/pdf-device.c
@@ -19,7 +19,7 @@ struct gstate_s
 	void (*on_pop)(fz_context*,pdf_device*,void *);
 	void *on_pop_arg;
 	/* The graphics state proper */
-	const fz_colorspace *colorspace[2];
+	fz_colorspace *colorspace[2];
 	float color[2][4];
 	fz_matrix ctm;
 	fz_stroke_state *stroke_state;
@@ -429,7 +429,7 @@ pdf_dev_ctm(fz_context *ctx, pdf_device *pdev, const fz_matrix *ctm)
 }
 
 static void
-pdf_dev_color(fz_context *ctx, pdf_device *pdev, const fz_colorspace *colorspace, const float *color, int stroke)
+pdf_dev_color(fz_context *ctx, pdf_device *pdev, fz_colorspace *colorspace, const float *color, int stroke)
 {
 	int diff = 0;
 	int i;
@@ -775,7 +775,7 @@ pdf_dev_end_text(fz_context *ctx, pdf_device *pdev)
 }
 
 static int
-pdf_dev_new_form(fz_context *ctx, pdf_obj **form_ref, pdf_device *pdev, const fz_rect *bbox, int isolated, int knockout, float alpha, const fz_colorspace *colorspace)
+pdf_dev_new_form(fz_context *ctx, pdf_obj **form_ref, pdf_device *pdev, const fz_rect *bbox, int isolated, int knockout, float alpha, fz_colorspace *colorspace)
 {
 	pdf_document *doc = pdev->doc;
 	int num;
@@ -872,7 +872,7 @@ pdf_dev_new_form(fz_context *ctx, pdf_obj **form_ref, pdf_device *pdev, const fz
 
 static void
 pdf_dev_fill_path(fz_context *ctx, fz_device *dev, const fz_path *path, int even_odd, const fz_matrix *ctm,
-	const fz_colorspace *colorspace, const float *color, float alpha)
+	fz_colorspace *colorspace, const float *color, float alpha)
 {
 	pdf_device *pdev = (pdf_device*)dev;
 	gstate *gs = CURRENT_GSTATE(pdev);
@@ -887,7 +887,7 @@ pdf_dev_fill_path(fz_context *ctx, fz_device *dev, const fz_path *path, int even
 
 static void
 pdf_dev_stroke_path(fz_context *ctx, fz_device *dev, const fz_path *path, const fz_stroke_state *stroke, const fz_matrix *ctm,
-	const fz_colorspace *colorspace, const float *color, float alpha)
+	fz_colorspace *colorspace, const float *color, float alpha)
 {
 	pdf_device *pdev = (pdf_device*)dev;
 	gstate *gs = CURRENT_GSTATE(pdev);
@@ -935,7 +935,7 @@ pdf_dev_clip_stroke_path(fz_context *ctx, fz_device *dev, const fz_path *path, c
 
 static void
 pdf_dev_fill_text(fz_context *ctx, fz_device *dev, const fz_text *text, const fz_matrix *ctm,
-		const fz_colorspace *colorspace, const float *color, float alpha)
+		fz_colorspace *colorspace, const float *color, float alpha)
 {
 	pdf_device *pdev = (pdf_device*)dev;
 	fz_text_span *span;
@@ -958,7 +958,7 @@ pdf_dev_fill_text(fz_context *ctx, fz_device *dev, const fz_text *text, const fz
 
 static void
 pdf_dev_stroke_text(fz_context *ctx, fz_device *dev, const fz_text *text, const fz_stroke_state *stroke, const fz_matrix *ctm,
-		const fz_colorspace *colorspace, const float *color, float alpha)
+		fz_colorspace *colorspace, const float *color, float alpha)
 {
 	pdf_device *pdev = (pdf_device*)dev;
 	fz_text_span *span;
@@ -1065,7 +1065,7 @@ pdf_dev_fill_shade(fz_context *ctx, fz_device *dev, const fz_shade *shade, const
 
 static void
 pdf_dev_fill_image_mask(fz_context *ctx, fz_device *dev, const fz_image *image, const fz_matrix *ctm,
-		const fz_colorspace *colorspace, const float *color, float alpha)
+		fz_colorspace *colorspace, const float *color, float alpha)
 {
 	pdf_device *pdev = (pdf_device*)dev;
 	gstate *gs = CURRENT_GSTATE(pdev);
@@ -1105,7 +1105,7 @@ pdf_dev_pop_clip(fz_context *ctx, fz_device *dev)
 }
 
 static void
-pdf_dev_begin_mask(fz_context *ctx, fz_device *dev, const fz_rect *bbox, int luminosity, const fz_colorspace *colorspace, const float *color)
+pdf_dev_begin_mask(fz_context *ctx, fz_device *dev, const fz_rect *bbox, int luminosity, fz_colorspace *colorspace, const float *color)
 {
 	pdf_device *pdev = (pdf_device*)dev;
 	pdf_document *doc = pdev->doc;